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Tektronix 2445B, Operator'S Manual

The Tektronix 2445B Technical Manual is an essential resource for users seeking comprehensive information on using the 2445B oscilloscope. This indispensable manual provides detailed instructions and troubleshooting techniques, available for free download at manualshive.com, allowing you to unlock the full potential of your device.

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Summary of Contents for 2445B

Page 1: ...Tektronix x r r v rT 2445B 2455B 2465B Oscilloscope and Options Operator Manual 070 6860 00 r Tpta S i f i j ...

Page 2: ...Tektronix 2445B 2455B 2465B Oscilloscope and Options Operator Manual 070 6860 00 Please check for change information at the rear of this manual First Printing May 1988 Revised Printing October 1990 ...

Page 3: ...ates have six unique digits The country of manufacture is identified as follows B010000 Tektronix Inc Beaverton Oregon USA E200000 Tektronix United Kingdom Ltd London J300000 Sony Tektronix Japan H700000 Tektronix Holland NV Heerenveen The Netherlands Instruments manufactured for Tektronix by external vendors outside the United States are assigned a two digit alpha code to identify the country of ...

Page 4: ...ed to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from im...

Page 5: ...Postal Service has the right to re test the series and to verify that it complies TEKTRONIX Bescheinigung des Herstellers lmporteurs Hiermit wird bescheinigt da der die das 2465B 2455B 2445B OSCILLOSCOPE AND ALL INSTALLED OPTIONS in Ubereinstimmung mit den Bestimmungen der Amtsblatt Verfugung 1046 1984 funkentstoYt ist Der Deutschen Bundespost wurde das Inverkehrbringen dieses Gerates angezeigt un...

Page 6: ... Gerat eingesetzt wird mu 3 ebenfalls den Voraussetzungen nach Par 2 Ziff 1 der Vfg 1046 1984 genugen NOTICE to the user operator The German Postal Service requires that this equipment when used in a test setup may only be operated if the requirements of Postal Regulation Vfg 1046 1984 Par 2 Sect 1 7 1 are complied with HINWEIS fur den Benutzer Betreiber Dies Gerat darf in Meflaufbauten nur betrie...

Page 7: ...ns record and restore as many as 30 instrument setups including the extended function options Setups can be recalled either immediately or sequentially Digital readouts of time voltage scale factors trigger levels and auxiliary information also save time and reduce errors With Parametric Measurements common measurements such as frequency period amplitude pulse width duty factor rise time fall time...

Page 8: ...ust above the CRT See the 24X5B 2467B GPIB Option 10 Instrument Interfacing Guide for information on integrating the instrument into a GPIB system The 2465B CT includes C7Tand WR Option9 and GPIB Option 10 The 2465B DM adds DMM Option 01 and also includes CTT and WR Option 9 and GPIB Option 10 The 2465B DV adds TV Option 05 to the features of the 2465B DM Illustrations at the back of the manual sh...

Page 9: ... Measurements 2 15 Display Operation 2 15 Signal Connections 2 16 Magnify Waveform Details with Delayed Sweep 2 17 B Trigger Operation 2 18 Delta Delay Time 2 19 Single Delay Time Measurements 2 20 Time Interval Measurement 2 21 Precision Timing 2 22 Triggered Delta Delay Time Measurements 2 23 Time Interval Resolution 2 25 Measurement Updating 2 25 Frequency Period and Totalize Counting 2 27 Freq...

Page 10: ... Time and Fall Time 3 9 Propagation Delay 3 11 Setup and Hold Times 3 12 Slew Rate 3 13 Time Ratio Duty Factor 3 13 Phase Difference Between Two Signals 3 15 Measuring Millivolt Signals 3 17 4 Checks and Adjustments Introduction 4 1 Initial Setup 4 1 Trace Rotation and Adjustment 4 2 Astigmatism Adjustment 4 2 Auto DC Balance Routine 4 3 Probe Compensation 4 4 Matching Channel 2 Delay 4 5 Amplitud...

Page 11: ... Appendix A Extended Functions with Diagnostic Exercisers A 1 3 Appendix B Sequence Programming and Operation B 1 Executing Sequences B 3 Q Appendix C Power Up Tests C 1 Kernel Test C 1 Confidence Tests C 1 Q Appendix D Delta Time and Delta Delay Time Accuracy under Noted Conditions for theC T T Option D 1 Delay Time Accuracy under Noted Conditions for the C T T Option D 2 2465B 2455B 24 45B Opera...

Page 12: ...ignals 3 16 3 7 Small angle phase difference 3 16 4 1 Probe low frequency compensation 4 4 5 1 Power and display controls 5 3 5 2 SETUP and MODE buttons and CH 1 and CH 2 POSITION controls 5 7 5 3 Channel 1 and Channel 2 controls and connectors 5 8 5 4 CH 3 and CH 4 controls and connectors and CALIBRATOR output 5 11 5 5 Horizontal and delta measurement controls 5 19 5 6 Trigger controls and indica...

Page 13: ...teristics 6 2 6 2 Option 01 DMM Electrical Characteristics 6 19 6 3 Option 05 TV Electrical Characteristics 6 26 6 4 Option 06 C T T Electrical Characteristics 6 29 6 5 Option 09 WR Electrical Characteristics 6 35 6 6 Option 10 GPIB Electrical Characteristics 6 37 6 7 Mechanical Characteristics 6 38 6 8 Environmental Requirements 6 40 C 1 Confidence Test Numbers and Affected Functions C 2 2465B 24...

