B.Tech. ELECTRONICS AND COMMUNICATION ENGINEERING (BTECVI) Term-End Examination December, 2012
O
BIEL-011 : LINEAR INTEGRATED CIRCUITS Maximum Marks : 70
Time : 3 Hours
Note : 1. Attempt any seven questions. 2. Use of scientific calculator is allowed.
1.
(a) With a neat circuit diagram, explain the
5
operation of emitter coupled differential amplifier. (b) Explain the concept of current mirror with
5
suitable circuits. 2.
(a) Differentiate between open loop and closed
5
loop configurations of OP-AMP. (b) Draw the diagram of log amplifier using
5
OP-AMP and derive the expression for its output voltage. 3.
(a) Discuss the effect of slew rate on bandwidth
5
and output impedance of an OP-AMP. (b) Calculate the slew rate limited cut-off
5
frequency for a voltage follower circuit using a 741-OP-AMP if the peak of sine wave output is to be 10 V.
BIEL-011
1
P.T.O.
4.
(a) Explain the phase lag and phase lead frequency compensation methods, along with the circuit and frequency response curves. (b) Find the differential mode gain of following circuit.
5
5
10 kfl
5.
(a) Design a Butterworth low pass filter which has a cut off frequency of 1 kHz. The gain is required to drop at least —56 dB at 10 kHz. (b) What are switched - capacitor filters ? Mention their advantages.
6
4
6.
Show how a band pass filter can be constructed 10 by the use of a low pass filter and a high pass filter. Sketch the frequency response and explain the band pass filter operation.
7.
Draw the circuit diagram of sample and hold 10 circuit using OP-AMP IC 741. Explain its operation.
BIEL-011
2
8.
With a neat circuit diagram and relevant 10 waveforms, explain the operation of a triangular waveform generator which has frequency and duty cycle controls.
9.
Derive equations for astable oscillator mode of 555 10 timer. Calculate the frequency and duty cycle for RA = 390 il, RB = 180 fl and C=6.8 p,F.
10.
Attempt any two of followings : (a) Phase shift oscillator (b) (c)
filter. Sketch the frequency response and explain. the band pass filter operation. 7. Draw the circuit diagram of sample and hold 10. circuit using OP-AMP IC 741.
Page 2 of 440. Hidden page. for more visit: www.UandiStar.org. Page 2 of 440. Page 3 of 440. for more visit: www.UandiStar.org. Page 3 of 440. Linear Integrated Circuits.pdf. Linear Integrated Circuits.pdf. Open. Extract. Open with. Sign In. Main men
Page 1 of 1. Page 1. LINEAR INTEGRATED CIRCUITS & APPS.pdf. LINEAR INTEGRATED CIRCUITS & APPS.pdf. Open. Extract. Open with. Sign In. Main menu. Displaying LINEAR INTEGRATED CIRCUITS & APPS.pdf. Page 1 of 1.
Whoops! There was a problem loading more pages. Retrying... Whoops! There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Linear Integrated circuits and applicati
Assume suitable data if necessary. 5. Preferably, write the answers in sequential order. Q1. Attempt any THREE (09 Marks). a. Draw and describe ideal transfer ...
w w w l e a r n a b o u t e l e c t r o n i c s o r g A m p l i f i e r s M o d u l e 6 A M P L I F I E R S M O D U L E 0 6 P D F 2 A n o p e r a t i o n a l a m p l i f i e r ...
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Linear Integrated Circuit 2nd Edition - D. Roy Choudhary- By EasyEngineering.net.pdf. Linear Integrated Circ
