Communications Lab:

This lab caters to:

1. Analog Communications Lab for II B.Tech ECE
2. Digital Communications Lab for III B.Tech ECE

1. Amplitude Modulation & Demodulation
2. Diode Detector Characteristics
3. Frequency Modulation & Demodulation
4. Balanced Modulator
5. Pre-emphasis & De-emphasis
6. Characteristics of Mixer
7. Digital Phase Detector
8. Phase Locked Loop
9. Synchronous Detector
10. SSB System
11. Spectral Analysis of AM & FM Signals using Spectrum Analyzer
12. Squelch Circuit
13. Frequency Synthesizer
14. AGC Characteristics

1. Pulse Amplitude Modulation & Demodulation
2. Pulse Width Modulation & Demodulation
3. Pulse Position Modulation & Demodulation
4. Sampling Theorem - Verification
5. Time Division Multiplexing
6. Pulse Code Modulation
7. Differential Pulse Code Modulation
8. Delta Modulation
9. Frequency Shift Keying
10. Phase Shift Keying
11. Differential Phase Shift Keying

1. Electronic Circuit Analysis Lab for II B.Tech ECE
2. Hobby Club for all III B.Tech ECE

1. Common Emitter & Common Source Amplifier
2. Two Stage Coupled Amplifier
3. Current Shunt & Feedback Amplifier
4. Cascade Amplifier
5. Wein Bridge Oscillator using Transistors
6. RC Phase-Shift Oscillator using Transistors
7. Class-A Power Amplifier (Transformer-less)
8. Class-B Complementary Symmetry Amplifier
9. High Frequency Common Base (BJT)/Common Gate (JFET) Amplifer

1. Digital Signal Processing Lab for IV B.Tech ECE
2. Electronic Computer Aided Design Lab for III B.Tech ECE

1. To study the architecture of DSP Chips-TMS 320 CSA/Instructions
2. To verify Linear Convolution/Instructions
3. To verify Circular Convolution
4. To design FIR Filter (LP/HP) using Windowing techniques: a) using Rectangular Window b) using Triangular Window c) using Kaiser Window
5. To design IIR Filter (LP/HP)
6. N Point FFT Algorithm
7. MATLAB program to generate sum of Sinusoidal Signal Algorithm
8. MATLAB program to find frequency response of Analog (LP/HP) Filters
9. To compute Power Density Spectrum of a Sequence
10. To find FFT of given 1-D-Signal and Plot

1. Gates
2. D Flip-Flop 7474
3. Decade Counter-7490
4. 4 Bit Counter-7493
5. Shift Registers-7495
6. Universal Shift Registers-74194/195
7. 3-8 Decoder-74138
8. 4 Bit Comparator-7485
9. 8x1 Multiplexer-74151 & 2x4 Demultiplexer-74155
10. 16x1 Multiplexer-74150 & 4x16 Demultiplexer-74154
11. RAM (16x4)-74189 (Read & Write Operations)
12. Stack & Queue implementation using RAM

1. Electronic Devices & Circuits Lab for I B.Tech ECE
2. Electronic Devices & Circuits Lab for I B.Tech EEE
3. Electroncs Lab for I B.Tech CSE
4. Basic Electronics Lab for I B.Tech BT
5. Basic Electronics Lab-1 for II B.Tech ME

1. PN Junction Diode Characteristics: a) Forward Bias b) Reverse Bias
2. Zener Diode Characteristics
3. Transistor CB Characteristics (Input and Output)
4. Transistor CE Characteristics (Input and Output)
5. Transistor CC Characteristics (Input and Output)
6. Rectifier without Filters (Fullwave & Half wave)
7. Rectifier with Filters (Fullwave & Half wave)
8. FET Characteristics
9. UJT Characteristics
10. Study of CRO
11. Measurement of H Parameters of Transistor in CB, CE, CC Configurations
12. CE Amplifier
13. CE Amplifier
14. Single Stage R-C Coupled Amplifier
15. FET Amplifier (Common Source)
16. FET Amplifier (Common Drain)
17. Wien Bridge Oscillator
18. RC Phase-shift Oscillator
19. Feedback Amplifier (Current Series)
20. Feedback Amplifier (Voltage Series)
21. Colpitts Oscillator
22. Hartley Oscillator
23. SCR Characteristics

