Electrical Trainers
Two Stage R C Coupled Transistor Amplifier
Model HV-EXP2165
Two stage r-c coupled transistor amplifier Experimental training boardhas been designed specifically for the study of two stage r-c coupled transistor amplifier. Practical experience on these boards carries great educative value for science and engineering students. Object: Study of the characteristics of two stage r-c coupled transistor amplifier : Study of the overload characteristics of the amplifier. Study of the frequency response of the individual as well as the cascade amplifier. Calculate the output and input impedance of the individual stages as well as that of cascade amplifier. Features: The board consists of the following built in parts : 01. -12v d. C. Ic regulated power supply internally connected. 02. Two pnp transistors. 03. Adequate no. Of other electronic components. 04. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loadedplug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places onpanel for connections/ observation of waveforms. Strongly supported by detailed operating instructions, giving details of object,theory, design procedures, report suggestions and book references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210 Other apparatus required: Decade audio frequency generator A. C. Millivoltmeter Decade resistance box.... View Details
Two stage r-c coupled transistor amplifier Experimental training boardhas been designed specifically for the study of two stage r-c coupled transistor amplifier. Practical experience on these boards carries great educative value for science and engineering students. Object: Study of the characteristics of two stage r-c coupled transistor amplifier : Study of the overload characteristics of the amplifier. Study of the frequency response of the individual as well as the cascade amplifier. Calculate the output and input impedance of the individual stages as well as that of cascade amplifier. Features: The board consists of the following built in parts : 01. -12v d. C. Ic regulated power supply internally connected. 02. Two pnp transistors. 03. Adequate no. Of other electronic components. 04. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loadedplug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places onpanel for connections/ observation of waveforms. Strongly supported by detailed operating instructions, giving details of object,theory, design procedures, report suggestions and book references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210 Other apparatus required: Decade audio frequency generator A. C. Millivoltmeter Decade resistance box.... View Details
Diode & Zener Diode Characteristics
Model HV-EXP2166
Diode & Zener Diode Characteristics Experimental Training Boardhas been designed specifically for plotting the forward and reverse bias characteristics of aGermanium semiconductor Diode, and aZener Diode. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for Science and Engineering Students. Object: To study and plot the forward & reverse bias characteristics of aGermanium semiconductor Diode. To study and plot the forward & reverse bias (breakdown) characteristics of aZener Diode. Features: The board consists of the following built-in parts : 01. 0-10V D.C. at 10mA, continuously variable regulated Power Supply with low ripple & hum and integral current limiting resistor. 02. D.C. Voltmeter, 65mm rectangular dial, with switch selectable ranges of 1V and 10V. 03. D.C. Microammeter, 65mm rectangular dial, with switch selectable ranges of 50 mA and 10mA. 04. AGermanium semiconductor Diode mounted behind the panel. 05. AZener Diode mounted behind the panel. 06. Adequate no. of other electronic components. 07. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210. View Details
Diode & Zener Diode Characteristics Experimental Training Boardhas been designed specifically for plotting the forward and reverse bias characteristics of aGermanium semiconductor Diode, and aZener Diode. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for Science and Engineering Students. Object: To study and plot the forward & reverse bias characteristics of aGermanium semiconductor Diode. To study and plot the forward & reverse bias (breakdown) characteristics of aZener Diode. Features: The board consists of the following built-in parts : 01. 0-10V D.C. at 10mA, continuously variable regulated Power Supply with low ripple & hum and integral current limiting resistor. 02. D.C. Voltmeter, 65mm rectangular dial, with switch selectable ranges of 1V and 10V. 03. D.C. Microammeter, 65mm rectangular dial, with switch selectable ranges of 50 mA and 10mA. 04. AGermanium semiconductor Diode mounted behind the panel. 05. AZener Diode mounted behind the panel. 06. Adequate no. of other electronic components. 07. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210. View Details