Page 14: ...ify conditions or practices that could result in personal injury or loss of life As Marked on Equipment CAUTION indicates a personal injury hazard not immediately accessible as one reads the markings or a hazard to property including the equipment itself DANGER indicates a personal injury hazard immediately accessible as one reads the marking Symbols In This Manual A This symbol indicates where ap...

Page 15: ...Upon loss of the protective ground connection all accessible conductive parts including knobs and controls that may appear to be insulating can render an electric shock Use the Proper Power Cord Use only the power cord and connector specified for your product Use only a power cord that is in good condition For detailed information on power cords and connectors see Table 1 1 Use the Proper Fuse To ...

Page 16: ... 3 4 I A t imufp j A B IRIG iJIMPr INIlfalEM 5i i a a u a a a n ii a a D a i A111 I tVi vtlU III KE1 p ADD m u m I IIIII IIMM f AHFF llini V PUS A MEASURE A l l HWIIM I _ LINE i t t i f U I I M i H l yi M t H j t IIEIP i e a Q l a a a a f c s pini INIIIN IUHN A I I IMISH B VOLTS DIV VOLTS DIVf A r SfcC DIV hUN n UNI IINIS HI i m r i v inn A U I V f i n i M O D E S O U R C E C O U P L I N G FASI Q ...

Page 17: ... REPLACE ONLY WITH SPECIFIED TYPE ANO RAT Ell FUSE UNE VOUAGE SELECTION 1ISV 230V RAN6E 90132V 180 250V dl I98 GI3AC i X Hi 25UV 2A fASl IECI2 5X Jmn1 50V I 6A T POWER MAX WATTS 120 MAX VA 180 FREO 46 440H TEKTRONIX GUERNSEY L I D L l W_ GP1B CONNECTOR 4EEE STD 468 PORT SHV AH1 T6 13 SRI RL1 PPf OGl DTjl C0 El CH Z SIGNAL OUT lOmV OIV INTO 5Qfi A GATE OUT STEP AUTO 8 GATE OUT TtL Jt XT SWITCH TTL ...

Page 18: ...k i i u i w n i n r v n m n i ivrri Manual Part No 070 6860 00 First Printing MAY 1988 Prnrinct 2445B 2455B 2465B Operators Revised OCT 1990 Manual Insert Status Date Change Refersnc Ststu JUL90 M73008 Effective r M W Pagel of 1 ...

Page 19: ...rigger systems work automatically for most signals They operate In various modes from any channel with couplings for a wide range of signals The 2445B triggers from DC to 300 MHz The 2455B and 2465B trigger from DC to 500 MHz PAGE 6 3 6 5 and 6 6 Change the 2445B Vertical Deflection System Channel 1 and Channel 2 and Vertical Deflection System Channel 3 and Channel 4 specifications to 3 dB Bandwid...

Page 20: ...ons at 300 MHz 1 2 divisions from dc to 50 MHz increasing to 3 0 divisions at 200 MHz and 4 5 divisions at 300 MHz 0 35 division from 60 Hz to 50 MHz increasing to 1 0 division at 200 MHz and 1 5 divisions at 300 MHz Attenu ates signals below 60 Hz 0 50 division from 80 kHz to 50 MHz increasing to 1 0 division at 200 MHz and 1 5 divisions at 300 MHz 100 ps with 5 divisions of 200 MHz at 1 ns divis...

Page 21: ...1 General Information ...

Page 22: ...ated on the rear panel see Figure 1 1 is set correctly see Table 1 1 and that the line fuse is correct To convert the instrument for operation on the other line voltage range move the LINE VOLTAGE SELECTOR switch to the correct nominal ac source voltage setting The detachable power cord may have to be replaced to match the particular power source Line Fuse To verify the instrument power input fuse...

Page 23: ...ASC112 IEC 127 ANSI C73 20 NEMA 6 15 P IEC 83 UL 198 6 SEV IEC 127 a A 6A type C fuse is also installed inside the plug of the Option A2 power cord Reference Standards Abbreviations ANSI American National Standards Institute AS Standards Association of Australia BS British Standards Institution CEE International Commission on Rules for the Approval of Electrical Equipment IEC International Electro...

Page 24: ...ug connects through the power cord to the external metal parts of the instrument For electrical shock protection insert this plug into a power source outlet that has a properly grounded protective ground contact Instruments are shipped with the required power cord as ordered by the customer Available power cord information is presented in Table 1 1 and part numbers are listed in Options and Access...

Page 25: ...e of any of the power up tests will be indicated by either a flashing TRIG D indicator on the instrument front panel or a bottom line readout on the CRT in the form TEST XX FAIL YY where XX is the test number and YY is the failure code of the failed test If a failure of any power up test occurs the instrument may still be usable for some applications To operate the instrument after a power up test...

Page 26: ...tronix Service Center for service or repair attach a tag to the instrument showing the following owner of the instrument with address the name of a person at your firm who can be contacted complete instrument type and serial number and a description of the service required 3 Wrap the instrument with polyethylene sheeting or equivalent to protect the outside finish and prevent entry of packing mate...

Page 27: ...2 Operation ...

Page 28: ...in a parametric measurement simply press the MEASURE button and select the desired function from the displayed menu The function is selected by pressing the button in the VERTICAL MODE area that occupies the same relative position as the desired menu selection The measurement function will automatically scale the input signal before making the measurement Parametric measurements require repetitive...

Page 29: ...lope AUTO Setup sets the trigger for Auto Lvl Mode Vert Source DC Coupling and Min Holdoff with level at the midpoint between signal peaks The STEP AUTO EXT SWITCH connector on the rear panel produces the same functions as the STEP AUTO button in response to a switch closure or TTL low signal The following function is available for instruments with serial numbers B049999 and below with firmware ve...

