GPS RF front-end chip for L1 band

The MARBLE GPS-RF is a complete global positioning system receiver from antenna to IF digitized output. The complete signal path from LNA input to quantizer output including LNA, Mixer, IF amplifier, image reject filter and channel selective filter is implemented on-chip in 0.18m CMOS technology, eliminating almost all external components.

The synthesizer blocks including VCO, PFD, charge pump, and divider are all on-chip except for Loop Filter passive components. The chip provides down-conversion from the 1575.42 MHz GPS (L1) signal to 4.092 MHz output signal.

The MARBLE GPS-RF is available in a space-saving 48-pin TQFP package and is specified for the extended ( -40oC to +85oC ) temperature range. The pin count can be reduced to 24-pin upon request.

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