Low Frequency Doubler MC1556G (CB14564E)

This circuit is from Motorola's 1990 Linear Databook. The circuit employs a component that is no longer common today.

VU-Meter (CB10589E)
This circuit was published in an English magazine from 1977, but it can be easily assembled since...
Adjustable Regulator from 7 to 20 V 7805 (CB15335E)
The maximum current of this circuit is 1 A. The circuit is from Motorola Linear Interface ICs from...
Hendset Inductive Pickup Link 2 (CB4527E)
This circuit is a handset receiver that picks up the signal emitted by a coil under the rug or...