This dual-gate FET RF signal mixer circuit was found in a 1980s documentation. The circuit is intended for applications in superheterodyne receivers of the time.
We found this circuit in a 1992 magazine, but it can be easily assembled today because the...
This circuit has been found in an old documentation, but can be used as input shield for current...
In the figure we have the circuit of a sweep generator obtained in an old publication. The central...