February 9, 2007

This instructable shows how to build your own RF probe. The parts needed might already be in your parts bin! “Probe for measuring in the Radio Frequency range built inside an earphone jack, designed to have minimum capacitance and complete shielding. What is needed: A diode. Germanium point contact, OA79 or 1N34 is the preferred and traditional choice. But a modern substitute will be a schottky (gold bonded) diode. These