Signal analog processing circuit for satellite positioning receiver
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United States of America Patent
Stats
-
Feb 5, 2002
Grant Date -
N/A
app pub date -
Aug 2, 1999
filing date -
Jan 31, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An analog circuit for receiving satellite signals through an antenna. The circuit includes frequency transposition circuits and an analog/digital converter. Each frequency transposition circuit includes at least two frequency dividers of which due first is programmable so as to provide division ratios 140 and 143. The other divider provides one of the division ratios of 10 or 11. A third divider provides ratios of 3, 5, 7 or 8. These division ratios enable a single analog integrated circuit topography to allow a large number of possible applications including civil or military receivers operating on the GPS constellation or on the GLONASS constellation.
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