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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
Oscillators 305
10
PRINT "PROG 265"
20
PRINT "MULTIVIBRATOR"
30
INPUT "ENTER CI IN MICROFARADS" ; CI
40
INPUT "ENTER Rl" ; Rl
50
INPUT "ENTER C2 IN MICROFARADS" ; C2
60
INPUT "ENTER FREQUENCY" ; F
70
LET X=.7*F*R1*C2/10
A
6
80
LET Y=.7*F*C1/10
A
6
90
LET R2=(l-X)/Y
100
PRINT "RESISTANCE R2 = " R2
"OHMS"
Example 18 Calculate the value of C\ for a multivibrator having
R
x
= 50 a, R
2
= 200 ft, C
2
= 0.2
|xF,
f
Q
= 12 987 Hz.
0.7/
o
d/?
2
= 1 - 0.7f
o
C
2
R
x
c
_ 1 -
0.7/oC^!
1
0.1f
o
R
2
0.7 x 12 987 x 0.2 x 10"
6
x 50 = 0.09
0.7 x 12 987 x 200 =
1
818 180
(1 - 0.09) x 10
6
Ci
= ixF
1 818 180
= 0.5 |xF
10
PRINT "PROG 266"
20
PRINT "MULTIVIBRATOR"
30
INPUT "ENTER
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Publisher Resources

ISBN: 9781483101132