The circuit presented is a documentation for radio amateurs from 1978. Implemented with common CMOS and linear components, it indicates CMOS logic levels.
Found in a 90s Radio Electrconics, this circuit is an operational one with a power stage using two...
Found in a Hands-On Electornics, this touch biestable can control loads that depend on the SCR....
The frequency of this astable depends on the capacitor that can be changed over a wide range of...