Keysight Technologies N5261A, User'S And Service Manual

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Service Information
2-
Measure Gain Factors for Ports 3 and 4 (Procedure B)
Repeat the process above for Ports 3 and 4 with the following modifications:
— Connect the SRC2 jumper on the rear panel.
— Connect to SRC2 IN in place of SRC1 IN.
— The first set of Test Set I/O commands should be 32,2 and 0,16.
(turn off SRC2 ALC and set the path to Port 3)
— The Test Set I/O command to set the path to Port 4 is 0,32.
Table 2-5 Gain Factor Addresses and Values
Ports/Freq Write
Address
Read Address Value
Port 1 - 7 GHz 144 16
Port 1 - 10 GHz 148 20
Port 1 - 15 GHz 152 24
Port 1 - 20 GHz 156 28
Port 2 - 7 GHz 160 32
Port 2 - 10 GHz 164 36
Port 2 - 15 GHz 168 40
Port 2 - 20 GHz 172 44
Port 3 - 7 GHz 176 48
Port 3 - 10 GHz 180 52
Port 3 - 15 GHz 184 56
Port 3 - 20 GHz 188 60
Port 4 - 7 GHz 192 64
Port 4 - 10 GHz 196 68
Port 4 - 15 GHz 200 72
Port 4 - 20 GHz 204 76
Keysight N5261/62A User’s & Service Guide
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