DC Power Supply


Overview

An electronic power supply, often referred to somewhat incorrectly as an AC adaptor, is an electronic device that produces direct current of a particular voltage and current from a source of electricity such as a battery or wall-socket power. The direct current (DC) is usually used to power the internal circuits of an electronic device, such as a computer.

A simple AC powered linear power supply uses a transformer to convert the alternating current from the wall to the desired voltage. An array of diodes then rectifies the alternating current to direct current. Finally, a low-pass filter smooths out the high-frequency ripple that is left after the rectification.

Important dc power supply products:

Manufacturer Model Condition Description Specs
1620A New 1620A
1621 New 1621
1621A New 1621A
1623 New 1623
1688 New 1688
1689 New 1689
1690 New 1690
1710A New 1710A
1760 New 1760
1790 New 1790
1791 New 1791
1795 New 1795
1796 New 1796
205B-10R 3rd party pre-owned Not-on-file(other-mfr) 205B-10R
205B-10R New 205B-10R
205B-10R 3rd party pre-owned Not-on-file(other-mfr) 205B-10R
205B-10R 3rd party pre-owned Not-on-file(other-mfr) 205B-10R
205B-10R 3rd party pre-owned Not-on-file(other-mfr) 205B-10R
205B-10R 3rd party pre-owned Not-on-file(other-mfr) 205B-10R
205B-10R 3rd party pre-owned Not-on-file(other-mfr) 205B-10R
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DC Power Supplies by different manufacturers: