Encyclopedia > TRF

  Article Content

TRF

The Tuned Radio Frequency Receiver was invented by Edwin Armstrong.

(when?)

The process of amplifying an input signal on a given frequency over several stages. The disadvantage to this process being that each stage must be tuned to the input carrier frequency individually. Replaced with the Superheterodyne receiver also invented by Edwin Armstrong.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Jordanes

... the time of Justinian, he was a Christian and possibly bishop of Croton. In approximately 580, he wrote "De origine actibusque Getarum[?]" (The origin and deeds of the ...

 
 
 
This page was created in 30.5 ms