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Chapter 4
97
Calibration
Measurement Errors and their Characteristics
4. Cal
ibra
tion
Source match error (Es)
A source match error is caused when the reflection signal of the DUT reflects at the signal
source and enters the DUT again. When a certain port is a stimulus port, this error can be
defined as a constant value for each stimulus port because the state of the signal source
switch does not change. The number of source match errors in the E5070B/E5071B is
equivalent to the number of stimulus ports you use.
Es1
Source match error of port 1
Es2
Source match error of port 2
*1.Options 313, 314, 413, and 414 only
Es3
*1
Source match error of port 3
*2.Options 413 and 414 only
Es4
*2
Source match error of port 4
Load match error (El)
A load match error is caused when part, but not all, of the signal transmitted in the DUT
reflects at a response port is measured by the receiver of the response port. When a certain
port is a stimulus port, a load match error is defined for each of the other ports. Therefore,
the number of load match errors for the E5070B/E5071B is the total number of
combinations of stimulus ports and response ports.
El21, El31
*1
, and El41
*1.Options 313, 314, 413, and 414 only
*2
*2.Options 413 and 414 only
Load match error when port 1 is a stimulus port
Load match error when port 2 is a stimulus port
El13
, El23
, and El43
Load match error when port 3 is a stimulus port
El14
, El24
, and El34
Load match error when port 4 is a stimulus port
Reflection tracking error (Er)
A reflection tracking error is caused by the difference in frequency response between the
test receiver and the reference receiver of a stimulus port in reflection measurements. This
error can be defined as a constant value for each stimulus port because the combination of
the test receiver and the reference receiver of a stimulus port is always the same. The
number of reflection tracking errors for the E5070B/E5071B is simply the number of
stimulus ports you use.
Er1
Reflection tracking error of port 1
Er2
Reflection tracking error of port 2
*1.Options 313, 314, 413, and 414 only
Er3
*1
Reflection tracking error of port 3
*2.Options 413 and 414 only
Er4
*2
Reflection tracking error of port 4
Содержание E5070B
Страница 6: ......
Страница 30: ...24 Contents ...
Страница 34: ...28 Chapter1 Precautions Before contacting us ...
Страница 286: ...280 Chapter6 Data Analysis Using the Equation Editor ...
Страница 430: ...424 Chapter12 Optimizing Measurements Performing a Segment by Segment Sweep segment sweep ...
Страница 479: ...473 14 Controlling E5091A 14 Controlling E5091A This chapter explains how to control the E5091A multiport test set ...
Страница 538: ...532 Chapter15 Measurement Examples Executing Power Calibration ...
Страница 604: ...598 AppendixA Manual Changes Manual Changes Figure A 12 Two port Touchstone file Figure A 13 Three port Touchstone file ...
Страница 634: ...628 AppendixB Troubleshooting Warning Message ...
Страница 732: ...726 AppendixD Softkey Functions Trigger Menu ...
Страница 740: ...734 AppendixE General Principles of Operation Data Processing ...
Страница 760: ...754 AppendixF Replacing the 8753ES with the E5070B E5071B Comparing Functions ...