Voltage reference (CB8466E)

Found in a 90s General Electric documentation, this circuit has a drain current of just 1.5 uA. The load current is 200 uA.

Stereo Volume Control LM13600 (CB19818E)
This circuit was found in the component's own manual, which is not very common nowadays. Note that...
DC DC Converter 18 V x 5 A (CB1232E)
The circuit shown is a Step-Down converter that can provide a 5 A output with 4 to 18 V inputs. The...
Programmed Shower (CB4448E)
This circuit, from a 1988 documentation, makes successive actuation of the shower to control the...