Transistor Characteristics
Model HV-EXP2167
Transistor characteristics Experimental training board has been designed specifically to study the transistor input and output characteristics in different modes i. E. Common base, common emitter and common collector. This training board is an improved version with germanium npn & pnp transistors in addition to silicon npn & pnp transistors and four meters. The board is absolutely self contained and requires no other apparatus. practical experience on this board carries great educative value for science and engineering students. Object: To study and plot the transistor input and output characteristics in the following configurations : 01. Common emitter mode. 02. Common base mode. 03. Common collector mode. Features: The board consists of the following built-in parts : 01. Two 0-10v d. C. At 200ma, continuously variable power supplies for base emitter & collector emitter junctions. 02. Two d. C. Ammeters, 65mm rectangular dial with switch selectable ranges of 200 ma &10ma. 03. Two d. C. Voltmeters, 65mm rectangular dial with switch selectable ranges of 1v and 10v. 04. Two silicon (npn & pnp) transistors and two germanium (npn & pnp) transistors. 05. Adequate no. Of other electronic components 06. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :5kg. (approx. ) Dimension :w412 xh150 xd310. View Details
Transistor characteristics Experimental training board has been designed specifically to study the transistor input and output characteristics in different modes i. E. Common base, common emitter and common collector. This training board is an improved version with germanium npn & pnp transistors in addition to silicon npn & pnp transistors and four meters. The board is absolutely self contained and requires no other apparatus. practical experience on this board carries great educative value for science and engineering students. Object: To study and plot the transistor input and output characteristics in the following configurations : 01. Common emitter mode. 02. Common base mode. 03. Common collector mode. Features: The board consists of the following built-in parts : 01. Two 0-10v d. C. At 200ma, continuously variable power supplies for base emitter & collector emitter junctions. 02. Two d. C. Ammeters, 65mm rectangular dial with switch selectable ranges of 200 ma &10ma. 03. Two d. C. Voltmeters, 65mm rectangular dial with switch selectable ranges of 1v and 10v. 04. Two silicon (npn & pnp) transistors and two germanium (npn & pnp) transistors. 05. Adequate no. Of other electronic components 06. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :5kg. (approx. ) Dimension :w412 xh150 xd310. View Details
F.E.T. Characteristics Educational Trainer
Model HV-EXP2168
Experimental training board has been designed specifically to study the characteristics of afield effect transistor. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for science and engineering students. Object: To study the characteristics of field effect transistor : 01. Measurement of idss. 02. Plot the static drain characteristics of fet (a) Drain current v/s drain voltage characteristics for different fixed values of vgs. (b) Drain current v/s gate bias characteristics for different fixed values of vds. 03. Calculate the fet parameters (drain dynamic resistance r,mutual conductance g,and amplification factor m) at agiven operating dmpoint. Features: The board consists of the following built-in parts: 01. 0to 20v d. C. At 50ma, continuously variable power supply. 02. 0to 12v d. C. At 50ma, continuously variable power supply. 03. Two d. C. Voltmeters, 65mm rectangular dial to read 0-20v. 04. D. C. Milliammeter, 65mm rectangular dial to read 0-20ma. 05. Field effect transistor. 06. Adequate no. Of other electronic components. 07. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz A. C. mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and bookn references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210. View Details
Experimental training board has been designed specifically to study the characteristics of afield effect transistor. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for science and engineering students. Object: To study the characteristics of field effect transistor : 01. Measurement of idss. 02. Plot the static drain characteristics of fet (a) Drain current v/s drain voltage characteristics for different fixed values of vgs. (b) Drain current v/s gate bias characteristics for different fixed values of vds. 03. Calculate the fet parameters (drain dynamic resistance r,mutual conductance g,and amplification factor m) at agiven operating dmpoint. Features: The board consists of the following built-in parts: 01. 0to 20v d. C. At 50ma, continuously variable power supply. 02. 0to 12v d. C. At 50ma, continuously variable power supply. 03. Two d. C. Voltmeters, 65mm rectangular dial to read 0-20v. 04. D. C. Milliammeter, 65mm rectangular dial to read 0-20ma. 05. Field effect transistor. 06. Adequate no. Of other electronic components. 07. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz A. C. mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and bookn references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210. View Details
