Light Emitting Diode Operation
July 9, 2016
The symbol for an LED is shown in Figure. The basic operation of the light-emitting diode (LED) is as follows....
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Varactor Diode Operation
July 9, 2016
The junction capacitance of diodes varies with the amount of reverse bias. Varactor diodes are specially designed to take advantage of...
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Zener Diode Limiter
July 9, 2016
Zener diodes can be used in ac applications to limit voltage swings to desired levels. Below Figures shows three basic ways...
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Zener Diode Voltage Regulator Operation
July 9, 2016
The zener diode can be used as a type of voltage regulator for providing stable reference voltages. In this section, you...
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Zener Diode Breakdown Characteristics
July 9, 2016
The symbol for a zener diode is shown in Below Figure. Instead of a straight line representing the cathode, the zener...
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Short Notes on Rectifiers & Filters
July 8, 2016
The device which operates at above 30V is called an electrical device and the device which operates with less than...
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How to Test a Diode using Multimeter
July 8, 2016
A multimeter can be used as a fast and simple way to check a diode out of the circuit. A good...
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Diodes Voltage Quadrupler
July 8, 2016
The addition of still another diode-capacitor section to a Voltage trippler, as shown in Below Figure, produces an output four times...
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Diodes Voltage Tripler
July 8, 2016
The addition of another diode-capacitor section to the half-wave voltage doubler creates a voltage tripler, as shown in Below Figure. The...
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Full Wave Voltage Doubler using Diodes
July 8, 2016
Voltage multipliers use clamping action to increase peak rectified voltages without the necessity of increasing the transformer’s voltage rating. Multiplication factors...
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