This 1.5W tube amplifier was found in an American documentation from 1947. It is a direct rectification circuit without the need for a power transformer.
We found this circuit in a 1974 integrated circuit manual. Operational amplifiers can be of...
This oscillator can be used as a CIock-Triggered for various electronic applications. Oscillation only...
This circuit called “surf man” was published in the August 1992 Radio Electronics magazine. It...