Page 30: ... with each Auto Setup by pushing the appropriate MODE button Activating AUTO Setup from the Probe The following function is available for instruments with serial numbers B049999 and below with firmware version 11 and above or for instruments with serial numbers B050000 and above with firmware version 2 and above see Appendix A EXER04 to determine firmware version Pressing the probe identification ...

Page 31: ...n 0 5 second the Auto Setup function is activated Any measurement assigned to the Auto Setup function is also performed Vertical For voltage measurements set VOLTS DIV VAR fully clockwise For best accuracy set VOLTS DIV for the largest display possible Input Coupling Use 1 MH DC input mode for most applications This mode is compatible with the standard accessory high impedance probes and it displa...

Page 32: ...shing deselect CH 1 and press the button for the other channel to turn it on and off CH 1 is displayed when all other verticals are off ADD and INVERT Press ADD to display the algebraic sum of CH 1 and CH 2 Select INVERT to change the sense of the CH 2 waveform or to see the difference between CH 1 and CH 2 on the ADD trace If you use ADD the CH 1 and CH 2 VOLTS DIV settings should be equal Parame...

Page 33: ...nd MINimum Holdoff Auto Lvl mode with LEVEL in the center half of its range sets the trigger point near the midpoint between signal peaks When LEVEL is set to the or end of its range this mode initiates triggering near the 10 or 90 point between signal peaks You can select a level anywhere in about the middle 80 of the signal amplitude Once set the level doesn t change unless the signal ceases to ...

Page 34: ...o detect the occurrence of a rare event display a single trace and arm Sgl Seq with the trigger set for the event Periodically check to see if READY is on If a burst of trigger events occurs the sweep runs once for each trace displayed and READY extinguishes Trigger Source Choose a single trigger source to correctly display the timing relationships among multiple channels Choose the channel with t...

Page 35: ... in case neither the Auto Lvl mode nor INIT 50 provides a suitable threshold Trigger Holdoff With irregular signals such as bursts the Trigger HOLDOFF setting can improve display stability Also if the signal has a fixed pattern of variation from cycle to cycle some modes of the signal may be omitted from the display Changing the Holdoff setting can force the instrument to display all the modes of ...

Page 36: ...djusted to vary the actual sync trigger point This can be useful when triggering on noisy video signals INIT 50 resets the trigger point to mid range To compare two video signals with the same format that are not perfectly synchronized such as from a camera and a VCR or from the input and output of a time base corrector 1 Display the signals on CH 1 and CH 2 with Alt Vertical mode 2 Select VERT Tr...

Page 37: ...nd below with firmware version 11 and above or for instruments with serial numbers B050000 and above with firmware version 2 and above see Appendix A EXER04 to determine firmware version then all AC trigger couplings HF Reject LF Reject and AC or AC input coupling provide an indication of the trigger level setting The readout in these modes indicates a reference level not absolute value XXXX and i...

Page 38: ...s that CH 2 is inverted TRIGGER TRIGGER SOURCE LEVEL i 2 3 OR 4 INDICATOR TRIGGER CURRENTLY UNDER CONTROL A or B INVERT INDICATOR W SWEEP DELAY TIKE DELTA VOLTAGE DELTA TIME i DELTA TIME PARAMETRIC MEASUREMENTS MENUS AND HELP USE ALL FOUR READOUT LINES 6860 01 Figure 2 1 Readout display locations CH 3 and CH 4 scale factors assume volts division units The A Sweep and B Sweep time scale readouts ar...

Page 39: ...hird lines of the readout Help and menu information can use all four lines of the readout Probe Effects Probe attenuation effects are included in scale factors trigger levels and delta volts readouts if you use the standard accessory probes or other compatible probes Pressing the identification button on Tektronix probes replaces the scale factor for the channel with ID and shifts the trace 2 12 2...

Page 40: ...visions of waveform amplitude For best At and 1 At accuracy use the fastest sweep that will include the interval of interest Measure Voltage 1 Turn on the AV cursors and readout with the AV button 2 Align the cursors with points of interest such as waveform peaks using the A REF and A knobs 3 The readout shows the voltage between the points marked by the cursors 4 Press AV to turn off the AV curso...

Page 41: ...ference and compare others to it For phase set one cycle which is the 360 degree reference to five divisions 3 Press AV to measure voltage ratio At for time ratio or AV and At together for phase The VAR must be counterclockwise from the detent position to turn on the RATIO or PHASE readout 4 Turn A REF and A to align the cursors with the portion of the waveform to be compared to the reference port...

Page 42: ... value will be displayed The voltage measurement is sensitive to input frequency Signal frequencies above 1 MHz will have measurement errors greater than 5 For accurate voltage measurements using VOLTS it is important that a DC balance has been done at a temperature within 5 C of the operating environment temperature See Auto DC Balance Routine in the Checks and Adjustments section for more inform...

Page 43: ... circuit This circuit can affect system bandwidth and can ring if driven by a fast step Always keep both the ground lead and the probe signal input connections as short as possible to maintain the best waveform fidelity In some cases a separate ground from the unit under test to the ground receptacle on the oscilloscope front panel can reduce interference from low frequency hum and noise For rough...

Page 44: ...If an A Trigger Mode indicator is on the B Trigger has been set previously to RUN AFT DLY 3 Set A REF OR DLY POS to place the small intensified zone at a point of interest This zone may be more apparent with a lower Intensity setting If the A Sweep terminates just after the intensified zone you can move the HOLDOFF control and set it at MIN Two intensified zones appear if you have selected At or 1...

