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Foundations of Wireless and Electronics, 10th Edition
book

Foundations of Wireless and Electronics, 10th Edition

by M. G. Scroggie, S. W. Amos
October 2013
Intermediate to advanced content levelIntermediate to advanced
570 pages
27h 46m
English
Newnes
Content preview from Foundations of Wireless and Electronics, 10th Edition
384
Set
tuned
to:
Oscillator
at:
I.F. signal
due
to
200
kHz
signal
(wanted)
I.F. signal
due
to
1,137
kHz
signal
(interfering)
Difference
(pitch
of
whistle)
kHz
195
196
197
198
198}
199
200
201
202
203
kHz
665
666
667
668
668|
669
670
671
672
673
kHz
465
466
467
468
468}
469
470
471
472
473
kHz
472
471
470
469
468j
468
467
466
465
464
kHz
7
5
3
0
3
5
7
9
An example
of
how second-channel interference
is
produced
21.7 Whistles
A superheterodyne
is
liable
to
certain types
of
interference from
which
an
ordinary
set is
free.
The
most noticeable result
of
these
is a
whistle, which changes
in
pitch
as the
tuning control
is
rotated,
as
when using
a
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Publisher Resources

ISBN: 9781483105574