This circuit divides the frequency of a 2 kHz signal by 2. The circuit was found in Philips documentation from 1964. Modern transistors can be used for higher frequencies.
Suggested by a 90s Radio Elecrtronics, this circuit is intended to supply mobile equipment of the time....
With this name, we find in a documentation by Hugo Gernsback from 1960 this small transmitter for...
This circuit was found in a 1967 General Electric manual. It shows a SCR control with unijunction...