3- 54 Keysight B1500A User’s Guide, Edition 14
Installation
Capacitance Compensation When Using Switching Matrix
• For E5250A:
The lines DATA05 to DATA08 should be modified for each measurement
environment. See Table 3-9. Do not modify the other lines.
Table 3-9 Compensation Coefficients and Modifications
# E5250A C Compensation coefficient data table
#
# CAUTION : Do not add or delete "REVISION" line and "DATAxx" line.
# Change the value for R,L,C of DATA05,06,07 or 08.
#
REVISION A.03.00
# R [ohm] L [H] C [F]
DATA00 74.65E-3 140.00E-9 58.44E-12 # Frame Path 1
DATA01 75.41E-3 90.00E-9 67.13E-12 # Frame Path 2
DATA02 231.41E-3 450.00E-9 178.85E-12 # Card Path High
DATA03 177.56E-3 390.00E-9 135.45E-12 # Card Path Low
DATA04 100.70E-3 400.00E-9 80.00E-12 # Triax Cable [/m]
DATA05 100.70E-3 400.00E-9 80.00E-12 # User Triax Cbl H [/m]
DATA06 100.70E-3 400.00E-9 80.00E-12 # User Triax Cbl L [/m]
DATA07 114.00E-3 544.00E-9 130.00E-12 # User Coax Cbl H [/m]
DATA08 114.00E-3 544.00E-9 130.00E-12 # User Coax Cbl L [/m]
DATA09 0.00E-3 0.00E-9 1.20E-12 # Stray Capacitance
# END of Data
Compensation
coefficients
Modifications of data file
C2H
(DATA05)
C2L
(DATA06)
For the connector plate, change the R, L, C values in the lines.
The value must be changed to the R, L, C values of the
C2H (DATA05) path and the C2L (DATA06) path (triaxial
cable with connector plate) shown in Figure 3-22.
For Keysight B2220A probe card interface, do not modify the
lines.
C3H
(DATA07)
C3L
(DATA08)
Change the R, L, C values in the lines. The value must be
changed to the R, L, C values of the C3H (DATA07) path and
the C3L (DATA08) path shown in Figure 3-22.
For the connector plate, the coaxial cable with positioner will
be the appropriate path.
For Keysight B2220A probe card interface, the probe card will
be the appropriate path.
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