Calibration Adjustment and Verification
Update Full Verification Date 3
3-65
1. Connect the Power Reference System (Power Meter with Coaxial RF
Power Standard) to the 1 mW @ MHz source.
2. Make a measurement to establish the output of the source. This value
shall be used in consecutive measurement with the product.
3. Connect the matching N-type cable supplied as part of the AF option to
the Wideband input.
4. Connect to the source used in step 1.
5. Select the Wideband on the Product.
6. Select 50 MHz Cable Correction from the touch screen.
7. Select Power Menu from the touch screen.
8. Select RF Power OFF from the touch screen, which will toggle to RF
Power ON.
9. The Product is now set to make measurements in mW. Select Power Unit
in dBm via the touch screen if you want to display measurements in dBm
instead of mW.
Note
The test record in Table 3-19 is in mW. A custom table for the test
record must be created if evaluation is to be performed in dBm.
10. Turn on the characterized source.
11. Verify Product performance to specifications. Use Table 3-19 to record
the measurement.
Table 3-19. 0 dBm Verification Table
Nominal
Characterized
Source Output
[mW]
5790B
Measured
[mW]
5790B Error
[mW]
Error [%]
Specification
s [%]
1 mW @ 50
MHz
0.46
Record the characterized source value in the "Characterized Source Output" column. Record the
Product measurement in mW in the "5790B Measured" column. Calculate the Product Error in
mW and in % to evaluate against specifications.
Update Full Verification Date
Once the calibrations of dc, ac, and Wideband (if present) are complete, the full
verification date may be manually updated. Select Setup Menu>Calibration>Cal
Store. Enter passcode to Open Cal Store. Select View/Update Cal Dates.
Press Update and enter the ambient Temperature then press Update.
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