Silicon Controlled Rectifier Characteristics
Model HV-EXP2169
Experimental training board has been designed specifically to study the silicon controlled rectifier phase firing and D.C.control characteristics. It is atraining aid for advance studies in control circuits. Practical experience on this board carries great educative value for science and engineering students. Object: 01. To study the D.C. gate control characteristics (firing characteristics) of aSCR. 02. To study and plot the anode current characteristics of aSCR. 03. To measure the holding current of aSCR. 04. To study the plot the phase firing characteristics of aSCR. Features: The Board consists of the following built-in parts: 01. 0to 50V D.C. at 50mA, continuously variable Power Supply for Anode. 02. 0to 3V D.C. at 50mA, continuously variable Power Supply for Gate. 03. 0-10V A.C. at 50Hz, variable Power Supply for Anode. 04. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 1V and 50V. 05. D.C. Milliammeter, 65mm rectangular dial to read 0-50mA. 06. Silicon Controlled Rectifier . 07. Fixed limiting resistances . 08. Adequate no. of other electronic components. 09. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Vacuum tube voltmeter Cathode ray oscilloscope 20MHz.... View Details
Experimental training board has been designed specifically to study the silicon controlled rectifier phase firing and D.C.control characteristics. It is atraining aid for advance studies in control circuits. Practical experience on this board carries great educative value for science and engineering students. Object: 01. To study the D.C. gate control characteristics (firing characteristics) of aSCR. 02. To study and plot the anode current characteristics of aSCR. 03. To measure the holding current of aSCR. 04. To study the plot the phase firing characteristics of aSCR. Features: The Board consists of the following built-in parts: 01. 0to 50V D.C. at 50mA, continuously variable Power Supply for Anode. 02. 0to 3V D.C. at 50mA, continuously variable Power Supply for Gate. 03. 0-10V A.C. at 50Hz, variable Power Supply for Anode. 04. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 1V and 50V. 05. D.C. Milliammeter, 65mm rectangular dial to read 0-50mA. 06. Silicon Controlled Rectifier . 07. Fixed limiting resistances . 08. Adequate no. of other electronic components. 09. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug, length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Vacuum tube voltmeter Cathode ray oscilloscope 20MHz.... View Details
Determination Of Energy Band Gap In Semiconductor Diode
Model HV-EXP2170
Experimental Training Boardhas been designed specifically for determination of energy band gap in semiconductor (P-N Junction Diode) using temperature dependent of reverse saturation current. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for science and engineering students. Object: To draw the characteristics of aP-N junction diode for reverse saturation current and temperature. To determine the energy band gap in aP-N junction diode. Features: The board consists of the following built-in parts : 01. 2V D.C. at 10mA, regulated power supply. 02. Digital microammeter, 3½ digits having range 200mA D.C. 03. Semiconductor diode. 04. Thermometer 0-110 °C. 05. Oven, electrically heated to heat the semiconductor diode. 06. Mains ON/OFF switch and fuse. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210.. View Details
Experimental Training Boardhas been designed specifically for determination of energy band gap in semiconductor (P-N Junction Diode) using temperature dependent of reverse saturation current. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for science and engineering students. Object: To draw the characteristics of aP-N junction diode for reverse saturation current and temperature. To determine the energy band gap in aP-N junction diode. Features: The board consists of the following built-in parts : 01. 2V D.C. at 10mA, regulated power supply. 02. Digital microammeter, 3½ digits having range 200mA D.C. 03. Semiconductor diode. 04. Thermometer 0-110 °C. 05. Oven, electrically heated to heat the semiconductor diode. 06. Mains ON/OFF switch and fuse. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210.. View Details
