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R&S
ZNB/ZNBT
Table 4-7: Overview of calibration types
Calibration Type
Standards
Reflection Normali-
Open or Short
zation
Transmission Nor-
Through
malization
Reflection OSM
Open, Short,
Match
One Path Two Ports Open, Short,
Match
port),
Through
the source port and
all target ports
TOSM or UOSM
Open, Short,
Match
(n-port)
port),
Through
all port pairs)
Adapter Removal
Open, Short,
(2-port)
Match
port),
Through
TOM
Open, Match (at
both ports),
(n-port)
Through (between
all port pairs)
TSM
Short, Match (at
both ports),
(n-port)
Through (between
all port pairs)
User Manual 1173.9163.02 ─ 62
Parameters
S
for Port i
ii
S
for port pair (i,j), i
ij
≠ j
S
for Port i
ii
1)
S
for fixed source
t,j
1)
(at source
port j and target
ports t
2)
between
All
1)
(at each
2)
(between
All
1)
(at each
Reflection parame-
ters with and with-
out adapter
All
All
Error Terms
General Accuracy
Reflection tracking
Low to medium
Transmission track-
Medium
ing
Reflection tracking,
High
Source match
Directivity,
Reflection tracking,
Medium to high
Source match,
Directivity,
Transmission track-
ing
Reflection tracking,
High
Source match,
Directivity,
Load match,
Transmission track-
ing,
Reflection tracking,
High
Source match,
Directivity,
Load match,
Transmission track-
ing,
Reflection tracking,
High
Source match,
Directivity,
Load match,
Transmission track-
ing
Reflection tracking,
High
Source match,
Directivity,
Load match,
Transmission track-
ing
Concepts and features
Calibration
Application
Reflection measure-
ments on any port.
Transmission mea-
surements in any
direction and
between any combi-
nation of ports.
Reflection measure-
ments on any port.
Unidirectional trans-
mission measure-
ments in any direc-
tion and between
any combination of
ports.
Reflection and
transmission mea-
surements; classi-
cal 12-term error
correction model.
Reflection and
transmission mea-
surements; classi-
cal 12-term error
correction model.
Reflection and
transmission mea-
surements.
Reflection and
transmission mea-
surements.
164
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