Appendix B
213
Information for Replacing 4278A with 4288A
Functional Comparison and GPIB Command Correspondence
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GPIB command correspondence
Measurement signal
Functional comparison
GPIB command correspondence
High-accuracy measurement (HI-ACC) mode
The 4288A does not have a function corresponding to the 4278A’s high-accuracy
measurement (HI-ACC) mode at the measurement frequency of 1 MHz.
Table B-2
Correspondence of measurement parameter setup commands
Measurement parameter
GPIB command
Primary
parameter
Secondary
parameter
4278A
4288A
Cp
D
MPAR1
Q
MPAR2
G
MPAR3
Cs
D
MPAR4
Q
MPAR5
Rs
MPAR6
:CALC2:FORM RS
4278A
4288A
Measurement frequency
1 kHz, 1 MHz
1 kHz, 1 MHz
Frequency shift (1 MHz)
+2%, +1%, 0%, -1%
+2%, +1%, 0%, -1%
Measurement signal
level (OSC level)
Allowable setup
range
0.1 V to 1 V
0.1 V to 1 V
Resolution
0.1
0.01
Level monitor
Unavailable
Current value, voltage value
Table B-3
Correspondence of measurement signal setup commands
Function
GPIB command (option number)
4278A
4288A
Measurement
frequency
1 kHz
FREQ1
:SOUR:FREQ 1KHZ
1 MHz
FREQ2
:SOUR:FREQ 1MHZ
Frequency shift
*1
(1 MHz)
0%
Normal
+1%
Option 003
-1%
Option 005
+2%
Option 006
Measurement signal level (OSC level)
OSC=
*1.The frequency shift of the 4278A is fixed to a constant value, depending on the config-
uration options. No command is available to alter the value.
Содержание 4288A
Страница 18: ...16 Chapter1 Making Effective Use of This Manual How To Use This Manual ...
Страница 102: ...100 Chapter8 Avoiding Mistakes Related to Work and Daily Checks Daily Checks executing the self test ...
Страница 212: ...210 AppendixA Manual Changes Manual Changes ...
Страница 248: ...246 AppendixB Information for Replacing 4278A with 4288A Comparison of Interfaces ...
Страница 258: ...256 AppendixC Status Reporting System Using the Status Reporting System ...
Страница 282: ...280 AppendixG 4268A vs 4288A GPIB Command Correspondence Table 4268A vs 4288A GPIB Command Correspondence Table ...
Страница 288: ...286 Index Index ...