Appendix B: Algorithms
B–14
TDS 500D, TDS 600B, & TDS 700D User Manual
3. From , continue the search, looking for a crossing of . Update
if subsequent crossings are found. If a crossing is
found, it becomes the high rise time or . (Use linear interpolation if
necessary.)
4. = –
High
HighRef
LowRef
Low
THRTLR
Rise Time
Figure B–3: Rise Time
Amplitude (voltage) measurement. The true Root Mean Square voltage.
If = then = the (interpolated) value at .
Otherwise,
=
ŕ
Ă(())
2
dt
( * )
Ǹ
For details of the integration algorithm, see below.
RMS:
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