Answer / rinki

in buffer i/p impedance is infinite and o/p impedance is zero.
In a unity gain buffer voltage is transfered unchanged from input to output without any drop.so by using a buffer in a opam circuit we can drive large outputs.

What are rlc circuits?

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difference between USB net modem & GSM interface modem? Can we use usb modem in the place of GSM modem for wireless application? Also tell me Why we use AM for long distance communication but not FM(why do we use frequency reuse concept in FM radi only)

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What is memristor? How many modes it works? Also what is its advantage? How it differ from others & why the name evolve? & What is its uses?

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Plz send previous gate ece question papers with answers of 10 years to my email id .My id is seenu469@gmail.com .Thank u sir

0 Answers   Infosys,

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What is the difference between an ammeter and a voltmeter?

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can anybody tell me about the syllabus for management trainee post in HAL. I you have papers plz mail me and my mail id is sabithakanthi@gmail.com.

1 Answers   NFL,

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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?

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Define what are the charge carriers in p-type and n-type semiconductors?

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Sir how i can resolve my MTI problem ?

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What is a varactor diode?

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Is there any difference between the electronics and communication engineering and electronics engineering?

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