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WAVESURFER
LeCroy WAVESURFER User Manual
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WaveSurfer DSO
WS-OM-E Rev B
103
of 100 periods.
Skew
Time of clock1 edge minus time
of nearest clock2 edge.
Reference levels and
edge-transition polarity
can be selected.
Hysteresis argument
used to discriminate
levels from noise in
data. Hysteresis on a
measurement (if set to
500 mdiv) requires that
the signal must
transition one way 1/2
division (total swi
ng)
across the threshold for
the measurement to be
valid.
Available with
JT
A2
and XMAP options.
S
td dev
S
tandard deviation of the data
between the cursors -- a
bout the
same as rms for a ze
ro-mean
waveform.
Gives similar result
when applied to time
domain waveform or
histogram of dat
a of
same waveform. But
with histograms, result
may include
contributions from more
than one acquisition.
Where: v
i
denotes
measured sample
values, and N =
number of dat
a points
within the periods
found up to maximum
of 100 periods.
107
109
Table of Contents
Default Chapter
6
Table of Contents
6
How to Use On-Line Help
13
Type Styles
13
Instrument Help
13
Windows Help
14
Returning a Product for Service or Repair
14
Technical Support
14
Staying Up-To-Date
14
Warranty
15
Copyright
15
Windows License Agreement
16
End-User License Agreement for Lecroy® X-Stream Software
16
Virus Protection
23
Specifications
23
Vertical System
23
Horizontal System
24
Acquisition System
24
Acquisition Processing
24
Triggering System
25
Basic Triggers
25
SMART Triggers -- Standard
25
SMART Triggers -- Optional
26
Automatic Setup
26
Documentation and Connectivity
26
Probing
27
Color Waveform Display
27
Analog Persistence Display
27
Zoom Expansion Traces
27
Rapid Signal Processing
28
Internal Waveform Memory
28
Setup Storage
28
Auxiliary Output
28
Auxiliary Input
28
Math Tools (Standard)
28
Extended Math (Mathsurfer Option)
28
Measure Tools (Standard)
28
Pass/Fail Testing
29
General
29
Warranty and Service
29
Environmental Characteristics
30
Temperature
30
Humidity
30
Altitude
30
Random Vibration
30
Shock
30
Certifications
30
CE Declaration of Conformity
30
Safety Requirements
31
Safety Symbols and Terms
31
Operating Environment
32
Cooling Requirements
33
AC Power Source
33
Power and Ground Connections
34
On/Standby Switch
34
Calibration
35
Cleaning
35
Abnormal Conditions
35
Basic Controls
35
Front Panel Controls
35
Front Panel Buttons and Knobs
35
Trigger Control
36
Horizontal Control
36
Vertical Control
37
Cursor Control
37
Special Features
38
General Control
38
On-Screen Toolbars, Icons, and Dialog Boxes
39
Menu Bar Buttons
39
Dialog Boxes
40
Alternate Access Methods
40
Mouse and Keyboard Operation
40
Tool Bar Buttons
40
Trace Descriptors
41
Trace Annotation
42
To Annotate a Waveform
42
To Turn on a Trace
43
Screen Layout
44
Menu Bar
44
Signal Display Grid
44
Dialog Area
44
Installation
45
Hardware Installation
45
Instrument I/O Panel
45
Software
45
Checking the Scope Status
45
Default Settings
46
Wavemaster and Wavepro 7000 Series Dsos
46
DDA, SDA, and Waverunner Dsos
46
Adding a New Option
47
Restoring Software
48
Restarting the Application
48
Restarting the Operating System
48
Connecting to a Signal
48
Probus Interface
48
Auxiliary Output Signals
49
To Set up Auxiliary Output
49
Sampling Modes
49
To Select a Sampling Mode
49
Single-Shot Sampling Mode
50
Basic Capture Technique
50
RIS Sampling Mode -- for Higher Sample Rates
50
Roll Mode
51
Vertical Settings and Channel Controls
52
Adjusting Sensitivity and Position
52
To Adjust Sensitivity
52
To Adjust the Waveform's Position
52
Coupling
52
Overload Protection
52
To Set Coupling
52
Probe Attenuation
53
To Set Probe Attenuation
53
Bandwidth Limit
53
