Phase Measurement - REW - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 2 Old 08-14-16, 04:58 PM Thread Starter
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Phase Measurement - REW

Is there a way in REW to look at the instantaneous phase angle value of something (using a single tone sine wave as a tone)? I need to perfectly match the phase angle of two devices and was hoping I could do this via REW.
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post #2 of 2 Old 08-16-16, 02:04 PM
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Re: Phase Measurement - REW

Not easily - what would it be relative to? All delays along the path from signal generation to signal capture and analysis contribute phase shift. To be meaningful would typically need to capture signals from the input and output of a device and compare them (two-channel FFT style), REW doesn't offer that although the impedance measurement setup allows something similar to be done since one input channel is a direct loopback and the other comes from the load impedance being measured, might be able to make pseudo-impedance measurements with a device in place of the load and generate a phase plot that way.
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