This simple SCR trigger was found in a 1965 General Electric SCR manual. The circuit makes use of a diac, and the transistor supports an equivalent.
This high current regulator with low voltage drop was found in the datasheet of the used...
Found in a 1974 Ferranti transistor manual, this circuit drives a sensitive 12V relay in...
This simple source is indicated for voltage regulators of 5 A x 12 V as the one found in CB17141E. The...