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Analog Electronics

Analog Electronics
Acceptors impurities are of ________ material

 solid
 Both A and B
 p-type
 n-type

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Analog Electronics
The current gain of a BJT is

gm / r0
gm r0
gm /rπ
gm rπ

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Analog Electronics
A differential amplifier is invariably used in the i/p stage of all OP-amps.This is dome basically to provide the OP-amps with a very high

Open-loop gain
CMRR
Bandwidth
Slew rate

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Analog Electronics
Which of the following is trivalent impurity ?

None of these
 Antimony
 Silicon
 Boron

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Analog Electronics
Voltage controlled oscillators are used commonly in

 All the above
 Frequency Modulators
 Phase Clocked loops
 Pulse Modulators Frequency Modulators Phase Clocked loops

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Analog Electronics
The following relationship between α and β are correct except

  β = α / (1 - α).
  1 - α = 1 / (1 + β).
  α = β / (1 - β).
  α = β / (1 + β).

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