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WorksheetsRadio Transmitters
Total questions: 10
Worksheet time: 2mins
Which of the following circuits is not typically part of every radio transmitter?
carrier oscillator
driver amplifier
mixer
final power amplifier
Class C amplifiers are not used in which type of transmitter?
AM
SSB
CW
FM
The maximum power of typical transistor RF power amplifiers is in what range?
Milliwatts
Watts
Hundreds of Watts
Kilowatts
Neutralization is the process of
cancelling the effect of internal device capacitance
bypassing undesired Alternating Current
reducing gain
eliminating harmonics
Maximum power transfer occurs when the generator impedance Zi is equal to the load impedance Zl
True
False
Which of the following is not a benefit of a toroid RF inductor?
no shielding required
fewer turns of wire
higher Q (gain)
self-supporting
Impedance matching in a broadband linear RF amplifier is handled with a(n)
L network
Parallel tuned circuit
Pi network
Balun
Which of the following is not a benefit of speech-processing circuits?
improved frequency stability
increased average output power
limited bandwidth (BW)
Prevention of overmodulation
In an AM transmitter, a clipper circuit eliminates
harmonics
splatter
overdeviation
excessive gain
In a speech-processing circuit, a low-pass filter prevents
overdeviation
overmodulation
high gain
excessive signal bandwidth (BW)
