D/A converter unconnected to earth or any other potential

摘要

The conversion with different factors provides numerous digital data with different levels. An output device selects a digital data dependent on signal quality of the input data, while the other digital data are attenuated below a preset noise level Several D/A converters convert the digital data into analog signals, whose level is converted into the original level by a reconverter. The reconverted analog signals are processed by an adder, and an attenuator processes the IF and HF components of the analog signals.