User Manual 3153
Maintenance and Performance Checks 5-10
Sequence Operation
Figure 5-4, Automatic Sequence Advance Test Setup
Automatic Advance
1. Configure all channels to output a 5-step sequence, each step
repeated 100,000 times, sampling clock 100 MHz for channel 1 and
50 MHz for channels 2 and 3, and amplitude of 2V. Load 64-point
waveforms to the first 5 segments. Place model 3153 in triggered
mode. Use WaveCAD, output and sequence tabs on the instrument
control panel.
2. Perform the sequence test using Table 5-7.
Table 5-7, Sequence Operation – Automatic Advance.
3153 Setting
External Trigger Signal
Counter Reading (Totalize)
Pa
ss
Fail
Triggered
20ns width, single shot
500,000 counts
Step Advance
1. Use the same arb setting as for the Automatic Advance Test. Set
sequence advance mode to step. Download different waveforms to
each segment. Select a repeat of 2 for each step. Each trigger
advances the sequence to the next waveform. Use WaveCAD to
create and download the sequence table.
2. Perform the sequence test using Table 5-7a.
Table 5-7a, Sequence Operation – Step Advance.
Ste
p
External Trigger Signal
Oscilloscope
Reading
Ch 1
Pass
Fail
Ch 2
Pass
Fail
Ch 3
Pass
Fail
1
No trigger
Segment 1
2
20ns width, single shot
Segment 2
3
20ns width, single shot
Segment 3
4
20ns width, single shot
Segment 4
5
20ns width, single shot
Segment 5
6
20ns width, single shot
Segment 1
REF IN
2201
Counter
Part 1
Part 2
Part 3
1
2
3
3153
TRIG
OUT
1
2
Pulse Generator
TRIG
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