Tektronix TDS 644A - Manual

Page 3 - WARRANTY

WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials andworkmanship for a period of three (3) years from the date of shipment. If a product proves defective during thiswarranty period, Tektronix, at its option, either will repair the def...

Page 8 - Conventions

Welcome Welcome ii ! ' ! &'"!& ,"( * ! )%"(& #%"- (%& * "!'! &'#& " !&'%('"!& "% ,"( '" #%"% " # '"& !&'%('"!& % ! "!&&'!' '& !( (&& ' ""*! "!)!- '"!& ! #%&...

Page 9 - Table of Contents; Getting Started

TDS 620A, 640A & 644A User Manual iii Table of Contents Safety xi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Getting Started Product Description 1Ć1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 10 - Appendices

Table of Contents Contents iv File System (Optional on TDS 620A & TDS 640A) 3Ć53 . . . . . . . . . . . . . . Hardcopy 3Ć57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Help 3Ć65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 11 - List of Figures

TDS 620A, 640A & 644A User Manual v List of Figures Figure 1Ć1:ăRear Panel Controls Used in Start Up 1Ć4 . . . . . . . . . . . . . . Figure 1Ć2:ăON/STBY Button 1Ć5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1Ć3:ăConnecting a Probe for the Examples 1Ć7 . . . . . . . ...

Page 15 - List of Tables

TDS 620A, 640A & 644A User Manual ix List of Tables Table 1Ć1:ăFuse and Fuse Cap Part Numbers 1Ć4 . . . . . . . . . . . . . . . . . . TableĂ3Ć1:ăAutoset Defaults 3Ć9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TableĂ3Ć2:ăXY Format Pairs 3Ć30 . . . . . . . . . . . . . . . ...

Page 22 - Start Up; Signal Path Compensation; Before You Begin

TDS 620A, 640A & 644A User Manual 1Ć3 Start Up %' .%* *( ) ) / $ %( ""%(%& $(*' )) ) ( &'%&'". $()"" $ &%,' %$ % $(*' #- #*# *'. %' .%*' #%() ' ) " #(*'#$)( .%* (%*" !$%, %*) ( $" &) %#&$() %$ $ ) &'%&' *( % ) &'% ( && ,...

Page 23 - WARNING

'#7' 41#%' (03 %00-+/) 0 5*+4 $: 7'3+(:+/) 5*#5 5*' #+3 +/5#,' #/& '9*#645 *0-'4 0/ 5*' 4+&'4 0( 5*' %#$+/'5 8*'3' 5*' (#/ 01'3#5'4 #3' (3'' 0( #/: #+3(-08 0$4536%5+0/4 '#7' #5 -'#45 %. +/%*'4 (3'' 0/ '#%* 4+&' WARNING *'%, 5*' (64' 50 $' 463' +5 +4 5*' 1301'3 5:1' #/& 3#5+/) 4'' +)=...

Page 24 - Front Cover Removal

Start Up TDS 620A, 640A & 644A User Manual 1Ć5 Front Cover Removal !' % #! % !'# )#$" %$ % #% $ $ "" % ! ! % #! % $&" # $% $ " ! Power On %% % ##+" "# " "!(# $(% $ ! $ &# + "# " "!(# $(% ! %#!$ "!(# %! % $%#& % % !$!$!" $ !% ...

Page 26 - Setting Up for the Examples

TDS 620A, 640A & 644A User Manual 1Ć7 Setting Up for the Examples $ ! ! %! ! %! " % $ " ! ! # ! ! # & CH 1 PROBE COMPENSATION ! ' Figure 1Ć3:ăConnecting a Probe for the Examples

Page 27 - Example 1: Displaying a Waveform; Resetting the

Getting Started 1Ć8 Example 1: Displaying a Waveform $# "#$ (! ) % " %$ "#$$ $ $* # # ! #!) %#$ '& " %# $ %$ #$ %$ (!# $ $%$ " ) "#$$ $ $* # # ! $ ' $ ") %$ #$$ #$ $ # # ! ' ) % ' $# $ +#$"$ "# '$ ' %$ #$$# "## $ #&" SETUP %$$ $ #!) $ $%! % , %"...

Page 29 - Display Elements

Example 1: Displaying a Waveform Getting Started 1Ć10 #!,) 2 *"'.* +" #*($/ +"+ )*,$+* )'% +" #&*+),%&+ )*+ ") ) *-)$ #%(')+&+ ('#&+* +' '*)- " *"'.* +"+ +" .- ')% #* +)#!!) + $-$ &) ' #+* %($#+, )'% *+( " *"'.* +"+ +" +)#!!) ('...

Page 30 - Adjusting the

Example1: Displaying a Waveform TDS 620A, 640A & 644A User Manual 1Ć11 '$ - '#+' ( $&# #!$"'(#" '" ( ' /. '%)& +* # $$&#,!( - / !$ () #) " )'( ( '. " $ !"( # ( +*#&! )'" ( &#"(0$" "#' )& 0 '#+' ( !" VERTICAL " HORIZONTAL '(#...

Page 36 - Removing a

Example 2: Multiple Waveforms TDS 620A, 640A & 644A User Manual 1Ć17 Figure 1Ć15:ăThe Menus After Changing Channels WAVEFORM OFF ! "! $ # "! # " ! # CH WAVEFORM OFF ! SCALE CH 2 " " # WAVEFORM OFF "! " ! CH " # ! "! CH WAVEFORM OFF ! "! Removing a Waveform

Page 40 - The Numeric Keypad

Example 3: AutomatedMeasurements TDS 620A, 640A & 644A User Manual 1Ć21 General Purpose Knob Setting and Readout Highlighted Menu Item with Boxed Readout Value General Purpose Knob Icon Figure 1Ć18:ăGeneral Purpose Knob Indicators !$ "" "! " ! $ " ! ! " " " " ...

