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.
Found in English documentation, this timer produces an audio signal at the end of the timing. The...
This circuit is from a 90s Popular Electronics. The circuit employs a ZN461E that is not a common...
This circuit combines several white noise generators for testing transmission equipment. The...