Communication Trainer

SCOPE OF LEARNING: • Measurement with 1) Matched, 2) Short, 3) Open end of the line • Measurement of line properties • Measurement of line attenuation • Frequency characteristics of line • Input impedance of the line • Measurement of stationary waves • Phase shift along the line • Fault

SCOPE OF LEARNING: • Delta Modulation • Delta Demodulation TECHNICAL SPECIFICATIONS: Generator: • Sampling Frequency : 20KHz. Square wave using IC 555 • Modulating Signal : 250Hz Sine wave using IC TL084 with variable amplitude up to 3 Vpp Power Supply: • Fixed DC Power Supplies +12V,+5V DC, 250mA •

PCT-E166 PULSE POSITION MODULATION AND DEMODULATION TRAINER SCOPE OF LEARNING: • Pulse Width Modulation • Pulse Width Demodulation TECHNICAL SPECIFICATIONS: Generator: • A.F. Generator 1KHz Variable Amplitude of 5Vp-p • Carrier generator 8KHZ-64KHZ Power Supply: • Fixed DC Power Supplies +12V,+5V DC, 250mA • Operated on Mains power 230V, 50Hz

PCT-E168 AMPLITUDE SHIFT KEYING MODULATION AND DEMODULATION TRAINER SCOPE OF LEARNING: • Amplitude Shift Keying Modulation • Amplitude Shift Keying Demodulation TECHNICAL SPECIFICATIONS: Generator: • Carrier Frequency : 30KHz. Variable Sine wave using IC 8038 • Carrier Amplitude : : Variable up to 5Vp-p Power Supply: • Fixed DC Power

PCT-E202 ANALOG SAMPLING AND RECONSTRUCTION TRAINER SCOPE OF LEARNING: • Study the Sample signal and Sample/Hold signal and its reconstruction; • Study the effects of different Sampling; • Study the effects of 2nd and 4th Order low pass filters for the reconstruction of the signal frequencies on the reconstructed signal;

PCT-E334A PAM, PPM, PWM MODULATION AND DEMODULATION TRAINER SCOPE OF LEARNING: • Study of Pulse Amplitude modulation and demodulation using Natural Sampling • Study of Pulse Amplitude modulation and demodulation using Flat Top Sampling • Study of Pulse Position modulation and demodulation using Natural Sampling and Flat Top Sampling •

PCT-E474 FREQUENCY SHIFT KEYING MODULATION AND DEMODULATION TRAINER SCOPE OF LEARNING: • Frequency Shift Keying Modulation • Frequency Shift Keying Demodulation TECHNICAL SPECIFICATIONS: Generator: • Carrier Signal • Modulating Signal Power Supply: • Fixed DC Power Supplies +12V,+5V DC, 250mA • Operated on Mains power 230V, 50Hz +10% Components mounted

RADAR TRAINER SCOPE OF LEARNING: • Doppler Radar Training System, is a versatile & useful training system for understanding Doppler principle. The Doppler Radar plays a very important role in today’s industrial and domestic applications. The trainer is unique in design as it covers study of Doppler principles through different