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Vane Attenuator and VSWR

Question asked by lhiga on May 29, 2009
Latest reply on Jun 1, 2009 by lhiga

  We've been looking at different methods calibrating this device.  More specifically determining VSWR for this device, the first method
utilizes a SWR bridge, the next method utilzes a scalar analyzer.  Both these methods uses a ratio method.  The SWR method takes the squareroot of the ratio Vmax and Vmin. 
The scalar analyzer method takes SWR and divides it by the input signal (R/A).  How would I do it on a E8364B VNA?  Are all these different methods equivalent?