EC QUIZ -2

Consider a 300Ω quarter-wave long (at 1 GHz) transmission line as shown in Figure. It is connected to a 10V, 50Ωsources at one end and is left open circuited at the other end. The magnitude of the voltage at the open circuit end of the line is

Find out the value of x in the following equation

(21)_x = log₂ (11202)_x

In the signal flow graph shown in the figure the gain C/R is

Let x(n) = {2, 4,  8}. The z-transform of the signal y(n) = x(n – 0.5) is (use linear interpolation if required)

Consider an ideal n-channel MOSFET with parameter L = 1.25 μm, μ_n = 650 cm²/V-S ,C_ox = 6.9 × 10^–8 F/cm² and V_T = 0.65 V is in saturation

If drain current is 4mA and gate voltage V_G is 5V So the channel width of the MOSFET is

Consider the zener diode circuit shown in figure below with V_z = 6 V and zero zener resistance and knee current of 5 mA. The minimum value of 'R' so that the voltage across it does not fall below 6 V is

For a given P⁺ - N Si junction diode with N_D = 10¹⁵ cm^-3 and n_i= 10¹⁰ cm^-3 Find the electric field at the midpoint of the depletion region on the n-side. (let reverse bias voltage = 100V)

A sample function x(t) is a random process consists of 1 and 0 shown below by pulses of amplitude +A and -A with duration T. The sample value for uniform distribution of random variable T_d is t_d probability density function defined by

Find autocorrelation function of x(t).