ANALOG ELECTRONICS QUIZ

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

Bandwidth

CMRR

Slew rate

Open-loop gain

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Reverse recovery current in a diode depends upon

Temperature.

Forward field current.

PIV.

Storage change.

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In the constant-current region, how will the IDS change in an n-channel JFET?

As VGS decreases ID decreases.

As VGS increases ID remains constant.

As VGS decreases ID remains constant.

As VGS increases ID increases.

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If the base supply voltage increase, the Q point moves

up.

nowhere.

down.

off the load line.

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The output voltage of an emitter follower is across the

load resistor.

DC collector resistor.

emitter diode and external AC emitter resistance.

emitter diode.

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To prevent a DC return between source and load, it is necessary to use

Resistor between source and load

Inductor between source and load

Capacitor between source and load

Either A or B

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Relaxation Voltage controlled oscillators are used to generate

Triangular wave

Sinusoidal wave

Sawtooth wave

Both B and C

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In CE configuration, the input V-I characteristics are drawn by taking

VBE versus IB for constant value of VCE.

VCE versus IC for constant value of IE.

VBE versus IB for constant value of IC.

VBE versus IE for constant value of VCE.

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Binary Logic is mainly based on arithmetic operation and

addition operations

logical operations

subtraction operations

both A and B

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The following are the necessary requirements of an oscillator

Both A and B

Frequency stability

Amplitude stability

Power stability

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