6 V power supply with power zener (CB21531E)

This circuit provides 6.3V of output from a 9V input. The circuit was found in a Dutch publication from 1966.

Differential Oscillator (CB24160E)
This circuit was found in the September 1971 issue of Radio Electronics magazine. The capacitor and...
Negative voltage reference (CB21040E)
This circuit was found in NASA documentation from the 1990s. The circuit provides a precision...
555 LASER Diode Driver (CB21011E)
This pulsed circuit was found in documentation from the 1990s. The circuit has a wire...