Tektronix 2221A - Measuring Signals; Measuring Rise Time and Fall Time

Measuring Signals
AU1
*0.E
00
<r
TR
G 1 =
3.2Uj Y A r= 3
3881Hz
:-A= /
A .
I
A ■
1
■ 1
T
Al
A
/ 'J
A
V- V
1U
ft U
ERfl^E alius
Figure 3-36: Cursor Frequency Measurement
Measuring Rise Time and Fall Time
Rise time is a measure of the time between the 10% and 90% points on the
leading edge of a waveform {Figure 3-37), Fall time is a measure of time
between the 90% and 10% points on the trailing edge of a waveform (Fig
ure 3-38),
a UI - ? 8 j.0 X 1 TRjG 1 = 3 8^
41 = 102,5ris
1 iSfiUE _
- -
- - - j- -
I i ! !
V
j i j
.
i \ i
! \ \
/
fgl
1 1
|y!VJ
> 8 js U
s
fiU F R f lk 5
3ns
Figure 3-37: Measuring Rise Time
2221A User Manual
3-37