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Question 1
Difference amplifier has a differential mode gain of 100 and a common mode rejection ratio of 1000. If the two applied input voltages are 
and 
the output voltage will be
and the output voltage will be Question 2
Which device is suitable for higher order RF frequency multiplier/
Question 3
DC to RF efficiency of an ideal class-c amplifier is:
Question 4
Two random variables and are distributed according to 
(for 
and = 0 (otherwise)
where
a constant, is equal to
(for and = 0 (otherwise) where
a constant, is equal to Question 5
A pulse signal having 100 KHz frequency and 70 nsec rise time to be measured on an oscilloscope. The minimum required bandwidth of the oscilloscope is
Question 6
The process of imitating one system with another so that the imitating systems accepts the same data, executes same programs and achieves same results as the imitated systems is known as
Question 7
The Boolean equation for Y in the following circuit is
Question 8
For a directional coupler, the quantities I (Isolation in dB), D (directivity in dB), C (coupling in dB) are related by
Question 9
Unit of relative permeability is
Question 10
The phase velocity of a plane wave given by 
with a frequency of 5.0 GHz and a wavelength in the material medium of 3.0 cm is :
with a frequency of 5.0 GHz and a wavelength in the material medium of 3.0 cm is :- 1941 attempts
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ESE & GATE ECGeneralNov 25ESE & GATE EC
