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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Rating of transistor
Temperature
Size of emitter
Doping of base

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Analog Electronics
An amplifier using an opamp with slew rate SR=1v/µsec has a gain of 40db.if this amplifier has to faithfully amplify sinusoidal signals from dc to 20 KHz without introducing any slew-rate induced distortion, then the input signal level must not exceed

39.5mV
795mV
395mV
79.5 mV

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Analog Electronics
If (211)X = (152)8, then the value of base x is

 9
 5
 6
 7

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Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

 doping
 intrinsic
 extrinsic
None of these

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Analog Electronics
Semiconductor Diode is used as

 a modulator
 an oscillator
 an amplifier
 a rectifier

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Analog Electronics
Which types of device is the diode ?

 Insulator
None of these
 Semiconductor
 Conductor

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