Found in the CQ radio amateur magazine, this circuit generates a standard 100 kHz signal. The circuit is from 1965 and can be made with modern equivalent transistors.
This circuit was found in the Raytheon transistors manual from the 1960s. The circuit uses...
This circuit was found in a 1970s RCA publication. Transistors support modern equivalent types....
This circuit for automotive use was found in American documentation from the 90s. The circuit uses...