COMMUNICATION SYSTEMS LABORATORY

The Communication Systems Laboratory is employed for undergraduate students of the institute. It is primarily used for conducting the Analog Communication Lab (EC-491) during the 4th semester and the Advanced Digital Communication Lab (EC-593) in the 5th semester. Additionally, the lab offers extended facilities for interested undergraduate and postgraduate students to carry out project work related to communication systems.

Name of Important Equipments

1. Digital Storage Oscilloscope (D.S.O)
2. Function generator
3. Trainer kit
4. Spectrum analyzer (3 GHz)
5. Analog communication trainer kit:
   1. AM and demodulation trainer kit
   2. Radio transmission and receiver trainer kit
   3. FM and demodulation trainer kit
   4. DSB/SSB modulation kit
   5. DSB / SSB demodulation kit
   6. Frequency modulation & demodulation kit
   7. PAM, PPM, PWM modulation & demodulation kit
   8. TDM, PAM Tx and Rx kit
   9. Frequency division multiplexing and demultiplexing
6. Digital communication trainer kit:
   1. QPSK modulation and demodulation trainer
   2. ASK modulation and demodulation kit
   3. FSK modulation and demodulation kit
   4. BPSK modulation and demodulation kit
   5. Delta modulation and demodulation trainer kit
   6. Adaptive delta modulation and demodulation trainer kit
   7. PCM trainer kit
   8. DPCM trainer kit
   9. PCM modulation and demodulation trainer

List of Experiments

List of Experiments for Analog Communication LAB (EC491)

1. Design and study of Standard AM modulation and demodulation.
2. Study of DSB-SC modulation and demodulation.
3. Study of SSB-SC modulation and demodulation.
4. Study of FM modulation and demodulation.
5. Design and study of a VCO.
6. Design and study of a PLL to measure the capture & lock frequency.
7. Design and study of Pre-emphasis and De-emphasis circuits.
8. Study of PAM and demodulation.
9. Study the characteristics of a super-heterodyne radio receiver.

List of Experiments for Advanced Digital Communication Laboratory (EC-593)

1. Study of PCM and demodulation.
2. Study of DPCM and demodulation.
3. Study of delta modulator and demodulator.
4. Study of adaptive delta modulator and demodulator.
5. Study of BPSK modulator and demodulator.
6. Study of BFSK modulator and demodulator.
7. Study of ASK modulator and demodulator.
8. Study of optical modulation and demodulation.
9. Analysis and Simulation of probability of symbol error for BPSK, QPSK modulation.
10. Analysis and Simulation of probability of symbol error for BFSK modulation.
11. Compare the SER for different PSK modulation schemes.

Safety Measures

• Do not use highly flammable liquids near electrical equipment.
• Do not bring any edibles and water bottles in the lab.
• Never plug leads into power source unless they are connected to an established circuit.
• Avoid contacting circuits with wet hands or wet materials.
• Check circuits for proper grounding with respect to the power source.
• In case of fire, use the nearest available fire extinguisher.
• Never change wiring with circuit plugged into power source.
• Work on electrical devices should be done only after the power has been shut off in such a manner that it cannot be turned on accidentally.
• If the power cannot be turned off, use only one hand when working on it. This will prevent a circuit from going through your heart, which could be potentially fatal.
• Internal energy storage devices such as capacitors must be discharged.
• Use only tools and equipment with non-conducting handles when working with electrical devices.