This RF circuit measures transmission power from 0.25 W to 10 W. The maximum frequency depends on the diode and the gauge is an analog instrument. A multimeter can be used instead.
In the diagram, from a documentation from the 90s, we have the way to use an SCR in a full wave...
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...
This circuit sequentially drives loads connected to its outputs or even applies the signals to the...