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STMicroelectronics' STA5620 is a fully integrated RF front-end
IC able to downconvert the GPS L1 signal from 1575.42 MHz to 4.092
MHz. The STA5620 provides the baseband with sign, magnitude and
a 16.368 MHz sampling clock, so it can work with both 1- and 2-bit
GPS processors. The on-chip oscillator supports crystal frequencies
from 10 MHz to 40 MHz. The STA5620’s good noise figure and
linearity ensure an excellent reception even in critical environments.
The chip, using ST Microelectronics’ BiCMOS SiGe technology,
is housed in a QFN32 package. The STA5620 is also 2 kV HBM ESD
protected.
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