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Newnes Circuit Calculations Pocket Book
book

Newnes Circuit Calculations Pocket Book

by Thomas J. Davies
April 2016
Intermediate to advanced content levelIntermediate to advanced
384 pages
12h 56m
English
Newnes
Content preview from Newnes Circuit Calculations Pocket Book
Transistor amplifiers
281
Note that
A
n
=
(0.9875)
2
x 1000
20
= 48.75
Note also that
(0
A
P
(ii)
/
c
=
A
v
Ai
(A
{
= h
{b
)
= 49.375
x
0.9875
=
48.75
h
fh
V
in =
h
fb
V
eb =
0.9875
x 0.08
20
R\n
n
ib
= 3.9 mA
(iii)
V
RL
=
I
C
R
L
= 3.95 x KT
3
x 10
3
= 3.95 V
^fb^in^L ^fb^eb^L
3.95
x
10"
3
A
w
=
0.9875
x 0.08 x 1000
(iv)
A
V
(v)
A
p
20
hfbR
L
_ h
{b
R
L
0.9875
x 1000
R\n
h\b
20
ti
b
R
L
h}
b
R
L
0.9875
2
x 1000
R\n
h\b
20
=
3.95
V
= 49.375
= 48.75
10 PRINT "PROG
238"
20 PRINT "COMMON BASE
A.C.
CONDITIONS"
30 INPUT "ENTER
VEB IN
VOLTS"
: VEB
40 INPUT "ENTER
IE IN
MILLIAMPS"
; IE
45
LET
HIB=VEB*10*3/IE
46 PRINT "INPUT RESISTANCE
^ "
IIIB "OHMS"
50 INPUT "ENTER
VCB IN
VOLTS"
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Publisher Resources

ISBN: 9781483101132