Verification Of Laws & Network Theorems In DC Circuits Ex
Model HV-EXP2171
Experimental training boardhas been designed specifically for the study & verification of the laws and network theorems in d. C. Circuits. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for science and engineering students. Object: 01. Verification of ohm’s law 02. To draw the v-i characteristics for studying the d. C. Behavior of the following : Ideal resistance Semiconductor diode Zener diode Thermistor (ntc type) 03. To verify kirchoff’s current law and voltage law 04. Verification of the series & parallel laws for resistances 05. Verification of superposition theorem 06. Study of potential divider. 07. Verification of maximum power transfer theorem 08. To verify thevenin’s theorem and to find equivalent voltage source circuit 09. To verify norton’s theorem and to find equivalent current source circuit 10. To study the design of amultimeter Features: The board consists of following built-in parts: 01. 0-30v d. C. At 100 ma, continuously variable ic regulated power supply 02. +9v d. C. At 100 ma, ic regulated power supply 03. +5v d. C. At 100 ma ,ic regulated power supply 04. D. C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 0. 5, 1. 5, 25 & 50v 05. D. C. Ammeter, 65mm rectangular dial with switch selectable ranges of 0. 05, 0. 5, 5, 50 & 100ma 06. Adequate no. Of other electronic components The unit is operative on 230v ±10% at 50hz a. C. Mains Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references Weight :3kg. (approx. ) Dimension :w412 xh150 xd310.... View Details
Experimental training boardhas been designed specifically for the study & verification of the laws and network theorems in d. C. Circuits. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for science and engineering students. Object: 01. Verification of ohm’s law 02. To draw the v-i characteristics for studying the d. C. Behavior of the following : Ideal resistance Semiconductor diode Zener diode Thermistor (ntc type) 03. To verify kirchoff’s current law and voltage law 04. Verification of the series & parallel laws for resistances 05. Verification of superposition theorem 06. Study of potential divider. 07. Verification of maximum power transfer theorem 08. To verify thevenin’s theorem and to find equivalent voltage source circuit 09. To verify norton’s theorem and to find equivalent current source circuit 10. To study the design of amultimeter Features: The board consists of following built-in parts: 01. 0-30v d. C. At 100 ma, continuously variable ic regulated power supply 02. +9v d. C. At 100 ma, ic regulated power supply 03. +5v d. C. At 100 ma ,ic regulated power supply 04. D. C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 0. 5, 1. 5, 25 & 50v 05. D. C. Ammeter, 65mm rectangular dial with switch selectable ranges of 0. 05, 0. 5, 5, 50 & 100ma 06. Adequate no. Of other electronic components The unit is operative on 230v ±10% at 50hz a. C. Mains Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references Weight :3kg. (approx. ) Dimension :w412 xh150 xd310.... View Details
Triac Characteristics
Model HV-EXP2172
Experimental Training Board has been designed specifically to study the characteristics of TRIAC-a Bidirectional Triode Thyristor.Practical experience on this board carries great educative value for Science and Engineering Students. Object: 1.To study the gate characteristics of aTRIAC in the following modes : (a) Mode I+ :i.e. T2 positive with respect to T1 and gate positive with respect to T1 (b) Mode I- :i.e. T2 positive with respect to T1 and gate negative with respect to T1 (c) Mode III+ :i.e.T2 negative with respect to T1 and gate positive with respect to T1 (d) Mode III- :i.e. T2 negative with respect to T1 and gate negative with respect to T1 2.To study the terminal characteristics of aTRIAC in the following modes : (a) Mode I+ :i.e. T2 positive with respect to T1 and gate positive with respect to T1 (b) Mode III+ :i.e. T2 negative with respect to T1 and gate positive with respect to T1 3.To study the following applications of TRIAC: (a) Triac as astatic switch (D.C. control). (b) Control of A.C. with A.C. signal. (c) To measure the holding current of IH. Triac. FEATURES The board consists of following built-in parts: 01. 0-70V D.C. at 100mA, regulated Power Supply. 02. 0-3V D.C. at 30 mA, regulated Power Supply. 03. 55 Volt at 100mA, fixed A.C. Supply. 04. 7Volt at 30mA, fixed A.C. Supply. 05. D.C Ammeter, 65mm rectangular dial with switch selectable ranges of 10mA and 100mA. 06. D.C Ammeter, 65mm rectangular dial to read of 0-30mA. 07. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 5V and 100V. 08. TRIAC. 09. Three Potentiometers. 10. Reset switch. 11. Adequate no. of other electronic components. 12. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required Cathode Ray Oscilloscope 20MHz.... View Details
