LeCroy WAVESURFER User Manual

Operator's Manual
6 WS-OM-E Rev B
Level and Slope ...................................................................................................................... 97
List of Parameters ..........................................................................................................................98
WAVEFORM MATH .........................................................................................104
Introduction to Math Traces and Functions..................................................................................104
Two-input Math Functions .................................................................................................... 104
Chaining of Math Functions .................................................................................................. 105
Zooming a Math Function ..................................................................................................... 105
FFT...............................................................................................................................................106
Why Use FFT?...................................................................................................................... 106
Power (Density) Spectrum.................................................................................................... 106
Memory for FFT ....................................................................................................................106
FFT Pitfalls to Avoid.............................................................................................................. 107
Picket Fence and Scallop ..................................................................................................... 107
Leakage ................................................................................................................................107
Choosing a Window..............................................................................................................107
Improving Dynamic Range...........................................................................................................109
Record Length..............................................................................................................................109
FFT Algorithms .....................................................................................................................109
Glossary................................................................................................................................ 111
FFT Setup .................................................................................................................................... 114
To Set Up an FFT .................................................................................................................114
ANALYSIS........................................................................................................114
Pass/Fail Testing .......................................................................................................................... 114
Mask Tests............................................................................................................................ 114
Actions .................................................................................................................................. 115
Setting Up Pass/Fail Testing ................................................................................................ 115
UTILITIES.........................................................................................................117
Status ........................................................................................................................................... 117
To Access Status Dialog.......................................................................................................117
Remote communication ............................................................................................................... 117
To Set Up Remote Communication. ..................................................................................... 117
To Configure the Remote Control Assistant Event Log........................................................ 117
Hardcopy...................................................................................................................................... 118
Printing.................................................................................................................................. 118
Clipboard............................................................................................................................... 118
File ........................................................................................................................................118
E-Mail.................................................................................................................................... 119
Aux Output ................................................................................................................................... 119
Date & Time.................................................................................................................................. 119
To Set Time and Date Manually ........................................................................................... 119
To Set Time and Date from the Internet ............................................................................... 119
To Set Time and Date from Windows................................................................................... 120

LeCroy WAVESURFER Specifications

General

Input Coupling	AC, DC, GND
Interface	USB, LAN, GPIB (optional)
Channels	4
Display	10.4" LCD
Vertical Resolution	8 bits
Input Impedance	1 MΩ || 50 Ω
Max Input Voltage	400 Vpk (1 MΩ)
Trigger Modes	Edge, Pattern
Bandwidth	200 MHz to 1 GHz