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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
163
0.50 0.55 0.60 0.65 0.70
BASE
VOLTAGE,
]/
ff
y
Fig. 10.13 1
B
/V
B
characteristic for a fixed value of V
Q
(0.5 V)
that it is equal to I
c
+ I
B
. As both of these flow into the n-p-n
transistor, I
E
must flow out of it. And as I
B
is normally very much
less than I
c
, I
E
\s approximately equal to 7
c
but a little larger.
10.9 Transistor Parameters
The most obvious differences between the 7
C
/K
C
curves in Fig. 10.10
and the corresponding ones for a valve (Fig. 10.2) are the very rapid
rise of I
c
followed by a nearly flat top. In a triode valve there is a
plentiful supply of electrons emitted by the cathode, and the amount
of anode current depends on how
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Publisher Resources

ISBN: 9781483105574