Compensation - Agilent Technologies 4288A Programming Manual

Information for Replacing 4278A with 4288A
Functional Comparison and GPIB Command Correspondence

Compensation

Functional comparison
Parameter
format of
compensation
data
Setup parameter of the
reference value for LOAD
compensation (definition
value of the standard for the
LOAD compensation)
OPEN/SHORT/
LOAD
Input/output of compensation
compensation
Alarm message
output condition
during
compensation
data
measurement
Operation after output of an
alarm message during
compensation data
Offset compensation
Temperature compensation
Differences in usage of GPIB commands
ON/OFF of Measuring compensation data does not
OPEN/SHORT/LOAD change ON/OFF setup.
compensation
Setup of the reference Two different commands are used to set
value for LOAD up primary and secondary parameters
compensation separately.
Two different commands are used to set
Setup of data for offset up the compensation data for the primary
compensation and secondary parameters separately.
218
Each compensation can be
ON/OFF
turned ON/OFF separately.
OPEN
SHORT
Same as the reference value
LOAD
for LOAD compensation.
Reading out (displaying)
data
OPEN
SHORT
|Z| ≤ |Zref| × 0.9
LOAD
|Z| ≥ |Zref| × 1.1
Used as it is.
measurement
Can be turned ON/OFF
separately for either
primary or secondary
4278A
4278A
Each compensation can be
turned ON/OFF separately.
Cp-G G-B, Cp-G
Ls-Rs R-X, Ls-Rs
Same as the reference value
for LOAD compensation.
Cp-D, Cp-Q, Cp-G, Cp-Rp,
Cp-D, Cp-G
Cs-D, Cs-Q, Cs-Rs
Reading out (displaying) and
writing (GPIB command
|Y| ≥ 20 µ S |Y| ≥ 20 µ S
|Z| ≥ 20 Ω
|Z| ≤ |Zref| × 0.9
|Z| ≥ |Zref| × 1.1
Used as it is.
Cannot be turned ON/OFF
separately for primary and
secondary parameters (turned
ON/OFF at the same time for
parameters.
all parameters).
Available Not necessary
4288A
Measuring compensation data
automatically turns it ON.
A single command is used to set up
primary and secondary parameters at the
same time.
A single command is used to set up the
compensation data for both the primary
and secondary parameters at the same
time.
4288A
only)
|Z| ≥ 20 Ω
Appendix B