Keysight U3606A, User'S And Service Manual

Page: 230 / 293

6 Calibration Procedures
Adjustments procedures
208 U3606A User’s and Service Guide
4 Use or to select the adjustment item.
5 Apply the input signal shown in the “Input” column of Table 6- 9 .
6
Enter the actual applied input (see “Entering adjustment values” on
page 190 ).
7
Press to start the adjustment. The display “CALib” in the lower
secondary display starts flashing to indicate that the calibration is in
progress.
• Successful completion of the adjustment is indicated by a short beep
and the primary display briefly showing “PASS”.
• An adjustment failure is indicated by a long beep, the primary
display showing “FAiL” and a calibration error number appearing in
the upper secondary display. Correct the problem and repeat this
procedure.
8
Repeat step 3 through step 7 for each gain adjustment point shown in
Table 6- 9 .
9
Verify the capacitance gain adjustments using the “Optional capacitance
gain verification test” on page 172 .
N O T E
If the zero offset adjustment procedure has been recently performed prior
to the capacitance gain calibration procedure, the adjustment item
“OPEn” can be omitted.
N O T E
Always complete tests in the same order as shown in Table 6-9 .
Table 6-9 Capacitance gain adjustment
Adjustment item Input capacitance
OPEn
Input terminals open (remove any test leads or
shorting plugs from the input terminals)
0.400 nF 0.4 nF
1.000 nF 1 nF
O U T
S B Y