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.

Bipolar stepper motor control (CB8456E)
Found in a 90s Popular Electronics, this circuit uses common components. The power transistors can be...
LED driver (CB20550E)
Found in the documentation on PCs, this circuit excites LEDs whose current is determined by R3....
90 V regulator using PUT (CB8473E)
Found in a 1990s Motorola documentation, this high voltage circuit uses a PUT that is not a common...