Page 45: ...delay time is adjusted With TRIG AFT DLY the actual delay time is controlled by the signal as enabled by the A Sweep and the A REF and A settings Setting the B Trigger 1 When the B SWP indicator is on press A B TRIG to illuminate a B Trigger Mode indicator If B Trigger mode is not RUN AFT DLY a B Trigger Mode indicator will be on when the B SWP indicator is on 2 Select TRIG AFT DLY Mode 3 Set SOUR...

Page 46: ...ger Mode indicator is on the B Trigger has been set previously to RUN AFT DLY 4 Select At or 1 At while the SEC DIV knob is out 5 Adjust A REF OR DLY POS and A to place the pair of intensified zones at the beginning and end of the interval of interest If the A Sweep terminates just after the intensified zones you can move the HOLDOFF control and set it at MIN 6 Turn SEC DIV clockwise with the knob...

Page 47: ...art of B Sweep Compared to delta delay time measurements some accuracy will be lost unless you can take the difference between one delay time and another 1 Display the time interval with the A Sweep running as fast as possible unmagnified If the interval is a propagation delay or other two signal measurement apply the signals to CH 1 and CH 2 For maximum display repetition rate display only the ch...

Page 48: ...ect TIME from the menu 4 Using the A REF OR DLY POS and the A controls select the channel slope and level of the start and stop events that define the time interval The A REF OR DLY POS control moves the underlining cursor among the various items When an item is underlined turning the A control will change its value Pressing any one of the VERT mode buttons will exit from this menu leaving the tim...

Page 49: ...ces an indirect reading until a new direct measurement is complete Direct counted measurements may be different from indirect SET measurements for any of the following reasons 1 Direct measurements are more accurate and show more digits of resolution 2 When B Sweep is triggered both the waveform display and the direct measurement respond to the signal Indirect measurements respond only to control ...

Page 50: ... TRIG AFT DLY B Sweep runs at the first trigger after the set delay With At or 1 At TRIG AFT DLY and TRIG A DLY both indicators on SLOPE and LEVEL settings for triggering at A REF delay and A delay are common TRIG A DLY SLOPE and LEVEL for A delay can be set independent of the setting for A REF deiay TRIG AFT DLY SLOPE and LEVEL for A REF can be set independent of the setting for A delay TRIG A DL...

Page 51: ...ither deselect the other signals or set Source to the appropriate channel If two channels are used only those two channels should be displayed 5 Set B Trigger Coupling to DC For unusual applications other couplings may be preferred 6 Press INIT 50 If necessary adjust LEVEL for the desired trigger threshold 7 Select TRIG AFT DLY Mode and repeat Step 6 For the special case noted in Step 3 skip this ...

Page 52: ...enu 4 Select RESOLUTION from the menu The presently selected resolution is indicated by an underline cursor 5 Select the desired resolution by pushing the appropriate menu VERTICAL MODE button Measurement Updating AUTO updates the measurement either every 1 2 second or when a measurement is available whichever is longer With 1 ns 100 ps and 10 ps resolution the measurement is updated after enough ...

Page 53: ...See Table 2 2 10 ps 100 ps 1 ns 100 ps 1 ns 1 ns 10 ns 100 ns 1 vS N for Average See Table 2 2 106 104 100 104 100 100 1 1 1 Table 2 2 Auto Resolution A SEC DIV 10 ns to 2 jus 10 ns to 2 us 5 MS to 200 MS 10 ns to200 iS 500 jiS to 5 ms 10 ms to 50 ms 100 ms to 500 ms Trigger Rate 20 kHz 200 Hz to 20 kHz 200 Hz 200 Hz Any Any Any Least Digit 100 ps 1 ns 1 ns 10 ns 10 ns 100 ns 1 MS N for Average 10...

Page 54: ...menu 3 Select FREQUENCY or PERIOD from the menu 4 Frequency or period measurements will be displayed in the upper right hand corner of the display Measurements will be updated 3 times per second or once per period whichever is slower The input frequency must be 150 MHz or less Totalize Random or Low Repetition Rate Events 1 Press the MEASURE button 2 Select COUNTER from the menu 3 Select TOTAL fro...

Page 55: ...Timer Trigger Option 09 or 06 includes delay by events for either the A Sweep or the B Sweep Event counting begins at a starting event on a vertical input defined by the A Trigger Delay counting events are defined by the B Trigger In addition the available Word Recognizer WR can define either start or delay counting events The combinations available are shown in Table 2 3 Which Sweep to Delay When...

Page 56: ...lay by Events Combinations with the Word Recognizer A B A A A Trigger A Trigger Word Recognizer Word Recognizer Word Recognizer Word Recognizer B Trigger Word Recognizer Delay begins at the A Trigger then A Sweep runs after the selected number of words are recognized Dplav hpnin whon thp A u apn ic triggered by the A Trigger event then B Sweep runs after the selected number of words are recognized...

Page 57: ... function If B Sweep is delayed by events the message PULL SEC DIV appears until the B Sweep is activated The display shows A or B to identify the sweep delayed DBE to indicate the Delay by Events function and the number of events required to initiate the sweep for example A DBE 1234567 Change the Number of Events 1 Turn off any competing function such as At so the Delay by Events display appears ...

Page 58: ... be resolved by choosing appropriate trigger slopes for the start and delaying events To see exactly which event is counted as the first event select B Sweep Delayed by Events pull SEC DIV out to display the intensified A Sweep and set the event count to 1 The intensified zone will show which event is counted first Canceling Menu Functions To exit from any MEASURE menu select OFF from the menu or ...

