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Electronics Communications Interview Questions
Questions Answers Views Company eMail

What is a rectifier?

1121

What is tristor?

1138

What is a base station?

1297

Explain am and fm.

1111

Where do we use am and fm?

1120

Difference between mobile and a cell phone.

1126

What is a repeater?

1217

State sampling theorem.

1128

Explain full duplex and half duplex.

1062

Name the modulation techniques.

1152

What is modulation? And where it is utilized?

1239

Give an Example for negative feedback and positive feedback?

1129

What is stop band?

1185

What is a feedback?

1049

Which type of charges present on the two opposite faces of the junction?

1379


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

how can i get old question papers and solved problems of vtu university karnataka...... if u know plz do reply

3382


What is effective communication?

2385


How many maximum slots we can use in ESMA card?

2086


how to use single phase supply for 3 phase instrumentation

2268


can we calculate the voltage level for microwave energy which is using for our mobile communication?

2882


What are gprs services?

1149


What is fbus protocol?

1067


What is ssb modulation?

1128


What is meant by thermal stabilization?

1109


Explain why does all cellular networks have same shape of sim? Why is it designed in such a particular shape? Does it have any other shape?

1031


Which of the two semiconductor materials si or ge has larger conductivity at room temperature? Why?

1367


What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

2137


Can any one share the training will be in Viven embedded academy Hyderabad for Advanced embedded systems course???

2452


How to convert design gray to binary code?

1227


what is associate law?

1199