This old two-stage video amplifier uses integrated circuits that are not easily obtainable today. The circuit is for analog video and was found in an American 1980s documentation.
This good gain antenna up to 30 MHz was found in an American 1990s documentation. The circuit can be...
This circuit was obtained from an 80s factory manual. The integrated circuits used are uncommon...
The critical component of this circuit is the transformar. We found it in an 1980s documentation....