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A comment on Homemade GPS Receiver (2013). Parent comment

Re:Homemade GPS Receiver (2013) by TheOtherHobbes on Tuesday June 26, 2018 @04:16AM (#17398758)
XLR is bipolar/differential. It sends +sig and -sig on the two conductors.

The receiver inverts -sig and adds it to +sig.

Any noise appears in both lines and is subtracted to zero, leaving 2 * sig.

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Re:Homemade GPS Receiver (2013) by jacquesm on Tuesday June 26, 2018 @10:07AM (#17400679)
Exactly.
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