Page 44 - Recalling a Setup

Example4: Saving Setups TDS 620A, 640A & 644A User Manual 1Ć25 Figure 1Ć20:ăSave/Recall Setup Menu To Setup $ ! # -more- # # # # ! ! # # MEASURE ➞ PositiveWidth # SETUP ➞ Recall Saved Setup ➞ Recall Setup # " ! ! # # # # SETUP ➞ Recall Factory Setup ➞ OK Confirm Factory Init . Recalling a Se...

Page 57 - To bring up these menus:

Ata Glance TDS 620A, 640A & 644A User Manual 2Ć11 Press these buttons: To bring up these menus: Utility Menu - I/O - GPIB (seepage3Ć116) Vertical Channel Menu ( see page 3Ć136) Zoom Menu ( see page 3Ć151) Utility Menu - Calibration ( see page ) Utility Menu - Diagnostics ( see the Service manual...

Page 59 - Triggering; Trigger Sources

TDS 620A, 640A & 644A User Manual 2Ć13 Triggering " "# "!" # #!! # #!! "("# '!" ! "" # # #!! " "" " " $" #!!" # #!! "("# ( #!! "("# ( ! "! # !!" #! & # #) "" "#!#" $! "( &%! ( !# $...

Page 60 - Types

Triggering Operating Basics 2Ć14 AC Line Voltage 1 (' (&& '#)& ' )') +" -#) & ##" ( '" ' & ( (# ( $#+& " &%)"- ,!$ ' " ) *' ') ' (" %)$!"( " $#+& ')$$ ' )' ( (." #' #'#$ "&(' ( (&& -#) # "#( * (# "$)( '&#...

Page 61 - Holdoff

Triggering TDS 620A, 640A & 644A User Manual 2Ć15 Automatic 1 (' (&& !# )(# !# (' ( #' #'#$ 0 %)& +*#&! *" (&& #' "#( #)& )(# !# )'' (!& (( '(&(' (& (&& *"( #)&' "#(& (&& *"( ' "#( (( #& ( (!& (!' #)(...

Page 63 - Trigger Position

Triggering TDS 620A, 640A & 644A User Manual 2Ć17 #!" ! % " %$ " " # ! " "! '# ' !# " %" ! " " "" # ! " " ! " " " " "" # ! " " ! " !"" " '# $!#( " " !" !"" " " "...

Page 65 - Acquisition; Record Length; Sampling and

TDS 620A, 640A & 644A User Manual 2Ć19 Acquisition $"# " # !"" " # $# " %!# # # # # "" # # &%! !! "" !#" # !!"## # $# " ( " # %# % # " # !$! # #!%" $! * Input Signal Sampled Points Digital Values +5.0 V -5.0 V +5.0 V -5.0 V 0 V ...

Page 66 - Sampling; Interpolation; NOTE

Acquisition Operating Basics 2Ć20 Sampling # $ "## &"$ $ %$ # $ $ " # ) "## # %" , Sampling Rate Record Points Figure 2Ć5:ăRealĆTime Sampling Interpolation %" $ "*$ SCALE '# %## $ # $ ## #"$" $ "# $ $ '&" "" #" $ $ " $# $ #$" $ ...

Page 67 - Acquisition Modes

Acquisition TDS 620A, 640A & 644A User Manual 2Ć21 ! " "+"/"% &*"##&*&' *,''&)+* +!) (,"*"+"&% $&* " (!" ($ )& ))* +& +! )% & )(,%"* +!+ % &*"##&*&' % 1 (,") % "*'#. ,)+#. +!+ "* -"+! ...

Page 70 - Aliasing; Delayed Time Base

Scaling and Positioning Waveforms Operating Basics 2Ć24 Aliasing & ((&+ 1'- + /.'*% /!, *)-&1 $'/* , & , ,-$ /.'*% !& !&(-, '* /.'*% !+ &', +,$ .& , '- , $! , &0, ,' TRIG'D !+ $!, $!+!& '-*+ -+ , '+!$$'+'( &&', +%($ , +!&$ +, &'- ,' '&+,*-,...

Page 72 - Measurements; Automated Measurements; Measurement

Operating Basics 2Ć26 Measurements * / % &) ##&)&' %&* &%#. )'#.) (') & ,&#* ,()+) * $ * #)& % #' .&+ $)+( * )'#. %&($* &% ) +( 1 Ch 1 Period 10Ăns Automated Measurements Graticule Ch 1 Frequency 100ĂMHz Cursors D 0$ 0$ Cursor Readouts Figure 2Ć8:ăGraticul...

Page 81 - Stop After

AcquisitionModes Reference 3Ć6 &" ! Envelope Average &" ! ! " $#( ! # # " ! & ! " !' Stop After " ! " %!& $# " ! " $# !"" & " " ! SHIFT ACQUIRE MENU ➞ Stop After ➞ RUN/STOP button only Single Acquisition Sequence Limit Test Cond...

Page 82 - For More

Acquisition Modes TDS 620A, 640A & 644A User Manual 3Ć7 '(( Single Acquisition Sequence ( ) (!)$# !)( .$* '*# (#! (&*# $ &*()$#( . %'((# ) RUN/STOP *))$# # "%! "$ ) )/# $(!!$($% ,!! &*' ,+$'" '$' ,) ) '() +! )'' +#) # ()$% # #+!$% $' +' "$ ) )/# $(!!$($% ,!! " ) (...

Page 85 - Operation

Reference 3Ć10 Color (TDS 644A) #!) "$ "$ "# " % $# ) % # !$$# "# '$ "# $ ## $ '$ !# "$ " %! $ " % "## DISPLAY $ # ' $ #!) % "## Settings $ % %$ ) % #$ Color " $ ! !*%! % # %" * Figure 3Ć4:ăDisplay Menu Ċ Setting Color $# ) % $" " #$$# "...

Page 86 - Choose Palette

Color TDS 620A, 640A & 644A User Manual 3Ć11 Choose Palette & $ !%% #$ # & !#*$% !%%$ $ % $%#% !%% ) $% Palette # % & % % ' !%%$ % $ & $ # Normal Bold Hardcopy Preview # Monochrome ) & # &$ !#$$% $!) ($ % '#) % # ! % ! %$ !#$$% $ Persistence Palettes $ Temperature Spectra...

