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21-11
TDR/TDT Commands (Rev. A.05.00 and Below)
STIMulus
ended TDR or TDT measurements. DIFFerential turns on the pulse generator for channels 1
and 2 or channels 3 and 4 for differential TDR or TDT measurements. COMMonmode turn on
the pulse generator for channels 1 and 2 or channels 3 and 4 for common-mode TDR or TDT
measurements. EDIFferential and ECOMmon turn on the pulse generator for channels 1 and
2 (or channels 3 and 4) in either differential or common mode. The pulses are sent to an
external pulse generator and the second pair of channels (3 and 4 or 1 and 2 respectively) are
used as either TDR or TDT destinations.
Restrictions Software revision A.04.20 and A.05.00. TDR mode.
Example The following example turns on pulse generators for channels 3 and 4 for single-ended TDR
measurements.
10 OUTPUT 707;":TDR4:STIMULUS ON3AND4"
Query :TDR{2 | 4}:STIMulus?
The query returns the current settings for the TDR pulse generators.
Returned Format [:TDR{2 | 4}:STIMulus] {OFF | ON | ON1 | ON2 | ON1AND2 | DIFFerential | COMMonmode | EXTernal | ON3 | ON4
| ON3AND4}<NL>