DSB and SSB AM Transmitter Trainer .
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 300 X 400 mm.
Object:
- Study of carrier frequency generation
- Study of DSB / SSB AM Generation & Transmission
- Study of Transmitter tuned circuits
Specification:
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 :
- Frequency Range : 100 KHz to 1 Mhz
- Amplitude : 0 to 10 Vpp
- 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
Other Apparatus Required:
- Cathode Ray Oscilloscope of 20MHz
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