This circuit was found in a Motorola documentation from 1968. The load current is 10 A. The components used are from that time and information about the transformer is not given.
This circuit was found in a 1965 General Electric documentation. SCRs and unijunction may be...
The BA1404 integrated circuit (not very easy to obtain) consists of a complete stereo FM...
This circuit is from a Radio Electronics documentation from July 1959. In this documentation the...