Keysight U3606B, Service Manual

Page: 82 / 123

1 Calibration Procedures
82 Keysight U3606B Service Guide
Frequency gain adjustment procedure
Review the “Test Considerations” on page 25 and “Gain adjustment
considerations” on page 77 sections before beginning this procedure.
1 Press [Hz ms %] to enter the frequency gain calibration.
2 The display shows the uncalibrated value and the reference value of the
adjustment item.
3 Configure each adjustment item shown in Table 1-26 .
4 Use or to select the adjustment item.
5 Apply the input signal shown in the “Input” column of Table 1-26 .
6 Enter the actual applied input.
7 Press to start the adjustment. The word CALib starts flashing to indicate
that the calibration is in progress.
– Successful completion of the adjustment is indicated by a short beep and
the display briefly showing PASS.
– An adjustment failure is indicated by a long beep, the display showing FAiL
along with a calibration error number. Correct the problem and repeat this
procedure.
8 Repeat step 3 through step 7 for each gain adjustment point shown in
Table 1-26 .
9 Verify the frequency gain adjustments using the “Frequency voltage gain
verification test” on page 47.
NOTE
Always complete tests in the same order as shown in Table 1-26 .
Table 1-26 Frequency gain adjustment
Adjustment item Input frequency
Input voltage (V
rms
)
1000.00 Hz, 1 V
rms
1 kHz
1 V
rms
OUT
SBY