
Derive From Double Sided Spur
Introduction
The Derive From Double Sided Spur method is one of the most accurate
Detector Constant Calibration methods available. However, it requires
additional equipment and presents a high level of technical difficulty.
This calibration method requires the generation of modulation sidebands
(AM).
The sideband (spur) level relative to the carrier level (dBc) and
the spur offset frequency must first be determined using an RF spectrum
analyzer or modulation analyzer. You will be required to define the
relative level and offset frequency values in the Calibration Process display
either during the measurement definition or when you reach the Connect
Diagram.
The system measures the spur level at the output of the detector and
calculates the Detector Constant.
Calibr Process: AM Noise 2-93
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