DSB SSB-SC Amplitude Modulation & Demodulation Trainer
Model No. HV-EXP2219
DSB/SSB-SC amplitude modulation & demodulation trainerhas been designed with aview to provide practical and experimental knowledge of amplitude modulation / demodulation technique as practically implemented in analog communication system on aSINGLE P.C.B. of size 300x400mm. Object:To study of 01. amplitude modulation & demodulation. 1.1 Generate AM signal by modulation with audio signal generator 1.2 Measure modulation index of A.M. signal 1.3 Demodulate AM signal using diode detector(envelope detector) 1.4 Generate voice signal AM modulation and demodulation using Mic. 1.5 Observe the effect of DC signal input on AM output 1.6 Demodulate AM signal by square law detection 02. DSB-SC Amplitude Modulation & Demodulation. 2.1 Generate DSB-SC AM signal 2.2 Demodulate DSB-SC signal using product detector 03. SSB-SC Amplitude Modulation & Demodulation 3.1 Generate SSB-SC AM signal 3.2 Demodulate SSB-SC signal using product detector Feature:The board consists of the following built-in parts: IC REGULATED POWER SUPPLY :± 15 DC and +5V DC at 100mA. AF Modulation signal generator :Sine wave Frequency Range :300 Hz to 3.4 KHz Amplitude :0to 5Vpp. 03. RF carrier signal oscillator. Frequency Range :100 KHz to 1MHz. Amplitude :0to 10 Vpp. Local Oscillator :400 KHz to 500 KHz. Band Pass Filter :452 KHz to 458 KHz. DC Source Variable power supply to see the effect of DC on the output waveform :-5to +5VDC Output Audio amplifier with Volume Control. Input Audio amplifier for modulating external signal from Mike or Tape recorder. Duble Balanced Amplitude modulator Diode detector. Product detector Low pass filter. Power supply requirement 230V AC, 50 Hz. Mains ON/OFF switch, fuse and jewel light. Dynamic Microphone with 4mm Jack Pin. Loud Speaker with baffle fitted in abox with two metre wire and 2mm Banana pins for connections. 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 andBook References. Weight :6Kg. (Approx.) Dimension :W412 xH150 xD310 Other Apparatus Required: Cathode Ray Oscilloscope 20MHz.....
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