Obtained in a 1969 Ferranti documentation, this circuit dissipates only 2.2 mW with 4.5 V. The circuit can be designed based on modern equivalent transistors.
This circuit was obtained in a Motorola manual, but it applies to almost any operational...
Found in a 1990s Motorola documentation, this circuit aims to protect a triac that drives an...
Found in a 1968 documentation, this small amplifier was very popular at the time being used in...