Pulse motor control (CB20554E)

This circuit was found in the PC documentation from 1996. The maximum current of the motor is determined by the transistor.

600 mA Step down DC to DC Converter (CB15574E)
The circuit shown in the figure is suggested by Intersil (www.intersil.com) and makes use of the...
Negative Ion Generator (CB21000E)
This circuit was obtained from American documentation from the 1990s. The transformer can be a car...
Alternating Voltage Regulator (CB1581E )
National Semiconductor suggests the figure circuit for stabilizing the peak value of an...