HP 75000 SERIES C User Manual

CALibration CALibration
CALibration
Subsystem Syntax
Comments
CAL? Results
The CALibrate subsystem performs a system calibration. In the
HP
E1440A , only one implementation (:ALL?) is supported, which
allows the command module to calibrate and check the synthesizer.
:CALibration[:ALL]? (Query only)
Related commands: [:ALL]
rn :CAL? Performs a full calibration of the synthesizer. The query
response is a zero if calibration is successful, and a non-zero
number (error code), accompanied by an error message, if
calibration is unsuccessful.
Possible responses to the
:CAL? command are listed below. The
':CAL?' response is a single number that is to be interpreted as
enumeration.
'c-
For the user the actual value of the calibration result is of minor
interest, the main distinction here is 'zero or non-zero'. However, the
actual value should be reported to the service people.
Code Meaning
0
No error detected during calibration.
Level comparator is defect. Hardware stated out that
compare level is, at the same time, above signal high
peak and below signal low peak.
Level never below low signal. It is not possible to set
the compare level lower than the signal low peak.
3
Level never above low signal. It is not possible to set
the compare level higher than the signal low peak.
4
Level never above high signal. It is not possible to
set the compare level higher than the signal high
peak.
Level never below high signal. It is not possible to
set the compare level lower than the signal high
peak.
Calibration offset and/or gain
value is out of range.
The correction factors for the amplitude
/ amplitude
offset correction that were found during the calibra-
tion are out of range. That means that with these
values it is not possible to reach the maximum
output voltages without exceeding the capabilities of
the internal analog signal circuitry.
AC ripple on DC signal is too high. For output
function DC only-the AC ripple of the DC output
signal is out of specified limits.
Command Reference 5-9
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HP 75000 SERIES C Specifications

General

Brand	HP
Model	75000 SERIES C
Category	Inverter
Language	English