Refer to Fig.

The feedback amplifier shown in Fig.has:

Of the four biasing circuits shown in Fig. For a BJT, indicate the one which can have maximum bias stability:

A signal of bandwidth 3.5 kHz has peak-to-peak and rms amplitudes of 4 V and 0.2 V, respectively. This signal is passed

A part of a communication system consists of an amplifier of effective noise temperature, $$Te = \,\,21\,\,{}^ \circ K\,

Zero mean Gaussian noise of variance N is applied to a half wave rectifier. The mean squared value of the rectifier outp

A source produces 4 symbols with probabilities $${1 \over 2},\,{1 \over 4},\,{1 \over 8}\,\,and\,\,{1 \over 8}.$$ For th

For the input signal, x(t), shown in Fig. (a) Sketch the impulse response, h(t), of the matched filter. (b) Sketch the

In binary data transmission DPSK is preferred to PSK because

Nyquist plot consider a feed back system where the OLTF is: $$G(s) = {1 \over {s\left( {2s + 1} \right)\left( {s + 1} \r

From the Nicholas chart, one can determine the following quantities pertaining to a closed loop system:

In order to stabilize the system shown in fig. Ti should satisfy:

A chemical reactor has three sensors indicating the following conditions:- (1) Pressure (P) is low or high' (2) Temper

A logic family has threshold voltage $${V_T}$$= 2V, minimum guaranteed output high voltage $${V_{OH}}$$= 4V, minimum acc

Among the digital IC-families-ECL, TTL and CMOS:

Indicate which of the following logic gates can be used to realize all possible combinational Logic functions:

Design a rectangilar hollow metal waveguide to operate in the X-band such that at an operating free-space wavelength of

In the case of ground wave propagation, at far-off distances from the transmitting tower antenna, the Poynting vector is

Two vertically oriented half wave dipoles are spaced 1.5 wavelengths apart to from an array. Calculate the half power be

The electric field strength at a far-off point P due to a point charge + q, located at the origin O is 100 millivolts/me

A 50 ohm lossless transmission line has a pure reactance of (j100) ohms as its load. The VSWR in the line is :

The skin - depth of copper at a frequency of $$3 GHz$$ is $$1$$ micron ($${{{10}^{ - 6}}}$$ metre). At $$12 GHz$$, for

In a microprocessor system, the stack is used for

The half - power bandwidth of the resonant circuit of figure can be increased by

For the transfer function of a physical two-port network

The condition AD - BC = 1 for a two-port network implies that the network is a

The condition AD - BC = 1 for a two-port network implies that the network is a

In the circuit of figure, the power dissipated in the register R is 1W when only source '1' is present and '2' replaced

A 10 Ω resistor, a 1 H inductor and 1 $$\mathrm{μF}$$ capacitor are connected in parallel.The combination is driven by a

A load, ZL = RL + jXL is to be matched, using an ideal transformer, to a generator of internal impedance, ZS = RS + jXS.