Found in a 1964 Electronic Design, this circuit for 300 mA loads uses components from that period. It produces a rapid load control trigger.
This switched DC / DC converter operates at a frequency of 6 kHz and its output is only a few tens...
This circuit is from an American publication from the 60's. The transistors are made of germanium. It...
The LM3909 tone generator integrated circuit of this application is uncommon nowadays. The circuit...