Found in a 90’s 73 magazine for radio amateurs, this circuit provides a few milliamps of output with -15 V from a 3 V input, when the consumption will be 10 mA.
This circuit appeared in the November 1995 issue of Electronics Now magazine. The circuit uses...
This circuit was found in an 80's Electronic Engineering. The circuit uses operatives of the time...
We found this circuit in a 1965 Electronic Design. The transistors are from the era, and modern...