X-Stream Operator’s Manual
WM-OM-E Rev I 29
Disk Drive Analyzers:
Maximum Acquisition
Points/Ch
4 Ch/2 Ch
DDA 3000 50 Mpts/100 Mpts
DDA 5005A 24 Mpts/50 Mpts
DDA 5005A XXL 50 Mpts/100 Mpts
Acquisition Modes
Single-shot: For transient and repetitive signals: 20 ps/div to 10 s/div
Sequence: 2 to 20,000 segments (number of segments depends upon memory option)
Number of Segments
Standard 500
VL Memory Option 10,000
XL Memory Option 20,000
XXL Memory Option 25,000
Intersegment Time: typically 5 µs (WavePro 7000A Series, DDA-3000A: 6 µs)
Acquisition Processing
Averaging: Summed averaging to 1 million sweeps; Continuous averaging to 1 million sweeps
Enhanced Resolution (ERES): from 8.5 to 11 bits vertical resolution
Envelope (Extrema): Envelope, floor, roof for up to 1 million sweeps
Triggering System
Modes: Normal, Auto, Single, and Stop
Sources: Any input channel, External, ExtX10, Ext/10 or line; slope and level are unique to each
source (except line)
Coupling Mode: DC; WavePro 7000A Series: GND, DC 50 ohms, DC 1 Mohms, AC 1 Mohms
Pre-trigger Delay: 0 to 100% of horizontal time scale
Post-trigger Delay: 0 to 10,000 divisions
Holdoff by Time or Events: Up to 20 s or from 1 to 99,999,999 events
Internal Trigger Range: +/-5 div from center
Maximum Trigger Frequency:
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