This circuit was obtained from an old Signalite documentation. Neon lamps are special types of the time. The operation occurs at low frequencies.
This receiver was found in a documentation by Gernsback from 1960. The circuit uses high impedance...
We found this circuit in a 70's RCA manual. The circuit provides 0.5 W power in the 700 MHz to 1...
This circuit for the positive front of a rectangular signal was found in an old documentation, but applies...