Experimental Training Board has been designed specifically to study the characteristics of TRIAC-a Bidirectional Triode Thyristor.Practical experience on this board carries great educative value for Science and Engineering Students. Object: 1.To study the gate characteristics of aTRIAC in the following modes : (a) Mode I+ :i.e. T2 positive with respect to T1 and gate positive with respect to T1 (b) Mode I- :i.e. T2 positive with respect to T1 and gate negative with respect to T1 (c) Mode III+ :i.e.T2 negative with respect to T1 and gate positive with respect to T1 (d) Mode III- :i.e. T2 negative with respect to T1 and gate negative with respect to T1 2.To study the terminal characteristics of aTRIAC in the following modes : (a) Mode I+ :i.e. T2 positive with respect to T1 and gate positive with respect to T1 (b) Mode III+ :i.e. T2 negative with respect to T1 and gate positive with respect to T1 3.To study the following applications of TRIAC: (a) Triac as astatic switch (D.C. control). (b) Control of A.C. with A.C. signal. (c) To measure the holding current of IH. Triac. FEATURES The board consists of following built-in parts: 01. 0-70V D.C. at 100mA, regulated Power Supply. 02. 0-3V D.C. at 30 mA, regulated Power Supply. 03. 55 Volt at 100mA, fixed A.C. Supply. 04. 7Volt at 30mA, fixed A.C. Supply. 05. D.C Ammeter, 65mm rectangular dial with switch selectable ranges of 10mA and 100mA. 06. D.C Ammeter, 65mm rectangular dial to read of 0-30mA. 07. D.C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 5V and 100V. 08. TRIAC. 09. Three Potentiometers. 10. Reset switch. 11. Adequate no. of other electronic components. 12. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required Cathode Ray Oscilloscope 20MHz.... View Details
Diac CharacteristicsDiac Characteristic
Model HV-EXP2173
Experimental Training Boardhas been designed specifically to study the characteristics and applications of aDIAC. DIAC is extensively used now adays in power control circuits. Practical experience on this board carries great educative value for Science and Engineering Students. Object: 01. To plot V-I Characteristics of aDIAC and study the following : 1.1 Breakover voltage, VBO. 1.2 Negative resistance region. 1.3 VBO symmetry and delta V 02. To study the applications of aDIAC as : 2.1 Saw tooth waveform generator. 2.2 Pulse train generator. Features: The board consists of following built-in parts: 01. 0-50V D.C. at 50mA, regulated Power Supply. 02. 45V A.C. at 50mA, unregulated Power Supply. 03. D.C. Voltmeter, 65mm rectangular dial to read 0-50V D.C. 04. D.C. Ammeter, 65mm rectangular dial with switch selectable ranges of 200mA and 50mA. 05. DIAC. 06. Potentiometer and adequate no. of other electronic components. 07. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Cathode Ray Oscilloscope 20MHz. View Details
Experimental Training Boardhas been designed specifically to study the characteristics and applications of aDIAC. DIAC is extensively used now adays in power control circuits. Practical experience on this board carries great educative value for Science and Engineering Students. Object: 01. To plot V-I Characteristics of aDIAC and study the following : 1.1 Breakover voltage, VBO. 1.2 Negative resistance region. 1.3 VBO symmetry and delta V 02. To study the applications of aDIAC as : 2.1 Saw tooth waveform generator. 2.2 Pulse train generator. Features: The board consists of following built-in parts: 01. 0-50V D.C. at 50mA, regulated Power Supply. 02. 45V A.C. at 50mA, unregulated Power Supply. 03. D.C. Voltmeter, 65mm rectangular dial to read 0-50V D.C. 04. D.C. Ammeter, 65mm rectangular dial with switch selectable ranges of 200mA and 50mA. 05. DIAC. 06. Potentiometer and adequate no. of other electronic components. 07. Mains ON/OFF switch, Fuse and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Cathode Ray Oscilloscope 20MHz. View Details
DE-Sauty Bridge
Model HV-EXP2174
Experimental training boardhas been designed specifically to study de-sauty bridge and to compare the capacitance of two capacitors. Practical experience on this board carries great educative value for science and engineering students. Object: To study the working of ade-sauty bridge and to compare the capacitance of two capacitors. Features: The board consists of following built-in parts: 01. Two decade resistances, each with single dial in steps of 100w total 1kw, to from the two arms of the bridge. 02. Two decade capacitors, each with single dial in steps of 0. 1mf total 1mf, to form the other two arms of the bridge. 03. Ahigh impedance head phone, for detecting the null position. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210 Other apparatus required: Bridge oscillator. View Details
