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Integrated GPS Downconverter

This integrated circuit is intended for GPS receiver applications. The dual conversion design is implemented in Motorola’s low–cost, high–performance MOSAIC 5?silicon bipolar process and is packaged in a low–cost surface mount LQFP–48 package. In addition to the mixers, a VCO, PLL, Crystal Oscillator, A/D converter and a loop filter are integrated on–chip. Output IF is nominally 4.1 MHz.

?105 dB Typical Conversion Gain

?2.7 V Operation

?28 mA Typical Current Consumption

?Low–Cost, Low–Profile Plastic LQFP Package