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

The combination of Lumped elements form________ elements.

Distributed elements

100

Aliasing effect occur in ____________ sampling case.

under sampling

100

Oscillators converts________ voltage to ________voltage.

DC voltage to AC voltage

100

The operating point is also called the _________ point.

Saturation point

100

PLA REFERS TO:

PAL REFERS TO :

PROM REFERS TO:

PROGRAMMABLE LOGIC ARRAY

PROGRAMMABLE ARRAY LOGIC

PROGRAMMABLE READ ONLY MEMORY

200

Condition for the standing wave is :

ZS ≠  ZO       

ZS = Source Impedance

ZO = Characteristic Impedance

200

The Ramp function can be obtained by applying integration to__________function.

Unit Step

200

If Input and feedback are different terminals then the circuit has ______mixing.

Series

200

Thermal Runway is occurs when Transistor is _________

Not biased

200

The 3*8 decoder will have ______ inputs.

3 (three inputs)

300

Which line is most appropriate for Impedance matching?

λ/4 line

300

Convolution of a signal x(t) with unit impulse  𝛿 (t+t0) is __________

x(t+t0)

300

Calculate the total Harmonic Distortion  if D2 =0.01, D3 = 0.2, D4 = 0.001?

20%

300

The ratio of reverse resistance to the forward resistance in the germanium crystal diode is about ___:___

40000:1

300

how many types of registers? what are they? (tell any two)

4 types.

Series Input Series Output (SISO)

Series Input Parallel Output (SIPO)

Parallel Input Parallel Output (PIPO)

Parallel Input Series Output (PISO)

400

State the equation of Divergence theorem.

∮_s▒〖 A.ds= ∫_v▒(∇.A)dv〗

400

Determine the fundamental time period of sin(60πt) :

T = 1/30 sec

400

DC Input power of Harmonic Distortion is________

Pdc = Vcc - 2I/π 

400

The base resistor method is generally used in ______ circuits

switching circuits

400

In a positive edge triggered JK Flipflop, a low J and low K produces _________

No change

500

An Open wire Telephone line has R = 10 Ω/km , L = 0.04 H/m, C = 0.008*10-6 F/Km, G = 0.4 * 10-6 Ω-1/km .Determine the characteristic impedance?

ZO = 0.7336* 10∠ -10.620 

500

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

ZT [ x(-n) ] = X(Z-1)

500

Calculate the second harmonic component B2 if (VCE)max = 25 ,(VCE)min = 5, (VCE)= 10?

B = 2.5 V

500
The value of stability factor the base resistor bias is________

β+1

500

The counter which requires maximum number of flipflops for a given MOD number is :

Ring Counter

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