ISRO Scientist/Engineer CS Solved Papers

What is the approximate skin depth in copper at 100 MHz?

While designing a low noise amplifier, what is the importance of the noise resistance of a transistor?

Unattenuated radiation field at the surface of the earth of a quarter-wave monopole will exist if the earth surface is

Given that $$A = \begin{bmatrix} 1 & 0 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 3 \end{bmatrix}$$ Evaluate $A^3 - 6A^2 + 11A - 10I$

$$\lim_{x \to 0} x \log(\sin x)$$ is

A 12 bit ADC is operating with a 1 μs clock period and the total conversion time is seen to be 14 μs. The ADC must be of

Which of the following types of devices is not field programmable?

Which is the correct order of different process steps for a typical FPGA design?

The theoretical dividing line between Reduced Instruction Set computing (RISC) microprocessor and Complex Instructions Set Computing (CISC) microprocessor is

In a pulsed radar, the peak radar transmitter power is increased by a factor of 81 keeping all other radar parameters unchanged. The maximum range capability of the radar increases by a factor of

A radar transmitter has a PRF of 1500 PPS and a pulse width of 1 micro second. Its duty cycle is

Which of the following technology results in least power dissipation ?

A power MOSFET is a

The advantage of differential PSK (DPSK) over coherent PSK is

An ideal current meter should have

For the network shown in the figure $V_i(t)$ is the input and $i(t)$ is the output. The transfer function $\frac{I(s)}{V_i(s)}$ of the network is

The length of a lossy shorted stub is 1/32 λ. What will be the nature of its input impedance?

Refer to the circuit in the figure. Which of the following statements is NOT true about this circuit?

Which of the following is the correct continuity equation:

α, β are the roots of the equation $x^2 + x + 1 = 0$. Then $\alpha^{3n} + \beta^{3n}$ is

A point moving in the complex plane satisfies the following relation $z^2 + {z^*}^2 = 8$, where $z^*$ stands for the complex conjugate of $z$. The difference of the distances of the moving point from $(2\sqrt{2}, 0)$ and $(-2\sqrt{2}, 0)$ is

The greatest negative number which can be stored in a computer that has 8-bit word length and uses 2's complement arithmetic is

Which of the following ADCs uses over sampling in its operation

A mealy state machine's output depends on

The characteristic equation of the T-FF is given by