Broadband Balanced Mixer MC1556G (CB14563E)

We found this circuit in Motorola's Linear Databook in 1990. The integrated circuit used is no longer common today.

Debounced Switch (CB1524E)
We find this circuit in a 1978 documentation. The circuit uses two inverters of a 4049 integrated...
Two Transistor NOR Gate (CB19887E)
This NOR or NO-OR function circuit can be implemented with two or more general purpose...
PUT SCR control (CB13906E)
In the figure we have the way to control an SCR with a programmable unijunction transistor (PUT)....