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P1DB COMPRESSION POINT

P1DB COMPRESSION POINT

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TABLE 1 GPS/GALILEO/GLONASS L1/E1 FRONT-END SPECS
TABLE 2 SOME SUPPORTED TCXO AND DIVIDER VALUES
TABLE 3 GLONASS/B1I IF FILTER DESIGN PARAMETERS
TABLE 4 P1DB COMPRESSION POINT
TABLE 5 COMPARISON
A CMOS 65nm RF Front-End for L1/E1 GPS/Galileo/GLONASS/BeiDou2 Signals - 通吃各類衛星 65奈米CMOS射頻前端定位更準
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  • Aug 2015
This paper presents a low-power RF front-end designed for GNSS signals in L1 band, implemented on 65nm CMOS technology. In GNSS mode, it draws about 19mA (14.5mA in GPS/Galileo mode) on external voltage supply at 1.2V, with power consumption of roughly 23mW. The device integrates a two-stage high performance low noise amplifier (LNA), an automatic...
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... to test points placed at the VGA output, the behavior of both IF chains (GPS/GAL and GLONASS/B1I) have been measured and validated. In particular, for both chains the P1dB compression points (Table 4), the frequency response ( Fig.6 and Fig.7), image frequency and interference rejection, minimum and maximum gain and the AGC functionality have been taken into account and validated. Almost all target specifications have been achieved for GPS/Galileo chain, while few differences are present for the GLONASS/B1I chain. ...