The LED frequency flashes depends on the value of the capacitor tested according to the table. We found this circuit in a Popular Electronics from the 80s.
The inverter circuit shown in the figure provides a voltage of around 110 V with a rectangular waveform...
November 2016 - NXP ARM Cortex microcontrollers for serial interfacing applications, NXP 32-bit...
May 2017 - Torex's XBP14E5UFN, an array of TVS circuit protection diodes with only 0.8 pF of...