This simple circuit for switching RF signals was found in an RF Design from the 90s. The circuit operates from 10 to 1 000 MHz and is 50 dB insulated.
This simple circuit uses a zener diode and two LEDs to indicate whether the voltage of a power grid...
The configuration shown in the figure uses two PNP transistors to activate the load when the input...
This detector is from the 1990 Motorola Dataar Databook, but can be adapted to work with more...