Page 59: ... input signal is more positive than the trigger level and slope is selected If slope is selected a true state exists only when the input signal is more negative than the trigger level b A OR B Triggers the A sweep on the occurrence of either the A trigger event or the B trigger event The same rules for logic conversion of the trigger signal apply here as they do for A AND B c A WR Triggers the A s...

Page 60: ...Recognizer detects the selected word Word Recognizer detects the selected word Canceling Menu Functions To exit from any MEASURE menu select OFF from the menu or press any other front panel switch except VERTICAL MODE or MEASURE Pressing MEASURE while in a menu cycles HELP text lines through the bottom line of the readout When a logic trigger is active selecting AUTO LVL Trigger Mode cancels the f...

Page 61: ... defined in one radix then displayed in another some but not all bits of a hexadecimal or octal digit may be X irrelevant rendering the digit ambiguous Ambiguous digits are displayed as question marks AI011XX XXXO ATO 17X077 AlO 3F BIN OCT HEX When the WR defines the starting event or the counting event for Delay by Events the display shows both the WR status and the delay count 7 During operation...

Page 62: ...he WR or the WORD OUT signal Frequency Limit for Auto Level or Parametric Measurements The minimum frequency of operation for parametric measurements is selectable The minimum limits are 50 Hz and 10 Hz Selecting 10 Hz causes all measurements to be significantly slower These can be selected by the following steps 1 Press the MEASURE button 2 If the CTT is present select MORE from the menu Otherwis...

Page 63: ... again Each time you press SAVE HELP or RECALL HELP the readout shows another message The messages appear in a repeating sequence Save a Setup Direct Save setups 1 8 1 Set the instrument to make a particular measurement or observation 2 Press SAVE The readout will indicate the Direct Save mode Top Row SAVE 1 8 DIRECTLY NAME xxxxxxx Cursor Bottom Rows PUSH ANY OF 1 8 TO SAVE SETUP PUSH SAVE FOR HEL...

Page 64: ...ng mode 4 Press one of the setup number buttons In the upper left corner of the CRT the readout will show the number of the button you pushed and either the new name you defined or the name of the setup previously associated with that setup number Save a Setup Extended Save setups 9 30 You can also save more than 8 setups by pressing STEP AUTO after pressing SAVE to enter Save mode and turning A t...

Page 65: ...first four turn A to the number and name of the first step in the desired sequence 4 Press STEP to recall each setup in the sequence in turn When the last setup in the sequence has been recalled the next operation of STEP recalls the first step in the sequence 5 Press RECALL to cancel the sequence mode The STEP Indicator If the STEP indicator is off AUTO STEP automatically establishes a waveform d...

Page 66: ...3 Applications ...

Page 67: ...1 Pushing the MEASURE button 2 Selecting VOLTS from the menu Overshoot and undershoot on fast transitions will often be only partially detected by the VOLTS measurement If your measurements require accurate representation of overshoot or undershoot cursors will provide a better result Absolute Voltages Using Cursors 1 Position the waveform as desired for convenient viewing with VOLTS DIV VAR fully...

Page 68: ...example with TTL 1 Superimpose the A REF cursor on the trace with input coupling at GND 2 Set the A cursor for a 2 0 V readout 3 Set the A REF cursor for 1 2 V readout the difference between the 0 8 V lower threshold limit and the 2 0 V upper threshold limit 4 Set Input Coupling to DC and observe the relationship between the signal and the cursors The signal is faulty if it changes direction betwe...

Page 69: ...red voltage is five to fifteen divisions OR 1 Push MEASURE 2 Select VOLTS from the menu The AVERAGE VOLTS readout is a good measure of the DC voltage present Amplitude Modulation 1 Set VOLTS DIV and VAR for five divisions of carrier amplitude Carrier amplitude is the difference between positive peaks of the modulated signal and negative peaks of the minimum amplitude part of the envelope 2 Align t...

Page 70: ...V at 0 2 times the period using the switch and VAR The display will show one cycle in five horizontal divisions If the DLY setting is less than 200 ns turn A REF to zero DLY then turn A REF to move ten cycles past a point in the display 5 Align At cursors with the deviation extremes 6 Divide the reading by 10 to determine the peak to peak deviation in percent For modulation indexes from 0 01 to 0 ...

Page 71: ... HOLDOFF so the modes are superimposed in the display 2 CHOP Vertical Mode often will superimpose the multiple modes of waveforms in multi channel displays Signals with these characteristics should not be measured with the parametric functions since results are unpredictable Algebraic Addition to Detect Coincidence or Cancel Interference With the Add Vertical mode the waveform is the algebraic sum...

Page 72: ...Add Source 4 Now you can observe and measure coincidence durations and other time intervals Channels 3 and 4 can show relationships to other signals Measuring Off Ground Signals And Canceling Interference The Add mode can measure voltage between a pair of points where neither point is ground The technique can cancel interfering signals or uninteresting components of a signal through common mode re...

Page 73: ...REQUENCY COMPONENT CH 2 SIGNAL FROM LINE FRFQUENCY SOURCE SIGNAL WITH LINE FREQUENCY COMPONENT CANCELED OUT A CH 1 AND CH 2 SIGNALS r i 18 RESULTANT SIGNAL 3832 15 5854 13 Figure 3 2 Eliminating common mode signals 2465B 2455B 2445B Operators 3 7 ...

Page 74: ...tive signals Signals with multiple valid trigger points will give erroneous results if measured with parametric measurements Using the Counter Timer Trigger CTT 1 Push the MEASURE button 2 Select COUNTER from the menu 3 Select FREQuency from the menu Without Parametric Measurements or CTT 1 Set SEC DIV and if necessary X10 MAG to spread one cycle over as wide a span as possible 2 Turn on At or 1 A...

