This Power supply sources from 500 to 1,000 mA according the transformar and was found in a publication of the year 1958. The diodes can be now the 1N4004 and the transistor should be mounted on a heatsink.
This interface was found in a Modern Electronics magazine from 1990. Although the circuit is...
E) Found in Popular Electronics from the 90s, this generator uses integrated circuits from that...
Found in 1967 General Electric documentation this circuit appears elsewhere in this section. SCRs are...