Tektronix TDS 500C Benutzerhandbuch

Appendix B: Algorithms

TDS 500C, TDS 600B, & TDS 700C 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.)

 =  – 

High

HighRef

LowRef

Low

THR

TLR

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.