Tektronix 070-7066-02 User Manual Download

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Summary of Contents for 070-7066-02

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Page 2: ... follows 1 Typed text pages are typically scanned in black and white at 300 dpi 2 Photo pages are typicallyscanned in gray scale mode at 600 dpi 3 Schematic diagram pages are typically scanned in black and white at 600 dpi unless the original manual had colored high lighting as is the case for some 70 s vintage Tektronix manuals If you purchased this manual from us typically through our Ebay name ...

Page 3: ...ix Inc Beaverton Oregon USA E200000 Tektronix United Kingdom Ltd London J300000 SonyrTektronix Japan H700000 Tektronix Holland NV Heerenveen The Netherlands Instruments manufacturedfor Tektronix by external vendors outside the United States are assigned a two digit alpha code to identifythe country of manufacture e g JP for Japan HK for Hong Kong ILfor Israel etc Tektronix Inc PO Box 500 Beaverton...

Page 4: ...ny other locations This warranty shall not applyto any defect failure or damage caused by improper use or improper or inadequatemaintenance and care Tektronixshall not be obligatedto furnish service under this warranty a to repair damage resultingfrom attempts by personnelother than Tektronix representativesto install repair or service the product b to repair damage resultingfrom improper use or c...

Page 5: ... been supplied in a safe condition This manual contains some information and warnings which haveto be followed by the user to ensure safe operation and to retain the apparatus in safe condition The apparatus has been designed for indoor use It may occasionally be subjected to temperatures between So C and 10 C without degradation of its safety ...

Page 6: ...tes angezeigt und die Berechtigung zur berprufung der Serie auf Einhalten der Bestimmungeneingeraumt TEKTRONIX NOTICEto the userloperator The German Postal Service requires that systems assembled by the operatorluserof this instrument must also comply with Postal Regulation Vfg 104611984 Par 2 Sect 1 HlNWElSfiir den BenutzerIBetreiber Die vom Betreiber zusammengestellte Anlage innerhalb derer dies...

Page 7: ...the 2232 Digital Storage Oscilloscope 8 The 2232 Service Manualcontains extended service information includ ing circuit description schematics and a complete electricalparts list There are two service manuals part number 070 7067 01documents instrumentswith serial numbers B010100to 8029999 and part number 070 8548 00is for serial numbers I3030000and above The 2221A 2224 2232 OptionalGPlB RS 232 CI...

Page 8: ...Welcome ...

Page 9: ...Compensation Installingthe Accessory Pouch Using the Power Cord Wrap At a Glance Front Panel Power Switch CRT Display Display Mode CRT Display Controls Vertical Controls and Connections Horizontal Controls Trigger Controls Cursor Controls Acquisition Controls Save Reference Memory Buttons Setup Menus Acquisition Menu DisplayMenu Format Reference Menu NVmem Reference Menu PlotMenu Advanced Function...

Page 10: ... Accumulating Signal Peaks ACCPEAK DetectingSignal Glitches Averaging Signals Sampling Signals Clocking Acquisitions Selectingthe Acquisition Record Length 1K 4K Compressingthe Acquisition Record Length 4K Compress Positioningthe Acquisition Record Preventing SignalAliases DisplayingMagnified Sweeps Usingthe X I 0 Magnifier DisplayingTwo Channels Comparing Two Signals Adding Two Signals Subtractin...

Page 11: ...5 Saving and Recalling Waveforms 3 45 Saving the Current Acquisition 3 45 Saving Waveforms in SAVE REF Memory 3 45 Recallinga Waveform from SAVE REF 3 46 Comparing Saved Waveforms 3 46 FormattingSaved Waveforms 3 46 Saving Waveforms in Long TermMemory 3 47 Saving and Recalling Setups 3 49 Saving a Setup 3 49 Recallinga Setup from Memory 3 49 Recallinga Power Up State 3 49 Transmitting Waveforms 3 ...

Page 12: ...ances A 25 1 Test Equipment Required A 26 Procedures A 28 InitialSetup Procedure A 28 Vertical System Checks A 28 Horizontal System Checks A 37 Trigger System Checks A 45 ExternalZ Axis ProbeAdjust ExternalClock and X YPlotterChecks A 51 Appendix D Storage Modes A 55 Glossary and lndex Glossary G 1 Index 1 1 ...

Page 13: ...2 Trigger Controls Figure 2 13 Trigger Controls Cont Figure2 14 Cursor Controls Figure2 15 Acquisition Controls Figure2 16 Save Reference Memory Buttons Figure2 17 1KTwo ChannelAcquisition Memory Location 1 Figure 2 18 4K Two ChannelAcquisition Memory Location4K Figure2 19 Setup Buttons Figure 2 20 Setup Menu Example Display Figure 2 21 Acquisition Menu Figure 2 22 Display Menu Figure 2 23 Format ...

Page 14: ...eld 3 31 Figure3 29 Measuring with the CRT Graticule 3 33 Figure3 30 Cursor Measurements 3 34 Figure3 31 Peak to PeakMeasurement 3 35 Figure3 32 DC Component of AC signal 3 36 Figure3 33 Ground ReferencedVoltage Measurement 3 36 Figure3 34 Measuring DC Levels with Cursors 3 37 Figure3 35 Period Measurement 3 38 Figure3 36 Delay Time Readout Difference 3 39 Figure3 37 Cursor FrequencyMeasurement 3 ...

Page 15: ... 22 Table A 6 PhysicalCharacteristics A 23 Table A 7 Test Equipment Required A 26 Table A 8 DeflectionAccuracy Limits A 30 Table A 9 Storage DeflectionAccuracy A 31 Table A 10 Settings for Bandwidth Checks A 33 Table A 11 Settings for Timing Accuracy Checks A 39 Table A 12 Settings for Delay Time DifferentialChecks A 43 Table A 13 Switch Combinationsfor A Triggering Checks A 46 Table A 14 Storage ...

Page 16: ...A u isll u 11 2 I A 3 z i I 2 1 3 I i 1 3 u I Zl 7 zi 3 1 3 3 3 J 1 B r4 L 1 L L J I LI 1 4 6 X Contents a m U ...

Page 17: ...le applications H Combination analog and digital oscilloscope H 100 MHz maximum analog bandwidth 100 Megasamples sec digital sampling rate H Multiple storage acquisition modes including glitch capture as narrow as 10 ns Cursor measurementand digital readouts H Delayedtime base H Waveform storage and retrieval H X Y Plotter output Optional RS 232or GPlB communication interfaces 2232 User Manual xi ...

Page 18: ...Before You Begin ...

Page 19: ... 1 statements identify conditions or practicesthat could result in personal injury or loss of life These two terms appear on equipment CAUTION indicates a personal injury hazard not immediatelyaccessible as one reads the marking or a hazardto property including the equip ment itself 1 DANGER indicates a personal injury hazard immediatelyaccessible as one reads the marking This symbol appears in ma...

Page 20: ...otectiveground connection all parts of the 2232 are potential shock hazards This includes knobs and controls that may appear to be insulators Use the Proper Power Cord Use only the power cord specifiedfor your product Use only a power cord that is in good condition Use the Proper Fuse To avoid fire hazard use only the fuse specified in the parts list for your product and which is identical in type...

Page 21: ...D N P E AND MTED FUSE MSCONNECT POWERINPUTBEFORE REPUCINQ N S E LINE VOLTAGE RANGE1 FUSE1Y V S 2 Y V A C I 2A8LOW W NOT REMOVE COVER REFER SERVlClNQTO O W F I B PERSONNEL Q CAUTION m z m s INPUT 10 INPUT I 1 1 CREASES POSITIVE QMNQ INTENSIT 5 NOTICEABLE VOLTS P P CAUSES UODUU TlONAT NORMAL INTENSITY Power Cord Connector Power Cord Clamp Flat Washer Self Tapping Screw Figure 1 1 Installingthe Power...

Page 22: ...wer is on The instrumentautomatically runs a complete diagnostic check of the digital system If any diagnostic failures occur they will appear on screen Contact your service representative if you encounter a problem Pressingthe POWER button again toggles the switch and turns off the power Initial Setup This section will help you set up the oscilloscope for use and allow you to become familiar with...

Page 23: ... Adjusting Trace Rotation Usingthe previous setup Figure 1 2 shows how the display should now appear Figure 1 2 Initial Setup Display Usethe following procedure to align the baseline trace parallel with the center horizontalgraticule line Step 1 Turn the Channel 1 POSITION control to positionthe trace on the center horizontalgraticule line Step 2 Using a small bladescrewdriver adjust the recessedT...

Page 24: ... nel will change to match the attenuation factor of the probe The 10X probes supplied with the oscilloscope already have the proper coding C Step 3 Clip the probe tip to the PRB ADJ connector C Step 4 Usethe VOLTSIDIV control to display about 5 divisions of the waveform Step 5 Usethe VERTICAL POSITION and HORIZONTAL POSITION controls to center the display Step 6 Check the waveform against Figure 1...

Page 25: ...the F gure 1 4shows the correct method of lnstall ng the accessory pouch on Accessory Pouch the Instrument r E i z i z i z L A Centerthe Pouch Plate to Align the Key Slots m lz i z i z i Z B Push the Pouch Plate into the Rear Trim Gap i 2 r L u l C E Ii c C Bowthe Plate and Slide it intothe FrontTrim Gap C Figure 1 4 Installingthe Accessory Pouch 2232 User Manual 1 7 ...

Page 26: ...sing the Power Cord Wrap Figure 1 5 shows how to wrap the power cord on the back when you trans port or store the instrument i I a3 3 3 7 3 7 3 4 7 5 3 3 5 7 8 Before You Begin Figure 1 5 Usingthe Power Cord Wrap ...

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Page 28: ... 20 Select Button page 2 6 CRT Display Setup Menus Acquisition Controls page 2 5 page 2 25 page 2 21 Buttons Select either Menu Items VerticalControls Trigger Controls page 2 25 and Input and External Input or page 2 10 page 2 16 SavelRecall WaveformReferences page 2 22 Power Switch HorizontalControls page 2 4 page 2 14 Figure2 1 Front Panel Control Sections Figures 2 2 and 2 3 show the front pane...

Page 29: ...Front Panel CRT Display CRT Display Controls Bezel Buttons for Selecting Menu Items or Saving and Recalling Waveforms Figure 2 2 Front Panel View Left Side I Power 2 At a Glance ...

Page 30: ... Store digital Non Store analog Storage Controls A Setup Menus Cursors CH 1 VOLTS DIV STORE UNCAL 4K COMPRESS I Vertical Controls Horizontal Controls Trigger Controls Figure 2 3 Front PanelView Right Side 2232 User Manual 2 3 ...

Page 31: ...Front Panel Power Switch The power switch is shown in Figure 2 4 Figure 2 4 Power Switch POWER The push button switch turns the power on and off A green light indicates the power is on At a Glance ...

Page 32: ...nsfor time seconds division measurements The settings of the volts divisionand seconds division controls determine the scale of the graticule Percent Markings are for rise time measurements I SECIDIV Figure 2 5 CRT Graticule VOLTSIDIV Each major division is split into 5 minor divisions One minor division equals two tenths 2 of a major division 2232 User Manual 2 5 ...

Page 33: ...rate display modes the analog NON STORE mode Figure2 6 and the digital STORE mode Figure2 7 The STOREINON STORE button selects the display mode STORE 1 Trigger Level I 6 Delay A 6 SeclDiv Figure 2 6 Analog NON STORE Mode Display 2 6 At a Glance ...

Page 34: ...to AC Also appears above the A Trigger Levelvolts symbol when the A COUPLswitch is set to LF REJ or when input coupling is set to AC Precedesthe volts division readout if the input coupling is set to GND Replacesthe A symbol in the A volts readoutwhen making ground ref erencedvoltage measurements c lndicatesa compressed 4K record Replacesthe volts symbol V whenever the volts division variable CAL ...

Page 35: ...lay Controls The CRT display controls adjust the alignment intensity and focus of the waveform displays and readout information TRACE ROTATION BEAM FIND 3 INTENSITY 4 Figure 2 8 CRT Display Controls 1 Y 2 8 At a Glance 1 L ...

Page 36: ...gns baseline trace with the horizontalgraticule Use a small screwdriver to adjust the recessed control 4 INTENSITY STOREIREADOUT Adjusts the intensity of the entire STORE display as well as NON STORE readouts 5 GRATICULE Controlsgraticule illumination 6 FOCUS Focusesthe display 7 BEAM FIND Locates dim or off screendisplays 2232 User Manual 2 9 ...

Page 37: ...Front Panel Vertical Controls and Connections GND CH 1 OR Figure2 9 Vertical Controls and Connections 2 10 At a Glance ...

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Page 39: ...Front Panel Vertical Controls and Connections Cont VERTICAL I 6 POSITION A B SWP SEP A POSITION Figure2 10 Vertical Controls and Connections Cont 2 12 At a Glance ...

Page 40: ...ouples the signal input and connects the vertical system to ground reference DC Passes all signal components to the vertical and acquisition systems VOLTS DIV Channel 1 Volts per division Selects the vertical scale factor for Channel 1 Also vertically expands or compresses Channel 1 saved waveforms CAL Channel 1 Calibrated The clockwise position provides calibrated volts division settings Rotating...

Page 41: ...Front Panel HorizontalControls The horizontalcontrols are shown in Figure2 11 1 2 3 4 5 6 Figure 2 11 Horizontal Controls At a Glance 2 14 ...

Page 42: ...ntal seconds per divisionscale for B sweep Pullthe knob out and turn it clockwise to select faster delayed sweep speeds 5 XI0 PULL In NON STORE pulling the knob out horizontallymagnifies by ten times the center one division of the display In STORE pulling the knob out horizontallymagnifies byten times one division area of the display centered around the active cursor CAL In NON STORE rotatingthe c...

Page 43: ...Front Panel Trigger Controls EXT NPUT I 400V pk Figure2 12 Trigger Controls 2 16 At a Glance ...

Page 44: ...he A TRIGGER LEVEL control sets the trigger point regardlessof the trigger signal amplitude The oscilloscope does not automaticallysweep without an adequatetrigger signal This mode is usefulfor low frequency or low repetition rate signals In STORE the last signal acquired is displayed until the next trigger occurs TV FIELD Press P P AUTO and NORM in at the same time This mode sets the oscilloscope...

Page 45: ...Front Panel Trigger Controls Cont VARHOLDOFF I Figure 2 13 Trigger Controls Cont 2 18 At a Glance ...

Page 46: ...the channels in sync with the display CH 1 Selects only the signal in channel 1 as the trigger source regardless of the vertical mode selected CH 2 Selects only the signal in channel 2 as the trigger source A EXT A External Uses the signal applied to the EXT INPUTconnector as the trigger signal for the A trigger circuit 10 SLOPE A Trigger Selects either the positive button out or the negative butt...

Page 47: ... the ACQ and REF Setup menus SELECT C1 C2 PUSH Pushingthe CURSORS knob selects the cursor to position The cursor is enclosed by a box when selected 2 SELECT WAVEFORM Selectsthe waveform on which the cursors appear if one or more reference memories are displayed The symbol under the SREF location read out indicatesthat the cursors are on this particular referencememory dis play The A stands for the...

Page 48: ...s 2 MODE Selectsthe desired acquisition mode directly without using the acquisition menu Refer to Digitizing Signals page 3 8 3 TRIG POS Trigger Position Selects the acquisition record displayed relativeto the trigger position indicated by a T on the waveform pretrigger midtrigger or posttrigger 4 SAVEICONT Saveor continue SAVEtemporarily freezes and displays the current acquisition record CONT co...

Page 49: ...buttonsto save up to three separate displays acquired inthe 1K mode memory locations 1 2 or 3 or one dis play acquired in 4K mode memory location 4K Refer to Figure 2 17 and Figure 2 18 To save a waveform display press the SAVE REF buttonfirst and then one of the memory location buttons within five seconds The waveform display will be saved to that memory location To turn the referencememory displ...

Page 50: ...tion 1 The underneath 1 indicates the cursorsare on this memory display Figure 2 17 1K Two ChannelAcquisition Memory Location 1 Indicates SAVE REF Memory location 4K Figure 2 18 4K Two ChannelAcquisition Memory Location4K 2232 User Manual 2 23 ...

Page 51: ...Front Panel 2 24 At a Glance ScansbyARTEKMEDU ...

Page 52: ...AY Display Menu H REF Waveform ReferenceMenu H PLOT Plot Menu ADV FUNCT Advanced FunctionsMenu Menu Item Select Buttons When a Setup menu is displayed each bezel button locatedunderneaththe displayed menu moves a box to select from the menu itemsthat appear directly above the button For example pressingthe DISPLAYsetup button brings up the Display Menu Figure 2 20 Pressing the button underneathAT ...

Page 53: ...p Menu Example Display Acquisition Menu The Acquisition menu Figure 2 21 allows you to configure the acquisition system to your particularapplication Figure 2 21 Acquisition Menu Acq Mode Peakdet Peak Detect Detects spikes or glitches in the acquired sig nals 2 26 At a Glance ...

Page 54: ...t by the seconds divisioncontrol Scan is only availablefor settings of 0 1 s to 5 s Ext Clock ExternalClock Selects the slow Roll Scan mode or Fast Record mode for an external acquisition clock signal applied to the auxiliary con nector on the left side of the instrument Reset Default Acq Modes Reset Default Acquisition Modes Resetsthe Acquisition Menu selections to factory default conditions Curs...

