This circuit was found in a 90s Popular Electronics. It also serves for the analysis of microcontroller signals. The power comes from the circuit under test.
Depending on the transformer used, the power of this inverter can reach 300 W. This is a critical...
This circuit from an old American publication uses a 12 V transformer and an incandescent lamp in an...
This circuit with an unusual configuration was found in the January 1974 issue of Radio...