Encyclopedia > Image rejection ratio

  Article Content

Image rejection ratio

Image rejection ratio: In reception using heterodyning in the tuning process, the ratio of (a) the intermediate-frequency (IF) signal level produced by the desired input frequency to (b) that produced by the image frequency.

Note 1: The image rejection ratio is usually expressed in dB. Note 2: When the image rejection ratio is measured, the input signal levels of the desired and image frequencies must be equal for the measurement to be meaningful. Synonym: image frequency rejection ratio.

Source: from Federal Standard 1037C and from MIL-STD-188



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
BBC News 24

... television channel. It first broadcast in November 1997 and at first only cable television subscribers could view it. In 1999, with the advent of digital televisio ...

 
 
 
This page was created in 36.2 ms