This circuit was found in a 1967 RCA manual. The transistors are of the time. The adjustment is made to read 7.15 V on the charged battery and the charging current is 3.2 A.
This interesting circuit, found in a 1984 documentation, captures stations in the FM band and...
This circuit is from a 1967 General Electric SCR manual. The circuit supports other SCRs depending...
This simple low current source for the bench was found in ancient American documentation. The...