Riggering On The Leading Edge - Agilent Technologies 83620A Service Manual

Triggering on the Leading Edge
1. urn the synthesizer power o and lift up the A15 assembly far enough to
access the jumper shown in Figure 3-40. In some instruments the jumper
positions will be rotated to the left 90 . In these instruments the jumper
vertically connects the two left points in the POS position and the two right
points in the NEG position. (POS and NEG positions are labeled on all
assemblies.)
2. he jumper is factory-set to the POS position (triggers on the leading edge).
If the jumper has been moved to the NEG position move back it to the POS
position. he synthesizer now triggers a sweep on the leading edge
(a 0 to 5 volt change).
3. Reinstall the A15 assembly and turn synthesizer power on.
Triggering on the Trailing Edge
1. urn the synthesizer power o and lift up the A15 assembly far enough to
access the jumper shown in Figure 3-40. In some instruments the jumper
positions will be rotated to the left 90 . In these instruments the jumper
vertically connects the two left points in the POS position and the two right
points in the NEG position. (POS and NEG positions are labeled on all
assemblies.)
2. he jumper is factory-set to the POS position (triggers on the leading edge).
o change it move the jumper to the NEG position. he synthesizer now
triggers a sweep on the trailing edge (a 5 to 0 volt change).
3. Reinstall the A15 assembly and turn synthesizer power on.
3-124 Adjustments
External Trigger Edge election
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HP 8360