Description

This trainer has been designed with a view to provide practical and experimental Knowledge of Frequency Modulation / Demodulation technique on a SINGLE PCB.

1. Power supply requirement : 230V AC, 50 Hz.

2. Built in IC based power supply.

3. On Board AF Modulating signal generator – Sine wave

Frequency Range : 300Hz to 3.4 KHz

Amplitude : 0 to 5 Vpp.

4. On Board RF carrier signal generator (VCO) – Two No.

Frequency Range : 50 KHz to 150 KHz.

5. On Board variable DC power supply to see the effect of DC on the output waveform

6. On Board Input Audio amplifier with Volume control for modulating external signal from Mike or Tape Recorder.

7. On Board Output Audio amplifier with speaker & Volume Control.

8. Modulator Type : VCO (Voltage controlled oscillator) type. – 2 Nos

9. Demodulator Type : Ratio detector.

Foster-Seeley detector.

Phase lock loop (PLL) detector.

10. All parts are soldered on single pin TAGS on single PCB of size 14″ x 11″ with complete circuit diagram Screen-printed in multi colour.

11. Standard Accessories : 1. A Training Manual

2. Connecting Patch cords