Preb. C1: Choose the Fig. I shows an oscillator circuit using 555 timer, with R, 2K, Ra" 180 V 12 V, and C-0.7215pF. Assume the diode is ideal, then The charging time (T) (in ms) The duty cycle (ratio) 3 The frequency of the output signal (in Hz) If the diode is disconnected, then 5 The discharging time (T) (in ms) The duty cycle (ratio) The frequency of the output signal (in Hz)
Preb. C1: Choose the Fig. I shows an oscillator circuit using 555 timer, with R, 2K, Ra" 180 V 12 V, and C-0.7215pF. Assume the diode is ideal, then The charging time (T) (in ms) The duty cycle (ratio) 3 The frequency of the output signal (in Hz) If the diode is disconnected, then 5 The discharging time (T) (in ms) The duty cycle (ratio) The frequency of the output signal (in Hz)
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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Transcribed Image Text:Preb C1: Choose the
Fig. I shows an oscillator circuit using 555 timer, with R, 2K), Ra
1K0 V 12 V, and C-0.7215pF. Assume the diode is ideal, then
The charging time (7) (in ms)
The duty cycle (ratio)
The frequency of the output signal (in Hz)
1
2
3
If the diode is disconnected, then
4
S
6
The discharging time (7) (in ms)
The duty cycle (ratio)
The frequency of the output signal (in Hz)
Ra
+Ver
Discharge
Threshold
Trigger
Ground
Fig. 1
Reses
+Vcc
555 Output 2
6
10-4
오
V=
A
1.25
0.375
666,7
1.5
0615
500
B
0.5
0.667
307.8
1.75
0.6
307.8
Fig. 2
C
1.0
0.333
500
0.5
0.5
400
D
0.75
05
400
1,0
0.75
666.7
J
Your
ans.
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