This detector uses an unusual sensor today. The circuit is from an 80s documentation. Its sensitivity is 10 ppm. The transformer has two secondary voltages.
This configuration can be found at several points in this section. This was obtained in an old...
We find this circuit in American documentation from the 1980s. The accuracy of the circuit depends on the...
We find this circuit in a 1980s documentation. The circuit is for SSB modulation and the...