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Why my HMC544 can not switch RF by control A/B

Question asked by robin.liu on Dec 2, 2015
Latest reply on Dec 3, 2015 by s.ilke

i use HMC544 for GPS application, switch the external antenna and inside antenna RF, i found the signal seems been mixed by HMC544, i can not turn off one of them via control A/B logic, who can help me? thanks a lot!

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