Found in a 1969’s EDN, this circuit provides 4.5 V with a 100mA current for digital logic. The circuit uses transistors from the era.
This circuit generates voltages of tens of thousands of volts for projects such as electrostatic filters...
This circuit was found in an old American documentation. The operational used is of the...
Rechargeable Nicad batteries type AA, C or D can be recharged with this circuit, which is nothing...