Steps For Balance-Unbalance Conversion - Agilent Technologies ENA Series User Manual
Rf network analyzers
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Fixture Simulator
Evaluating Balanced Devices (balance-unbalance conversion function)
Steps for Balance-Unbalance Conversion
NOTE
When using three test ports, perform a full three-port calibration on the test ports to be
used. When using four test ports, perform a full four-port calibration.
Extend the calibration plane, if necessary, by using the port extension function or network
de-embedding function. For more on the port extension and network de-embedding
functions, see "Extending the Calibration Plane Using Network De-embedding" on
page 285.
Step 1. Press
Step 2. Press
Step 3. Press
Step 4. Press
Step 5. Select the balanced/unbalanced topology.
Softkey
SE-Bal
Bal-Bal
SE-SE-Bal
Step 6. Select each port on the analyzer to which a port on the DUT is connected.
⋅ When you have selected
Softkey
Port 1 (se)
Port 2 (bal)
⋅ When you have selected
Softkey
Port 1 (bal)
Port 2 (bal)
⋅ When you have selected
Softkey
Port 1 (se)
298
.
.
Fixture Simulator
.
Topology
.
Device
Function
Establishes port 1 on the DUT as an unbalanced port and port 2 as a balanced
port
Establishes both port 1 and port 2 on the DUT as balanced ports
Establishes port 1 and port 2 on the DUT as unbalanced ports and port 3 as a
balanced port
SE-Bal
Function
Selects a port on the analyzer from among
logical 1 (Port a in Figure 7-8)
Selects two ports on the analyzer from among
,
,
,
3-2
3-4
4-1
4-2
Figure 7-8)
Bal-Bal
Function
Selects two ports on the analyzer from among
,
,
,
3-2
3-4
4-1
4-2
Figure 7-8)
Selects two ports on the analyzer from among
,
,
,
3-2
3-4
4-1
4-2
Figure 7-8)
SE-SE-Bal
Function
Selects a port on the analyzer from among
logical 1 (Port a in Figure 7-8)
in Step 5:
,
1
2
, and
for connection to logical port 2 (Port b and Port c in
4-3
in Step 5:
, and
for connection to logical port 1 (Port a and Port b in
4-3
, and
for connection to logical port 2 (Port c and Port d in
4-3
in Step 5:
,
1
2
,
, and
for connection to
3
4
,
,
,
,
,
,
1-2
1-3
1-4
2-1
2-3
2-4
3-1
,
,
,
,
,
,
1-2
1-3
1-4
2-1
2-3
2-4
3-1
,
,
,
,
,
,
1-2
1-3
1-4
2-1
2-3
2-4
3-1
,
, and
for connection to
3
4
Chapter 7
,
,
,
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