ELECTRONIC DEVICES & CIRCUITS
SIGNALS &SYSTEMS
ANALOG & PULSE CIRCUITS
ELECTROMAGNETIC WAVES & TRANSMISSION LINES
DIGITAL LOGIC CIRCUITS
100

Operating point represents the values of _____and _______ when zero signal.

IC  , VCE

100

A good measure of  similarity between two signals X1(t) and X2(t) is known as :

Correlation

100

Phase Shift Between Vi and Vf of negative feedback is_________

1800

100

Transmission lines is a combination of ______Impedance and ________ Admittance.

Series Impedance and Shunt Admittance

100

Which gates would give output 1 when one input is 1 and other input is 0.

OR GATE  and  NAND GATE

200

RC Coupling is used for _______ amplification.

Voltage

200

what is the Condition for critical sampling?

fs = 2fm

200

Barkhausen proposed the basic condition of Oscillation is_________

magnitude of loop gain is unity  ( or)  total phase shift is 00 (or) 3600

200

What is the condition  for Lumped elements

λ>>L        [ wave length for greater than physical length]

200

How many fliplops are required to make MOD-32 binary counter?

5

300

For Faithful amplification by a transistor circuit , the value of VBE  should not be fall below _______V for a silicon transistor.

0.7 V

300

What is the bandwidth of base band signal where fH is the highest frequency component and fL is the lowest frequency component?

B.W = fH (highest frequency component)

300

Power Output due to distortion (Pac)D is ________________

(Pac)D = 1/2 B12RL(1+D2)

300

Find the curl of Gradient of scalar?

zero

300

Registers capable of shifting in one direction is called _________

Uni Directional shift register

400

The circuit that provides best stabilization of Operating point is __________ bias.

Potential Divider Bias

400

For a signal f(t) = 2cos(50πt) the fundamental time period 'T' is :

T = 1/25 sec

400

What is the Desensitivity if voltage gain is 500, β = 0.01?

6

400

For A Rectangular Coordinate system , the differential surface element is __________ 

ds=(dy dz ax )+(dx dz ay) + (dx dy az)

400

The flipflop which is called as Universal Flipflop is ______

J-K Flipflop

500

A Transistor is connected in CB mode . If it is not connected in CE mode with sam ebias voltage ,the values of IE,IB,IC will be_________ 

REMAINS SAME

500

If Z-transform of x(n) is X(Z) then Z-transform of x(n-k) is_______

ZT [x(n-k)] = Z-K X(Z)

500

A Colpitts Oscillator of C1 = 0.2μ F, C2 = 0.02μF, f0 = 10khz.Find the value of L?

14 mH 

500

A Telephone wire has R = 20Ω/km , L = 0.01 H/Km and C = 0.02 mF/Km and G = 0.2 μ℧ /km. Determine the propagation constant?

γ = 0.1405 +j 0.898
 

500

Which device is used to convert BCD to seven segments?

Decoder