Based on Texas Instruments documentation, this circuit is based on the BQ2000 a circuit used to power LEDs. The circuit can be used with lithium-ion batteries.
This circuit is from Radio Electronics from the 90s. It supplies a voltage between 800 V and 2 000...
This audio detector circuit can be used for cable identification. We found it in a Popular...
This highly sensitive circuit was found in a 1967 General Electric SCR manual. Equivalent...