Oscillator HA7210 (CB22402E)

This circuit is from an old documentation and can be used to generate signals in different frequency bands.

Tremolo (CB12400E)
This circuit was found in a Hands-On Elctronics from 1987. The field effect transistor admits...
Alternate VCO (CB25756E)
This VCO with the CMS 4046 was found in the August 1994 Electronics Now magazine. The frequency is...
Universal Motor Control with Timer (CB5416E)
This SCR circuit was found in an American 1980s documentation. The circuit is still current,...