Page 55: ...ocess to smooth the waveform display yet retainthe glitch catching capabilities of Peak Detect or Accumulate Peak acquisition modes Smooth applies only to the Peak Detect or Accumulate Peak modes Vector ON Connects data points together with vector lines in all acquisition modes OFF Displays only the data points in all acquisition modes Auto Displays vector lines at all seconds division acquisition...

Page 56: ...ef Reference Selects the contents of one of the three reference memo ries Ref1 Ref2 or Ref3 to format Chnl Channel Selects which of the channels CHI or CH2 of the refer ence memoryto format Horiz Mag HorizontalMagnification Magnifies the selected memory by ten times X10 or by the acquired XI magnification Cursor Knob Func Cursor Knob Function Selects which vertical aspect of the saved wave form to...

Page 57: ...0 1 2 ON OFF 3 4K Figure2 24 NVmem ReferenceMenu NVmem This reference menu allows you to copy to or from any of the SAVE REF memory locations and NVmem locations The non volatilememory is divided into locations labeledA through Z However the number of actual wave forms that you can store depends on their individual record length and mode of acquisition The number under each memory location indicat...

Page 58: ...tion Source Activates the source arrow J indicator Use the CURSORS knob to positionthe arrow at the desired memory source Dest Destination Activates the destination arrow indicator Usethe CURSORS knob to positionthe arrow at the desired memory destination Plot Menu The Plot menu Figure2 25 controls the plotting parameters I vrr ter A Y TYpe Se up Stgrt J SAVEREF 0 1 2 ONIOFF 3 4K Figure 2 25 Plot ...

Page 59: ... lines Auto Plot ON Automatically plots acquisitions The graticule and readouts are plotted on the first acquisition only The oscilloscope will wait for each plot to finish before beginning another acquisition OFF DisablesAuto Plot XY Setup Generatesa patternfor calibrating analog X Y plotter gain and offset Start Initiatestransmission of the waveform display over the X Y plotter or commu nication...

Page 60: ... the instrument Detailed menu information is contained in the 2232 service manual Comm Menu CommunicationsMenu Sets stop bit and flow parametersfor the RS 232option Factory Reset Resetsthe factory default acquisition processing and display modes for all sweep speeds Save Setup Menu The Saved Setups Menu Figure2 27 allows you to save acquisition and other menu settings as well as select what defaul...

Page 61: ...er Down The oscilloscope automatically saves the ac quisition and menu settings when the power is turned off The instrument will return to these settingswhen the power is turned back on Setupl The oscilloscope usesthe settings saved under Setup1 at power up Setup2 The oscilloscope usesthe settings saved under Setup2 at power up Select Setup Setupl Selects Setupl to save to or recallfrom memory Set...

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Page 64: ...ssis Ground Connection lnput Coupling Switch Signal lnput Connection GND CH 1 OR fl I 400V pk Figure 3 1 lnput Connection and Coupling Switch Connecting Signals Use either a probe or coaxial cable to connect a signal to a vertical input Be careful to observe the maximum input voltage rating S 400 Vpeak Use a high voltageprobe if necessary For AC signals that have a DC level higher than ten times t...

Page 65: ...ut to matchthe characteristic impedanceand preservethe fidelity of the signal Tektronix also carries a variety of coaxial cable and cabling accessories for various applications Coupling Signals Usethe AC GND DC switch to select the desired input coupling mode Figure3 1 AC Capacitively couples the input and blocks DCto 10 Hz signals GND Decouplesthe signal from the input and connects the input circ...

Page 66: ...It is often helpfulto preset the front panel controls to get a sweep on the screen beforeyou try to apply a signal With a simple trace on screen you can adjust the display intensity and focus before you make any other set tings If you are unfamiliar with oscilloscopesyou may want to begin with the basic analog setup given in Start Up page 1 4 In addition the following sections describe the basic c...

Page 67: ...nts and waveform storage and retrieval Selecting the Trigger Mode Set the trigger mode to P P AUTO for most routinedisplays This mode automatically adjuststhe range of the trigger levelcontrol for repetitive signals above 20 Hz and automatically generates a sweep in the absence of an adequate trigger signal There are many other ways to trigger a signal Refer to the section entitled Triggering on S...

Page 68: ... SECIDIV controls together The gray DLY D SWEEP B SECIDIV knob will lock together with the clear plastic A SECIDIV skirt when you align the indicators B SECIDIV DLY D SWEEP Selects the B sweep speed by turning the gray DLY D SWEEP B SECIDIV knob Pull and turn the DLY D SWEEP knob clockwise to select faster sweep speeds for the B SECI DIV time baseonly Step 3 Adjust the horizontal POSITIONcontrol a...

Page 69: ...ay readout of the channel it is connected to will change by the appropriate scale factor CH 1 VOLTSIDIV I VOLTSIDIV Figure 3 3 Vertical Display Controls Step 4 Apply the signal to the input and movethe coupling switch to AC or DC Refer to Applying a Signals to the Vertical Inputs page 3 1 Step 5 Adjust the vertical position control for the selected channel as necessary Setting the Display Intensit...

Page 70: ... do not appear in both STORE and NON STORE modes Refer to Display Mode page 2 6 The FOCUS control adjuststhe clarity of the display Finding Lost Displays Because of signal variances or misadjustedfront panel settings it is not uncommon to lose a signal display When this happens use the following procedure Step 1 Notewhich channel the signal is applied to and make sure the vertical mode is set for ...

Page 71: ...ontrol to a normal level and adjust the vertical and horizontalscale with the VOLTSIDIV and SECI DIV controls If you fail to locate the sweep using this procedure you may want to use the basic analog setup given in the Start Up page 1 4 and try reapplyingthe signal to the input Digitizing Signals There are four different acquisition modes to choose from when you digitize a signal in the STORE mode...

Page 72: ...SITION switches Selecting the High Speed Storage Mode The Repetitive Store mode is indicated on the front panel for time base settings of 0 5 vs and faster Becauseof the sampling rate 100 Msls the oscilloscope must make numerous acquisitions at these speeds to complete a waveform record The Repetitive Store mode therefore should only be used when acquiring repetitivesignals Selecting Slow Speed St...

Page 73: ...s or slowly occurring continuous events when no trigger is desired Triggered Roll SGL SWP The record moves across the screen continuously from right to left When the trigger event occurs the oscillo scope retains the waveform on screen and disablesfurther acquisitions Triggered Roll is usefulfor capturing an intermittentevent and saving it on screen until the trigger is manually rearmed Referto th...

Page 74: ...waveform record is acquired left to right with a trigger event Each new trigger event then causes the acquisitionto overwrite the previous record from left to right UntriggeredRoll Mode View a series of events or slowly occurring continuous events Step 1 Set the A Trigger Mode to P P AUTO or NORM Step 2 Pressthe Setup ACQ button to call upthe Acquisition Menu Step 3 Select Roll and press the ACQ m...

Page 75: ...sition Menu Step 4 Select Roll and press the ACQ menu button again to exit the menu Step 5 Pressthe SGL SWP button Notethat the trace movesacross the screen continuously from right to left Also the READY light is on indicatingthe oscilloscope is waiting for a trigger signal If the READY light is not on press the SGL SWP button again When the trigger event occurs the acquisition continues across th...

Page 76: ...iring signals in ACCPEAK Figure 3 8 is the best mode to use when you want to observe the upper and lower boundaries of a signal s amplitude over time It will also indicate how much the DC component of the signal drifts or the amount of noise present in the signal i z i z r r i z i E r r r r i z r i z i z i z L i z 2232 User Manual 3 13 I Figure3 8 Accumulate Peak Mode Display Detecting Signal Glit...

Page 77: ...e AVERAGE mode Figure3 1 0 is excellent for visually eliminating ran dom signal noisethat rides on the waveform Acquisitions are averaged over multiple records The default weight of one acquisition is but it may be changed using the ACQUISITION menu Figure 3 10 Average Mode Display Sampling Signals When you select SAMPLEthe special features of the other modes are not used The acquisition displayed...

Page 78: ...ns in the 4K mode you must use the cursor knob 0 Step 1 Pressthe ACQUISITION 1Kl4K button Inthe 4K mode an acquisition window indicator will appear I The acquisition window indicator Figure 3 12 displaysthe relative position of the cursors what cursor is active what part of the acquisition is displayed displaywindow indicator and the trigger point Step 2 Positionthe active cursor one way or the ot...

Page 79: ...points are displayed Step 1 Go to the STORE mode and display the signal in the 4K mode Figure 3 13 0 Step 2 Turn the X I 0 CAL knob counterclockwise Notethat the timing increases by a factor of four the small letter c appears beforethe time base readout and the signal is compressed Figure3 14 Figure3 13 4K Acquisition 1K Window 3 16 In Detail ...

