This circuit with the LM741 operational amplifier can be applied to other operational amplifiers. We found it in the September 1989 Radio Electronics magazine.
We found this circuit in a 1976 documentation. The FET can be BF245 or MPF102 and the power supply...
This second mixer version is an improvement on CIR10339 using independent FETs for the inputs. The number...
The circuit presented was obtained in a technical documentation from National Instruments. The...