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Recent content by jack_zhang

  1. J

    a question for Car Navigation System

    I think now GPS module technique is mature,a GPS module include the RF&Baseband.So the most important thing we have to do is follow thing. 1:select a high performace SAW 2:select a high performace LNA 3:select a appropriate ANT For GPS signal is faint,during design we must control the Noise...
  2. J

    [SOLVED] how to design GPS receiver`s ANT

    hello,everyone! I want know how to design GPS receiver`s ANT(PCB LAYOUT)? Somebody says that the place under the GPS ANT must be vacancy on other layers? Thank you for your answer.

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