E5071C
116
An isolation error (crosstalk error) is caused by signals other than the
transmission signal of the DUT leaking to the test receiver of the
transmission measurement port in transmission measurements. When a
certain port is a stimulus port, an isolation error is defined for each of the
other ports. Therefore, the number of isolation errors for the E5071C is the
total number of combinations of stimulus ports and response ports.
Ex21, Ex31, and Ex41 Isolation error when port 1 is a stimulus port
Ex12, Ex32, and Ex42 Isolation error when port 2 is a stimulus port
Ex13, Ex23, and Ex43 Isolation error when port 3 is a stimulus port
Ex14, Ex24, and Ex34 Isolation error when port 4 is a stimulus port
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 E5071C is equivalent to
the number of stimulus ports you use.
Es1 Source match error of port 1
Es2 Source match error of port 2
Es3 Source match error of port 3
Es4 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 E5071C is the total number of combinations of
stimulus ports and response ports.
El21, El31, and El41 Load match error when port 1 is a stimulus port
El12, El32, and El42 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
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