Page 80: ...e trigger point Press ing the Acquisition button labeledTRIG POS moves the trigger point indica tor T to select three different views of the record Pretrigger Figure3 15 Midtrigger Figure 3 16 Posttrigger Figure 3 17 Figure 3 15 Pretrigger Acquisition Figure 3 16 Midtrigger Acquisition 2232 User Manual 3 17 ...

Page 81: ... to the desired location I I The 4K acquisition mode extends the acquisition record and the cursor knob adjusts which portion of the record is displayed Refer to Selecting the Acquisition Record Length 1K 4K page 3 15 Preventing Signal Aliases Aliasing may occur in the digital mode becausethe oscilloscope cannot samplethe signal fast enough to construct an accuratewaveform record Figure 3 18 When ...

Page 82: ...s with the highest and lowest values it can detect faster signal components over time Displaying Magnified There are several ways to horizontallymagnify the sweep Sweeps Change the time base to a faster sweep speed Usethe 6 DelayedSweep Refer to Displaying Two Sweeps page 3 22 Usethe XI0 control to magnify by ten times the center one division of the NON STOREdisplay or one division centered around...

Page 83: ...aically add them together or subtract them from each other 3 3 Comparing TWO Signals 3 Step 1 Connectone signal to Channel 1 and the other signal to Chan nel 2 Move the CHI BOTH CH2 switch to BOTH C Step 2 Movethe ADD ALT CHOP switch to ALT or CHOP In general it is better to use CHOP when the SECIDIV control is set in the millisec ond ms range and ALT when the SECIDIV is in the microsecond ps rang...

Page 84: ...p 2 Push the Channel 2 INVERT switch in Step 3 Adjust the vertical position of the resultant display with both the Channel 1 and Channel 2 POSITIONcontrols Channel 1 signal with undesired AC component Channel 2 with undesiredAC component inverted Channel 1 and Channel 2 invert in the ADD Mode Undesired AC component is canceled Figure 3 19 Rejecting Common Mode Signal ARTEK MEDIA Digitally signed b...

Page 85: ...delay from the start of A sweep to the start of Bsweep Step 5 Adjust the B DELAY TlME POSITIONcontrol to move the intensified zone over the portion of the A sweep you wish to display with the B sweep Step 6 Vertically separate the A intensified and B sweep displays by adjusting the A B SWP SEP control in the VERTICAL section of the front panel for NON STOREmode only To view the B sweep by itself s...

Page 86: ...t the amount of signal displacementto be exactly the same you may have to adjust the VOLTSIDIV CALvariable controls Step 3 Pressthe X Y button in The signal in Channel 1 now drives the horizontal or X axis of the display and Channel 2 drives the vertical or Y axis When using the X Y mode measuringthe precise phase and frequency differences betweenthe signals requires a little more skill than other...

Page 87: ...e Relationships Frequency of the signal applied to Y axis is twice that of the signal applied to the X axis 8 Figure 3 22 X Y FrequencyRelationships Frequency of the signal applied to X axis is twice that of the signal applied to the Y axis 3 24 In Detail ...

Page 88: ...h an externalsignal ap L Display Intensity plied to the External Z Axis connection Figure 3 23 located on the rear panel of the oscilloscope Certain specifications of the instrument must be LI observed Referto the 2 Axis section of Specification Appendix B L E CAUTION LI TO AVOID ELECTRIC SHOCK THE POWER r n CORD PROTECTIVE LZ GROUNDINGCONDUCTOR MUST BE CONNECTED TO GROUND C EXT Z AXIS INPUT 10 Ka...

Page 89: ...e P P AUTO mode is the easiest mode to use for repetitive signals because it automati cally adjuststhe range of the trigger level control and generates a sweep when no trigger signal is present Step 1 Apply the repetitive signal to the Channel 1 input connector Step 2 Set trigger mode to P P AUTO and the horizontalmode to A Step 3 Set the vertical mode to Channel 1 and the A B trigger SOURCE to VE...

Page 90: ...r mode to NORM and the horizontal mode to A Step 3 Set the vertical mode to Channel 1 and the A B trigger SOURCEto VERT MODE Thetrigger signal is obtained from the signal applied to the selectedchannel in this case Channel 1 C Step 4 Set the A COUPL switch to NORM Step 5 Adjust the A TRIGGER LEVELand VAR HOLDOFF if neces sary to stabilize the display Step 6 Adjust the vertical and horizontal contr...

Page 91: ...rigger mode to NORM and the A B SOURCEto CH 2 Step 3 Adjust the A TRIGGER LEVELto trigger on the signal Step 4 Set the oscilloscope in STORE Step 5 Move the CHI BOTH CH2 switch to BOTH Step 6 Movethe ADD ALT CHOP switch to ALT or CHOP In general it is better to use CHOP when the SECIDIV control is set in the millisec ond ms range and ALT when the SECIDIV is in the microsecond ps range Step 7 Posit...

Page 92: ...e A 816 SOURCE to A EXT Step 3 Select the A EXT COUPL mode AC DC or DC F 10 0 Step 4 Adjust the A TRIGGER LEVELfor a stable display Triggering on TV Signals You can trigger on either TV line or TV field signals Triggering on a TV Line Signal Step 1 Push in the P P AUTO TV LlNEtrigger mode button Step 2 Apply the TV signal to a channel input and display the channel Step 3 Set the VOLTSIDIV switch t...

Page 93: ...p 4 Set the A TRIGGER SLOPE switch either out for positive going TV signal sync pulses or in for negative goingTV signal sync pulses Step 5 Adjust the A TRIGGER LEVELto stabilizethe display Figure 3 28 Step 6 To displaytwo separate fields individually connect the TV signal to both CH 1 and CH 2 input connectors and select BOTH and ALT VERTICAL MODE Step 7 Set the A SECIDIV switch to a faster sweep...

Page 94: ...or low frequencysignal component can interfere with obtaining a stabletrigger To removethat component from the trigger signal move the A COUPL switch to either HF REJ or LF REJ The HF REJ position attenuatestrigger signal components above 40 kHz and the LF REJ position attenuatestrigger signal components below 40 kHz C c 2232 User Manual 3 31 PEAKDLT 2ns ...

Page 95: ...DisplayingSignals In Detail e ...

Page 96: ... graticule is a graph that you can change the vertical and horizontal scale factors The VOLTS DIV setting or readout indicatesthe vertical scale for each major division The SECIDIV setting or readout indicatesthe horizontalscale for each major division Each minor division represents two tenths 0 2 of the major division value Measuring with Cursor measurementsare highly accurateand eliminatethe cal...

Page 97: ...op displays there are two pairs of cursors with one active cursor apiece The active cursors of each pair track together when you movethe cursor knob When you have more than one waveform recalledfrom memory however you must use pressthe SELECT WAVEFORM button to movethe cursors from one waveform to another Measuring Voltage Make amplitude or other vertical measurements betweentwo points on a wavefo...

Page 98: ...depend ing on whether you use graticule lines or cursors to measurethe DC level Graticule lines C Step 1 Set the input coupling to GND and the trigger mode to P P AUTO to display a flat trace on screen C Step 2 Align the trace with a horizontal graticule line This line is now the ground reference point C Step 3 Set the input coupling to DC C Step 4 The amount of vertical offset is the DC component...

Page 99: ...r cursor to makethe DC level measurement NOTE You mayhave to reset the coupling switch to ground in order to obtain the ground referencedot ifyou change a frontpanelcontrol setting DC Component f 690 volts Center of AC Signal Ground Reference Io lu I I I AUIERA E 015 1 I I DC component of an AC signal Figure3 32 DC Component of AC signal DC Voltage 2 66 volts Ground Reference Measurement point Fig...

Page 100: ... Step 2 In NON STORE mode adjust the time base to placethe other horizontal point on screen and use the graticule lines to make the mea surement or go to STORE mode and use the rest of this procedure Step 3 In STORE mode positiona cursor on the first point of the waveform with the cursor control Step 4 Pushthe CURSORS knob into select the other cursor and position it on the second point On 4K or m...

Page 101: ...to separatethe A sweep from the B sweep Step 2 Set the B SECIDIV switch to the fastest sweep speed that providesa usable visible intensifiedzone Step 3 Adjust the B DELAY TIME POSITIONcontrol to movethe intensifiedzone to the leading edge of the first horizontal point on the A trace then fine adjust until the rising portion on the Btrace is aligned with any convenient vertical graticule line Figur...

Page 102: ... portion on the B trace is centered at the same vertical graticule used in Step 3 Step 6 Recordthe delay readout Step 7 The difference between the two readings equals the time differ ence Measuring Frequency Frequency is measured by calculating the inverse of a period measurement l AT With a graticule measurement you would haveto calculatethis yourself Usingthe Display menu however you can set the...

