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User Manual 301/302

SEQUENCED ARBITRARY WAVEFORMS

Operation Permits division of the memory bank into smaller

segments. Segments may be linked, and repeated in

user-selectable fashion to generate extremely long

waveforms.

Advance Modes

Automatic Sequence Advance No triggers required to step from one segment to the

next. Sequence is repeated continuously through a pre-

programmed sequence table

Stepped Sequence Advance Current segment is sampled continuously, external

trigger advances to next programmed segment. Control

input is TRIG IN connector.

Single Sequence Advance Current segment is sampled to the end of the segment

and idles there. Next trigger advances to next segment.

Control input is TRIG IN connector.

Advance Source

Internal Internal programmable rate generator

Period From 20 µs to 1000 s

Accuracy ±(1% + 1 µs)

External

Input Front panel Trigger input

Frequency 15 MHz to DC

Software IEEE 488.2 command

Sequencer steps From 1 to 4096

Segment loops From 1 to 1 Meg

Segment Duration Minimum 1 µs for more than one loop.

SEQUENCED SEQUENCES

Operation Number of sequences may be linked in a multi-

sequence table to generate extremely long sequences.

Number of Sequenced Sequences 16

Segment Limitation Per Sequence 2 sequences, 2048 segments; 4 sequences, 1024

segments; 8 sequences, 512 segments; 16 sequences,

256 segments

Advance Modes

Selectable GPIB or RS232 command selects an active sequence

Stepped Current sequence is sampled continuously, external

Specifications

1 2 ... 128 129 130 131 132 133 134 135 136 137

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Wavetek 39A Spezifikationen Seite 133