Experimental training boardhas been designed specifically to study de-sauty bridge and to compare the capacitance of two capacitors. Practical experience on this board carries great educative value for science and engineering students. Object: To study the working of ade-sauty bridge and to compare the capacitance of two capacitors. Features: The board consists of following built-in parts: 01. Two decade resistances, each with single dial in steps of 100w total 1kw, to from the two arms of the bridge. 02. Two decade capacitors, each with single dial in steps of 0. 1mf total 1mf, to form the other two arms of the bridge. 03. Ahigh impedance head phone, for detecting the null position. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210 Other apparatus required: Bridge oscillator. View Details
Semiconductor Diode Characteristics
Model HV-EXP2175
Experimental training boardhas been designed specifically for plotting Characteristics of Ge & Si Semiconductor Diodes. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for Science and Engineering Students. Object: To Study and Plot the Forward and Reverse Bias characteristics of (Ge & Si) Semiconductor Diodes. To Determine the Static and Dynamic resistances of Forward Biased p-n junction of the given Diodes. Features: The board consists of following built-in parts: 0-10V D.C. at 50mA, continuously variable with Coarse & Fine Pots, regulated Power Supply. D.C. Voltmeter, 65mm rectangular dial, with switch selectable ranges of 1V and 10V. D.C. Microammeter, 65mm rectangular dial, with switch selectable ranges of 50 mA and 10mA. 04. Ge and Si Semiconductor Diodes. 05. Adequate no. Of other electronic components. 06. Mains ON/OFF switch and Fuse. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210. View Details
Experimental training boardhas been designed specifically for plotting Characteristics of Ge & Si Semiconductor Diodes. The board is absolutely self contained and requires no other apparatus. Practical experience on this board carries great educative value for Science and Engineering Students. Object: To Study and Plot the Forward and Reverse Bias characteristics of (Ge & Si) Semiconductor Diodes. To Determine the Static and Dynamic resistances of Forward Biased p-n junction of the given Diodes. Features: The board consists of following built-in parts: 0-10V D.C. at 50mA, continuously variable with Coarse & Fine Pots, regulated Power Supply. D.C. Voltmeter, 65mm rectangular dial, with switch selectable ranges of 1V and 10V. D.C. Microammeter, 65mm rectangular dial, with switch selectable ranges of 50 mA and 10mA. 04. Ge and Si Semiconductor Diodes. 05. Adequate no. Of other electronic components. 06. Mains ON/OFF switch and Fuse. The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable 4mm spring loaded plug length ½ metre. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections /observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210. View Details
Study Of Unijunction Transistor (U. J. T.)
Model HV-EXP2176
Experimental training board has been designed specifically to study different properties of Unijunction Transistor. Practical experience on this board carries great educative value for Science and Engineering Students. Object: 01. To plot V-I characteristics of agiven U.J.T. (Unijunction Transistor). 02. To use the given U.J.T. as aRelaxation Oscillator. Features: The board consists of the following built-in parts 01. Two 0-30V DC at 50mA, continuously variable regulated Power Supplies 02. D.C. Voltmeter, 65mm rectangular dial to read 0-30V. 03. D.C. Ammeter, 65mm rectangular dial to read 0-5mA. 04. Unijunction Transistor. 05. Adequate no. of other electronic components 06. Mains ON/OFF switch, Fuse and Jewel light The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Cathode Ray Oscilloscope 20MHz.... View Details
Experimental training board has been designed specifically to study different properties of Unijunction Transistor. Practical experience on this board carries great educative value for Science and Engineering Students. Object: 01. To plot V-I characteristics of agiven U.J.T. (Unijunction Transistor). 02. To use the given U.J.T. as aRelaxation Oscillator. Features: The board consists of the following built-in parts 01. Two 0-30V DC at 50mA, continuously variable regulated Power Supplies 02. D.C. Voltmeter, 65mm rectangular dial to read 0-30V. 03. D.C. Ammeter, 65mm rectangular dial to read 0-5mA. 04. Unijunction Transistor. 05. Adequate no. of other electronic components 06. Mains ON/OFF switch, Fuse and Jewel light The unit is operative on 230V ±10% at 50Hz A.C. Mains. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Cathode Ray Oscilloscope 20MHz.... View Details
