This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
We found this circuit in an old Linear Technology manual. It makes use of the LTC1329 and can be...
With this circuit, power cables can be detected by simply approaching PP. PP is an antenna or...
This protective circuit uses Shottky diodes on an International Rectifier PVI5033 and IRF7822...