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Transistor Tuned Amplifiers

The Q of a tuned amplifier is generally _________________?

August 11, 2021December 21, 2018 by admin
The Q of a tuned amplifier is generally _________________?

A. Less than 5
B. Less than 10
C. More than 10
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?

August 11, 2021December 21, 2018 by admin
For frequencies below resonant frequency, a series LC circuit behaves as a _____________ load?

A. Resistive
B. Capacitive
C. Inductive
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

Tuned class C amplifiers are used for RF signals of________________?

August 11, 2021December 21, 2018 by admin
Tuned class C amplifiers are used for RF signals of________________?

A. Low power
B. High power
C. Very high power
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

Double tuned circuits are used in ____________ stages of a radio receiver?

August 11, 2021December 21, 2018 by admin
Double tuned circuits are used in ____________ stages of a radio receiver?

A. IF
B. Audio
C. Output
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________________?

August 11, 2021December 21, 2018 by admin
In the double tuned circuit, if the mutual inductance between the two tuned circuits is decreased, the level of resonance curve ___________________?

A. Remains the same
B. Is lowered
C. Is raised
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

In parallel resonance, there is _______________?

August 11, 2021December 21, 2018 by admin
In parallel resonance, there is _______________?

A. Both voltage and current amplification
B. Voltage amplifications
C. Current amplification
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling?

August 11, 2021December 21, 2018 by admin
If a high degree of selectivity is desired, then double-tuned circuit should have ___________ coupling?

A. Loose
B. Tight
C. Critical
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load?

August 11, 2021December 21, 2018 by admin
For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load?

A. Capacitive
B. Resistive
C. Inductive
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

In series resonance, there is__________________?

August 11, 2021December 21, 2018 by admin
In series resonance, there is__________________?

A. Voltage amplification
B. Current amplification
C. Both voltage and current amplification
D. None of the above

Categories Transistor Tuned Amplifiers Leave a comment

Frequencies above ______________ kHz are called radio frequencies?

August 11, 2021December 21, 2018 by admin
Frequencies above ______________ kHz are called radio frequencies?

A. 2
B. 10
C. 50
D. 200

Categories Transistor Tuned Amplifiers Leave a comment
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