• 25 V R D, D2 RL 12 V- 8 V= - 25 V

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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• 25 V
R
D,
D2
RL
12 V-
8 V=
- 25 V
Transcribed Image Text:• 25 V R D, D2 RL 12 V- 8 V= - 25 V
Expert Solution
Step 1

Observe the given circuit. The diodes are attached to the positive and negative terminals of the battery respectively. This circuit can be used as a noise elimination circuit.

Assume that all the diodes are ideal.

Step 2

Consider the positive half-cycle of the applied voltage, as the voltage at the anode of diode D1 is more than 12 V the diode D­1 will be forward biased and the voltage of 12 V will be applied to the load resistor. Before reaching 12 V the output voltage will follow the input voltage.

Similarly, for the negative half cycle, till the applied voltage at the cathode of diode D2 is less than 8 V the diode D­2 will be reversed biased and the input voltage will be applied to the load resistor. As the applied voltage exceeds 8 V the output will become -8 V because -8 V will be applied across the load resistor as soon as the diode D2 is forward biased.

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