Agilent Technologies B1500A Manuel de service Page 369

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Agilent B1500A/B1505A Programming Guide, Edition 11 4-53
Command Reference
BSSI
Cautious mode The operation of the cautious mode is explained below:
1. The source channel forces the Start value, and the monitor channel executes a
measurement.
2. The source channel forces the Start+D/2 value (or Start-D/2 if Start>Stop), and
the monitor channel executes a measurement.
If the search stop condition is not satisfied, the measured data is used to decide
the direction (+ or –) of the next output change. The value of the change is
always half of the previous change.
3. Repeats the output change and measurement until the search stop condition is
satisfied.
For information on the search stop condition, see “BGI” or “BGV”. If the output
change value is less than the setting resolution, the search stops.
Example
Statements
OUTPUT @B1500;"BSM 1,2,3"
BSSI
The BSSI command sets the synchronous current source for the binary search
measurement (MM15). The synchronous source output will be:
Synchronous source output = polarity × BSI source output + offset
where BSI source output means the output set by the BSI command.
This command setting is cleared by the BSV/BSI command.
Execution
Conditions
The BSI command must be sent before sending this command.
Syntax BSSI chnum,polarity,offset[,Vcomp]
Parameters chnum : SMU synchronous source channel number. Integer expression. 1 to 10
or 101 to 1001. See Table 4-1 on page 4-16.
polarity : Polarity of the BSSI output for the BSI output.
0: Negative. BSSI output = BSI output + offset
1: Positive. BSSI output = BSI output + offset
offset : Offset current (in A). Numeric expression. See Table 4-6 on page 4-23,
Table 4-8 on page 4-25, or Table 4-11 on page 4-27 for each
measurement resource type.
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