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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
403
so tuned circuits
in the
form
of
quarter-wave 'lines'
as
described
in
Sec.
16.10 are
used.
Fig.
22.16
shows
a
typical arrangement,
in
which
Lj is the
input
tuned circuit consisting
of a
quarter-wave
rod
which
is the
inner
conductor
and the
surrounding metal screen (shown dashed)
is the
outer conductor.
It is
inductively coupled
to the u.h.f.
antenna feeder
on
one
side
and to the
emitter
of the
common-base transistor
on the
other.
The
collector
is
connected
to a
tapping
on the
output tuned
circuit
L
2
. The d.c. is fed
through
a
choke coil that prevents
the
signal voltage from being short-circuited. Note that
all the
feeds pass
through
th
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Publisher Resources

ISBN: 9781483105574