Give an approximate sketch of the expected voltage waveform vi(t) for the circuit shown in Figure 7. The source produces a sinusoidal waveform with a maximum voltage of 12.6 V. Assume that the diode has a turn-on voltage of 0.7 V and that the reverse saturation current is approximately zero. D 12.6 V AC 2 ΚΩ VL VL volts Figure 7- Half-Wave Rectifier Now suppose a capacitor C is connected in parallel with the load as in Figure 8. Calculate a suitable value for C so that the RC time constant is about ~ 0.02 seconds.
Give an approximate sketch of the expected voltage waveform vi(t) for the circuit shown in Figure 7. The source produces a sinusoidal waveform with a maximum voltage of 12.6 V. Assume that the diode has a turn-on voltage of 0.7 V and that the reverse saturation current is approximately zero. D 12.6 V AC 2 ΚΩ VL VL volts Figure 7- Half-Wave Rectifier Now suppose a capacitor C is connected in parallel with the load as in Figure 8. Calculate a suitable value for C so that the RC time constant is about ~ 0.02 seconds.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Give an approximate sketch of the expected voltage waveform vi(t) for the circuit shown in
Figure 7. The source produces a sinusoidal waveform with a maximum voltage of 12.6 V.
Assume that the diode has a turn-on voltage of 0.7 V and that the reverse saturation current is
approximately zero.
12.6 V AC
2 ΚΩ
C
Figure 7- Half-Wave Rectifier
Now suppose a capacitor C is connected in parallel with the load as in Figure 8.
Calculate a suitable value for C so that the RC time constant is about ~ 0.02 seconds.
-2 ΚΩ
+
Give an approximate sketch of the expected v₁(t) waveform when C is added to the
circuit. Qualitatively speaking, what is the role of a capacitor in this circuit?
+
VL
VL
VL volts
VL volts
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