Electronic Engineering Glossary Terms

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Voltage Multipliers. Use either a Full-wave or Half-Wave rectifier
circuit that outputs a DC voltage that is four times the peak voltage of the
input AC voltage. Any size voltage multiplier may be produced by cascading the
circuits shown below together.
The capacitors need to be sized to handle the
maximum voltage. The input capacitors should be rated at least 30 percent higher
than the required voltage, per standard Capacitor
Derating Guidelines.

Voltage Doubler. A rectifier circuit that outputs a DC voltage
that is twice the peak voltage of the input AC voltage. The voltage
doubler circuit rectifies each half cycle of the AC input voltage and
combines the recified voltages using the capacitor to produce twice the
peak amplitude of the input AC voltage.

Voltage
Doubler

Voltage Tripler. A Half-Wave Voltage Tripler uses three diodes to
produce a DC output that is three times the peak AC input. The voltage rating of
capacitor C1 should be rated at the input AC voltage, and the voltage ratings of
capacitors C2 and C3 should be twice the AC voltage.

Half-Wave
Voltage Tripler

Voltage Quadrupler. A Full-Wave Voltage Quadrupler uses four diodes.
Capacitor C1 and C2 should be rated at the input AC voltage, and the voltage
ratings of capacitors C3 and C4 should be twice the AC voltage.

Full-Wave
Voltage Quadrupler

A common method to show voltage multipliers is to place the diodes at an
angle on the schematic, however some engineering departments may not allow this
particular configuration.

Half-Wave
Voltage Quadrupler

High-Order Voltage Multiplier;
Voltage multipliers may be
produced by cascading the diode circuits together. There is no limit to
the size of a voltage multiplier.

The voltage ratings of the input
capacitors should be rated at the input voltage [AC], while all the other
capacitors should be sized at twice the input voltage [2x AC] regardless
of the size of the multiplier.

Each of the diodes should be rated
at twice the AC voltage.

Full-Wave
Voltage
Quadrupler

Voltage Multipliers

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1N6100
Diode Array

Modified 4/01/12
Copyright © 1998 - 2015 All rights reserved Larry
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