We found this circuit in the June 1984 issue of Radio Electronics magazine. The circuit uses an integrated circuit that is not very common today.
The operational amplifier used in this application is uncommon today. This Raytheon circuit can be...
This conventional bistable power control circuit using triac was found in the June 1970 Radio...
This short-range experimental transmitter emits a signal with many harmonics, without modulation. It can...