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ISRO 2017 Electronics: Champion Quiz 4

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Question 1

For two identical n-channel JFET’s connected in parallel as shown in the figure below, the pinch-off voltage of equivalent JFET is
$Description: E:\Gate\isro-cs\ISRO_EC_2013_files\image179.png$

Question 2

Find the value of V₀ in the figure
$Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image018.jpg$

Question 3

A CDMA system required E_b / I₀ of 10 dB. Each of the transmitters in the network transmits data at the rate of 1 Kbps with a PN chip rate of 1 Mbps. The maximum number of such users that the network can support is:

Question 4

Compared to a CISC Processor, a RISC processor has

Question 5

For the network shown in the figure V_i(t) is the input and i(t) is the output. The transfer function $Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image027.png$ of the network is
$Description: E:\Gate\isro-cs\ISRO_EC_2009_files\image028.jpg$

Question 6

What will be the output of the following circuit, if point-P is stuck at 1?
$Description: E:\Gate\isro-cs\ISRO_EC_2013_files\image223.png$

Question 7

Consider the signal

where t is in seconds. The Nyquist sampling frequency for the signal

is,

Question 8

The group delay function

is related to phase function

Question 9

Determine the values of L and C in the following circuit so that it acts as a low pass filter having a cut-off frequency of 2 kHz which operates on load resistance of 500 Ω.

Question 10

which of the following improper integrals is divergent?

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ESE & GATE EC General

Apr 10ESE & GATE EC