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STB5600 ? GPS RF FRONT-END IC ONE CHIP SYSTEM TO INTERFACE ACTIVE ANTENNA TO ST20GP1 MICROCONTROLLER COMPLETE RECEIVER USING NOVEL DUAL CONVERSION ARCHITECTURE WITH SINGLE IF FILTER MINIMUM EXTERNAL COMPONENTS COMPATIBLE WITH GPS L1 SPS SIGNAL INTERNALLY STABILISED POWER RAILS TQFP32 CMOS OUTPUT LEVELS FROM 3.3 TO 5.9V SUPPLY VOLTAGE MARKING TQFP32 PACKAGE STB5600 TRACEAB. CODE DESCRIPTION ASSY CODE The STB5600, using STMicroelectronics HSB2, High Speed Bipolar technology, implements a Global Positioning System RF front-end. PIN CONNECTION (top view) The chip provides down conversion from the GPS (L1) signal at 1575 MHz via an IF of 20MHz to an output frequency of 4MHz suitable for ST20GP1 GPS processor. It uses a single external reference oscillator t... See More ⇒