ISRO Scientist or Engineer Electronics 2013

In the asymptotic bode plot of a transfer function of a closed loop system shown below, the number of poles and zeros are,

Plane Wave travelling in free space has an average Poynting vector of $$3W/m^2$$. Average energy density $$(nJ/m^3)$$ of the wave is:

For two identical n-channel JFET’s connected in parallel as shown in fig. below, the pinch-off voltage of equivalent JFET is :

The velocity at which a sinusoidal signal of $$ 10^9 rad/s$$ travels down loss-less transmission line for which $$ L = 0.4 \mu H/m$$ and $$ C = 40 pF/m is

The Maxwell’s equation $$ \triangledown \times \overline{E} = -\frac{\partial \overline{B}}{\partial t} $$ is obtained from:

A lossless line having characteristic impedance Zo is terminated with a load impedanceof jZo. VSWR of the line will be :

A signal $$ 1 + \cos (2 \pi ft) + \cos (6 \pi ft)$$ where f = 1 MHz is sampled at 3 MHz and Fourier Transform is carried out. How many lines will be seen in Fourier Transform?

The array factor of an array antenna depends on

Which of the following parameter is improved by introducing pipelining in digital design?

A transmission line having characteristic impedance $$‘Z_t’$$ of varying length in series with a load impedance $$‘Z_L’$$ appears in a Smith Chart on: