Q4 Find Rf and fr. 47M 4.7M

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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12:03 O
100%自
Sheet No3.pdf
Q4/ Find Rf and fr
R,
4.7M 47n
Q5/ How to change the frequency of oscillation of the following circuit to 10KH2?
22
IK O
Q.6/ Modify the sawtooth generator in figure below so that its peak-to-peak output is 4V. Is it a
VCO?
+12 V
100
2/3
47
-12
0.0022 uF
100
R
100
22i
Q.7/ To what value must Cext be changed in figure below to achieve a frequency of 25kHz?
+53 V
RESET
Vee
Voc
DISCH
555
THRESH
OUT
Transcribed Image Text:12:03 O 100%自 Sheet No3.pdf Q4/ Find Rf and fr R, 4.7M 47n Q5/ How to change the frequency of oscillation of the following circuit to 10KH2? 22 IK O Q.6/ Modify the sawtooth generator in figure below so that its peak-to-peak output is 4V. Is it a VCO? +12 V 100 2/3 47 -12 0.0022 uF 100 R 100 22i Q.7/ To what value must Cext be changed in figure below to achieve a frequency of 25kHz? +53 V RESET Vee Voc DISCH 555 THRESH OUT
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