Found in an Electronic Design of 1964, this circuit can control up to 20 SCRs in a trigger system powered by 24 V. The SCR supports a modern equivalent.
We found this circuit in a publication for radio amateurs in 1974. The bipolar transistors can be...
Found in a 1980s American documentation, this circuit has a current consumption of only 1 mA. The...
This adjustable power supply was found in Ferranti's transistor manual from 1974. Power...