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Nominal Traits
TDS 684A, TDS 744A, & TDS 784A Service Manual
1–11
Table 1–5: Nominal Traits — Triggering System (Cont.)
Name Description
Ranges, Setup and Hold for
TimeSetup/Hold Violation Trigger
Feature Min to max
Ranges, Setup and Hold for
TimeSetup/Hold Violation Trigger
Setup Time
Hold Time
Setup + Hold Time
–100 ns to 100 ns
–1 ns to 100 ns
2 ns
For Setup Time, positive numbers mean a data transition before the clock edge and
negative means a transition after the clock edge.
For Hold Time, positive numbers mean a data transition after the clock edge and negative
means a transition before the clock edge.
Setup + Hold Time is the algebraic sum of the Setup Time and the Hold Time
programmed by the user.
Ranges, Trigger Level or Threshold
Source Range
Ranges, Trigger Level or Threshold
Any Channel
Auxiliary
Line
±12 divisions from center of screen
±8 V
±400 V
Video Trigger Modes of Operation
(Option 05 Video Trigger)
Supports the following video standards:
H NTSC (525/60) – 2 field mono or 4 field
H PAL (625/50) – 2 field mono or SECAM, 8 field
H HDTV –
(787.5/60)
(1050/60)
(1125/60)
(1250/60)
H FlexFormat
TM
(user definable standards)
User can specify: field rate, number of lines, sync pulse width and polarity, line rate,
and vertical interval timing.
Table 1–6: Nominal Traits — Display System
Name Description
Video Display Color display, 7 inch diagonal, with a display area of 5.04 inches horizontally by
3.78 inches vertically
Video Display Resolution 640 pixels horizontally by 480 pixels vertically
Waveform Display Graticule Single Graticule: 401 × 501 pixels, 8 ×10 divisions, where divisions are 1 cm by 1 cm
Waveform Display Colors Sixteen colors in infinite-persistence or variable persistence display with color coding