This circuit indicates the intensity of RF signals up to more than 00 MHz and can be used as a test for transmitters. Any double port MOSFETs can be used. Consumption is very low which allows battery power. Capacitors must be ceramic.

This circuit indicates the intensity of RF signals up to more than 00 MHz and can be used as a test for transmitters. Any double port MOSFETs can be used. Consumption is very low which allows battery power. Capacitors must be ceramic.