This circuit is from Motorola's Linear Interface ICs from 1993. The MC1723 is the equivalent of the well-known 723. The transistor supports equivalents.
This circuit is from a 1974 publication. It generates a pulse with several sinusoidal cycles from...
This circuit was found in a Philips documentation from 1967. The circuit uses components from the...
This simple alarm was found in a 1982 documentation, but uses components that are still common,...