R&S ZNB - Page 149

Concepts and Features
R&S
®
ZNB/ZNBT
149User Manual 1173.9163.02 ─ 55
Table 5-7: Overview of calibration types
Calibration Type Standards Parameters Error Terms General Accuracy Application
Reflection Normali-
zation
Open or Short S
ii
for Port i Reflection tracking Low to medium Reflection measure-
ments on any port.
Transmission Nor-
malization
Through S
ij
for port pair (i,j), i
≠ j
Transmission track-
ing
Medium Transmission mea-
surements in any
direction and
between any combi-
nation of ports.
Reflection OSM Open, Short,
Match
1)
S
ii
for Port i Reflection tracking,
Source match
Directivity,
High Reflection measure-
ments on any port.
One Path Two Ports Open, Short,
Match
1)
(at source
port),
Through
2)
between
the source port and
all target ports
S
t,j
for fixed source
port j and target
ports t
Reflection tracking,
Source match,
Directivity,
Transmission track-
ing
Medium to high Unidirectional trans-
mission measure-
ments in any direc-
tion and between
any combination of
ports.
TOSM or UOSM
(n-port)
Open, Short,
Match
1)
(at each
port),
Through
2)
(between
all port pairs)
All Reflection tracking,
Source match,
Directivity,
Load match,
Transmission track-
ing,
High Reflection and
transmission mea-
surements; classi-
cal 12-term error
correction model.
Adapter Removal
(2-port)
Open, Short,
Match
1)
(at each
port),
Through
All
Reflection parame-
ters with and with-
out adapter
Reflection tracking,
Source match,
Directivity,
Load match,
Transmission track-
ing,
High Reflection and
transmission mea-
surements; classi-
cal 12-term error
correction model.
TOM
(n-port)
Open, Match (at
both ports),
Through (between
all port pairs)
All Reflection tracking,
Source match,
Directivity,
Load match,
Transmission track-
ing
High Reflection and
transmission mea-
surements.
TSM
(n-port)
Short, Match (at
both ports),
Through (between
all port pairs)
All Reflection tracking,
Source match,
Directivity,
Load match,
Transmission track-
ing
High Reflection and
transmission mea-
surements.
Calibration