This low current source without a transformer is intended for applications where insulation is not important. The circuit has a 110 V (120 V) input and was found in old American documentation.
This circuit adjusts the drained current to values up to 20 A, allowing the testing of power...
We found this circuit in the October 1980 issue of Radio Electronics magazine. The circuit uses...
The microphone for this circuit, found in a 1967 Japanese documentation, must be ceramic or...