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ISRO 2023 Quiz 44 Revision

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Question 1

A parallel plate waveguide is to be designed so that only TEM modes can propagate in the frequency range 0 < f < 2 GHz. The dielectric material between the plates has ϵ_r = 9, μ_r = 1. The spacing ‘d’ allowed between the parallel plates of waveguide is

Question 2

Given below is a block diagram of an electric circuit.

The transfer function for the given system is obtained as:

Determine the value of

Question 3

Figure shows an oscillator circuit designed to generate a frequency f = 40 kHz; operational amplifier with a supply of = +10V and 100mH inductor are used. Determine the value of C₂ for C₁ = 10C₂.

Question 4

On a micro-strip line the wavelength measured is 12 mm for a 10 GHz signal. The dielectric constant of the equivalent homogeneous line is.

Question 5

Perform the convolution of these two signals,

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ESE & GATE EC General

Dec 5ESE & GATE EC