Analog Electronics - ECE Questions and Answers

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Which of the following statement is false?

The zener diode is uses as a constant voltage source

The SCR is a silicon rectifier with a gate electrode to control when current flows from cathode to anode

The gate electrode in the FET corresponds to the collector in a bipolar transistor

None of the above

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The configuration of figure is a

Hartley oscillator

Precision Integrator

Wienbridge oscillator

Butterworth high pass filter

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The voltage gains of an amplifier without feedback and with negative feedback respectively are 100 and 20. The percentage of negative feedback would be.

40%

20%

80%

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In a CE amplifier circuit, the output voltage

is very small

is always constant

depends on β

none of the above

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CMOS is widely used in

digital wrist watches

analog circuits

high power circuits

all of the above

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Oscillation frequency in colpitt's oscillator is

none of these

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A JFET can operate on

enhancement mode only

depletion mode only

both depletion as well as enhancement modes

neither depletion nor enhancement mode

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Which of the following is the point of reference JFET?

Drain

Gate

Source

None of the above

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A Darlington pair consist of

two CB amplifiers

two CC amplifiers

two cascaded CC amplifiers

two cascaded CE amplifiers