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Analog Electronics
book

Analog Electronics

by Ian Hickman
October 2013
Intermediate to advanced content levelIntermediate to advanced
342 pages
16h 43m
English
Newnes
Content preview from Analog Electronics
Radio-frequenci; circuits 197
Aerial
IF strip
RF stage
(if fitted)
Mixer
IF amplifier
IF amplifier
RF tuned
circuit(s)
(if fitted)
OO
Mixer
tuned
circuit(s)
(if fitted)
oo
oo
Θ
Band-pass
IF filter
Local
oscillator
(may be
synthesized)
oc
oo
Band-pass
IF filter
AF
Audio amplifier
\
τ
Loudspeaker
Detector
and AGC
rectifier
Oo
AF output
stage
AGC
filter
(a)
Figure
8.7 Supersonic heterodyne (superhet) receivers.
(a) Single-conversion superhet. Several filters may be used throughout the IF strip.
(b) Double-conversion superhet, with synthesized first local oscillator and second local oscillator both crystal reference
controlled.
way, except of cours ...
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Publisher Resources

ISBN: 9781483162287