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

Electronics Communications Interview Questions

Questions Answers Views Company eMail

Why value of rx level is always negative?

Ericsson,

4285

How to select lightning arrester for line trap? What are the criteria?

2138

What is mean by Compression technic and its formula? How many types of adaptors are there? How adaptive algorithm works for speech compression using Cosine packet transform?

2054

What are the three services offered by GSM? Explain each of them briefly.

1 9041

What is the difference between Synthesised Frequency Hopping and Base Band Frequency Hopping?

3517

Which uplink/downlink spectrum is allocated to GSM-900?

1 5776

Which uplink/downlink spectrum is allocated to DCS-1800?

2371

How many carrier frequencies are there in GSM-900/DCS-1800? How much is the separation between the carrier frequencies?

2 10207

What is Ciphering? Why do we need it? Name the algorithm(s) used in it?

3 9138

What is Authentication? Why do we need it? Name the algorithm(s) used in it?

1 5087

What is equalisation? Why do we need it?

1 5017

What is Interleaving? Why do we need it?

2684

Why do we need digitisation?

3043

Explain Speech Coding.

3359

What is channel coding?

1940

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Un-Answered Questions { Electronics Communications }

Why do we use distinct polarisation (UL-H:DL-V) while uplinking and downlinking rather than same (UL-H:DL-H)?

1987

can u split the Point code switch(PC)

2317

What are the advantages and disadvantages of the k-map method?

1333

what is difference between hybrid model and h parameter model and what is technical use of h parameter model

4039

whats the reason behind SF fault on siemens PLC.please explain in detail.

1641

Where are the successive approximation type adc’s used?

1125

What is the difference between synthesised frequency hopping and base band frequency hopping?

6136

Explain what is associate law?

1131

sir i need a few nots of electronics component cicuit plz send me some nots

1911

What is full-adder?

1102

Explain the functioning of stage.

1130

In order to find out stack fault of a three input nand gate how many necessary input vectors are needed ?

5136

What are the facilities for evacuation/sheltering in nuclear submarrine when any nuclear accident takes place in submarrine?

2604

What is a low-pass filter?

1286

7. Orange LED on RRI card is glowing – what is the indication?

2429

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