ANNA NIVERSITY: CHENNAI 600 025

B.E / B.Tech DEGREE EXAMINATIONS, APRIL/MAY 2013

Regulations 2008

Fourth Semester

(ELECTRONICS AND COMMUNICATION ENGINEERING)

EC 2257 Electronics Circuits II & Simulation Lab

Time: 3 Hours Max. Marks: 100

1. Design and construct series-series feedback amplifier with feedback and without feedback & plot the frequency response graph. (100) 2. Design & construct series-shunt feedback amplifier & plot frequency response graph. (100)

3. i) Design & construct the circuit that clips the positive portion of applied voltage (50) ii) Write a simulation program for the circuit that amplifies the difference between two Signals (50) 4. i) Design & construct the circuit that clips the negative portion of applied voltage (50)

ii) Write a simulation program for low pass filter (50)

5. i) Design & construct the circuit that lifts the D.C level of the signal than its original D.C level in Positive direction (50)

ii) Write a simulation program for free running symmetrical multivibrator (50)

6. i) Design & construct the circuit that lifts the D.C level of the signal than its original D.C level in negative direction (50)

ii) Write a simulation program for Bistable Multivibrator. (50)

7. i) Design & construct the circuit that has one stable and one quasi stable state (50)

ii) Write a simulation program for CMOS NOR circuit (50)

8. i) Design & construct square waveform generator multivibrator (50)

ii) Write a simulation program for CMOS NAND circuit (50)

9. i) Design & construct the circuit that has two stable state (50)

ii) Write a simulation program for CMOS Inverter circuit (50)

10. i) Design & construct single tuned class C amplifier circuit & plot its frequency response graph (50)

ii) Write a simulation program for low pass filter (50)

11 . i) Design & construct RC Phase shift Oscillator (50)

ii) Write a simulation program for CMOS Inverter circuit (50)

12. i) Design & construct Wein Bridge Oscillator (50)

ii) Write a simulation program for Digital to Analog converter (50)

13. i) Design & construct the circuit that produce the output voltage which is integration of input

Voltage (50)

ii) Write a simulation program for Analog to Digital converter (50)

14. i) Design & construct the circuit that produces the differentiation of the input voltage at its

Output (50)

ii) Write a simulation program for Analog Multiplier (50)

15. i) Design & construct colpitts Oscillator to get sine wave output of desired frequency (50)

ii) Write a simulation program for CMOS NAND circuit (50)

16. i) Design & construct Hartley Oscillator to get sine wave output of desired frequency (50)

ii) Write a simulation program for Low pass filter circuit (50)

17. i) Design & construct Astable multivibrator (50)

ii) Write a simulation program for Analog to Digital converter circuit (50)

18. i) Design & construct the positive clipper circuit (50) ii) Write a simulation program for Monostable multivibrator (50)

19. i) Design & construct the negative clamper circuit (50) ii) Write a simulation program for Analog multiplier (50)

Mark allotment pattern:

Aim /Procedure / Algorithm : 25

Circuit Diagram / Program : 25

Experimental Set up / connection : 15

Results : 25

Viva : 10

Total : 100