5 CALIBRATION AND CALIBRATION KIT
117
5.2.3 Transmission Normalization
Transmission normalization is the simplest calibration method used for transmission
coefficient measurements (S21 or S12). One THRU standard is measured (See figure 5.8)
in the process of this calibration. You can also perform isolation calibration by
measuring two LOAD standards.
Figure 5.8 Transmission normalization
Before starting calibration perform the following settings: select active channel, set the
parameters of the channel (frequency range, IF bandwidth, etc), and select the
calibration kit.
To open transmission normalization submenu, use the
following softkeys:
Calibration > Calibrate > Response (Thru)
Select the direction of the calibration using Select Ports
softkey. The label on the softkey indicates the following:
receiver port – source port (measured parameter).
Connect a THRU standard between the test ports. If the
port connectors allow through connection connect them
directly (zero electrical length thru). Perform measurement
using Thru softkey.
The instrument status bar will indicate Calibration in
progress... when the measurement is in progress. On
completion of the measurement a check mark will appear
in the left part of the softkey.
Port
1
Port 2
LOAD
s
(optional)
Port 1
Port 2
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