Dual LO receiver

Details Dual LO receiver Dual LO receiver

2009-01-21

2011-10-25

Tarcza, Thomas H. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

Reexamination Certificate

active

08044856

ABSTRACT:
A selectable frequency source for use in GPS receivers. A device in accordance with one or more embodiments of the present invention comprises at least one reference frequency source, a circuit, coupled to the at least one reference frequency source, and a mixer, coupled to an output of the circuit, for mixing a GPS signal with the output of the circuit, wherein a frequency output of the mixer is changed based on an input to the circuit.

REFERENCES:
patent: 6865276 (2005-03-01), Ljungberg et al.
patent: 7047023 (2006-05-01), Tso
patent: 7356388 (2008-04-01), Waugh et al.
patent: 2001/0044280 (2001-11-01), Samuels
patent: 2002/0054627 (2002-05-01), Asikainen
patent: 2008/0094108 (2008-04-01), Leon
patent: 2008/0204288 (2008-08-01), Anderson et al.
patent: 2010/0040184 (2010-02-01), Haralabidis et al.

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