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5-42
Delta, Pulse Delta, and Differential Conductance
6.
NOTE If a read command is sent when Differential Conductance
7.
8.
Setup and arm commands
Commands sent from the PC to the Model 622x to set up and arm Differential
Conductance are listed in
A.
Trace points specifies the size of the buffer. Buffer size should be the same
value as the number of Differential Conductance readings in the test. See
Section 6
for details on all buffer commands.
B.
The initiate command starts Differential Conductance readings. After all
Differential Conductance readings are performed, Differential Conductance
will stop running. At this point another initiate command will re-start Differ-
ential Conductance. New Differential Conductance readings will overwrite
the old Differential Conductance readings in the Model 622x buffer.
Read Differential Conductance readings – While Differential Conduc-
tance is running, the latest Model 2182/2182A reading can be read by the
Model 622x using the following command:
SENS:DATA?
The above read command reads the last Differential Conductance reading
that was performed by the Model 2182/2182A. If this command is sent
before a new reading is available, the last Differential Conductance reading
will again be returned.
is not running, error -221 Settings Conflict will occur.
When finished with Differential Conductance, it can be disarmed by send-
ing the following command:
SOUR:SWE:ABOR
Recall stored Differential Conductance readings – Model 2182/2182A
Differential Conductance readings were sent to the buffer of the Model
622x. Send the following read command to read the buffer:
TRACe:DATA? ' Read Differential Conductance buffer readings.
Table
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Model 6220/6221 User's Manual
' Reads the latest reading.
'
Stops Differential Conductance and places the
Model 2182/2182A in the local mode.
'
5-4.
Section 5 topics
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