Page 87 - Set Math Waveform Color

Color Reference 3Ć12 ScrTxt Figure 3Ć5:ăDisplay Menu Ċ Palette Colors !( $# $ ( $!$&' , %&''# &%(!, Color # ( ' "#) ,$) +#( ($ )' ( ($&, )!( $& (' $!$& %&'' ( ' "#) Reset to Factory Color $$' Hue &$" ( ' "#) # )' ( #&! %)&%$' #$ $& ,% ($ '!...

Page 88 - Set Reference Waveform Color

Color TDS 620A, 640A & 644A User Manual 3Ć13 &# %" " !! " !" " %$ " ! !! Color & " # " ! &# %" " !" " %$ " " ! ! " %$ " ! ! !" Color Matches Contents " " %$ ! ! # %$ ! " " %$ % #! " " !" !...

Page 89 - SelectOptions

Color Reference 3Ć14 SelectOptions $! ! $ $ $# ! $# ! Options " ! ! !! %" $ ! " ! & % ! Collision Contrast ! " ! ON Restore Colors ! ! ! !% "! !! ! " Restore Colors ! " ' ! $! %" $ ! ! % Reset Current Palette To Factory Reset All Palettes To Factory ResetAll Mappi...

Page 90 - Cursor Measurements; Description

TDS 620A, 640A & 644A User Manual 3Ć15 Cursor Measurements & ' (%&"%& '" &(% ' %! '% ! ' "% )"' - '*! '*" "'"!& ! *)"% %"% (%&"%& % (# " '*" %%& '' +"( #"&'"! *' ' !% #(%#"& !" "( "...

Page 91 - Cursor Readouts

Cursor Measurements Reference 3Ć16 NOTE ! ! ! " & & (+# )&'#& !#' " ' )& . Tracking Mode Only Selected Cursor Moves Both Cursors Move in Tandem Independent Mode Figure 3Ć9:ăCursor Modes " "$""( !# -#) !#* #" - #" )&'#& ( (! )'" ( "&...

Page 92 - Function

Cursor Measurements TDS 620A, 640A & 644A User Manual 3Ć17 #$" $ #'# $ $ #$ $ #$ %"#" "$& $ $ $"" $ $ " $$ $ #$ %"#" # D #'# $ $ " $' $ $' %"#"# ( $ %"#"# " $ # " Paired: $ &% $" D #'# $ &$ " $' $ $ $' # $ $"...

Page 94 - Time Units

Cursor Measurements TDS 620A, 640A & 644A User Manual 3Ć19 Time Units +1 * %++/" 0+ !&/,(4 2".0& ( . 1./+. ."/1(0/ &* 1*&0/ +# 0&)" +. #."-1"* 4 # 4+1 %2" ,0&+* &!"+ 4+1 * (/+ !&/,(4 0%" ."/1(0/ &* 0".)/ +# 2&!&#...

Page 96 - Delayed Runs After Main

Delayed Triggering TDS 620A, 640A & 644A User Manual 3Ć21 *'& ' (&%.&# ' '! *'& "% ' !+' , '%% )!' ! '! $(%& *'& "% ' &# !( % " , '%% )!'& ! '! $(%& *'& "% ' &# !( % " , '%% )!'& '! *'& ' (&%.&# ' ! '! $(%& '-! &...

Page 98 - DelayedTriggerable

DelayedTriggering TDS 620A, 640A & 644A User Manual 3Ć23 DelayedTriggerable ). '.,- '% ,.+ -#- -# $( +$"" + ' (. , --$(", + )'*-$& 0$-# &2 +$"" +& + ,, TRIGGER MENU ! Type $, , - -) Logic *+ ,, Type '$( -) #(" $- -) $-# + Edge )+ Pulse , !$-, 2).+ **&$-$)(...

Page 101 - Display Modes; Display Style

Reference 3Ć26 Display Modes %+ !$!$!" $"* ('!# #!#$ # % (*$ $"* & %$ *!& &$% % !$!$!" $"* $%* % $%* ' #%& !#% ! # &" % $"* & #$$ DISPLAY %! $!( % $"* & % "#$$ Setting % & & % *!& $% Display #! % "!",&" &...

Page 102 - Intensity

Display Modes TDS 620A, 640A & 644A User Manual 3Ć27 Vectors &1 2&# "'1.*7 "05 4#!2-01 *',#1 #25##, 2&# 0#!-0" .-',21 Dots "'1.*7 54#$-0+ 0#!-0" .-',21 1 "-21 Intensified Samples *1- "'1.*71 54#$-0+ 0#!-0" .-',21 1 "-21 -5#4#0 2&# .-',21 !23**7...

Page 104 - Filter Type

Display Modes TDS 620A, 640A & 644A User Manual 3Ć29 Filter Type &$ , '% ',$& % &"++ "'%$# '#" " "% "'%$# '#" #% !#% "#%!'#" & ' "!#&% &'#" $ . %&& DISPLAY ➞ Filter !" ➞ Sin(x)/x Interpolation #% Linear InterpoĆ lati...

Page 108 - Coupling

Edge Triggering TDS 620A, 640A & 644A User Manual 3Ć33 Figure 3Ć19:ăMain Trigger Menu Ċ Edge Type Coupling ! %& & !'" *!' ) & $%% TRIGGER MENU ➞ Type ➞ Edge "!",'" ➞ CouĆ pling ➞ DC AC HF Rej LF Rej !$ Noise Rej % DC "%%% ! & "'& % !&$ )!$% & &...

Page 115 - Cursor Measurements of an FFT

Fast Fourier Transforms Reference 3Ć40 Cursor Measurements of an FFT )! 4*0 $1! %.+'4! ) (/$ 21!"*-( 0.! 0-.*-. /* (!.0-! %/. "-!,0!)4 (+'%/0 ! *- +$.! )#'! ! .0-! MORE %. .!'!/! %) /$! $))!' .!'!/%*) 0//*). ) /$/ /$! (/$ 21!"*-( %. .!'!/! %) /$! More (%) (!)0 -!.. CURSOR ➞ Mode (%) ➞ In...

