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Electronics Communications Interview Questions
Questions Answers Views Company eMail

What is the equivalent of negative logic and gate?

981

What frequency bands are used in satellite communication?

1093

The function of a transistor used in any of the ics is to perform switching action and not amplification. Then why diodes are not used instead of transistors as diodes also exhibit the same switching action?

1153

Why does sidebands vl come in case of analog modulation?

1031

Can we get light when the circuit is working?

987

Why cannot we use leds for rectification purpose?

1028

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?

933

What is transponder? Give the difference between transducer and transponder?

1122

How to measure frequency without cro?

1050

Explain at what voltage does land line telephone operate?

1030

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?

971

Tell me how to calculate knee point voltage? Describe its purpose for differential protection.

1052

Tell me why is 400 hz used for flight instruments and radio transmission system in aviation industry universally?

982

Noise with uniform power spectral density of n0w/hz is passed through a filter h (w) = 2 exp(-jwtd) followed by an ideal low pass filter of bandwidth bhz. What is the output noise power in watts?

1277

Tell me in a mosfet, what does the pinch off voltage refers to?

1038


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

Explain how to identify how many states the ripple counter is having by looking at the figure as it can also have some invalid states?

907


Wht is meant by booy strap?

2237


Which frequency would a frequency-counter count , if it is connected to an antenna that is recieving several frequencies close to each other in amplitude?

2258


Define what is the significance of the arrow-head in the transistor symbol?

1418


will you provide me NTPC exam?

2245


plz give the question about interview to the post JR.Executive (ATC)

2707


Wats da diff b/w ithernet communication and profibus communication?

2069


What is full-adder?

1048


5. What is the maximum transmit power of FlexiEdge BTS

2096


What are the properties of roc for z-transform?

1142


My lcd monitor not showing boot screen[dos]. Whenever I start the pc it shows blank screen till the windows xp starts. will you help me to solve this ?

2138


What is the main purpose of power electronics?

1043


please can any one send me BHEL ECE sample papers

2219


Explain what is the meaning of tristate signal in electronics?

1052


How many type of resistor are there in diode?

971