US 7,605,757 B1
Multiple signal receiver
David A. Gribble, Cedar Rapids, Iowa (US); Theodore J. Hoffmann, Hiawatha, Iowa (US); Jerzy K. Richter, Cedar Rapids, Iowa (US); Roger A Dana, Marion, Iowa (US); and Shannon D. Hauerwas, Cedar Rapids, Iowa (US)
Assigned to Rockwell Collins, Inc., Cerdar Rapids, Iowa (US)
Filed on May 31, 2007, as Appl. No. 11/809,239.
Int. Cl. G01S 1/00 (2006.01); G01S 13/00 (2006.01)
U.S. Cl. 342—385  [342/195] 18 Claims
OG exemplary drawing
 
1. A communications and navigational receiver, comprising:
an antenna;
a direct sampling radio frequency front end coupled to said antenna, the direct sampling radio frequency front end including a high pass filter with a cutoff frequency of 108 MHz and a low pass filter with a cutoff frequency of 137 MHz providing a digitized band between 108 MHz and 137 MHz;
a single analog to digital converter coupled to an output of said radio frequency front end;
a digital downconverter coupled to an output of said single analog to digital converter; and
a digital signal processor coupled to the digital downconverter, wherein said antenna, said direct sampling radio frequency front end, said single analog to digital converter, said digital downconverter and said direct signal processor are configured for simultaneously processing at least three signals, said at least three signals being at least one of communication signals or navigation signals.