Page 103: ...select the other cursor and position it at the same transition point on the next cycle of the signal Figure 3 37 Step 5 Notethe l AT frequency readout in the upper right corner of the display Figure 3 37 Cursor Frequency Measurement Measuring Rise Time and Fall Time Risetime is a measure of the time betweenthe 10 and 90 points on the leading edge of a waveform Figure3 38 Falltime is a measureof ti...

Page 104: ...ve for a fall time measurement Step 3 Adjust the vertical dimension for exactly 5 divisions you may haveto use the CAL variable Step 4 Vertically positionthe signal so that the bottom of the signal on the 0 graticule line and the top of the signal is on the 100 line Step 5 Magnifythe rising edge of the signal horizontallyso that the rise time is spread over 4 or 5 divisions Referto Displaying Magn...

Page 105: ... equal time delays connect a known reference signal to the Channel 1 input and the un known signal to the Channel 2 input Step 3 Switch the Vertical Mode to BOTH and then select either ALT or CHOP Step 4 Set both VOLTSJDIVswitches and both variable controls so the displays are equal in amplitude Step 5 Set the A B SOURCEto CH 1 so the oscilloscope uses only the referencesignal for triggering Adjus...

Page 106: ...asuring Phase Difference For higher resolutionmeasurements of the phase difference the display may be magnified horizontallyby pulling the X I 0 magnificationknob out Figure3 41 Channel 2 Channel 1 Reference Six divisions 1 difference in X10 Mag Figure 3 41 Phase Difference in XI0 Magnification ...

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Page 108: ...owedto complete before it is saved C Step 3 Copy the waveform to a SAVE REF memory location if you want to retainthe waveform for later reference Referto the following sec tion C Step 4 Pressthe SAVEICONT button again to continuewith normal acquisition Saving Waveforms in SAVE REF Memory Inthe 1K acquisition mode you can save up to three waveform displays in SAVE REF memory Inthe 4K mode because o...

Page 109: ...tep 1 Press one or more memory location buttons to displaytheir respectivecontents Step 2 Change the position horizontalmagnification or vertical gain of the saved waveform display using the Format reference menu Referto the following section Step 3 Pressthe SELECT WAVEFORM button nextto the cursor control one or moretimes until the cursors appear on the waveform you want to measure An underscore ...

Page 110: ...ry ReferenceMenu Figure3 44 indicatesthat there are 26 A 2 1K memory locations available each of which can be write protected The actual number of these additional memoriesthat you can use however depends on the number of bytes stored at each location For example given the 26 kilobytes of memory available 26 x 1K you can only store six 4K acquisitions A 4K acquisition in the Average mode will use ...

Page 111: ...hat destination from being inadvertently deleted or overwritten press Protect Dest The number at that location intensifiesto indicate that it is protected Remove Destination Protection Step 8 If you want to remove the protection from a destination select that location with the destination T arrow and press Protect Dest The number at that location will no longer be intensified Delete Destination St...

Page 112: ...ved setup either by returningto the ADV FUNCTISave Setup Menu or by specifying the Power Up State as the particularsetup you want to recall Refer also to the following section Recallinga Power Up State Step 1 Pressthe Setup ADV FUNCT button The Advanced Functions menu appears Step 2 Pressthe button underneath Save Setup Menu Step 3 Pressthe Select Setup menu button to select either Setupl or Setup...

Page 113: ...ed off The instrument will returnto these same settingswhen the instrument is turned back on Setupl The instrument will usethe setup saved under Setupl at power UP Setup2 The instrumentwill use the setup saved under Setup2 at power UP Step 4 The selection is now saved Pressthe ADV FUNCT buttonto returnto normal operation In Detail 4 C ...

Page 114: ...ly ordered as factory installed however you can order either interface separately for installation on existing instruments Only one interface can be installed in the instrument at a time The two interfaceoptions are depicted in Figure3 45 and Figure 3 46 The 2221A 2224 2232 OptionalGPlB RS 232 CInterfaces User Manual 070 8159 01 provides you with informationabout connectingthe GPlB and RS 232 Ccom...

Page 115: ...5 L3 SR1 RL2 PPO I DC1 DTO CO E2 Figure 3 46 GPlB Interface Option 10 Plotting or Printing a The auxiliary connection Figure3 47 is a standardfeature on all instru Waveform ments The X Y and RELAY lines on the auxiliary connectionallow you to drive an analog X Y plotter The section entitledX Y Plotter Output in Appen dix B suppliestechnical informationpertainingto these outputs Figure3 47 Auxiliar...

Page 116: ...plot Each item on the menu is described below SAVEREF 0 L 1 2 ONIOFF 3 4K Figure3 48 Plot Menu Plotter Type The PlotterType menu button selects the analog X Y Plotter or digital plotter output format The digital output format requires a GPlB or RS 232option XY Analog X Y plotter HPGL Hewlett PackardBGraphics Language EPS7 EpsonB low speed EPS8 EpsonB high speeddouble density TJET Hewlett PackardBT...

Page 117: ...nly The oscilloscopewill wait for each plotto finish before beginninganother acquisition OFF Disables Auto Plot XY Setup XY Setup generates a pattern for calibrating analog X Y plotter gain and offset Start The Start menu button initiatestransmission of the waveform display over the X Y plotter or communicationsoption 3 54 In Detail ...

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Page 119: ... GPlB lnterface Option 10 provides a GPlB General Purpose lnterfaceBus communications interface The interface implementedconforms to the specificationscon tained in IEEE Standard Digital lnterface for Programmable Instrumentation ANSIIIEEEStd 488 1978 It also complies with a Tektronix Standard relat ing to GPlB Codes Formats Conventionsand Features The 2221A 2224 2232 GPlB RS 232 COptional Interfa...

Page 120: ...with the accessory pouch front panel cover shock absorbing rubber guards mounted on the front and rear of the cabinet an easy to use power cordwrap and a carrying strap The Travel Line option can be installedon existing instrumentsby ordering the Travel Line kit 040 1202 04 OPTION 3R Rackmount Option 3R allows you to mount the 2232 into a standard 19 inch equipment rack GJ d 4 2 A 2 5 3 3 3 E i 3 ...

Page 121: ...ce Manual SN B030000 and Above 070 8548 XX Rack Adapter 016 0833 01 Viewing Hood 016 0566 00 Carrying Strap 346 0199 00 Carrying Case 016 0792 01 Rain Cover 016 0848 00 Camera C9 Option 20 Portable InstrumentCart K212 Quickstart Training Aid U S 020 1812 04 Quickstart Training Aid International 020 1812 06 Wavesaver Software S41SAVE HC100 Plotter HC100 Opt 03 RS 232 or HC100 Opt 01 GPlB z L r LI C...

Page 122: ...Appendix A Options and Accessories Appendices Scansby ARTEK MEDIA ...

Page 123: ... r 8 Calibrateddeflectionfactors from 2 mV to 5 V per division for both r channels i 2 8 Variable VOLTSIDIV gain control that increasesthe deflection factor at least 2 5 to 1for any VOLTSIDIV setting of either channel r z 8 Vertical display modes CH 1 CH 2 and BOTH with a choice in BOTH of ADD ALT or CHOP 8 Bandwidth limiting that reduces bandwidth of the vertical amplifier system and the A Trigge...

Page 124: ...K per waveform when dual channel acquisitionsare stored in the SAVE REF memory H Storage of up to 26 K of waveform records in up to 26 locations in extended memory H Capabilityto movewaveforms betweenSAVE REF memory where they can be displayed measured or replaced and extended storage memory which frees up SAVE REF memory for storing new waveforms User Interface An internal microprocessorprovidesf...

Page 125: ...o any displayed waveform of interest and then positioned using the CURSORS knob to any two points of interest on the waveform The A V and AT readouts indicatethe voltage differenceand timing differencebetweenthe positions of the cursors For 4 K acquisition records the CURSORS knob also scrolls the record back and forth horizontally so any 1 K portion can be viewed on screen Thescreen can only disp...

Page 126: ...istics Characteristics PerformanceRequirements p p p p p Vertical Deflection System Deflection Factor Range 2 mV per division to 5 V per division in a 1 2 5sequence DCAccuracy NON STORE 15O C to 3S0 C t3 For 5 mV per divisionto 5 V per divisionVOLTSIDIV switch settings the gain is set at a VOLTSIDIV switch setting of 10 mV per division 2 mV per division gain is set with the VOLTSIDIV switch set to...

Page 127: ...20 MHz 10 AC Coupled Lower Cutoff Frequency 10 Hz or less at 3 d l C Step Response NON STOREMode Rise Time i z 0 C to 35 C 5 mV per divisionto 5 V per division 3 5 ns or less 2 mV per division 4 4 ns or less 3SGC to 50GC 5 mV per divisionto 5 V per division 3 9 ns or less 2 mV per division 4 4 ns or less Risetime is calculatedfrom Rise Time 0 35 Bandwidth 3 dB Step Response STORE Mode Useful Stora...

