The circuit presented is a documentation for radio amateurs from 1978. Implemented with common CMOS and linear components, it indicates CMOS logic levels.
This circuit produces a sound effect that can range from the sound of a bird to a siren. The...
With 8 to 30 V power supply, the output power depends on both the voltage and the load. The...
This reset circuit was found in a 90s Popular Elctronics. It is used to protect sources, turning...