With this circuit it is possible to measure RF signals with a common multimeter. Signals up to 200 MHz can be detected. The diode supports general-purpose equivalents.
This circuit was obtained in a magazine for radio amateurs 73 of the 90s. The circuit is based on...
This circuit, which appears from other sources in this section, allows you to control a load...
We found this circuit in Electronics Now magazine from 1996. The frequency is basically given by...