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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
Trícks of the trade 301
NPN
Si
α—-9V
PNP
+9 V
Figure 11.22 Separation of DC and AC functioning is illustrated by this oscillating hfe tester.
not necessarily reduce the RFI, it will merely
change its frequency distribution; after all, the
energy associated with the switching transient has
to go somewhere. A resistor in series with the
capacitor can help enormously by damping the
energy and dissipating much of it as heat locally,
reducing both conducted and radiated emission. A
resistor of 30 to 50 ohms proves about optimum in
most cases.
A technique associated with extremums is the
separation of the AC and DC characteristics of a
circuit. The ...
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Publisher Resources

ISBN: 9781483162287