HP 1630A Operating And Programming Manual page 87

Timing Measurements
Model 1630A/D/G
(
Single 1 Trace Mode
Sample Period L 10 n57
[Start 1
- - 0080~1u51 '~d[dm
Label> B
Base >
Pattern
And Any
Edge
Valid Pattern . Duration >
Figure 6-5. Triggering On A Pattern
And Edge Transition
8 . Press the RUN key. The analyzer will search the incoming activity until it finds a clock period in which
both of the high channels you specified are high and a low-to-high transition occurs in the channel you
selected . Then the analyzer will trigger a trace and fill its memory .
9 . See figure 6-6. Note the vertical, dashed line on the display. This line identifies the trigger point.
10 . Move the cursor up into the Sample Period field and press the NEXT[] key several times.
11 . Press the RUN key to take a measurement using the new sample period .
Timing Waveform Diagram ---------- Data Acquired Oct 27 1982 16 :55
go! ill, 1101jIMIL4111 1
1
11
!1
11a1NII11 ;I li~101~,1"I~1II ~I1 1 11 I IiIIIIdLlS1i~ .L'a,111117L11'ILi
TRIGGER
LINE
Sample Period
Magnification
Magnify About
Cursor Moves
I
7 1
n
20 .00 pS/div
200.0 nSiclk
0.0 PS x to a
Figure 6-6. Triggering On A Timing
Event