This amplifier with fixed AC bias was found in a 1947 documentation. The circuit uses two transformers in the power supply and two full-wave rectifier tubes.
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...