This circuit was found in a General Electric documentation from 1970. Equivalent transistors can be used. The maximum signal frequency for the indicated components is 250 kHz.
The same basic audio oscillator as the CIR15855E can be modulated automatically by a relaxation...
This configuration was found in a 1988 documentation. It is a touch lift drive system. The circuit...
We found this simple timer in a Raytheon documentation from the 60s. The transistor is made of...