Page 128: ...ent Useful Storage performance2 RECORD SCAN and ROLL Store Modes SAMPLEAcquisition no AVERAGE 1 ps per division to 5 s per division Single Trace 10 Hz1 SECIDIVsetting 5 Hz1 SECIDIV setting EXT CLOCK up to 100 kHz PEAK DETECT Sine Wave 10 MHZ Amplitude Capture 5 p p maximum amplitudeuncertainty PulseWidth 10 ns Amplitude Capture 50 p p maximum amplitudeuncertainty 1 Performancerequirementnot checke...

Page 129: ...00 2 000 from 202 000 to 998 000 Weight of Last Acquisition 1 1 4 2 6 1 52 4 28 or 56 MENUselections AVERAGE mode default weight is NON STORECHOP Mode Switching Rate 500 kHz 2 30 AID Converter Linearity Monotonic with no missing codes1 Analog CH1lCH2 Delay Match 1 0 nsl NON STORECommon Mode ReiectionRatio At least 10to 1 at 50 MHz CMRR Checked at 10 mV per division for common mode signals of six d...

Page 130: ...h INVERT 1 5 divisions or less1 51 e l Trigger System A Trigger Sensitivity P P AUTO and NORM Internal 10 MHz 60 MHz 100 MHz 0 35 div 1 0 div 1 5 div External Externaltrigger signal from a 50 f2 source driving a 50 f2 coaxial cable terminated in 50 f2 at the input connector HF REJ Coupling Should not trigger with a one division peak to peak250 kHz signal when HF REJ is ON Reducestrigger signal amp...

Page 131: ... DC At least 1 6V 3 2 V p p E EXT DC 10 At least 16V 32 V p p B Trigger Internal May be set at any point of the trace that can be displayed VAR HOLDOFF Control4 NON STOREHol IncreasesA Sweep holdoff time by at least a factor of 10 doff I Trigger Level Readout Accuracy 15 C to 35 C k 0 3 division 5 of reading Applies to 10divisionsfrom zero volts Acquisition Window Trigger Points Pretrigger Seven e...

Page 132: ...22 steps 5 B Sweep 50 ms per divisionto 0 05 ps per division in a 1 2 5sequence of 19steps 5 STORE Mode Ranges REPETITIVE 0 05 ps per divisionto 0 5 s per division lv6 RECORD 1 ps per divisionto 50 ms per division lp6 ROLUSCAN 0 1 s per divisionto 5 s per division A Sweep only lv6 NON STOREAccuracy 0 5 s per division to 0 1 ps per division Unmagnified Magnified 2 3 0 05 ps per division 22 24 0 5 s...

Page 133: ... setting 50 Hz1 SECIDIV setting PEAKDETor 100 MHz1 100 MHz1 ACCPEAK 1 ps per division to 5 s per division I _ _ I REPETITIVEStore 100 MHz1 100 MHz1 0 05 ps per division to 0 5 ps per division Slow DC to 1 kHz Fast DC to 100 kHz Digital Sample Rate 100 MHz in ACCPEAK and PEAKDET otherwise it is equal to the input frequency Screen Update Rate Slow One data pair for every second falling clock edge Fa...

Page 134: ...ttings of the SECI DIV switch Extendsthe A and the B Sweep speeds by at least a factor of 2 5 times over the calibratedSECIDIV set tings STORE HorizontalVariable Sweep has no affect on the STORE Mode time base Rotatingthe Variable SECIDIV control out of the CAL detent position horizontally compresses a 4 K point ac quisition record to 1 K points in length so that the whole re cord length can be vi...

Page 135: ...ivision at VOLTS DIV switch settingsfrom 2 mV per divisionto 5 V per division SAVE Mode Expansion or Compression Up to 10times as determined by the remainingVOLTSIDIV Range switch positions up or down 2 mV per division acquisitions cannot be expanded and 5 V per division acquisitions cannot be compressed Any portion of a stored waveform vertically magnified or com pressed up to 10times can be posi...

Page 136: ...n Factors Same as vertical deflection system with the VOLTS DIV Vari able controls in the CAL detent position NON STORE c c u r a c y X Axis 15O C to 35 C 3 0 C to 50 C 24 Y Axis Same as vertical deflection system NON STORE Bandwidth 3 d X Axis DC to at least 2 5 MHz Y Axis Same as vertical deflection system NON STORE Phase Difference Between 2 3 degrees from DC to 150 kHz X Axis and Y Axis Amplif...

Page 137: ...ses noticeable modulation Positive goinginput de creases intensity Usable frequency range is DCto 20 MHz A 30 V DC peak AC or 30 V p p at 1 kHz or less Maximum lnput Voltage Input Resistance Greater than 10 kQ X Y Plotter Output Maximum Safe Applied Voltage Any A 25 V DC peak AC or 25 V P PAC at 1 kHz or less Connector Pin X and Y Plotter Outputs Pen LiftIDown Fused relay contacts 100mA maximum l ...

Page 138: ...StandardPhosphor P31 NominalAcceleratingVoltage 14 kV1 4 2 V Output 10 through 2 knl Memory NonvolatileMemory 26 Kbytesl Power Down BatteryVoltage Memory retainedfor battery voltages greater than 2 3 V Data Retention Memory maintainedat least 6 months without instrument power Battery Life Power downdata retention specification shall be maintained for 3 years without battery change Power Down Detec...

Page 139: ...RS 232 CRequirements Complies with EIA Standard RS 232 C l Baud Rates Available Rates 110 300 600 1200 and 2400 baud Accuracy 1 error Performance requirement not checked in manual Volts 100 DC Peak AC 10 10 kHz 50 kHz 100 kHz 500 kHz 1 MHz 100 MHz Frequency Figure A I Maximum inputvoltage versus frequency derating curve for the CH 1 OR X CH 2 OR Y and EXT INPUT connectors 2232 User Manual A 21 ...

Page 140: ...eters 50 000 feet Exceeds requirementsof MIL T 2880D para 4 5 5 2 4 Humidity Zi Operating and Nonoperating 5 cycles 120 hours referenced to MIL T 28800Dpara 4 5 5 1 2 2 for Type Ill Class 5 instruments Operating and nonoperating at 95 5 to O relative humidity Operat zi ing 30 C to 50 C nonoperating 30 C to 60 C EM1 electromagneticinterference Meets radiated and conducted emission requirementsper V...

Page 141: ... surface Meets requirementsof MIL T 22800D para 4 5 5 4 3 Performance requirement not checked in manual Table A 6 Physical Characteristicsg Characteristics Performance Requirements Weight With Power Cord Cover Probes and 9 4 kg 20 7 Ib Pouch With Power Cord Only 8 2 kg 18 Ib DomesticShipping Weight 12 2 kg 26 9 Ib Height 137 mm 5 4 in Width With Handle 360 mm 14 2 in Without Handle 328 mm 12 9 in ...

Page 142: ...Appendix B Specification FigureA 2 Physical dimensions of the 2232 Digital Storage Oscilloscope A 24 Appendices ...

Page 143: ... subjected to harsh environ ments or severe usage Structure The PerformanceVerification is structured in subparts to permit checking individualsections of the instrument whenever a complete verificationof performance is not required Each subpart beginswith a list of the test equipment requiredfor performing the steps in that subpart Followingthat equipment list is a list of all the front panelcont...

Page 144: ...al levels 5 mV to 50 V Signal sourcefor TEKTRONIX PG 506A Generator Accuracy 0 3 gain and transient Calibration Genera High amplitudesignal levels 1V to 60 V response tor Repetitionrate 1 kHz Fast risesignal level 1 V Repetition rate 1 MHz Risetime 1 ns or less Flatness 2 Leveled Frequency 250 kHz to above 100 MHz Sine Wave Outputamplitude variable from 10 mV to 5V p p Generator Output impedance 5...

Page 145: ...tors BNC female to BNCfemale Signal intercon Tektronix Part Number nection 103 0028 00 T Connector Connectors BNC Signal intercon Tektronix Part Number nection 103 0030 00 Termination Impedance 50 0 Connectors BNC Signal Tektronix Part Number termination 011 0049 01 Termination Impedance 600 f 2Connectors BNC Signal termination Tektronix Part Number 011 0092 00 1O X Attenua Ratio 1O X Impedance to...

Page 146: ...SITY FOCUS and A and B Trigger LEVELcontrols as neededto view the display when performing procedures Beforedoing the proceduresthat follow performthese four steps to ensure performanceaccuraciesfor the digital portion of the instrument Perfor mance of the Factory Reset routine sets the digital part of the instrumentto factory default settings Procedure Steps Step 1 Power on the instrument and allo...

Page 147: ... Midrange A 0 5 ms CAL detent Off knob in NORM P P AUTO Positive button out Midrange Vertical MODE NORM NON STORE button out Procedure Steps Step 1 Check eflection Accuracy and Variable Range a Connectthe standard amplitude signal from the calibrationgenera tor via a 50 fl cable to the CH 1 OR X input connector b CHECK Deflectionaccuracy is within the limits given in Table A 8 for each CH 1VOLTSID...

Page 148: ...TORE button in AVERAGE b Set the generator to produce a five division standard amplitude signal c Usethe CURSORS control and SELECT C1lC2 switch push in the CURSORScontrols knob to set one cursor at the bottom of the square wave and the other cursor at the top of the square wave d CHECK Deflection accuracy is within the limits given in Table A 9 for each CH 2 VOLTSIDIV switch setting and correspon...

Page 149: ...tton to select SAVE d Set the CH 1VOLTSIDIV switch to 10 mV and repositionthe display e CHECK The display is expanded to five divisions in amplitude f Set CH 1VOLTSIDIV SAVEICONT 0 1 v CONT g Set the generator to produce a five division standard amplitude signal h Press in the SAVEICONT button to select SAVE i Set the CH 1VOLTSIDIV switch to 1 V j CHECK The display is compressedto 0 5 division in ...

Page 150: ...ounterclockwise h CHECK That the top of the waveform is positioned at least 1 division below the center horizontalgraticule line i Movethe cable from the CH 2 input connector to the CH 1input connector and set the Vertical MODE switch to CH 1 j Repeat parts d through h using the Channel 1 controls Step 5 Check Acquisition PositionRegistration a Set AC GND DC both A SECIDIV GND 0 5 ms b Positionthe...

Page 151: ...ision cable and a 50 fl termination to the CH 1 OR X input connector c Set the generator to produce a 50 kHz six division display d CHECK Display amplitude is 4 2 divisions or greater as the gener ator output frequency is increased up to the value shown in Table A 10 for the corresponding VOLTSIDIV switch setting Table A 10 Settings for BandwidthChecks VOLTSIDIV Generator Switch Setting Output Fre...

Page 152: ... SAVE g CHECK The 100 MHz display is saved h CHECK Display amplitude is 4 2 divisions or greater i Press in the SAVEICONT button to select CONT j Set the Vertical MODE switchto BOTH and ALT k Repeat partsf through h Step 8 Check Single Sweep Sample Acquisition a Set Vertical MODE A SECIDIV XI0 Magnifier A Trigger Mode A B SOURCE SAVEICONT CH 2 5 P S Off knob in NORM CH 2 CONT b Set the generator t...

Page 153: ... equipmentfrom the instrument Step 10 Check Common ModeRejection Ratio a Set BW LIMIT INVERT Off button out On button in b Connect the leveled sine wave generator output via a 50 CI cable a 50 CI termination and a dual input coupler to the CH 1 OR X and the CH 2 OR Y input connectors c Set the generator to produce a 50 MHz six division display d Vertically center the display using the CH 1 POSITIO...

Page 154: ... input connector c Set the generator to produce a 50 MHz five division display d Set the Vertical MODE switchto CH 2 e CHECK Display amplitude is 0 05 division or less f Movethe cablefrom the CH 1 OR X input connector to the CH 2 OR Y input connector g Set Vertical MODE CH 1 AC GND DC CH 2 AC GND DC CH 1 GND DC h CHECK Display amplitude is 0 05 division or less i Set CH 2 VOLTSIDIV 50 mV STOREINON...

Page 155: ...n in LS Acquisition MODE PEAKDET h Adjust Horizontal POSITIONcontrol to center trace horizontally C i CHECK The amplitude of the display is 2 5 divisions or greater C j Set the A SECIDIV switch to 0 1 sec i 2 k CHECK The amplitude of the display is 2 5 divisions or greater i 2 I Disconnectthe test equipment from the instrument i Horizontal System Checks r Equipment Required see Table A 7 i Calibra...

Page 156: ...ter the display vertically Adjust the A Trigger LEVELcontrol for a stable triggered display d Usethe HorizontalPOSITION control to align the 2ndtime marker with the 2ndvertical graticule line e CHECK Timing accuracy is within 2 0 16 division at the loth vertical graticule line and linearity is within 5 0 1 division over any 2 of the center eight divisions f Repeat parts c through e for the remaini...

Page 157: ...sion over any two of the center eight divisions Excludeany portion of the sweep pastthe loothmagnifieddivision k Repeat parts i and j for the remaining A SECIDIV and time mark generator setting combinationsshown in Table A 11 under the XI0 Magnifiedcolumn I Set HorizontalMODE A SECIDIV B SECIDIV X10 Magnifier B 0 1 ps 0 05 ps Off knob in m Repeat parts b through k for the B Sweep Table A 1I Settin...

Page 158: ... select one of the two cursors and set it exactly on the 2ndvertical graticule line Select the other cursor and move it towards the right until the AT readout displays 0 800 ms d CHECK Graticule indication of cursor differenceat the lothverti cal graticule line is within 0 16 division e Set the CH 1 AC GND DC switchto DC f Select 0 1 ms time markersfrom the time mark generator g Align the 2 d time...

Page 159: ...few samplepoints andit may not be possible to place the cursors at exactly the same voltage levels r CHECK The AT readout is between 3 990 ps and 4 010 ps Step 3 Check Variable Rangeand Sweep Separation a Set A and B SECIDIV SECIDIVVariable STOREINON STORE 0 2 ms Fully counterclockwise NON STORE button out b Select 0 5 ms time markersfrom the time mark generator c CHECK Time markers are one divisi...

Page 160: ... B DELAYTIME POSITION Fully counterclockwise i Select 0 5 us time markersfrom the time mark generator j Rotatethe B DELAYTlME POSITIONcontrol so that the top of the 2ndtime marker on the B Sweep is aligned with a selected reference vertical line Recordthe DLY readout for part use with part I k Rotatethe B DELAY TlME POSITIONcontrol fully clockwise until the top of the 10thtime marker on the B Swee...

Page 161: ...alMODE A A SECIDIV 10 ps b Select 10 ps time markersfrom the time mark generator c CHECK Start of the sweep can be positioned to the right of the center vertical graticule line by rotatingthe Horizontal POSITION control fully clockwise d CHECK The 11th time marker can be positioned to the left of the center vertical graticule line by rotatingthe Horizontal POSITION control fully counterclockwise e...

Page 162: ... Set A SECIDIV X I 0 Magnifier 1Kl4K 50 ps Off knob in 4K b Select 0 1 ms time markersfrom the time markgenerator and check that the time markers are two divisions apart c Rotatethe SECIDIV Variable control out of detent d CHECK For two time markers per division over the center eight divisions Step 9 Check Non StoreSweep Length a Set SECIDIV Variable CAL detent STOREINON STORE NON STORE button out...

Page 163: ...sethe generator output frequency to 2 5 MHz d CHECK Display is at least 3 5 horizontal divisions e Disconnectthe test equipmentfrom the instrument Trigger System Checks Equipment Required see Table A 7 Calibration Generator Leveled Sine Wave Generator Low Frequency Generator 50 Q BNC Cable Initial Control Settings Vertical Both Channels POSITION both MODE x Y BW LIMIT CH 1 VOLTSIDIV CH 2 VOLTSIDIV...

Page 164: ...izontalMODE switch to B Table A 13 Switch Combinations for A Triggering Checks A Trigger Mode A Trigger Slope NORM Positive NORM Negative P P AUTO Negative P P AUTO Positive f CHECK Stable display can be obtained by adjusting the B Trigger LEVELcontrol in a position other than the RUNS AFTER DLY posi tion for both the positive and negative positions of the B Trigger SLOPE switch g Set Vertical MOD...

Page 165: ...ctthe test equipment from the instrument Step 2 Check HF Reject A Triggering a Set Vertical MODE VOLTSIDIV both Horizontal MODE A SECIDIV X I0 Magnifier A Trigger Mode A Trigger LEVEL A B SOURCE CH 1 50 mV A 5 IJS Off knob in NORM Midrange CH 1 b Connectthe low frequency generator output via a 50 C2 cable and a 600 C2 termination to the CH 1 OR X input connector c Set the low frequency generator o...

Page 166: ... mV 0 1 ps A EXT NORM b Connect the leveled sine wave generator output via a 50 Q cable a 50 C J termination and a dual input coupler to both the CH 1OR X and EXT INPUT connectors c Set the leveled sine wave generator output voltage to 40 mV and the frequency to 10 MHz d CHECK Stable display can be obtained by adjusting the A Trigger LEVEL control for each switch combination given in Table A 13 on...

Page 167: ...VEL control is rotated g CHECK Display is not triggered no trace at either extreme of rotation Step 6 Check Single Sweep Operation a Adjust the A Trigger LEVELcontrol to obtain a stable display b Set CH 1 AC GND DC A Trigger SLOPE A 6 SOURCE A COUPL A SECIDIV GND Positive button out CH 1 NORM 20 ms c Press in the SGL SWP button The READY LED should illuminate and remainon d Set the CH 1 AC GND DC ...

