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ANALOG ELECTRONICS

Analog Electronics
If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be

5.2mA
3.2mA
2.3mA
4.6mA

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Analog Electronics
Which of the following is not associated with a p-n junction

Channel length modulation
Depletion capacitance
Charge storage capacitance
Junction capacitance

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Analog Electronics
The cascade amplifier is a multistage configuration of

CC-CB
CB-CC
CE-CC
CE-CB

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Analog Electronics
An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are

fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz
fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz
fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz
fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz

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Analog Electronics
Negative feedback in an amplifier

Increase frequency &phase distortion
Increases noise
Reduces bandwidth
Reduces gain

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