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.

Darlington Photo Trigger with Reset (CB14659E)
We found this circuit in the Texas Instruments opto-electronics manual. The button resets and the...
Motorcycle Anti-Theft (CB17083E)
This circuit is from a 1992 documentation, but the components used can still be easily assembled. The...
Medium wave booster (CB9171E)
This interesting amplifier for frame antenna for the medium wave range was found in a Popular...