zener diode as a voltage regulator
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Zener diodes are widely used as voltage references and as shunt regulators to regulate the voltage across small circuits. When connected in parallel with a variable voltage source so that it is reverse biased, a Zener diode conducts when the voltage reaches the diode's reverse breakdown voltage.
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- thethe voltage across zener diode remains constant equal to the wizard when it is operated in zener diode. this fact is utilised in application of zener diode as voltage regulator.
- the the voltage regulator circuit should keep load voltage constant in instead of change in its input voltage or load current and temperature.
- thethe series resistance is connected to limit the total current drawn from and regulated DC supply.
- designer dark glitter is shunt type voltage regulator because the control element that is zener diode is connected in parallel with load resistance.
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