Page 116 - Automated Measurements of an FFT; Considerations for

Fast Fourier Transforms TDS 620A, 640A & 644A User Manual 3Ć41 Figure 3Ć23:ăCursor Measurement of an FFT Waveform &'' Function !" ➞ Paired ' ' ( ("%) )'( #)( " (# $ ( *&( & # $& )&'#& (# ( $#"(' #" ( #&.#"( ,' -#) & "(&'( " ( !$...

Page 118 - FFTs Transform Time Records to Frequency Records; FFT Frequency Range and Resolution

Fast Fourier Transforms TDS 620A, 640A & 644A User Manual 3Ć43 Zero Phase Reference %! ! > %! ! ≤ FFT Time Domain Record = Waveform Record Zero Phase Reference FFT Time Domain Record = 10k Figure 3Ć24:ăWaveform Record vs. FFT Time Domain Record FFTs Transform Time Records to Frequency Records...

Page 126 - Window Characteristics

Fast Fourier Transforms TDS 620A, 640A & 644A User Manual 3Ć51 Window Characteristics 1 " * )(" +"#+ #& )' -#) !- +"( (# ,!" #+ ( !#' ( (! #!" ( )& 0 '#+' +"#+ (' "$'' &(&'( "+( " '( ' # #"'& ( # #+" &(&'(' "&&am...

Page 133 - Setting Communication Parameters

Hardcopy Reference 3Ć58 ! '$ ! ' '$ # "# $ $#" ! ' !#!" " "$"" ""$" ## # ! ' % " !' # # # !# # !! ## " # # " " ( Setting Communication Parameters "# $ # $# !#!" # # # !#! ## !#' # # "" !# !"" SHIFT UTILITY ➞ System ➞ I/O...

Page 134 - Setting Hardcopy Parameters

Hardcopy TDS 620A, 640A & 644A User Manual 3Ć59 Setting Hardcopy Parameters * .+!%"3 /$! $- *+3 "*-(/ '3*0/ ) /3+! *" +*-/ 0.%)# /$! $- *+3 (!)0 -!.. SHIFT HARDCOPY MENU /* -%)# 0+ /$! - *+3 (!)0 -!.. Format (%) ➞ Thinkjet Deskjet Laserjet Epson DPUĆ411, DPUĆ412 PCX PCXColor TIFF BMP...

Page 135 - Date/Time Stamping Your Hardcopy

Hardcopy Reference 3Ć60 ( +,() ' #+* ," "*()1 #'! +', )*++ HARDCOPY !#' ," "*()1 #' )*(++ &++! #+ +,#%% (' +*' ( #,#('% "*()#+ ,( ," )*#',* +)((% )*++ HARDCOPY !#' ," "*()1 #' )*(++ &++! #+ *&(. *(& ," +*' (- ' "*()#+ ,( ," +)((% -',#% #, #...

Page 136 - Connection

Hardcopy TDS 620A, 640A & 644A User Manual 3Ć61 Date and Time Display Figure3Ć33:ăDateand TimeDisplay & ' "% $(%$#& "# #% ' ,$ '# &' ' $%!'% ,#( ) #&" '# ' ) ( &% #%!' *" (&" ' ,$ & ,!#"' #% +!$ (& #% ' % # (" $' &'$& " '# &...

Page 141 - Horizontal Control; Horizontal Knobs

Reference 3Ć66 Horizontal Control ! % $ ! % ! $ % $! ! ! #" $ ! % $! " #" #" !$ !! # $! ! % "# #" % ! % POSITION % SCALE !& % #" $! ! % SCALE POSITION $! #"& $ $! ! % SCALE POSITION $! $ #" $! # POSITION " SHIFT ! " ! $ $ Coarse Knobs ! POSIĆ TION ...

Page 147 - Limit Test Sources

Limit Testing Reference 3Ć72 * & ($ % #% %# % %$% %!% $% # % %# $+ %% % ' '#(#% % %!% * & ' &$% #% * & ($ % '( % %!% * & ' #% !#$$ % MORE &%% !#$$ % &%% ##$! % % $%% ##+ #* * & ' &$ (' # !!#$ % $!* Dots $!* $ ! Limit Test Sources ( $!* % %% ( "&# % (' #$ %...

Page 148 - Single Waveform Comparisons; Single and Multiple

Limit Testing TDS 620A, 640A & 644A User Manual 3Ć73 0', .&+ +' *& !)'(0 '%%& .!& .-')% +/* +! $"%"+* *+ +' $ Hardcopy if Condition Met *" +' ON ', & *+ +! !)'(0 *0*+% +' *& +! !)'(0 +' +! "$ *0*+% '(+"'&$ '& +! ' &'+ ') + +' *+ ,( +! !)'(0...

Page 152 - Operations Common

Logic Triggering TDS 620A, 640A & 644A User Manual 3Ć77 TableĂ3Ć3:ăLogic Triggers Pattern State Definition 1,2 AND Clocked AND 3 NAND Clocked NAND " 3 " OR Clocked OR " 3 " NOR Clocked NOR " 3 " 1 Note that for State class triggers, the definition must be met at the time ...

Page 154 - Define Inputs; Pattern Operations

Logic Triggering TDS 620A, 640A & 644A User Manual 3Ć79 Mode & Holdoff )/ ( #(" .# #)&)!! .$' ( - & . .# .,$"" , ') /-$(" .#$- ' (/ $. ' , -- TRIGGER MENU ➞ Type '$( ➞ Logic *)*3/* ➞ Class '$( ➞ Pattern ), State *)*3/* ➞ Mode & Holdoff '$( ➞ Auto ), Normal -$ ( Au...

