Advance Analog Communication Training System, is a complete range of Analog Communication kits in a modular fashion. These kits have been designed to explain the basic concepts of Amplitude, Frequency and Phase Modulation / Demodulation. Attempt has been made to demonstrate every stage and phase achieved in the process of modulation and demodulation. One of the most salient features of the kit being the capability to observe & analyze DSB-USB-LSB and FM signal spectrum on a Dual Trace Oscilloscope. One look at the list of experiments at the end of this section is sufficient to understand the depth at which these kits will take the students to understand the principles of Analog Communication and its operating characteristics.

The trainer kits are provided with extensive test points allowing students to investigate the various aspects of system operation. Each kit is equipped with correlated courseware to guide students through the application and demonstration of communication techniques and concepts. In addition user manuals guides the students through each kit.

ADVANCE ANALOG COMMUNICATION TRAINING SYSTEM CONSISTS OF:
• ACT-01: SIGNAL GENERATOR AND FREQUENCY MODULATION KIT
• ACT-02: AM / DSB / SSB KIT
• ACT-03: AMPLITUDE MODULATION KIT
• ACT-04: FREQUENCY DEMODULATION AND PHASE MODULATION KIT
• ACT-05: FILTER - NOISE - AUDIO AMPLIFIER KIT

For details select individual product from product list

LIST OF EXPERIMENTS USING ACT-01 TO ACT-05:

1. AMPLITUDE MODULATION:
a. Study the operation of an Amplitude Modulator.
b. Calculate modulation index of an Amplitude Modulated wave.
c. Observe linearity curve of the Modulator.
d. Observe spectrum of the AM Signal.
2. AMPLITUDE DEMODULATION:
a. Study and observe the operation of Envelope Detector.
b. Study and observe the effect of time constant RC.
c. Study and observe the operation of synchronous AM Detector.
3. SINGLE SIDE BAND MODULATION (SSB):
a. Observe frequency response of ceramic filter.
Plot the frequency response curve of ceramic filter.
b. Study the operation of Amplitude Modulator with suppressed carrier.
c. Study Single Side Band Generation.
d. Study and observe spectrum of the signal generated by the Balance Modulator.
e. Study demodulation of the SSB Signal.
f. Study demodulation of the Ring Modulator.
4. FREQUENCY MODULATION:
A. Plot modulation characteristics of Frequency Modulator.
Calculate modulation sensitivity of Frequency Modulator.
Calculate Non-linearity of Frequency Modulator.
b. Observe and measure frequency deviation and modulation index of Frequency Modulator.
c. Study marker insertion to evaluate the Frequency Deviation.
d. Observe spectrum of the FM signal.
5. FREQUENCY DEMODULATION:
a. Plot demodulation characteristics of the frequency demodulator (Foster Seeley Demodulator).
Calculate demodulation sensitivity and nonlinearity of Frequency Demodulator.
Observe demodulation characteristics curve Observe waveforms of the demodulated Signal.
b. Study of Ratio Demodulator.
c. Study of Quadrature Detector.
d. Study of Limiter Circuit.
6. PHASE MODULATION:
a. Study and observe the waveforms of the Phase Modulated Signal.
b. Study and observe the waveforms of Phase Demodulated Signal.
c. Study Frequency Demodulation via. Phase Modulator.
7. FREQUENCY CONVERSION:
a. Study frequency relations with the Mixer.
Study effect of Image Frequency.
b. Observe the frequency response of IF Filter Plot frequency response of the IF Filter.
8. SELECTIVE AMPLIFIER:
a. Find the central frequency and band width of an amplifier.
Impedance transformation with transformer.
Impedance transformation with auto transformer.
b. Calibration of gain of a 2 Stage IF Amplifier.
c. Automatic Gain Control.
d. AM Detector.
9. AM SUPERHETERODYNE RECEIVER WITH AGC.
10. FM SUPERHETERODYNE RECEIVER WITH AFC.
11. CHANNEL AND NOISE:
a. Examine the operation of a Noise Generator.
b. Examine the operation of a signal attenuation network.
c. Measurement of S/N Ratio.
d. Measurement of Noise Figure.
12. AUDIO AMPLIFIER:
Measurement of Frequency Response and Power Output.
13. STUDY OF FILTERS.
a. High Pass Filter
b. Band Pass Filter
c. Band Reject Filter
d. Matched Filter (P & T Section)
14. EFFECT OF SWITCH FAULTS.

ACCESSORIES FOR ACT-01 TO ACT-05: