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 from Linear Technology documentation from the 80's. Powered by 5 V it...
We found this circuit in a 1967 Electronic design. However, it can be easily implemented even...
This circuit serves to prevent devices powered by 6 V from being left with a power cut. The...