Page 155 - Define a Time Qualified Pattern Trigger

Logic Triggering Reference 3Ć80 Define a Time Qualified Pattern Trigger *0 ) '.* /%(! ,0'%"3 +//!-) '*#% /-%##!- $/ %. 3*0 .+!%"3 /%(! /$/ /$! **'!) '*#% "0)/%*) *- (0./ ! '*#% $%#$ *0 '.* $**.! /$! /3+! *" /%(! ,0'%"%/%*) #-!/!- *- '!.. /$) /$! /%(! '%(%/ .+!%"%! . 2!'' . /$...

Page 156 - StateOperations

Logic Triggering TDS 620A, 640A & 644A User Manual 3Ć81 Logic Function (AND) Becomes TRUE Logic Function Becomes FALSE and Triggers Acquisition Time Logic Function is TRUE Time Logic Function Must be TRUE Figure 3Ć43:ăLogic Trigger Menu Ċ Time Qualified TRUE % /&+ )#* State #&! *(!(!% * ...

Page 157 - Define Logic

Logic Triggering Reference 3Ć82 Define Logic TRIGGER MENU ➞ Type ➞ Logic ➞ Class ➞ State ➞ Define Logic ➞ AND OR NAND NOR For More Information

Page 163 - Gated Measurements

Measurement System Reference 3Ć88 Gated Measurements &! &'$ &% *"' & %'$ !&% &" %# #"$&"! " & )("$ ! &! % Off & "%"%"# % %'$ !&% "($ & !&$ )("$ $"$ ! &! % &(& ($& '$%"$% $ %#* % &a...

Page 164 - HighĆLow Setup

Measurement System TDS 620A, 640A & 644A User Manual 3Ć89 ! ! HighĆLow Setup " HighĆLow Setup #-& )+(/#, -0( "(#, (+ "(0 -" (,#%%(,() -+&#', -" #!" ' (0 %/%, ( 0/ (+&, ", + ' ! #,-(!+& ,-, -" /%., ,--#,-#%%2 - ,%-, -" &(,- (&&(' /%....

Page 166 - Delay Edges

Measurement System TDS 620A, 640A & 644A User Manual 3Ć91 !"" Measure Delay to " ! #' # " # ' &%( ! " ! Ch1 Ch2 Ch3, Ch4 # Ch1, Ch2, Ax1 Ax2 # Math1 Math2 Math3 Ref1 Ref2 Ref3 Ref4. Figure 3Ć48:ăMeasure Delay Menu Ċ Delay To Delay Edges ) $ # Edges #" '$ " ' &...

Page 167 - Creating the Delay Measurement; Snapshot of

Measurement System Reference 3Ć92 Creating the Delay Measurement - *!& ' $" % ('!#$ *!& # $&# %( ( $ %! &$ *!& %! !%* % %+ !$!$!" %! "#! (% % $&# % #$$ Delay To ➞ OK Create Measurement $ ! )% % $&# * & (%!&% #% * $&# % "#$$ CLEAR MENU ( #%&...

Page 169 - Probe Cal; Probe Cal vs. Probe Type

Reference 3Ć94 Probe Cal #$- )-$&&)-)* & .- 3)/ )'* (-. .# (.$, -$"(& *.# !,)' *,) .$* .) $"$.$4 -$"(& .) $'*,)0 .# "$( ( )!!- . /,3 )! .# *,) 3 2 /.$(" )( #(( & 1$.# $.- *,) $(-.&& 3)/ ( )*.$'$4 .# )-$&&)-)* *$&$.3 .) '% /,. ' -/, ' (....

Page 178 - High Voltage Probes

Probe Selection TDS 620A, 640A & 644A User Manual 3Ć103 + (*'+ %-+, ,*%!&, !& W +'( !&(-, &(-, (!,& !+ %- $'/* , & ! (++!. (*'+ ,1(!$$1 ( -, !&(-, *+!+2 ,& !+ $+' $'/* ,' W ,1(!$$1 $, '- , , $'!& *+ %($!,- -*1 , $'/* !&(-, (!,& *-+ ! *)-&1 $'!&...

Page 180 - Current Probes

Probe Selection TDS 620A, 640A & 644A User Manual 3Ć105 #%& '" #%&, "!!' ,"(% !&'%( !' '" ,"(% ).(!%.'&' & #%"& ) ' & '% %'%&'& & &# ') #%"& (' (& & % ! &! (%%!' #%"& ! ,"( '" %', "&%)...

Page 182 - Probes by Type

Probe Selection TDS 620A, 640A & 644A UserManual 3Ć107 Table 3Ć6 lists T DS 600A compatible probes classified by type. TableĂ3Ć6:ăTDS 600A Compatible Probes Probe Type Tektronix Model Description Passive, high impedance voltage P6139A (std.) P6101A 10X, 500 MHz 1X, 15ĂMHz Passive, SMD P6563AS 20...

Page 183 - Probes by

Probe Selection Reference 3Ć108 *+/&#- 24 /+ !(..'$4 ,-+ #. '. 4 ,,('!/'+* '$$#-#*/ ,,('!/'+*. "#)*" "'$$#-#*/ ,-+ #. .# (# 5 /+ .#(#!/ ,-+ # $+- 4+0- ,,('!5 /'+* TableĂ3Ć7:ăProbes by Application Probe Type TelecommuniĆ cations & HighĆSpeed Logic Industrial Electronics Consumer/ ...

Page 184 - Pulse Triggering

TDS 620A, 640A & 644A User Manual 3Ć109 Pulse Triggering '% &$$! ! ($+ '%' "$ * # +"' & &%&! #$"'& )& & ! & #")$ %'##+ & ##$% "! + " !%& " %&&! + ! )&! "$ & &" ##$ +"' ! '% #'% &$$! &"...

Page 186 - Source

Pulse Triggering TDS 620A, 640A & 644A User Manual 3Ć111 $) ' (&& !")' ( ,#) " ( $) ' '#)& ' ( ( !# )(# #& "#&! " )'( ( # # # &" )$ ( ) ' && !") &'' TRIGGER MENU ➞ Type !" ➞ Pulse $#$-)$ ➞ Class !" ➞ Glitch Runt #& Width $#$...

Page 187 - Level; Glitch Operations

Pulse Triggering Reference 3Ć112 Normal $ ## !%"# '&" ( $" # & $"" % " # !%#$ ( "## FORCE TRIGGER $ $ "## Holdoff # # $ " %") # " $ ( $ $" $ &% "$ (% #$ $ %# ## Glitch $ ## ' $"" %# ""'" " '" '$ $ # # $ Polar...

Page 188 - Polarity; Runt Operation

Pulse Triggering TDS 620A, 640A & 644A User Manual 3Ć113 ,$) '!( Set to 50% ,$) )' ( (-# $'!!$'$% ($ '& $& ( %$#( !+, (+# ( % ' $ ( (&& '$)& '#! # '( ( (&& !*! ($ (( %$#( # ,$) '!( ( %)!' !'' Runt ( $'!!$'$% +!! (&& $# '$&( %)!' (( &$''' $# (&'$! )...

Page 190 - Width Operation

Pulse Triggering TDS 620A, 640A & 644A User Manual 3Ć115 !"" # !#( "## #!! $!" # # # # !$# $" #" !"# #!" ($ "# # $" "" Width # "" & #!! $" !!&! ! &! # " " # ( # $! # &! # Polarity &#! # $"" ! "#% ...

Page 192 - Cables; GPIB Parameters

Remote Communication TDS 620A, 640A & 644A User Manual 3Ć117 "2& " "2& " "2& " "2& " "2& " "2& " "2& " Figure 3Ć59:ăTypical GPIB Network Configuration Cables 7 * 0! (" 2&((" #.+) "'0.+*&4 ,.0 ...

Page 198 - Saving and Recalling Waveforms

TDS 620A, 640A & 644A User Manual 3Ć123 Saving and Recalling Waveforms $* # ()$' ,+$'" # #. $ ) $*' #)'#! ''# ""$'( $ ) )/# $(!!$($% ) #$'")$# ( ')# +# ,# .$* )*'# ) $(!!$($% $ $' *#%!* ) $* # (+ #. $"#)$# $ '#) (/ ,+$'" '$'( )/# $(!!$($% # (%!. *% )$ ,+$'"( ) $# )...

Page 200 - Running File Utilities

Saving and Recalling Waveforms TDS 620A, 640A & 644A User Manual 3Ć125 $%'& %$!$ %& + % )& .WFM *& %! % $ %"+ + "$%% $! & %, ' To Ref1 To Ref2 To Ref3, !$ To Ref4 !% &! !"& & !"$&! Figure 3Ć65:ăMore Menu Autosave (TDS 640A and 644A only) ! '% '...

Page 202 - Removing Waveforms From the Display

Selecting Channels TDS 620A, 640A & 644A User Manual 3Ć127 ( + % ,$'" #'' % * ++$'" CH 1, CH 2, CH 3 AUX 1 (' ,# (* CH 4 AUX 2 (' ,# ,-*'+ ,# #'' % (' $! $, $+ '(, %* 1 (' (- ( '(, -+ ,# #'' % + % ,$(' -,,('+ /# ' ,*$"" *$'" '+, 1(- + % , ,# ,*$"" * +(-* $' ,# $' *$&#...

Page 206 - Banner

Status TDS 620A, 640A & 644A User Manual 3Ć131 ! ! SHIFT STATUS ➞ Banner " Figure 3Ć70:ăBanner Display Banner

Page 207 - MAIN LEVEL Knob; Trigger Buttonand

Reference 3Ć132 Triggering ''( )'"# ,# ) ).# $(!!$($% ()')( &*'# # (%!-# ,+$'" ( $*' )-%( $ )'' !$ %*!( # ,) $%)$# +$ !)$* )( )''( ' *#&* )- + ($" $""$# ')'()( )) # # # "$ *(# ) '' "#* *))$#( # #$ ( ')! (*((( )( $""$# ')'()( $ !'# $*) ) #'! $#%) $ )''# ( #...

Page 208 - Force Trigger; Readouts

Triggering TDS 620A, 640A & 644A User Manual 3Ć133 To Set to 50% *0 ) ,0%&'4 */%) ) ! #! *- +0'.! /-%##!- !3!+/ "*- /$! 0)/ '.. 4 +-!..%)# SETLEVEL TO 50%. $! *.%''*.*+! .!/. /$! /-%##!- '!1!' /* /$! $'"24 +*%)/ !/2!!) /$! +!&. *" /$! /-%##!- .%#)' *0 ) '.* .!/ /$! '!1!' /* %...

Page 210 - Trigger Menu

Triggering TDS 620A, 640A & 644A User Manual 3Ć135 Trigger Position Relative to the Display and Waveform Record Trigger Point Indicator Indicating the Trigger Position on the Waveform Record Trigger Bar Indicating the Trigger Level on the Waveform Record Figure 3Ć73:ăRecord View, Trigger Positio...

Page 211 - Vertical Control; Vertical Knobs

Reference 3Ć136 Vertical Control % $" $ &"$ ! #$ # $ #$ '& " %# $ &"$ % # ( $ &"$ # ( % %# !"$%" ! "$ '& " ( %#$ $ &"$ ! #$ ( % & $ '& " %! " ' $ #!( $ # !"$%"( %#% ' ( % " !" $' " " '& "#...

Page 213 - Bandwidth

Vertical Control Reference 3Ć138 Bandwidth $ !"#) ) ' '&*#. $"%$##)( # ) #,) $ ) (!) ##! '(( VERTICAL MENU ➞ Bandwidth "# ➞ Full 100 MHz $' 20ĂMHz ( Fine Scale '(( VERTICAL MENU ➞ Fine Scale "# )$ " # *()"#)( )$ ) +')! (! *(# ) #'! %*'%$( #$ $' ) .% Position '(( VERTICAL ...

Page 214 - Waveform Differentiation

TDS 620A, 640A & 644A User Manual 3Ć139 Waveform Differentiation /' -! ()-"('% (' )+(/", -!- %%(0, 1(. -( ",)%1 +"/-"/ &-! 0/(+& -!- "'"-, -! "',-'-'(., +- ( !' ( -! 0/(+& *."+ .! 0/(+&, + ., "' -! &,.+&'- ( ,%0 +- ( &)%"...

Page 215 - Automated Measurements of a Derivative Waveform

Waveform Differentation Reference 3Ć140 Figure 3Ć75:ăDerivative MathWaveform '(( Set Function to ( %)!- %'(( ) (" *))$# $' *( ) #'! %*'%$( #$ *#)! diff %%'( # ) "#* !! '(( OK Create MathWfm ( )$ (%!- ) '+)+ $ ) ,+/ $'" -$* #%*) # ()% $* ($*! #$, + -$*' '+)+ ") ,+$'" $# ('# ( ) ')...

Page 216 - Cursor Measurement of a Derivative Waveform; Usage

WaveformDifferentation TDS 620A, 640A & 644A User Manual 3Ć141 Figure 3Ć76:ăPeakĆPeak Amplitude Measurement of a Derivative Waveform Cursor Measurement of a Derivative Waveform ! ! ! ! " " #" ! ! ! % ! ! ! ! " " #" # " " % % #" ! ! #" " #" # Offset...

Page 217 - Zoom

Waveform Differentation Reference 3Ć142 )&/ 53*/( 4)& 6&24*$"- 3$"-& ,/0# 40 3$"-& 4)& 3052$& 7"6&'02. /04& 4)"4 *4 "-30 3$"-&3 9052 %&2*6"4*6& 7"6&'02. &$"53& 0' 4)& .&4)0% 4)& 03$*--03$0...

Page 218 - Waveform Integration

TDS 620A, 640A & 644A User Manual 3Ć143 Waveform Integration +# ) $%)$#! $# %'$+( )) !!$,( -$* )$ (%!- # #)'! ") ,+$'" )) ( # #)') +'($# $ ) &*' ,+$'" * ,+$'"( # *( # ) $!!$,# %%!)$#( (*'# $ %$,' # #'- (* ( # (,)# %$,' (*%%!( ')'.# "#! )'#(*'( ( ,# #)')# ) $*)%*) $ # !'$&...

Page 219 - Cursor Measurements of an Integral Waveform

Waveform Integration Reference 3Ć144 &'' Set Function to ' $( , $&'' ( '! )((#" )"( intg $$&' " ( !") &'' OK Create Math Waveform ' (# ()&" #" ( "(& !( +*#&! #) '#) "#+ * ,#)& "(& !( +*#&! #" '&" )& . ' ( &am...

Page 221 - Automated Measurements of a Integral Waveform

Waveform Integration Reference 3Ć146 * $*(* ,%"* %,( * # *-$ * % * )"* +()%( $ * (($ $ *%( % * #* -,%(# (%# * @: (%+* * * # ($ *-$ * ,(* " () % * & ( +()%() (%# * D : (%+* Automated Measurements of a Integral Waveform %+ $ ")% +) +*%#* #)+(#$*) *% #)+( $*(" #* -,/ %(#) ) * )#...

Page 224 - Single Wfm Math

Waveform Math TDS 620A, 640A & 644A User Manual 3Ć149 If your digitizing oscilloscope is equipped with Advanced DSP Math (optionalon TDS 620A & TDS 640A), the menu item will be at the same brightness ) * #$+ *#) Single Wfm Math $ Dual Wfm Math %*(- ) FFT - "" ## See pages 3Ć36, 3Ć139...

Page 225 - Dual Wfm Math

Waveform Math Reference 3Ć150 Figure 3Ć80:ăDual Waveform Math Main and Side Menus Dual Wfm Math & & %!'$% )& MORE ➞ Math1 Math2 !$ Math3 ➞ Change Math waveform definition % ➞ Dual Wfm Math ➞ Set 1st Source to Set 2nd Source to % &$ & %!'$% * $"&* "$%% & ""...

Page 226 - Zoom and

TDS 620A, 640A & 644A User Manual 3Ć151 Zoom - -#&, 2(. &2 0'- -( 1)' (+ (&)+,, 0/ (+& (' -" #,)%2 0#-"(.- "'!#'! -" *.#,#-#(' )+&-+, (. ' ( -"- 0#-" -" 3((& -.+ "' 2(. 3((& #' (' 0/ (+& (' -" #,)%2 2(. 1)' )(+-#(' ( -" 0/ (...

Page 227 - Setting Interpolation

Zoom Reference 3Ć152 NOTE Horizontal Lock Only the selected waveform (the top one) changes size. Figure 3Ć81:ăZoom Mode with Horizontal Lock Set to None Setting Interpolation DISPLAY ➞ Filter ➞ Sin(x)/x Interpolation Linear InterĆ polation .

Page 228 - Reset Zoom; For Further

Zoom TDS 620A, 640A & 644A User Manual 3Ć153 Reset Zoom ! #$% '!! %!#$ %! %# &%$ $ ( "#$$ ZOOM ➞ Reset Zoom Factors $ TableĂ3Ć9:ăZoom Defaults Parameter Setting !! #% !$%! !! #% !! !#'! % !$%! # !#'! % !$%! !! !#'! % #$$ ZOOM ➞ Off $ %! #%&# %! !# !$!$!" ! ('!! !"#%! ! " ...

Page 231 - Appendix A: Options and Accessories; Service Assurance Options; Options

TDS 620A, 640A & 644A User Manual AĆ1 Appendix A: Options and Accessories $%- -!.%*) !-,%!- .$! *+.%*)- .$! -.) , !--*,%!- ) .$! *+5 .%*)' !--*,%!- .$. ,! 0%''! "*, .$! %#%.%4%)# -%''*5 -*+!- $! "*''*1%)# *+.%*)- ,! 0%''! Options A1-A5: International Power Cords !-% !- .$! -.) , *,.$ (!,...