Page 75: ...the 10 or 90 points with a fast transition between the 10 and 90 points can give erratic measurement results using RISE t or FALL t Without Parametric Measurements or for Maximum Accuracy 1 Set VOLTS DIV VAR and POSITION to align the bottom of the waveform with the 0 graticule line and the top with the 100 line 2 Set Trigger SLOPE to for rise time or to for fall time 3 Set SEC DIV and if necessary...

Page 76: ...Applications A1 0 0 V 10 POINT REFERENCE CURSOR l SI OSJJS RISE TIME 90 POINT DELTA CURSOR 3632 16 5854 14 Figure 3 3 Measuring rise times 3 10 2465B 2455B 2445B Operators ...

Page 77: ...ping the zero volt level on screen 2 Trigger the sweep on the input signal 3 Vertically position each waveform so the appropriate threshold voltage or the 50 point on transitions is aligned with a horizontal graticule line You can use the same or different graticule lines for each waveform a Turn on AV and adjust A for the desired threshold voltage b Press TRACK INDEP to select TRACK c Adjust A RE...

Page 78: ... connecting both probes to one signal If the delays are not precisely matched see Matching Channel 2 Delay in Checks and Adjustments Setup and Hold Times Proceed as if measuring propagation delay treating the clock as an input and the data signal as an output Use high settings of INTENSITY to observe variations If setup time exceeds 30 or 40 ns you may prefer to treat the data as input and the clo...

Page 79: ... the cursors For example if the cursors intersect the waveform at points separated by one volt and the readout shows 173 kHz the slew rate is 173 V ms With 10 mV between cursors and 55 3 MHz readout the slew rate is 0 553 V jus or 553 kV s etc Time Ratio Duty Factor With Parametric Measurements With the Parametric Measurements feature duty factor can be measured by 1 Displaying the signal on CH 1 ...

Page 80: ...see Figure 3 5 If the portion of the pulse you are measuring is less than 1 division wide 20 you can improve the accuracy of the measurement Activate the X10 MAG without changing SEC DIV or VAR and align the cursors with the magnified pulse The RATIO reading will be 10 times the actual ratio The CRT readout displays the ratio in percent between the separation of the two cursors and the five divisi...

Page 81: ... SEC DiV and VAR to display one cycle of the reference signal over five horizontal divisions 5 Activate 1 At by pressing both the At and AV buttons together 6 Align the Reference cursor with a zero crossing of the reference signal Align the Delta cursor with the nearest zero crossing of the comparison signal on the same slope as the reference signal zero crossing see Figure 3 6 Use the center hori...

Page 82: ...RISON SIGNAL 3832 19 5854 17 Figure 3 6 Phase difference between two signals DIVIDE BY 10 REFERENCE CURSOR ZERO CROSSING REFERENCE SIGNAL ZERO CROSSING COMPARISON SIGNAL 10 4 ns j DELTA CURSOR 3832 20 5854 18 Figure 3 7 Small angle phase difference 3 16 2465B 2455B 2445B Operators ...

Page 83: ...tem This set up is called an XY measurement because both the X and Y axis are tracing voltages The waveform resulting from this arrangement is called a Lissajous pattern From the shape of the Ussajous pattern you can tell the phase difference between the two signals You can also tell their frequency ratio Figure 1 shows Lissajous patterns for various frequency ratios and phase shifts Phase Shift X...

Page 84: ...ough a 50 12 cable to the CH 1 input on the front panel 2 Set the CH 1 input at 1 Mfi DC or AC 3 Set 20 MHz BW LIMIT on This will reduce the trace thickening caused by wide band noise and avoid oscillation of the vertical system If you trigger from CH 1 source you probably need to use HF REJ coupling 4 Set CH 2 VOLTS DIV at 2 mV 20 mV with 10X probe and set CH 1 at 5 mV or 2 mV division 5 Note tha...

Page 85: ...e vertical deflection to the CH 2 input connector Set the Vertical Mode to CH 2 2 Connect the signal that you want to provide horizontal deflection to the CH 1 or X input connector a Rotate the A SEC DIV control fully counterclockwise to select XY mode A From the shape of the displayed Lissajous pattern read the phase shift between the two signals 3 18 REV DEC 1082 2465B 2455B 2445B Operators ...

Page 86: ...4 Checks and Adjustments ...

Page 87: ...cy 2 Set instrument controls to obtain a display READOUT INTENSITY Midrange between OFF and fully clockwise INTENSITY Midrange FOCUS Midrange VERTICAL MODE CH 1 CH 1 Input Coupling 1 M DC Connect the Calibrator output to the CH 1 input with a standard accessory probe and ground the probe near the Calibrator output Press the AUTO Setup button to obtain a display If the STEP indicator is illuminated...

Page 88: ...on and adjust the CH 1 POSITION control to center the display on the screen 3 Select AV and position the cursors near the top and bottom of the screen 4 Set SEC DIV to 1 s 5 Slowly adjust the FOCUS control to its optimum setting best defined display of cursor dots 6 Use a small bladed screwdriver to adjust the ASTIG control for best defined display of cursor dots The waveform and the entire readou...

Page 89: ...or accurate measurements with Parametric Measurements To initiate the adjustment press the upper input coupling buttons for both Channel 1 and Channel 2 at the same time When the Auto DC Balance cycle is complete the instrument will return to normal operation NOTE If a circuit defect prevents accurate dc balance the routine halts and LIMIT is displayed Press the upper Trigger COUPLING button to co...

