The purpose of this 1967 Philips circuit is to produce a rectangular signal from a sharp pulse. The circuit makes use of an unusual component today as a base.
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...