Page 232 - Option 1R: Rackmounted Digitizing Oscilloscope

Appendix A: Options and Accessories Appendices AĆ2 Option 1F: File System (Standard on TDS 644A) $.# .#$- )*.$)( %.,)($2 -#$*- .# $"$.$4$(" )-$&&)-)* 1$.# !&)**3 $-% ,$0 ( 0,$ .3 )! ! ./, - !), '("$(" .# !&)**3 $-% $.# .# !$& -3-. ' 3)/ ( -0 ( , && - ./*- ...

Page 233 - Option 24: Add Four Passive Probes; Standard

Appendix A: Options and Accessories TDS 620A, 640A & 644A User Manual AĆ3 Option 23: Additional Probes Ċ (TDS 620A only) !+5* 5*+4 015+0/ ',530/+9 4*+14 580 #&&+5+0/#- 130$'4 +&'/5+%#- 50 5*' 580 45#/&#3&<#%%'4403: 130$'4 /03.#--: 4*+11'& 8+5* 5*' +/4536.'/5 *+4 1307+&...

Page 239 - End; MCross Calculations; MCross1Polarity

Appendix B: Algorithms TDS 620A, 640A & 644A User Manual AĆ9 End 1 ( ) "%) %$ % ) $ % ) #(*'#$) /%$ 0+"* ) ( RecordLength (#&"( *$"(( .%* ' #! $ ) #(*'#$) $ .%* *( ) #(*'#$)( ) ( ) "%) %$ % ) ' ) +') " *'(%' Hysteresis 1 .()'( ( $ ( % ) ,+%'# #&" )* ) ( *( $ M...

Page 240 - TPOS; Amplitude

Appendix B: Algorithms Appendices AĆ10 MidRef + (Hysteresis x Amplitude) MidRef - (Hysteresis x Amplitude) MidRef MCross1 (StartCycle) MCross2 MCross3 (EndCycle) Figure AĆ1:ăMCross Calculations Waveform[<0.0 ... RecordLength-1.0>] ) " # $! # TPOS ) " # # # " $"# ! # #!! # # # !...

Page 241 - Cycle Area

Appendix B: Algorithms TDS 620A, 640A & 644A UserManual AĆ11 # %$ % %#% #% $ !* Cycle Area !%& ' % $&#% # '# (' # ) # *) % ) & % !## % &$ % # $&#% StartCycle EndCycle % #%&# % %#! % '& % StartCycle CycleMean ŕ EndCycle StartCycle Waveform ( t )dt # %$ % %#% #% $ !* Bu...

Page 243 - Frequency

Appendix B: Algorithms TDS 620A, 640A & 644A User Manual AĆ13 High HighRef LowRef Low TLF THF Fall Time Figure AĆ2:ăFall Time Frequency $&#% #!# % !# $&# #%+ + (# + * !# $ Period # $ %#($ #%&# ## # Frequency Period High $% ' % ## '& , ( ## %$ $% $ % -) $&#% %"& High M...

Page 244 - Maximum; Minimum; Negative Overshoot

Appendix B: Algorithms Appendices AĆ14 Maximum "&' (!& %'$ & *' (!& +"+ & !%& "!%&( " (!& * Waveform[ ] %"% $! Start &! End '%( %& Max #' &! & $&%& &' Waveform[ ] (' !' Mean $&& !$ ! )(!$ $ && ! )(!$ % !&...

Page 246 - Positive Duty Cycle; Positive Overshoot

Appendix B: Algorithms Appendices AĆ16 ! -# -+" - 0/ !)+' & , -# + ! + ( 0/ !)+' *#, $, *),$-$/ $! $- &", ( "-$/ #, $, ()- /$&& $( -# (*,#)- $,*&2 Positive Duty Cycle $'$(" ' ,.+ ' (- # +-$) )! -# *),$-$/ *.&, 0$-# -) -# ,$"(& * +$) 1*+ ,, , * + (-"...

Page 247 - Integration Algorithm

Appendix B: Algorithms TDS 620A, 640A & 644A User Manual AĆ17 %" TLR "!'!( ' &% ""! "% %"&&! " HighRef #. ' TLR &(&$(!' LowRef %"&&!& % "(! HighRef %"&&. ! & "(! ' " & ' %& ' "% THR & !% !...

Page 249 - Missing or

Appendix B: Algorithms TDS 620A, 640A & 644A User Manual AĆ19 ! $# ( ! "! $ & !! !$ $ ! '! " ! ! #" ! ! ! "( ! $ " ! # ! #" ! ! $ ( "! ! "! $ # $ ! !! ! % ' ! "! " & %! ! "! !& ! " ! # ## ! !!" & MidRef Both min and max samples ...

Page 251 - Appendix C: Packaging forShipment

TDS 620A, 640A & 644A UserManual AĆ21 Appendix C: Packaging forShipment -#) '$ ( (." #' #'#$ $ ( " ( #&" '$$" &(#" " $" !(& ( #&" $" !(& ' "#( * $0 ( "'(&)!"( ' # #+' (" #&&)( &#& '$$" &(#" +(...

Page 260 - Glossary

TDS 620A, 640A & 644A User Manual GlossaryĆ1 Glossary AC coupling &+" ! % &$ %%%! && !% & !"! & ! % '& '%% & + !"! & %' !$ !%$( % && % !$+ $ ! % Accuracy !% %% ! & & (' &! & &$' (' Acquisition "$!%% ! %" % % $! &...

Page 271 - Index; Numbers

TDS 620A, 640A & 644A User Manual IndexĆ1 Index Numbers 1/seconds (Hz) -*+'* %&- 100 MHz *,"$ %&- 20 MHz *,"$ %&- A '-($"& $"& .'$, ,*" * "&(-, AC "& *" * %&- Accept Glitch "& *" * %&- ++'*"+ (,"'&$ *'+ '...

Tektronix TDS 644A - Manual

Table of Contents:

Summary

Other Tektronix Models