5. In a superheterodyne receiver, a varactor diode: a) is placed in series with the tank inductor to provide tracking at the low end of a large frequency band. b) is placed in parallel with each section of the ganged capacitors of the tank to provide tracking at the high end of a large frequency band. is placed in an RF amplifier to provide for proper neutralization. is placed in a tank circuit to provide for electronic tuning. c) d)
5. In a superheterodyne receiver, a varactor diode: a) is placed in series with the tank inductor to provide tracking at the low end of a large frequency band. b) is placed in parallel with each section of the ganged capacitors of the tank to provide tracking at the high end of a large frequency band. is placed in an RF amplifier to provide for proper neutralization. is placed in a tank circuit to provide for electronic tuning. c) d)
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Please answer question 5, why is it that option?
Transcribed Image Text:### Multiple-Choice Questions on Superheterodyne Receivers
4. **In a superheterodyne receiver, the inputs to the Mixer stage are:**
a) IF amplifier and RF stage
b) IF amplifier and Local oscillator
c) Detector and RF stage
d) RF stage and Local oscillator
5. **In a superheterodyne receiver, a varactor diode:**
a) is placed in series with the tank inductor to provide tracking at the low end of a large frequency band.
b) is placed in parallel with each section of the ganged capacitors of the tank to provide tracking at the high end of a large frequency band.
c) is placed in an RF amplifier to provide for proper neutralization.
d) is placed in a tank circuit to provide for electronic tuning.
6. **A single stage that creates the LO signal and mixes it with RF to produce the IF is called:**
a) An autodyne mixer.
b) A cross-modulator.
c) A lattice modulator.
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