This circuit was found in a 1980s American documentation. The data circuit has a low speed, according to the components used. Transistors support modern equivalents.
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...