Frequency Doubler MC1595L (CB14589E)

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

Antenna tuner (CB6982E)
This circuit for receiving or transmitting low power was found in old American documentation. It is...
Noise canceler (CB8774E)
Suggested by the 90s ARRL Handbook edition, this circuit aims to reduce or cancel noise at the...
Adapted from capacitance (CB25301E)
This circuit allows you to read capacitances on a common analog instrument. It is part of an...