Con. 5355-09. 1[9 N..B.: (1) I (2) (3) . (4) $'C~ L2Tf--d;)Sc~\\\- C~ (REVISED CO . ~RSEt~ "' . . . SP-7355 !lhs~c O~ t;(~C~d~,C C\YCu.1<\5 ..', (3 Hours) [Total Marks: 100 QlJestion No.1 is compulsory. ~/ 12--J a-=' Answeranyfour out of remainingsix questions. ,A.ssumeanysuitable data, wherever required. ' ~'-3 CJ ~ ~3eJ p..-ft'" Answer to questions should be grouped and written together. . , 1. Solveany four :- (a) Sketchthe olp waveformforshownfigure. 20 \Ii c. 15'\1 0 -15"V .., . ... t l' :D ~ \10 2V (b) The d.c. load line of fixed bias is shown in figure. Determine the required values of Vcc, RC and RS for a fixed-bias circuit. :r c l MA)l gj (;fr1Jt. L,m'A .L. f. ." .- '3 o.j.( A- - 2-o...u...A I 0 .JAA- '''' '. "', ~ I . )- <tv I:LV \6V V (\/01-4) , (f.. '- 4v (c) What is maximum reverse voltage (PIV) across a diode in (i) HWR (ii) a FWR with center tapped.transformer (iii) Bridge type rectifier? (d) Derive the condition for zero temp. drift biasing of FET. (e) Which biasing method can not be used for D-MOSFETandWhy ? 2. (a) Design single stage BJT CE Amplifier for the following requirements. Av? 100, Zj > 3KO, VCC = 18 Y (b) Determine Av. Zj and Zo for designed circuit. 15 5 [ TURN OVER
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5 [Total Marks: 100 I Answer any four out of remaining six ... · (d) Derive the condition for zero temp. drift biasing of FET. (e) Which biasing method can not be used for D-MOSFETandWhy
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Answerany four out of remainingsix questions.,A.ssumeany suitable data, wherever required. ' ~'-3 CJ ~ ~3eJ p..-ft'"Answer to questions should be grouped and written together.. ,
1. Solveany four :-(a) Sketchthe olp waveformforshownfigure.
20
\Iic.
15'\1
0
-15"V .., . ...t
l'
:D
~ \102V
(b) The d.c. load line of fixed bias is shown in figure. Determine the required
values of Vcc, RC and RS for a fixed-bias circuit.
:rcl MA)l
gj(;fr1Jt.
L,m'A .L. f. ." .-
'3 o.j.( A-
- 2-o...u...A
I0 .JAA-
'''' '."',
~I . )-
<tv I:LV \6V V (\/01-4), (f.. '-
4v
(c) What is maximum reverse voltage (PIV) across a diode in
(i) HWR (ii) a FWR with center tapped.transformer (iii) Bridge type rectifier?
(d) Derive the condition for zero temp. drift biasing of FET.
(e) Which biasing method can not be used for D-MOSFETandWhy ?
2. (a) Design single stage BJT CE Amplifier for the following requirements.
Av? 100, Zj > 3KO, VCC = 18 Y(b) Determine Av. Zj and Zo for designed circuit.