Any electronic device that accomplishes downconversion

plural of downconverter

simple past tense and past participle of downconvert

present participle of downconvert

Third-person singular simple present indicative form of downconvert

(transitive) To convert (an audio or video signal, etc.) from a higher quality or resolution to a lower one.

(communication) A device that amplifies a high frequency band of radio spectrum and converts it to a lower frequency used in satellite communications.