DSB SSB AM Transmitter Trainer For Electrical Lab Training

This trainer has been designed with a view to provide practical and experimental knowledge of DSB / SSB AM transmitter technique as practically implemented in analog communication system on a signal P.C.B. of size 300x400mm. Object: Study of carrier frequency generation. Study of DSB / SSB AM Generation & Transmission. Study of Transmitter tuned circuits. Feature:The board consists of the following built-in parts: AF Modulating signal generator : Sine wave Frequency Range : 300 Hz to 3.4 KHz Amplitude : 0 to 5 Vpp. RF carrier signal oscillator Amplitude : 0 to 10 Vpp. Frequency Range : 100 KHz to 1 Mhz. Modulators (Two Nos) : Double Balanced Amplitude modulator Ceramic Band Pass Filter : 452 KHz to 458 KHz. Band Pass Filter : 1 No. Switch faults : 8 Nos. POWER SUPPLY : ± 12DC and +5V DC IC Regulated power supply. Test points : 27 Nos. BFO Oscillator : 455 KHz. Input Audio amplifier with Volume Control for modulating external signal from Mike or Tape recorder. Output Amplifier Transmitter : ( Gain adjustable) DSB (1MHz), SSB (1.445 MHz) connected to Antenna/cable. Mains ON/OFF switch, fuse and jewel light. Power supply requirement 230V AC, 50 Hz. Dynamic Microphone with 4mm Jack Pin. 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 : 6 Kg. (Approx.) Dimension : W 412 x H 150 x D 310 Other Apparatus Required:  Cathode Ray Oscilloscope of 20MHz.