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Name: …………………….…

Reg. No: …………………….

SRI VELLAPPALLY NATESAN COLLEGE OF ENGINEERING

SERIES TEST-II MARCH 2016

08.825: MICROWAVE DEVICE AND CIRCUITS (T

Time: 2 hrs Maximum marks: 50

P!"# A (A$%&'" ! )*'%#+,$%

1. Explain stability ir les.

2. !i""erentiate bet#een k$% test an& ' test "or un on&itional stability.

(. !eri)e the on&ition "or one port negati)e resistan e os illator.

*. +o# an a terminator be onstru te& by using resistor.

5. Explain shiel&e& mi rostrip line.

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P!"# (A$%&'" !$ T "''

,. Explain the e)en mo&e an& o&& mo&e o" operation in ouple& striplines.

-. Explain ho# apa itors are implemente& in M /s.

. !eri)e the expression "or the po#er gain a)ailable po#er gain an& the trans&u er

po#er gain.

3. !esign an ampli"ier to ha)e a gain o" 11 & at *.0 3+4. lot onstant$gain ir les "or

3 6 7 2 an& ( & an& 3 8 7 0 an& 1 & . /al ulate an& plot the input return loss an&

o)erall ampli"ier gain "rom ( to 5 3+4. The transistor has the "ollo#ing s attering

parameters 9 0 7 50 ;