This circuit is from an old RCA documentation. The circuit sources a charging current of 1 A and is intended for the 6 V lead acid battery used in some cars of the era.
This amplifier uses a 1975 integrated circuit, which is uncommon today. The circuit has a gain of 30...
Using junction FETs, a configurable configuration is achieved for very low frequencies. FETs can...
This 2-terminal regulator was obtained from a 1990s National Semiconductor manual. The components admit...