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Arpita
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Quote Arpita Replybullet Topic: Analog circuit sample questions
    Posted: 09Jan2007 at 5:43pm



Que. 1
An amplifier has an open loop gain of 100, an input impadence of 1kohm,and 
an output       impedance of 100ohm.a feedback network with a feedback 
fector of 0.99 is connected to       the amplifier in a voltage series 
fedback mode the new input and output impedance      respectively are
A
10 ohm and 1 ohm
B
10 ohm and 10 kohm
C
100 ohm and 1 ohm
D
100 kohm and 1 kohm

Que. 2 In a twin wire transmisssion line in the air the adjacent voltage maximum 
are at 12.5cm   and 27.5cm the operating freq. is
A
300mhz
B
1Ghz
C
2Ghz
D
6.28Ghz

Que. 3
The band width of an N stage tunedamplifire with each stage having a 
 band width of   B, is given by
A
B/n
B
B/(sqrt)n
C
B[(sqrt)2^[1/n]-1
D
B/[(sqrt)(/2^[1/n]-1]

Que. 4
the resolution of a 12-bit D/A convertor using a binary ladder with 10v 
as the full   scale output will be
A
2.44mA
B
3.50mA
C
4.32mA
D
5.12mA

Que. 5
the number of comparetor ckt requires to build a 3-bit simultaneous A/D 
convrtor is
A
7
B
8
C
15
D
16

Que. 6
A magnetic drum of 8 inches diameter has 100 tracks and storage density 
of 200bits/inches    its storage capacity will be
A
502400 bits
B
8402 bits
C
1004800 bits
D
202400 bits

Que. 7
the function of inhabit line in a memory in
A
to write 1 in a core
B
to read 1 in a core
C
to write 0 in a core
D
to stop writing 1 in a core

Que. 8
the storage time of transistor is the part of the
A
turn on time
B
turn off time
C
fall time
D
rise time

Que. 9
if the turn on time of a transistor is decreases its turn on time
A
decreases
B
increases
C
is not affected
D
infinite

Que. 10
for an input pulse train of clock period T,the delay produced by an n 
stage shift   resister
A
(n-1)
B
2n
C
(n+1)T
D
2nT

Que. 11
If the memory chip size is 256*1 bits,then the member of chips required 
to make   up 1k bytes of memory is
A
32
B
24
C
12
D
8

Que. 12
In sign magnitude numbers
A
the leading bit stands for the sign
B
the leading bit is part of the magnitude
C
the leading bit is always zero
D
the leading bit is always

Que. 13

       what is dule of  X + X'Y =X + Y
A
X + Y = XY
B
X' + XY = XY
C
X(X' + Y) = XY
D
X'(X + Y) = X + Y

Que. 14
The "Pinch off" voltage of a JFET is 0.5 volts. Its "Cut Off" votage is
A
(0.5)^1/2 v
B
2.5 v
C
5.0 v
D
(5.0)^3/2 v

Que. 15
four independent message have bandwidth of 100hz, 200hz, and 400hz,respectively 
each   is sampled at the Nyquist rate and the samples are time division 
multiplexed and   transmitted sample rate is
A
1600
B
800
C
400
D
200

Que. 16
in the CMOS  inventor  1. Both are enchancement Type  2. One transistor 
is N Channel and the other  3. Both are N Channel with one enchancement 
and the other depletion type 4. one is enchancement and the other depletion 
type Of the above 4 statment the only true one are
A
4
B
1 and 2
C
1 and 3
D
none of these




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gdeepika_rani
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Quote gdeepika_rani Replybullet Posted: 12Sep2007 at 10:25am
where \are the answers
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venkatesh
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Quote venkatesh Replybullet Posted: 13Oct2007 at 3:48pm
i want gate faq
]
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sanjeet dwivedi
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Quote sanjeet dwivedi Replybullet Posted: 22Oct2007 at 11:52pm
where r the answers dude
sanjeet chand dwivedi
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dahiya
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Quote dahiya Replybullet Posted: 21Dec2007 at 8:28am

wanna answers.........

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Quote baskar Replybullet Posted: 04Feb2008 at 9:36pm
i want gate 2008 paper
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rahna k u
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Quote rahna k u Replybullet Posted: 07May2008 at 6:38am
Big smile
Originally posted by baskar

i want gate 2008 paper
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