1. PN Junction Diode Characteristics: a) Forward Bias b) Reverse Bias
2. Zener Diode Characteristics
3. Transistor CE Characteristics (Input and Output)
4. Rectifier without Filters (Fullwave & Half wave)
5. Rectifier with Filters (Fullwave & Half wave)
6. FET Characteristics
7. Study of CRO
8. RC Phase Shift Oscillator
9. Feedback Amplifier (Current Series)
10. Feedback Amplifier (Voltage Series)
11. Colpitts Oscillator
12. Hartley Oscillator
13. SCR Characteristics

1. PN Junction Diode Characteristics: a) Forward Bias b) Reverse Bias
2. Zener Diode Characteristics
3. Transistor CE Characteristics (Input and Output)
4. Rectifier without Filters (Fullwave and Half wave)
5. FET Characteristics
6. Study of CRO
7. RC Phase-shift Oscillator
8. CE Amplifier
9. Class-A Amplifier
10. Study of Logic Gates using ICs
11. UJT Characteristics

1. Transistor CE Characteristics (Input and Output)
2. Full Wave Rectifier with & without Filters
3. SCR Characteristics
4. RC Phase-shift Oscillator
5. Single stage RC Coupled Amplifier
6. Feedback Amplifier (Voltage Series/Current Series)
7. Study of 8085 Kit (Simple Programs)

1. Microwave & Optical Fiber Communication Lab for IV B.Tech ECE

1. Reflex Klystron Characteristics
2. Gunn Diode Characteristics
3. Attenuation Measurement
4. Directional Coupler Characteristics
5. VSWR Measurement
6. Impedance and Frequency Measurement
7. Waveguide Parameter Measurement
8. Scattering Parameters of Circulator
9. Scattering Parameters of Magic Tee
10. Characterization of LED
11. Characterization of Laser Diode
12. Intensity Modulation of Laser output through an Optical Fiber
13. Design of Fiber Optic Digital link for Transmission of Digital Signals

1. Linear IC Applications Lab for III B.Tech ECE
2. Linear IC Applications & Pulse and Digital Circuits Lab for II B.Tech EEE
3. Linear IC Applications Lab for II B.Tech CSE
4. Pulse and Digital Circuits Lab for II B.Tech ECE

1. Linear Wave Shaping
2. Non-linear Wave Shaping - Clippers
3. Non-linear Wave Shaping - Clampers
4. Transistor as a Switch
5. Study of Logic Gates & Some Applications
6. Study of Flip-Flops & Some Applications
7. Sampling Gates
8. Astable Multivibrator
9. Monostable Multivibrator
10. Bistable Multivibrator
11. Schmitt Trigger
12. UJT Relaxation Oscillator
13. Bootstrap Sweep Circuit

1. Linear Wave Shaping
2. Non-linear Wave Shaping - Clippers
3. Non-linear Wave Shaping - Clampers
4. IC-741 Op-Amp Applications - Adder, Integrator & Differentiator Circuits
5. Study of Logic Gates & Some Applications
6. Active Filters - LPF, HPF (First Order)
7. Function Generator using 741 Op-Amp
8. Astable Multivibrator & Monostable Multivibrator using Transistors
9. Bistable Multivibrator & Schmitt Trigger using Transistors
10. IC 555 Timer - Monostable & Astable Operation Circuits
11. Schmitt Trigger Circuits using IC 741 and IC 555
12. Voltage Regulator using IC 723
13. 4 Bit DAC using 741 Op-Amp

1. Study of Op-Amps - IC 555, IC 565, IC 566, IC 1496 - Functioning Parameters and Specifications
2. Op-Amp Applications - Adder, Subtractor, Comparator Circuits
3. Integrator & Differentiator Circuits using IC-741
4. Active Filter Applications - LPF, HPF (First Order)
5. Active Filter Applications - BPF, Band Reject (Wide Band) & Notch Filters
6. IC 741 Oscillators Circuits - Phase Shift & Wein Bridge Oscillators
7. Function Generators using Op-Amp
8. IC 555 Timer - Monostable Operation Circuit
9. IC 555 Timer - Astable Operation Circuit
10. Schmitt Trigger Circuits - using 741 and IC 555
11. IC 565 - PLL Applications
12. IC 566 - VCO Applications
13. Voltage Regulator using IC 723
14. Three Terminal Voltage Regulators - 7805, 7809, 7912
15. 4 Bit DAC using Op-Amp