Page 90: ...n as follows 1 Obtain a display as described in Initial Setup 2 Set the SEC DIV control to 1 ms and 20 MHz BW LIMIT on If the probe to be compensated is connected to CH 2 enable the Channel 2 display Set the appropriate VOLTS DIV control to 100 mV 3 Connect the probe to the CALIBRATOR output 4 Check the waveform for overshoot and rolloff see Figure 4 1 If necessary adjust the probe for a square fr...

Page 91: ...s via hook tips to the same fast rise pulse generator output 4 Select both CH 1 and CH 2 Vertical mode displays 5 Press AUTO Setup to obtain a display 6 Set the CH 1 and CH 2 VOLTS DIV and POSITION controls for 3 to 6 divisions of amplitude and superimposed displays 7 Set SEC DIV to 5 ns 8 Pull the SEC DIV knob and observe the message CH 2 DELAY TURN A in the upper right hand corner of the screen ...

Page 92: ... as described in Initial Setup 2 Set the VOLTS DIV switch to 100 mV the SEC DIV switch to 1 ms and 20 MHz BW LIMIT on 3 Adjust the CH 1 POSITION control to center the display on the screen 4 CHECK Amplitude of the CALIBRATOR signal is between 3 88 and 4 12 divisions as measured on the center vertical graticule line 5 Select AV and carefully superimpose the cursors on the high and low levels of the...

Page 93: ...layed transition time of the signal remains approximately the same when A SEC DIV is changed to 10 ns and 5 ns The number of horizontal divisions covered by the transition time at 10 ns per division should be two times the number covered at 20 ns and the number of divisions at 5 ns should be four times the number at 20 ns Return A SEC DIV to 1 ms switch the X10 MAG on and CHECK that 1 2 cycle cove...

Page 94: ...5 Controls Connectors and Indicators ...

Page 95: ...ically and horizontally Button to within the graticule Display intensity is not affected by the BEAM FIND button FOCUS Adjusts the CRT writing beam for optimum display Control definition TRACE Aligns the no signal trace with the horizontal graticule ROTATION lines Relocating the instrument to a different magnetic Control ambient may result in slight misalignment of the trace and graticule indicati...

Page 96: ...beam shape to obtain a well defined display over the entire graticule area in conjunction with the FOCUS control Once adjusted with a screwdriver it normally does not require readjustment 7 SCALE ILLUM Adjusts the level of graticule illumination Turns instrument power on and off Press in for ON press again for OFF An indicator in the switch shows green when the switch is on and black when it is of...

Page 97: ...m the system controller SRQ lights when the instrument requests a service response from the system controller REM lights when the system controller assumes control of the instrument See 24X5B 2467B Option 10 Instrument Interfacing Guide for detailed information on using the instrument in a GPIB system Z_ REAOOUT INTENSITY SCALE ILLUM POWER i V y V SWH Si i SC4U V i D 0 G 6860 02 Figure 5 1 Power a...

Page 98: ...ber buttons Pushing the RECALL HELP button replaces the top and bottom rows of the normal readout with the user defined menu Repeated operation of the HELP button produces a cycle of help messages Additional setups are accessible by using A and STEP For operational information see the Operation section and Appendix B Each setup carries a name with one to seven characters The name of a setup can be...

Page 99: ...show when the respective display or characteristic is active Pressing a button toggles the display or characteristic on or off When pressed after pressing SAVE or RECALL these buttons select setup memories 1 through 8 These buttons also select the various entries in the displayed menu when the buttons are pressed after pressing the MEASURE button When multiple channels are selected they are displa...

Page 100: ...e switching occurs during sweep retrace times If both A and B Sweeps are displayed in Alt horizontal mode vertical switching occurs at the completion of the B Sweep The Alt vertical mode enables a slaved delta time mode for measuring time intervals between two channels In the slaved delta time mode the first selected display in the sequence is displayed with the delta reference delay and the secon...

Page 101: ... Indicators SETUP RTIC L STEP POS J pN j SOSmON AUTO h V n a n son I vtsi u a h 6 jnwiH ALT BWUV iT a 6860 03A Figure 5 2 SETUP and MODE buttons and CH 1 and CH 2 POSITION controls 2465B 2455B 2445B Operators REV FEB 1989 5 7 ...

Page 102: ...ppears in front of the associated VOLTS DIV readout display 20 VOLTS DIV Select vertical deflection factor settings in a 1 2 5 Switches sequence with 11 positions The VAR control must be in the detent fully clockwise position to obtain a calibrated deflection factor Basic deflection factors are from 2 mV per division to 5 mV per division The switches can rotate continuously but have no effect beyo...

Page 103: ...urns off the clamp 1 MQ GND The input of the vertical amplifier is grounded to 2 identical provide a zero ground reference voltage display positions Input resistance is 1 M9 to ground This input selection allows precharging of the input coupling capacitor to prevent a sudden shift of the trace if AC input coupling is selected later The input signal is not grounded If the input coupling of a channe...

Page 104: ...erate identically to the Channel 2 POSITION control but with less range on their associated traces VOLTS DIV Toggle between 0 1 V and 0 5 V per division deflection Switches factors for Channel 3 and Channel 4 26 CALIBRATOR Provides a 0 4 V p p square wave into a 1 Mfi load Connector 0 2 V p p into a 50 9 dc coupled load or 8 mA p p into a short circuit The signal is useful for checking sweeps dela...

Page 105: ...ill appear to jitter and will give false low frequency counts The sweep of the instrument is easily shut off by setting TRIGGER MODE to SGL SEQ L27 Auxiliary Provides an auxiliary signal ground The jack is Ground Jack compatible with standard banana plugs A standard accessory binding post plugged into the jack provides a probe ground when probing the CALIBRATOR output and provides a versatile grou...

