Frequency Doubler MC1595L (CB14589E)

We found this circuit in Motorola's Linear Databook in 1990. The component used is not common today.

Vehicle Immobilizer II (CB1424E)
We find this circuit in an American publication of 1978. It is intended only for cars that have...
High current dimmer (CB7214E)
In fact, this dimmer can be used with currents up to 1.5 A according to the General Electric...
Commercial Receiver TS 600 (CB18378E)
This 6-transistor transistor radio was manufactured in Japan in the 1960s. It is a portable...