PROCLIVIT CLUSTER TABLE 3

ELECTRONIC DEVICE CIRCUITS

100

As the Temperature Increases the value of V_CE ______

Decreases

200

The point of intersection of D.C and A.C load line represents ______

Operating point

300

In a transistor amplifier circuit V_CE = V_CB + ____

V_BE

400

 In a tansistor, IC = 100 mA and IE = 100.2 mA. The value of β is …………

200

500

The relation between β and  α is …………..

β = α / (1 – α )

SIGNALS & SYSTEMS

100

DTFT (Discrete time Fourier Transform) of  𝛿(n) is

one (1)

200

Aliasing effect can be eliminated by using ________ filter.

Anti aliasing filter

300

Convolution of a signal x(t) with a unit impulse  𝛿(t) is

x(t)

400

Determine the fundamental time period of cos(80πt)?

T = 1/40 sec

500

What is the Nyquist sampling rate for f(t) = cos(100πt) + cos(200πt) ?

f_m = 100         f_s = 2f_m      

f_s = 200

ANALOG & PULSE CIRCUITS

100

The Efficiency of class B power Amplifiers is ________

78.5%

200

Transconductance Amplifier is also known as ________

Series -Series feedback Amplifiers

300

Series resonant frequency of crystal is_______

f_s = 1/2π(LC)^1/2

400

The value of K is 5then what is the value of h_fe (hybrid parameter ) in RC phase shift Oscillator ?

48.8

500

Calculate new bandwidth gain ,if gain is 10% , bandwidth is 50kHz and voltage gain is 20?

150kHz

ELECTRO MAGNETIC WAVES & TRANSMISSION LINES

100

The voltage standing ratio in terms of reflection co-efficient is ______

1+|ρ | / 1 - |ρ |

200

For Ultra high frequency lines, the attenuation constant is ______

α = 0

300

The leakage current in the transmission lines is referred to as the _______.

a) resistance    b) radiation     c) conductance     d)polarisation

c) conductance

400

Laplacian equation of a scalar is :

div(grad V) = ∇ ² V

500

The terminating load of ultra high frequency transmission line having characteristic impedance of 50∠ 0⁰ Ω  working at 300MHz is Z_R  = (50+j 50) Ω . calculate the reflection co-efficient?

ρ = 0.448∠63.44⁰

DIGITAL LOGIC CIRCUITS

100

How many halfadders are required to construct a full adder?

2 half adders

200

If A and B are the inputs of a half adder, then the sum is given by 

A XOR B

300

The resulting circuit of a 2 NAND gate are connected together is 

NOT gate

400

PAL contains fixed_________ and programmable_________arrays (gates).

OR  , AND

500

When both inputs of SR latches are low, the latch output is ______

No Change