This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is intended for applications in superheterodyne receivers of the time.
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...
This General Electric circuit was found in a 1964 documentation. The circuit triggers a relay when...
We find this circuit in a French publication of the 1980s. The circuit uses an unusual component which...