A CE amplifier is also called _______________ circuit?
A. Grounded emitter
B. Grounded base
C. Grounded collector
D. None of the above
Single Stage Transistor Amplifiers
If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?
If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be_______________?
A. High
B. Very high
C. Moderate
D. Low
The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?
The radio wave picked up by the receiving antenna is amplified about _________________ times to have reasonable sound output?
A. 1000
B. A million
C. 100
D. 10000
The ratio of output impedance of a CE amplifier is _______________?
The ratio of output impedance of a CE amplifier is _______________?
A. About 1
B. Low
C. High
D. Moderate
The purpose of a coupling capacitor in a transistor amplifier is to ___________________?
The purpose of a coupling capacitor in a transistor amplifier is to ___________________?
A. Increase the output impedance of transistor
B. Protect the transistor
C. Pass a.c. and block d.c.
D. Provide biasing
An amplifier has a power gain of 100. Its db gain is ________________?
An amplifier has a power gain of 100. Its db gain is ________________?
A. 10 db
B. 20 db
C. 40 db
D. None of the above
In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?
In order to get more voltage gain from a transistor amplifier, the transistor used should have_________________?
A. Thin base
B. Thin collector
C. Wide emitter
D. None of the above
In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?
In the d.c. equivalent circuit of a transistor amplifier, the capacitors are considered__________________?
A. Short
B. Open
C. Partially short
D. None of the above
The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
The purpose of emitter capacitor (i.e. capacitor across RE) is to ______________?
A. Avoid voltage gain drop
B. Forward bias the emitter
C. Reduce noise in the amplifier
D. None of the above
The purpose of d.c. conditions in a transistor is to___________________?
The purpose of d.c. conditions in a transistor is to___________________?
A. Reverse bias the emitter
B. Forward bias the collector
C. Set up operating point
D. None of the above