FET simple mixer (CB8760E)

We found this simple mixer in a 90s Radio Electronics. The used FETs are still common. The inputs are high impedance.

Fuzz (CB12093E)
This fuzz effect is from a 1988 Italian publication, but it can be easily assembled, as the...
8-Channel Remote Control Via PC (CB18138E)
The circuit presented, from 2006, serves to control loads at a distance, robots, etc. It can be...
Medium impedance stage (CB20563E)
We found this circuit in an English publication from 1963. The circuit uses germanium transistors of the...