Found in an American documentation from the 90's, this circuit aims to light a neon lamp with voltages from 5 to 15 V. It is a small inverter that operates close to 15 kHz.
This well-known configuration was found in a 1982 publication. Other operational amplifiers can be...
Suggested by General Electric in 1965 documentation this circuit is intended for the 120 Vac...
Combined with the two previous circuits, we can create a simple multimeter with this circuit. The...