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12v to 5v 100 mA Linear Regulator PUBLICA small, quiet, and simple regulator circuit to provide correct bias voltage to a dynamic microphone when replacing an electret microphone for amateur radio use. by w6wwr | updated August 22, 2025 |
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BetaReader PUBLICA circuit where the output is linearly dependent on the "beta" value of a NPN. by vanderghast | updated May 20, 2023 |
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Zener / Transistor Regulator PUBLICby serisman | updated June 06, 2013 |
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Zener Regulator PUBLICby serisman | updated June 06, 2013 |
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P_CH_I_REG PUBLICCurrent regulator based on P-Channel MOSFET. Adjust R1 to change current - voltage drop should equal Q2's V-EB threshold. by DennisT1 | updated April 01, 2013 |
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