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#6
September 18th 03, 06:18 PM
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The chip's phase measurement transer function has a positive slope for phase angles less than 0deg and a negative slope for phase angles greater than 0deg. So it seems to me that resolving the 180 deg ambiguity is just a matter of knowing which slope you're on. This might be done by switching in a small known reactive component and observing which direction the phase output changes. Once you know which slope you're on, I think you're home free...no?? Do it the way you want to. W4ZCB |
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