COMMON FEATURES :
- Completely self contained stand – alone unit
- Supply required 230V, 50Hz AC.
- Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply ?ON?.
- Test points are provided at various stages in the circuit to observe the waveforms and voltages.
- Builtin Generators – A. 0?10 KHz ( 4 ranges ) / 0?10V pp Sine wave
B. 0?100KHz ( 5 ranges ) / 0?10V pp Sine / Square - Housed in an elegant cabinet with a well spread I Intelligently designed circuit layout on the front panel.
- Strongly supported by a comprehensive instruction manual completely with theory and operation details
TECHNICAL SPECIFICATION
AMPLITUDE MOD / DEMOD
- Demonstrates the principle of Amplitude Modulation and Demodulation
- Built – in carrier signal generator with Amplitude adjust, frequency adjusts
- Facility for connecting external modulating signal
- Observation of Amplitude Modulated signal at the output on CRO.
- Demodulation achieved using diode detector.
- Observation of demodulated waveform
- Built – in amplifier to increase detection efficiency
- Calculation of Modulation index
- Observation of amplitude modulated waveforms for different modulation depths.
FREQUENCY MOD / DEMOD TRAINER
- Demonstrates the principle of Frequency Modulation and Demodulation
- Built – in HF carrier signal generator
- Facility for connecting external modulating signal
- IC based modulating circuit.
- Observation of frequency modulated signal.
- Demodulation achieved using Ratio Detector Circuit
- Observation of demodulated output on CRO
DSB SC MODULATION / DEMODULATION TRAINER
- Demonstrates the principle of DSB SC Modulation / Demodulation
- IC based balance modulator.
- Verification of suppression of carrier and fine adjustment for optimum carrier suppression
- Demonstrates the effect of the input audio level on double side band output amplitude
- Built – in Balanced (DSB) Demodulation circuit using IC1496
- Observation of demodulated waveform
- Balanced (DSB) modulated signal to be provided externally for which connecting facility provided on board.
- Facility for connecting external modulating signal
PULSE AMPLITUDE ( PAM ) MOD / DEMOD TRAINER
- Demonstrates the principle and working of a Pulse Amplitude ( PAM ) Mod / Demod
- Built – in IC based modulating circuit.
- Observation of pulse amplitude modulated waveform.
- Demodulation achieved using Low Pass filter and AC Amplifier
- Observation of demodulated waveform.
- Built – in amplifier to increase detection efficiency.
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