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.
This amplifier was found in an 80s component manual. The circuit can be used for media recovery....
This is a bridge for the measurement of low value resistances and high values too. The circuit...
This digital mixer uses CMOS integrated circuits. The circuit was published by us in a magazine...