Thapar University 2007 B.E ANALOG IC DESIGN - Question Paper
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THAPAR UNIVERSITY PATIALA
SECOND MID SEMESTER, , VLSI 2nd SEMESTER
THAPAR UNIVERSITY, PATIALA SECOND MID SEMESTER, VLSI SECOND SEMESTER VL-005 ANALOG IC DESIGN TIME: 1 HR MARKS: 12
NOTE: ALL QUESTIONS ARE COMPULSORY. ANSWER SHOULD BE TO THE POINT.
Q1. Why Noise is always calculated with the help of Average Noise Power (Pav)? (1)
Q2 (a) Explain how the Gilbert cell is advantageous in differential pair and explain the simple variable gain amplifier? (2)
(b) Draw a amplifier whose gain can be continuously varied from a negative value to positive value. (2)
Q3(a) Explain the applications of current sources. (2)
(b) Differentiate between basic current mirrors and cascade current mirrors. (2)
RCj >
Q4(a) Drive this expression of noise Vl, out = 4KT (gmrO)2. (3)
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| Earning: Approval pending. |