Active Filters
Model HV-EXP2177
Experimental training board has been designed specifically to study characteristics of various types of active filters. This Training Board includes low pass, high pass, band pass and notch filters. The filter circuits are designed using second order Butter worth polynomials and provide unity gain in the pass band. Practical experience on this board carries great educative value for science and engineering Students. Object: To study characteristics of various active filters. Specifications: 1. LOW PASS FILTER (a) Upper Cut-off frequency :1KHz (b) Cut-off slope :29.5 dB/decade (c) Input impedance :3.5 Kat 1KHz (d) Output impedance :18 Ohms at 1KHz 2. HIGH PASS FILTER (a) Lower cut-off frequency :100 Hz (b) Cut-off slope :26 dB/decade (c) Input impedance :12 Kat 100 Hz (d) Output impedance :30 Ohms at 100 Hz 3. BAND PASS FILTER (a) Upper cut-off frequency :1Khz (B) Lower cut-off frequency :100 Hz (c) Upper cut-off slope :29.5 dB/decade (d) Lower cut-off frequency :26 dB/decade (e) Input impedances :24 Kat 100 Hz ,3.5 Kat 1KHz (F) Output impedances :30 Ohms at 100 Hz, 27 Ohms at 1Khz 4. NOTCH FILTER (A) Notch frequency :1KHz (B) Input impedance :15 Kat 1KHz (c) Output impedance :25 ohms at 1KHz (d) Notch width :100 Hz Features The board consists of the following built-in parts : 01. ±12V DC at 50mA, IC regulated Power Supply internally connected. 02. Four Operational Amplifier ICs. 03. Adequate no. of other electronic components. 04. Mains ON/OFF switch and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Decade Audio Frequency Generator A.C. Millivoltmeter.... View Details
Experimental training board has been designed specifically to study characteristics of various types of active filters. This Training Board includes low pass, high pass, band pass and notch filters. The filter circuits are designed using second order Butter worth polynomials and provide unity gain in the pass band. Practical experience on this board carries great educative value for science and engineering Students. Object: To study characteristics of various active filters. Specifications: 1. LOW PASS FILTER (a) Upper Cut-off frequency :1KHz (b) Cut-off slope :29.5 dB/decade (c) Input impedance :3.5 Kat 1KHz (d) Output impedance :18 Ohms at 1KHz 2. HIGH PASS FILTER (a) Lower cut-off frequency :100 Hz (b) Cut-off slope :26 dB/decade (c) Input impedance :12 Kat 100 Hz (d) Output impedance :30 Ohms at 100 Hz 3. BAND PASS FILTER (a) Upper cut-off frequency :1Khz (B) Lower cut-off frequency :100 Hz (c) Upper cut-off slope :29.5 dB/decade (d) Lower cut-off frequency :26 dB/decade (e) Input impedances :24 Kat 100 Hz ,3.5 Kat 1KHz (F) Output impedances :30 Ohms at 100 Hz, 27 Ohms at 1Khz 4. NOTCH FILTER (A) Notch frequency :1KHz (B) Input impedance :15 Kat 1KHz (c) Output impedance :25 ohms at 1KHz (d) Notch width :100 Hz Features The board consists of the following built-in parts : 01. ±12V DC at 50mA, IC regulated Power Supply internally connected. 02. Four Operational Amplifier ICs. 03. Adequate no. of other electronic components. 04. Mains ON/OFF switch and Jewel light. The unit is operative on 230V ±10% at 50Hz A.C. Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References. Weight :3Kg. (Approx.) Dimension :W340 xH110 xD210 Other Apparatus Required: Decade Audio Frequency Generator A.C. Millivoltmeter.... View Details
MOS-FET Characteristics Educational Trainer
Model HV-EXP2178
Experimental training board has been specifically designed to study the characteristics of mosfet (Metal oxide semiconductor field effect transistor) and its use as an amplifier. Practical experience on this board carries great educative value for science and engineering students. Object: 01. To determine experimentally the drain characteristics of agiven mosfet. 02. To study the use of mosfet as an amplifier and to measure its voltage gain in common source configuration. Features: The board consists of following built-in parts: 01. 0-15v d. C. At 50ma, continuously variable regulated power supply. 02. 0-4v d. C. At 10ma, continuously variable regulated power supply. 03. 0-1v d. C. At 10ma, continuously variable regulated power supply. 04. D. C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 1v and 15v. 05. D. C. Milliammeter, 65mm rectangular dial to read 0-30ma. 06. Metal oxide semiconductor field effect transistor (mosfet). 07. Adequate no. Of other electronic components. 08. Mains on/off switch, fuse and jewel light. * The unit is operative on 230v ±10% at 50hz a. C. Mains. * Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. * Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. * Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. * Weight :3kg. (approx. ) * Dimension :w340 xh110 xd210 Other apparatus required: * Audio frequency generator * A. C. Millivoltmeter * Cathode ray oscilloscope 20mhz. View Details
