The MAX2745 is a compact, single-chip, RF front end for global positioning systems (GPS). The chip supports third overtone crystal designs in 32-MHz and fundamental-frequency crystal designs in 16-MHz in addition to temperature-controlled crystal-oscillator implementations. The MAX2745 is available in an extended temperature-range (40°C to 85°C), 48-pin TQFP. Prices start at $4.78.
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