Capacitor Filter

Troubleshooting a Power Supply Circuit

S Bharadwaj ReddyJune 4, 2017June 6, 2019

Troubleshooting is the application of logical thinking combined with a thorough knowledge of circuit or system operation to identify and correct a malfunction. A systematic approach to troubleshooting consists of three steps:...

Capacitor Filter Operation

S Bharadwaj ReddyJuly 18, 2016September 27, 2016

Capacitor filter. Fig. shows a typical capacitor filter circuit. It consists of a capacitor C placed across the rectifier output in parallel with load RL. The pulsating direct voltage of the...

Power Supply Circuit Fault Analysis

S Bharadwaj ReddyJuly 10, 2016April 14, 2019

In some cases, after isolating a fault to a particular circuit, it may be necessary to isolate the problem to a single component in the circuit. In this event, you have...

Basics of Voltage Regulator

S Bharadwaj ReddyJuly 9, 2016August 4, 2017

Voltage Regulator The 78XX series of linear voltage regulators provide positive fixed output voltages for a range of values. The last two digits in the part number indicate the output...

Short Notes on Rectifiers & Filters

S Bharadwaj ReddyJuly 8, 2016September 28, 2016

The device which operates at above 30V is called an electrical device and the device which operates with less than 30V is called electronic voltage. Even though the electronic devices...

Capacitor Filter Working Principle

S Bharadwaj ReddyJuly 7, 2016October 4, 2016

A half-wave rectifier with a capacitor-input filter is shown in Below Figure. The filter is simply a capacitor connected from the rectifier output to ground. RL represents the equivalent resistance of...

Basic DC Power Supply Circuit

S Bharadwaj ReddyJuly 6, 2016May 20, 2018

All active electronic devices require a source of constant dc that can be supplied by a battery or a dc power supply. The dc power supply converts the standard AC voltage available...

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