3. Assume the 555 astable multivibrator în Figure 6 is operating from +15 V. What voltage range do you expect to see across capacitor C1?

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3. Assume the 555 astable multivibrator in Figure 6 is operating from +15 V. What voltage range do you
expect to see across capacitor C1?
Transcribed Image Text:3. Assume the 555 astable multivibrator in Figure 6 is operating from +15 V. What voltage range do you expect to see across capacitor C1?
+5.0 V
555
18
R1
7.5 k
Ve
RESET
DIS
3
R2
10 k
THRESH
OUT
Output
TRIG
CONT
GND
0.01 pF
00l uF
Figure -6
1. Construct the astable multivibrator circuit shown in Figure 6.
2. Using an oscilloscope, measure the frequency and duty cycle of the circuit and record it in following table.
Frequency
Duty Cycle
3. With the oscilloscope, observe the waveforms across capacitor C; and the output waveform at the same time. Sketch
the observed waveforms.
Capacitor waveform:
Output waveform:
Transcribed Image Text:+5.0 V 555 18 R1 7.5 k Ve RESET DIS 3 R2 10 k THRESH OUT Output TRIG CONT GND 0.01 pF 00l uF Figure -6 1. Construct the astable multivibrator circuit shown in Figure 6. 2. Using an oscilloscope, measure the frequency and duty cycle of the circuit and record it in following table. Frequency Duty Cycle 3. With the oscilloscope, observe the waveforms across capacitor C; and the output waveform at the same time. Sketch the observed waveforms. Capacitor waveform: Output waveform:
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