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Residual Measurement Fundamentals
The Calibration Options
3. After the phase noise system reads the beatnote, set the software to the
same carrier frequency.
4. Adjust the phase difference at the phase detector to 90 degrees
(quadrature) either by adjusting the synthesizer or by adjusting an
optional variable phase shifter or line stretcher. Quadrature is achieved
when the meter on the front panel of the phase noise interface is set to
zero.
8-20 Agilent Technologies E5500 Phase Noise Measurement System
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