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Tektronix TDS 620A, TDS 640A, TDS 644A Press these buttons: To bring up these menus:

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At a Glance

TDS 620A, 640A & 644A User Manual 2Ć11

Press these buttons: To bring up these menus:

Utility Menu - I/O -GPIB

(see page 3Ć116)

Vertical Channel Menu

(see page 3Ć136)

Zoom Menu

(see page 3Ć151)

Utility Menu - Calibration

(see page )

Utility Menu - Diagnostics

(see the Service manual)

Utility Menu -

Config (see pages )

Utility Menu - I/O -RS232

(optional on TDS 620A &

TDS 640A) (seepage 3Ć116)

Contents

Main Page WARRANTY '35+(+%#5' 0( 5*' #/6(#%563'3.1035'3 '4%*'+/+)6/) &'4 '345'--'34.1035'634 Page Conventions Table of Contents Getting Started Operating Basics Reference Appendices Glossary Index List of Figures Page Page Page List of Tables Page Page Page Start Up Signal Path Compensation P6205 Active Probe Installation Before You Begin WARNING Front Cover Removal Power On Page Setting Up for the Examples Example 1: Displaying a Waveform Resetting the Digitizing Oscilloscope Page Display Elements Adjusting the Waveform Display Using Autoset Page Page .%($ ,$+#($ - ')%* #&! - ')% Page #!" # #! Removing a Waveform '" &%!% $&# %$ $"( &%!% $&# %$ Page Page The Numeric Keypad " ( "# $## "$!#" Page +!$ *" ()$' *" ()$ Recalling a Setup Page Page !!" Page " ! ! ! ! Press these buttons: To bring up these menus: Page Triggering Trigger Sources Types Trigger Modes Holdoff Page Trigger Position Slope and Level Page Acquisition Record Length Sampling and Digitizing Sampling Interpolation Acquisition Modes Bandwidth Coupling &' %' ! *&'" $% +$#'! *&'" Aliasing Delayed Time Base #"!" " Measurements Automated Measurements Measurement Sources # ! !# "! Page Page Page ! *& # %)'(#" # %)'(#" #)( $&(#" Stop After Page Page Color (TDS 644A) Choose Palette Change Palette Colors Set Math Waveform Color Set Reference Waveform Color Select Options Restore Colors Cursor Measurements Cursor Readouts Function Page Time Units Amplitude Units Cursor Speed Delayed Runs After Main Delayed TriggerableBy Events Delayed TriggerableBy Time Delayed Runs After Main Delayed Triggerable Page Page Display Modes Display Style Intensity !(&", %*) Filter Type Graticule Type Format Page Page "" %" "" %$# !"$ Coupling Page $ $!$ $% $% #$%"' $# 00 Page Page Page Cursor Measurements of an FFT Automated Measurements of an FFT Considerations for Using FFTs FFTs TransformTime Records to Frequency Records FFT Frequency Range and Resolution %( $* '+!)!*!%$ % %%# $ $*(&%"*!%$ $#( ') $#( $' ( (%!,( ()! ( '$ ( '# $ #) #,*+ !* ,(()**"'& " " " Page Window Characteristics File System (Optional on TDS 620A & TDS 640A) Page %&+ '!$) ') !')%'+ Setting Communication Parameters Setting Hardcopy Parameters Printing the Hardcopy Date/Time Stamping Your Hardcopy Connection Strategies Page ! ! !" !# Horizontal Control Horizontal Knobs $' ' !%.! $&! *! ()$/('+% ! (,+* ()$/('+% !', )%##!) (*%+%(' !() !'#+$ ' %+ ( )!!' ()%/('+& &! ()%/('+& (*%+%(' Page " ( '( # %&( $# &( " ( '( "%!( Page Limit Test Sources Limit Test Setup Single Waveform Comparisons Single and Multiple Waveforms ! !! !! "! ! Operations Common to Pattern and State % % " ' %&#!& Mode & Holdoff Pattern Operations Define Inputs Define Logic Define a Time Qualified Pattern Trigger State Operations Define Inputs Page $&# % '$% %! $ Page Page ! " ! Gated Measurements HighLow Setup Reference Levels ' "$!# Delay Edges Creating the Delay Measurement Snapshot of Measurements '&*")+"'&* !& #"& &(*!'+* ') ') &')%+"'& Probe Cal Probe Cal vs. Probe Type Page Page Page Page '% %#&$()!%$ &')!%$ Page " # ! #" !!" ! % ! !!$ " ! High Voltage Probes Current Probes Probes by Type Probes by Application Pulse Triggering Page Source Mode & Holdoff Operations Common to Glitch, Runt, and Width Glitch Operations Polarity & Width Glitch (Accept or Reject) Level Runt Operation Polarity &' $"' Polarity Trig When Level Width Operation Cables Connector GPIB Parameters '(*!&% &(* #*!&% Page " ! Recalling a Setup Recalling the Factory Setup Deleting All Setups and WaveformsTekSecure Page Saving and Recalling Waveforms Page Autosave (TDS 640A and 644A only) Running File Utilities # " Removing Waveforms From the Display ! ! ! Page ##$" !# Banner Triggering MAIN LEVEL Knob Trigger Button and Knobs ToSet to 50% Readouts Force Trigger Single Trigger Trigger Status Lights !! " ' $# !! "# % #!" Trigger Menu Vertical Control Vertical Knobs Vertical Readouts Vertical Menu Coupling Bandwidth Fine Scale Position Offset Waveform Differentiation Automated Measurements of a Derivative Waveform Cursor Measurement of a Derivative Waveform Offset, Position, and Scale Usage Considerations Zoom Waveform Integration Cursor Measurements of an Integral Waveform Page Automated Measurements of a Integral Waveform Offset, Position, and Scale DC Offset Usage Considerations Zoom Single Wfm Math Dual Wfm Math Zoom Zoom and Interpolation Setting Interpolation Reset Zoom For Further Page Page Appendix A: Options and Accessories Options Options A1-A5: International Power Cords Option 1K: K420 Scope Cart Service Assurance Options Page Option 23: Additional Probes (TDS 620A only) Option 24: Add Four Passive Probes Option 95: Calibration Data Report Option 96: Calibration Certificate Standard Accessories ""!' #%! !!#' !# Page % "! $ &% " !" " !# " ! ! ! End Hysteresis MCross Calculations MCross1, MCross2, and MCross3 MCross1Polarity StartCycle EndCycle Measurement Algorithms Cycle Area Burst Width Cycle Mean Cycle RMS Frequency High Low Maximum Mean Minimum Negative Duty Cycle Negative Overshoot Negative Width Peak to Peak Period Phase Positive Duty Cycle Positive Overshoot Positive Width Rise Time RMS: Missing or OutofRange Samples Page Appendix C: Packaging for Shipment Page % #!& #'# ##" ##" Page Page Page Page Page Page Glossary Page Page Page Page Page Page Page Page Page Page Index Numbers A B Index2 C D Index4 E F G H I K Index6 L M N O Index8 P Q R S * !46 V W X Y Z