Found in a 303 Circuits from the 90s, this circuit converts signals from the 10 kHz to 150 kHz band to the 4.01 to 4.15 MHz band.
We found this transformer-isolated control circuit in a June 1995 Electronics Now. The triac must...
This TTL circuit for PC was found in an English documentation from 1992. The integrated circuit used...
We found this circuit in a Popular Electronics from the 90's. The circuit uses three SCRs to...