Page 168: ...The MIDTRIG point T is 5 12 divisions from the start of the display acquisition g Pressthe TRlG POS button a third time to positionthe trigger point to the right of the display acquisition h CHECK The PRETRlG point T is 8 96 divisions from the start of the display acquisition Step 8 Check Trigger Level Readout a Set Vertical MODE CH 1 VOLTSIDIV CH 1 AC GND DC SECIDIV A Trigger Mode A Trigger LEVEL...

Page 169: ...s Disconnectthe test equipment from the instrument External2 Axis Probe Adjust External Clock and X Y Plotter Checks Equipment Required see Table A 26 Leveled Sine Wave Generator Two 50 C2 BNC Cables BNC T Connector 50 C2 BNC Termination Pulse Generator BNC male to tipplug DigitalVoltmeter 1O X Probe providedwith instrument Initial Control Settings Vertical Both Channels CH 1 POSITION MODE x Y BW ...

Page 170: ... 1 OR X input connector and insert the probe tip into the PRB ADJ ProbeAdjust jack on the instru ment front panel If necessary adjust the probe compensationfor a flat topped square wavedisplay c CHECK Display amplitude is 4 75 to 5 25 divisions d Disconnectthe probe from the instrument Step 3 Check External Clock a Set CH 1 VOLTSIDIV A SECIDIV b Connectthe Pulse Generator high amplitude output via...

Page 171: ...tch to 10 ms b Connectthe digital voltmeter low leadto either chassis ground or pin 7 signal ground of the X Y Plotter connector Connect the volts lead to pin 3 X Output of the X Y Plotter connector c Set the digital voltmeter to the 20 V scale d Pressthe Setup PLOT buttonto display the PLOT menu Set Plotter Type to XY Grat to ON and Auto Plotto OFF Usethe CURSORS knob to set Plot Speed to 10 e Pr...

Page 172: ...t button in again to activate the X Y Plotter j Recordthe voltage reading as the instrument plots the top and the bottom of the graticule lines as the intensityspot moves along the graticule line k CHECK The voltage difference betweenthe top and bottom graticule line is between 3 2 V and 4 8 V I Disconnectthe test equipmentfrom the instrument Appendices L ...

Page 173: ...K AVERAGE ONIOFF 5 ysldiv to 50 msldiv Any Slow Record PEAKDET or EXT CLK Fast Mode ACCPEAK DC to 100 kHz 3 SAMPLE AVERAGE 0 1 sldiv to 5 sldiv NORM Triggered Scan4 PEAKDET or EXT CLK Slow Mode ACCPEAK DC to 1 kHz 3 SAMPLE AVERAGE ONIOFF P P UntriggeredScan4 PEAKDET AUTO SAMPLE ONIOFF SGL SWP Scan r0ll Scan 9 P P 0115 AUTO and NORM SGL SWP Triggered Roll5 I The default modes for Acquisition and Au...

Page 174: ...Glossary and Index ...

Page 175: ...ntsampling of high frequencies or fast transitions A condition that occurs when an oscillo scope digitizes at an effectivesampling rate that is too slow to repro duce the input signal The waveform displayed on the oscilloscope may have a lower frequency than the actual input signal Alternate vertical A vertical mode of operation for a dual traceoscilloscope The oscillo scope makes a complete sweep...

Page 176: ...s at some fixed rate Chop is generally used at sweep speeds slower than 0 5 msldiv CRT An acronym for the display device of the oscilloscope Cathode Ray Tube Compensation In relationto oscilloscope probes compensation is the act of adjusting the resistiveand capacitive components of the probe to offset undesir able characteristicsof both the probe and the input channel Probe compensation ensures f...

Page 177: ...al of the period Measured in Hertz Hz where 1 Hz 1 cycle per second Ground A connection or referenceto the zero voltage potential of earth ground GPlB General Purpose InterfaceBus An interconnectionbus and protocol that allows you to connect multiple instruments in a network under the control of a controller Also known as IEEE488 bus Ittransfers data with eight paralleldata lines five control line...

Page 178: ...ount one leads or lagsthe other intime Phase is expressed in degrees where 360 comprisesone complete cycle of one of the waveforms Waveforms measured should be of the same frequency or one waveform should be a harmonic of the other Probe An oscilloscope input device Quantizing The process of converting an analog inputthat has been sampled such as a voltage to a digital value Record length The spec...

Page 179: ...n A slow speed storage mode that updatesthe acquisition display leftto right across the display at a rate determined by the time base setting Selected waveform The waveform on which cursor measurementsare performed The symbol underscoresthe selected memory location indicated by 1 2 3 or 4K The symbol appears under the letter R when the waveform selected is the current acquisition Setup menus A gro...

Page 180: ...ne created by the storage mode display system of the oscilloscope that connects two data points Waveform The shape or form visiblerepresentation of a signal x Y A display mode that compares the voltage levels of two signals One signal drives the horizontalor X axis and the other signal drives the vertical or Y axis It is usefulfor studying phase relationshipsbetween two waveforms 2 Axis The intens...

Page 181: ... menu 2 33 Advanced Functions menu Comm Menu 2 33 Diag Menu 2 33 Factory Reset 2 33 Save Setup Menu 2 33 Save Setup Menu submenu Pwr Up State 2 34 Recall Setup 2 35 Save Setup 2 35 Select Setup 2 34 shown 2 33 Aliasing defined G 1 preventing 3 18 symptoms of 3 18 Alternate Current defined G 1 Alternate mode defined G 1 Amplitude defined G 1 Attenuation defined G 1 Automatic trigger mode defined G ...

Page 182: ...CAL switch described 2 13 located 2 12 CH 1 BOTHCH 2 switch described 2 13 located 2 12 CH 1 COUPLING switch described 2 13 located 2 12 CH 1 POSITION knob described 2 11 located 2 10 CH 1 VOLTSIDIVswitch described 2 13 located 2 12 CH 2 CAL knob described 2 11 located 2 10 CH 2 COUPLING switch described 2 13 located 2 12 CH 2 POSITION knob described 2 11 located 2 10 CH 2 VOLTSIDIV knob described...

Page 183: ...2 28 Vector 2 28 Displaysystem defined G 3 Displayingsignals 3 1 3 32 Envelope acquisition mode See Accumulate Peakacquisition mode EXT INWT BNC described 2 19 Externalclock 3 15 Externalsignals triggering on 3 29 Falltime defined G 3 measuring 3 40 Focus setting 3 6 FOCUS knob described 2 9 location 2 8 Format Reference menu Cursor Knob Func 2 29 Format 2 29 Horiz Mag 2 29 shown 2 29 Target 2 29 ...

Page 184: ...List of optional accessories A 3 of standard accessories A 2 Long term memory 3 47 protecting 3 48 saving waveforms in 3 47 Low frequency signals triggering on 3 27 Memory long term 3 47 non volatile 3 47 Menu Acquisition Acq Mode 2 26 Cursor Knob Func 2 27 Ext Clock 2 27 Reset Default Acq Modes 2 27 RollIScan 2 27 shown 2 26 Advanced Functions Comm Menu 2 33 Diag Menu 2 33 Factory Reset 2 33 Save...

Page 185: ...2 XY Setup 2 32 I Plotting automatically 3 54 17 i Plotting wavefo ms 3 52 compatible plotters 3 53 POSITION Horizontal kn0t5 described 2 15 located 2 74 t Positioning trigger point in record 3 17 Pouch installing l 7 Power cord 1 2 fuse 1 2 source 1 2 Power connector 1 4 Power Cord wrapping for transporta tion 1 8 Power on 1 3 Power Supply A 20 PRB ADJ connector described 2 13 located 2 12 Precha...

Page 186: ...waveforms I I comparing 3 46 I a deleting 3 48 positioning and sc2iig 3 4 6 protecting from overwriting 3 48 recalling 3 46 r Saving and Recalling Setups 3 49 waveforms 3 45 Saving setups 3 45 3 50 Saving waveforms 3 45 3 50 Scan mode defined G 5 selecting 3 9 SELECT WAVEFORM button de scribed 2 20 Selected waveform defined G 5 Setup default at power up 3 49 power down stateat power up 3 recalling...

Page 187: ... t rns n 3 3 F 1 i Trigger level measdrinh g i2 9G 1 x P t T otuvsw rriv L 2 f fJIVi ClV Trigger position 3 7 7 _ lc 12 V SPZ J I J F I L J L T S B V setting 3 18 rlo l r f 7 103 3Vt 17 f qQ s Trigger system Performanceuerifjra STORE ONL il hrii13i r ti0n of A 45 OCI described 2 15 2DDh33Oi Triggering t c located 2 14 2in l 3 4 4 purpose of 3 26 5 3 qrno removing unwanted compbnents X I 0 PULL t b...

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Tektronix 070-7066-02, User Manual

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