We found this circuit in a 1967 El3ectronics World. The transistors are from the era but can be replaced by current equivalents. The circuit is for 5 A loads.
This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends...
We found this TTL power supply circuit in the December 1972 issue of Radio Electronics magazine. The...
This circuit was found in an American documentation from the 1980s. The sensitivity ranges from...