We found this circuit in an 80's EDN. The circuit makes use of a MAX680, being given a table with its operating characteristics.
This circuit, found in a publication of the year 1968, uses a MOSFET at the input to increase...
We found this circuit in the April 1996 issue of Electronics Now magazine. The circuit uses a...
We found this circuit in an old Radio Electronics. The transistors can be the BC548. The circuit...