1-6 Keysight M937xA PXIe Service Guide
General Product Information
Error Terms
1-
Performing Measurement Calibration
1. Connect a test cable to Port 2.
2. Perform a full 2-port calibration. Refer to Help if necessary.
Using Flowgraphs to Identify Error Terms
Flowgraphs are a graphical representation of signal flow through the
measurement path. The flowgraphs in Figure 1-1 and Figure 1-2 illustrate the
error terms associated with measurement calibration for 1-port and 2-port
configurations respectively.
Figure 1-1 Flowgraph of 1-Port Error Terms for Port 1
Where:
E = Error term
Subscript:
D = Directivity
S = Source Match
R = Reflection Tracking
The error terms are the same for a 1-port measurement on Port 2 (S
22
).
Follow ESD-safe practices when working with the network analyzer. For
more information, refer to Chapter 1 in the M937xA Startup Guide,
viewable online at
http://literature.cdn.keysight.com/litweb/pdf/M9370-90001.pdf
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