Low power bipolar stabilizer 220 volts 200 milliamps. Scheme, description

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Low power bipolar stabilizer 220 volts 200 milliamps. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Surge Protectors

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I won't say much, I'll get straight to the point. Let's look at the diagram.

(click to enlarge)

The stabilizer is made on an integrated circuit KR142EN6. The microcircuit is a bipolar voltage regulator with output voltage +/-15 V.

Load current is 200 mA. Not enough, of course, but quite enough, for example, to power pre-amplifiers or pre-stage power amplifiers.

Diode bridge - any of the KTs407, KTs405, KTs402 series.

A transformer with two secondary windings, the voltage on each is 16V.

Publication: radiokot.ru

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