Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

What is sampling theorem?

22 57327

What is impulse response?

10 21503

Explain the advantages and disadvantages of FIR filters compared to IIR counterparts.

Flextronics,

3 29478

What is CMRR? Explain briefly.

5 22098

What do you mean by half-duplex and full-duplex communication? Explain briefly.

9 21623

Which range of signals are used for terrestrial transmission?

2 16549

What is the need for modulation?

Analog Devices, BSNL, HAL, Hathway, ICT, Kekran Mekran, KPIT, Microsoft, Nokia, SCSVMV, SRK, TATA, TCS,

82 310445

Which type of modulation is used in TV transmission?

ACC, Cognizant, College School Exams Tests, LG, TCS, Videocon,

38 145528

Why we use vestigial side band (VSB-C3F) transmission for picture?

BPL,

16 68370

When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency?

2 14110

For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit?

IBM, Wipro,

2 12133

BPFSK is more efficient than BFSK in presence of noise. Why?

Accenture, Osia Electronics,

1 16277

What is meant by pre-emphasis and de-emphasis?

BEL, BSF,

24 112225

What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

College School Exams Tests, Infosys, Persistent, TCS, Wipro,

16 85858

What do you mean by ASCII, EBCDIC?

11 33627

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Un-Answered Questions { Electronics Communications }

Define lock-inrange, capture range, and pullintime of a pll

1073

what should i prepare for an airport authority of india's interview for ATC post? I have interview in next week. so, Please help me out.

2139

from 12v,100ma power supply how an i get 5v,1amp draw the power supply diagram

2250

Explain the application of using flyback converter.

1014

What is a sample and hold circuit? Where it is used?

968

What is a rectifier, what are its various types?

984

Explain what is a latch?

1024

What is its magnitude for ge and si?

1083

define inter-base resistance

1152

In a binary data sequence, the duration of symbol 0 or 1 is 1ms. If a carrier of freq 4khz is used in ask, what is the minimum transmission bandwidth required? What is min bandwidth?

890

4. How are the wattmeter readings equal in 2 Wattmeter method at UPF? Establish the condition mathematically?

1361

What are the two types of cyclo-converters?

1064

send me cutoff of surat nit for m.tech

3134

what are the questions asked by genpact in all rounds?

2371

if UT=4v & V LT=-2v the hysteresis voltage is equal to....?

2140

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