To Set Bandwidth Limiting
53
Quickzoom
53
To Turn on a Zoom
53
Finding Scale
54
To Use Find Scale
54
Variable Gain
54
To Enable Variable Gain
54
Channel Deskew
54
To Set up Channel Deskew
54
Timebase and Acquisition System
54
Timebase Setup and Control
54
Dual Channel Acquisition
55
Combining of Channels
55
Autosetup
55
Triggering
55
Simple Triggers
55
Edge Trigger on Simple Signals
55
Control Edge Triggering
55
To Set up an Edge Trigger
56
SMART Triggers
59
Width Trigger
59
Glitch Trigger
60
Interval Trigger (Optional with WS-ADVTRIG Package)
61
Qualified Trigger (Optional with WS-ADVTRIG Package)
65
State Trigger
67
Dropout Trigger (Optional with WS-ADVTRIG Package)
68
Logic Trigger
70
Runt Trigger (Optional with WS-ADVTRIG Package)
72
Slew Rate Trigger (Optional with WS-ADVTRIG Package)
74
TV Trigger
75
Display Formats
76
Display Setup
76
Persistence Setup
77
Saturation Level
77
Show Last Trace
78
Persistence Time
78
To Set up Persistence
78
Screen Saver
79
Zooming Waveforms
79
To Zoom a Single Waveform
80
To Zoom by Touch-And-Drag
81
To Zoom Multiple Waveforms Quickly
81
To Turn off Zoom
81
XY Display
82
To Set up XY Displays
82
Save and Recall
83
Saving and Recalling Scope Settings
83
To Save Scope Settings
83
To Recall Scope Settings
83
To Recall Default Settings
84
Saving Screen Images
84
Saving and Recalling Waveforms
85
Saving Waveforms
85
Recalling Waveforms
86
Disk Utilities
87
To Delete a Single File
87
To Delete All Files in a Folder
87
To Create a Folder
88
Printing and File Management
88
Printing
88
To Set up the Printer
88
To Print
88
Adding Printers and Drivers
88
Changing the Default Printer
89
Managing Files
89
Hard Disk Partitions
89
100Base-T Ethernet Connection
90
Connecting to a Network
90
Communicating over the Network
90
Windows Setups
91
System Restore
91
Waveform Measurements
92
Measuring with Cursors
92
Cursors Setup
92
Quick Display
92
Full Setup
93
Overview of Parameters
93
To Turn on Parameters
94
Status Symbols
94
Using X-Stream Browser to Obtain Status Information
95
Statistics
96
Measure Gate
97
To Set up Measure Gate
98
To Select a Parameter
98
From a Vertical Setup Dialog
98
From a Math Setup Dialog
98
From a Zoom Setup Dialog
98
Parameter Calculations
99
Parameters and How They Work
99
Determining Time Parameters
100
Determining Differential Time Measurements
101
Level and Slope
102
List of Parameters
103
Waveform Math
109
Introduction to Math Traces and Functions
109
Two-Input Math Functions
109
Chaining of Math Functions
110
Zooming a Math Function
110
Fft
111
Why Use FFT
111
Power (Density) Spectrum
111
Memory for FFT
111
FFT Pitfalls to Avoid
112
Picket Fence and Scallop
112
Leakage
112
Choosing a Window
112
Improving Dynamic Range
114
Record Length
114
FFT Algorithms
114
Glossary
116
FFT Setup
119
To Set up an FFT
119
Analysis
119
Pass/Fail Testing
119
Mask Tests
119
Actions
120
Setting up Pass/Fail Testing
120
Utilities
122
Status
122
To Access Status Dialog
122
Remote Communication
122
To Set up Remote Communication
122
To Configure the Remote Control Assistant Event Log
122
Hardcopy
123
Printing
123
Clipboard
123
File
123
E-Mail
124
Aux Output
124
Date & Time
124
To Set Time and Date Manually
124
To Set Time and Date from the Internet
124
To Set Time and Date from Windows
125
Options
126
Preferences
126
Audible Feedback
126
Auto-Calibration
126
Language Selection for User Interface
126
Offset Control
126
Delay Control
127
E-Mail
127
Acquisition Status
128
Service
128
Show Windows Desktop
128
Touch Screen Calibration
128
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LeCroy WAVESURFER Specifications
General
Brand
LeCroy
Model
WAVESURFER
Category
Test Equipment
Language
English
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