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.

800 Hz Sine Oscillator (CB25580E)
In this phase shift circuit, the transistor can be any general-purpose transistor. The circuit is from...
Genera-Purpose Alarm (CB10326E)
This simple circuit was obtained from Popular Electronics in December 1990. The magazine no longer...
Oscilloscope Scanning (CB20119E)
This circuit was found in an old American documentation. Its purpose is a proportional scanning signal...