This circuit is from Motorola's Linear Interface ICs from 1993. The MC1723 is the equivalent of the well-known 723. The transistor supports equivalents.
Suggested by General Electric in 1965 documentation this circuit is intended for the 120 Vac...
This very high impedance circuit was found in documentation from the 1990s. The configuration can...
Found in the 1969 neon lamp documentation, using neon lamps this circuit provides 18 V regulated...