If Step Correction Constants (Test 47) - Agilent Technologies 8719ET Service Manual

8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers

IF Step Correction Constants (Test 47)

These correction constants compensate for IF amplifier linearity difference between gain
stages.
Required Equipment and Tools
Equipment Description
HP/Agilent RF cable
HP/Agilent RF open
HP/Agilent RF fixed attenuator
Analyzer warmup time: 30 minutes.
1. Make sure the A7 Switch is in the alter position (ALT).
2. Press the following:
PRESET: FACTORY
Preset
SERVICE MENU
System
EXECUTE TEST
47 x1
Follow the instructions on the display.
3. Observe the analyzer for the results of the adjustment routine:
If the message IF Step Cor DONE is displayed, you have completed this procedure.
4. If no more correction constant routines are going to be performed, return the A7 Switch
to the NRM position and perform the
In Case of Difficulty
• If the message CAUTION:TROUBLE! CHECK SETUP AND START OVER is displayed, check
that the RF cable is connected from PORT 1 to PORT 2 (REFLECTION port and
TRANSMISSION port on the ET models). Then repeat this adjustment routine.
• If the analyzer continues to fail the adjustment routine, refer to
Control Troubleshooting,"
office.
Service Guide
8719ET/ES 8720ET/ES
85131F
part number
85052-60009
8493C
Option 010,006,020
Preset
TESTS
YES CONTINUE
"EEPROM Backup Disk Procedure," on page
or contact the nearest Agilent Technologies sales or service
Adjustments and Correction Constants
IF Step Correction Constants (Test 47)
8722ET/ES
85133F
part number
85052-60023
8490D
Option 010,006,020
Chapter 6 , "Digital
3-33.
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