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Canadian Advanced Exam Question Bank

effective 4/01/2007

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A-002-07: Amplifier circuits - discrete and IC

A-002-07-01: What determines the input impedance of a FET common-source amplifier?

The input impedance is essentially determined by the gate biasing network

The input impedance is essentially determined by the resistance between the source and substrate

The input impedance is essentially determined by the resistance between the source and the drain

The input impedance is essentially determined by the resistance between the drain and substrate



A-002-07-02: What determines the output impedance of a FET common-source amplifier?

The output impedance is essentially determined by the drain resistor

The output impedance is essentially determined by the drain supply voltage

The output impedance is essentially determined by the gate supply voltage

The output impedance is essentially determined by the input impedance of the FET



A-002-07-03: What are the advantages of a Darlington pair audio amplifier?

High gain, high input impedance and low output impedance

Mutual gain, high stability and low mutual inductance

Mutual gain, low input impedance and low output impedance

Low output impedance, high mutual impedance and low output current



A-002-07-04: In the common base amplifier, when the input and output signals are compared:

the signals are in phase

the output signal lags the input signal by 90 degrees

the output signals leads the input signal by 90 degrees

the signals are 180 degrees out of phase



A-002-07-05: In the common base amplifier, the input impedance, when compared to the output impedance is:

very low

only slightly higher

only slightly lower

very high



A-002-07-06: In the common emitter amplifier, when the input and output signals are compared:

the signals are 180 degrees out of phase

the output signal leads the input signal by 90 degrees

the output signal lags the input signal by 90 degrees

the signals are in phase



A-002-07-07: In the common collector amplifier, when the input and output signals are compared:

the signals are in phase

the output signal leads the input signal by 90 degrees

the output signal lags the input signal by 90 degrees

the signals are 180 degrees out of phase



A-002-07-08: The FET amplifier source follower circuit is another name for:

common drain circuit

common source circuit

common mode circuit

common gate circuit



A-002-07-09: The FET amplifier common source circuit is similar to which of the following bipolar transistor amplifier circuits?

Common emitter

Common collector

Common base

Common mode



A-002-07-10: The FET amplifier common drain circuit is similar to which of the following bipolar transistor amplifier circuits?

Common collector

Common emitter

Common base

Common mode



A-002-07-11: The FET amplifier common gate circuit is similar to which of the following bipolar transistor amplifier circuits?

Common base

Common mode

Common collector

Common emitter





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A-002-08: Operational amplifiers, properties and applications
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