We found this circuit in the February 1987 issue of Radio Electronics magazine. It is based on an integrated RCA triac trigger available at the time. The circuit powers 4 incandescent lamps.
The integrated circuit used in this 90's circuit is not common today, but the configuration can be...
We found this circuit in a 1976 publication for radio amateurs. It was originally intended for use in...
We found this high input impedance, low output impedance amplification stage in the October 1993...