Simple 24V 20 Amp Adjustable Power Supply Circuit

Here we will see how we can make a simple 20 amp 24V adjustable power supply circuit using an LM317 IC and  afew 2N3055 transistors configured in their emitter follower mode. This circuit is quite popular among vehicles or busses in which the batteries offer 24V including different things within the electrical circuit where 12V […]

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Simple Variable Power Supply Circuit for Benchwork

In case you assess the cost and the rating of this simple variable bench power supply you may receive a big surprise, as the output voltage and current tend to be totally variable between 0. . . 18 V and 0 . . . 1.8 A correspondingly and expenses have yet been maintained affordable. Referring […]

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Simple Dual Power Supply Circuit Without Center Tap

The article explains how to make a simple dual power supply circuit without using a center tap transformer rather any ordinary two wire transformer. This circuit is of interest not merely  because it uses a bell transformer  with a single secondary winding to  provide symmetrical voltages for  low-current applications but also  because the final output […]

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