Tightly-coupled PCB GNSS circuit and manufacturing method
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United States of America Patent
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May 24, 2011
Grant Date -
Apr 2, 2009
app pub date -
Sep 26, 2008
filing date -
Sep 27, 2007
priority date (Note) -
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Abstract
A tightly-coupled printed circuit board (PCB) circuit includes components mounted on a PCB enabling smaller integrations using decoupled lines extending between reference layers, such as ground planes, form isolation islands on the PCB. The decouplers are capacitors, inductors and/or resistors in tandem with ground layers of the PCB. The isolated components can comprise high-frequency RF antennas and receivers, for example in a GNSS antenna-receiver circuit. Multiple antennas can be connected to one for more receivers with multiple, independent RF front end components by RF traces, which are either embedded within the PCB between the ground planes, or by surface microstrip antenna traces.
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