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Electronic Devices - Power Amplifiers

@ : Home > Electronic Devices > Power Amplifiers > General Questions

Exercise

"The secret to creativity is knowing how to hide your sources."
- Albert Einstein
1. 

This is an example of the output swing for a class ________ amplifier.

A. AB. B
C. ABD. C
E. D

2. 

Calculate VB2.

A. 0 V
B. 0.7 V
C. 9.3 V
D. 10.7 V

3. 

Class B operation is provided when the dc bias leaves the transistor biased just off, the transistor turning on when the ac signal is applied.

A. TrueB. False

4. 

The main features of a large-signal amplifier is the circuit's ________.

A. power efficiency
B. maximum power limitations
C. impedance matching to the output device
D. All of the above

5. 

The principal advantage(s) of BJTs over MOSFETs is (are) that

A. voltage drop across the transistor is important.
B. they are not as prone to ESD.
C. both of the above
D. none of the above




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