Experimental training board has been specifically designed to study the characteristics of mosfet (Metal oxide semiconductor field effect transistor) and its use as an amplifier. Practical experience on this board carries great educative value for science and engineering students. Object: 01. To determine experimentally the drain characteristics of agiven mosfet. 02. To study the use of mosfet as an amplifier and to measure its voltage gain in common source configuration. Features: The board consists of following built-in parts: 01. 0-15v d. C. At 50ma, continuously variable regulated power supply. 02. 0-4v d. C. At 10ma, continuously variable regulated power supply. 03. 0-1v d. C. At 10ma, continuously variable regulated power supply. 04. D. C. Voltmeter, 65mm rectangular dial with switch selectable ranges of 1v and 15v. 05. D. C. Milliammeter, 65mm rectangular dial to read 0-30ma. 06. Metal oxide semiconductor field effect transistor (mosfet). 07. Adequate no. Of other electronic components. 08. Mains on/off switch, fuse and jewel light. * The unit is operative on 230v ±10% at 50hz a. C. Mains. * Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. * Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. * Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. * Weight :3kg. (approx. ) * Dimension :w340 xh110 xd210 Other apparatus required: * Audio frequency generator * A. C. Millivoltmeter * Cathode ray oscilloscope 20mhz. View Details
Junction Diode Rectifier & Filter Characteristics
Model HV-EXP2179
Experimental training board has been designed specifically for the study of the junction diode rectifier and filter characteristics. Practical experience on this board carries great educative value for science and engineering students. Object: Study of junction diode rectifier & filter characteristics. 01. Study of junction diode rectifier output and ripple content for different resistive loads for : (a) Half wave. (b) Full wave (centre tap). (c) Full wave (bridge). (d) Voltage doubler circuit. 02. Study of filter and load regulation characteristics for half wave and full wave rectifier having different resistive loads and filters of the type (a) Capacitor filter. (b) Capacitor filter with capacitor value doubled. (c) Inductor filter. (d) Capacitor input lsection filter. (e) Capacitor input psection filter. Features: The board consists of the following built-in parts : 01. Mains transformer, secondary centre tap 100-0-100v at 100 ma. 02. Dc milliammeter, 65mm rectangular dial to read 0-100 ma. 03. Dc voltmeter, 65mm rectangular dial to read 0-300 v. 04. Four silicon junction diodes. 05. Filter choke. 06. Adequate no. Of other electronic components. 07. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210 Other apparatus required: A. C. Millivoltmeter. View Details
Experimental training board has been designed specifically for the study of the junction diode rectifier and filter characteristics. Practical experience on this board carries great educative value for science and engineering students. Object: Study of junction diode rectifier & filter characteristics. 01. Study of junction diode rectifier output and ripple content for different resistive loads for : (a) Half wave. (b) Full wave (centre tap). (c) Full wave (bridge). (d) Voltage doubler circuit. 02. Study of filter and load regulation characteristics for half wave and full wave rectifier having different resistive loads and filters of the type (a) Capacitor filter. (b) Capacitor filter with capacitor value doubled. (c) Inductor filter. (d) Capacitor input lsection filter. (e) Capacitor input psection filter. Features: The board consists of the following built-in parts : 01. Mains transformer, secondary centre tap 100-0-100v at 100 ma. 02. Dc milliammeter, 65mm rectangular dial to read 0-100 ma. 03. Dc voltmeter, 65mm rectangular dial to read 0-300 v. 04. Four silicon junction diodes. 05. Filter choke. 06. Adequate no. Of other electronic components. 07. Mains on/off switch, fuse and jewel light. The unit is operative on 230v ±10% at 50hz a. C. Mains. Adequate no. Of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre. Good quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. Strongly supported by detailed operating instructions, giving details of object, theory, design procedures, report suggestions and book references. Weight :3kg. (approx. ) Dimension :w340 xh110 xd210 Other apparatus required: A. C. Millivoltmeter. View Details