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.
The purpose of this circuit is to allow common analog multimeters to measure low resistances, on...
This is the circuit of the N-201 commercial multimeter of the analog type. The circuit is from...
This receiver was found in the Radio Electronics magazine of March 1953. It tunes to the medium wave...