This circuit is from a 1969 RE Experimenters Handbook. The circuit is powered by the voltage of the circuit being tested. Integrated circuits are current.
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...