5730A
Calibration Manual
42
Wideband Flatness Calibration Procedure
Do the calibration procedure and the full verification of the Product every 2 years.
For flatness calibration:
1. Touch Setup Menu>Calibration. If the ambient temperature has changed
from the displayed value, update it.
2. Touch Run Wb Flatness Cal.
3. Connect the equipment as shown in Figure 5. Note that the wideband cable is
connected to the 5790A directly, the termination is not used.
4. Touch Continue.
5. Push . Wideband flatness calibration starts with a 3 V output at 1 kHz.
6. Push the SET REF softkey on the 5790A when the 5790A settles to a
reading. This is the 3 V reference value from which all other frequencies will
be compared.
7. Touch Continue and the frequency changes to the next value.
8. At this point and all subsequent points for this range, adjust the Product
output adjustment knob to bring the 5790A error display to 0 and then touch
Continue on the Product. Repeat this step for each frequency through
30 MHz.
9. The Product wideband output changes to 1 V at 1 kHz. When it has, push the
CLEAR REF WBND softkey on the 5790A.
10. Repeat steps 6 to 9 for the 1 V, 300 mV, 100 mV, 30 mV, and 10 mV ranges.
11. Touch Save to store the results and adjust the Product. If the security
passcode has not already been entered, the Product prompts to do so before
the results are saved. Touch Discard to remove the results from the
calibration.
5790A
Wideband
Input
5730A
Wideband
Output
Wideband
Output Cable
hhp313.eps
Figure 5. Wideband Flatness Calibration Connections
To Next Page
Loading...
