This Motorola circuit is from 1965. Collector currents must be 7 and 12 A for transistors. Equivalents may be used. The circuit is for contact breaker cars.
August 2017 - TPS4H00EVM Power Module Modules for Texas Instruments High Power Positive Side...
Suggested by Radio Electronics from the 90s, this circuit is suitable for NiCAd batteries with a...
This circuit has a logarithmic response as a function of the light falling on the sensor. The...