Page 106: ...s to 10 ns div in the 2455B and 2445B Full counterclockwise rotation of the SEC DIV switch selects the X Y display feature In X Y the CH 1 OR X input drives the horizontal deflection system When the B Sweep is displayed SEC DIV selects B Sweep speeds in 22 calibrated steps from 50 ms div to 5 ns div in a 1 2 5 sequence 21 steps to 10 ns div in the 2455B and 2445B Horizontal Display Mode Selection ...

Page 107: ...ference zone appears on the first selected trace in the display sequence CH 1 CH 2 ADD CH 3 CH 4 2 The delta zone appears on the second selected trace 3 Both zones appear on additional traces when more than two traces are selected Both zones appear on all traces with Chop vertical mode or muitipie A Trigger sources Pulling the SEC DIV switch knob out at the fastest A Sec Div rate selects the CH 2 ...

Page 108: ...weep The detent position full clockwise rotation produces the basic sweep speed selected by the SEC DIV switch The fully counterclockwise position slows the sweep by a nominal factor of three The CRT readout displays the actual time per division scale factor for all settings of the VAR control When the Intensified A Sweep or the B Sweep is displayed VAR affects only the B Sweep scale factor 30 TRA...

Page 109: ...surement function When the AV function is active two horizontal cursors are superimposed on the display The CRT readout shows the equivalent voltage between the two cursors Cursors are positioned by the A REF OR DLY POS control and the A control With multiple vertical displays the deflection factor of the first selected channel in the display sequence determines the cursor scale factor The cursor ...

Page 110: ...isplay mode is selected the CRT readout displays delta time as a ratio where five divisions correspond to 100 ratio When At is active pressing the At button deactivates the function 1 At Momentarily pressing the At and AV buttons Function together activates the 1 Delta Time function and cancels any other Delta measurement function The waveform display and the Delta controls operate the same as for...

Page 111: ...A DLY With the C7T these question marks disappear when a direct measurement is complete A question mark also appears when the difference between the pair of delays in 1 At is less than 1 of full scale and the CTT does not remove it For the lowest 0 5 of the range of DLY settings the reading is zero This offset lends accuracy to delay time settings It is related to the circuit offset that makes the...

Page 112: ...umber rotating it counterclockwise decreases the line number Increasing the line number above the number of lines in a field or decreasing the number below the minimum automatically sets the line number to the minimum or the maximum in the other field and selects the opposite FLD 1 or FLD 2 coupling In ALT the coupling does not change and line numbers are limited to the numbers shared by both fiel...

Page 113: ...dependent mode the A control moves only the A cursor 6860 06 Figure 5 5 Horizontal and delta measurement controls Trigger Refer to Figure 5 6 for the location of items 38 through 47 38 MODE Buttons and Indicators Select the mode of either the A Trigger or the B Trigger Pressing a button steps the MODE selection once holding the button causes the MODE selection to step repeatedly Indicators show th...

Page 114: ...ak If LEVEL is in the midrange between either end the trigger level set by AUTO LVL is near the midpoint between the trigger signal peaks When INIT 50 is pressed the trigger level is set near the midpoint of the signal regardless of the setting of LEVEL The established trigger level remains in effect when switching to Auto trigger mode To obtain triggered sweeps the triggering signal repetition ra...

Page 115: ...luminated until the final trace in the sequence is completed At the end of the display sequence scale illumination flashes and the readout display is written once to present the scale factors and other readout data B Trigger Modes RUN AFT The B Sweep runs immediately after the delay time DLY set by A SEC DIV A REF OR DLY POS and if At or 1 At is active A TRIG AFT The B Sweep runs when triggered af...

Page 116: ...LINE A Trigger Only A triggering signal is obtained from the corresponding vertical channel A triggering signal is obtained from a sample of the ac power source waveform This trigger source is useful when vertical input signals are related multiple or submultiple to the frequency of the ac power source voltage COUPLING Buttons and Indicators DC Select the method of coupling the triggering signal t...

Page 117: ...ger level readout is displayed with a V mark to indicate the set ting is only of value to allow the operator to obtain the same setting again In TV trigger modes the trigger level readout is displayed as a percent instead of in volts With Available TV Enhancement Trigger Coupling buttons and indicators select four additional trigger couplings The readout shows which of these couplings and which li...

Page 118: ...are directed to the opposite trigger while the A B TRIG button is pressed With Inten Alt or B Sweep horizontal displays and with B Trigger mode set to RUN AFT DLY or with A Trigger mode set to Sgl Seq the trigger controls are alternately directed to the A Trigger or to the B Trigger each time the button is pushed 42 LEVEL Control Sets the amplitude point on the triggering signal at which A Sweep o...

Page 119: ...rol Varies the time from the end of an A Sweep to enabling the next sweep to be initiated by the triggering signal This control can be set to stabilize some aperiodic signals In the B ENDS A position fully clockwise trigger holdoff time is minimum and A Sweep terminates immediately at the end of the B Sweep This enables the fastest possible sweep repetition rate at slow A Sweep speeds 47 INIT 50 B...

Page 120: ...Connectors and Indicators A e IRIG sirjpt im ios iurj iv r OR i 1 1 H 1HH A MODE Q Q VIHT en i M OURC Q k 0 Hi I if I HO I o 0 6860 07 Figure 5 6 Trigger controls and indicators 5 26 2465B 2455B 2445B Operators ...

Page 121: ... 2 SIGNAL OUT Connector Mod Slots Selects either 115 V or 230 V nominal ac power source voltage Provides an input for external signals to modulate the display intensity Contains the ac power source fuse Connects the ac power source to the instrument Supplies a normalized signal that represents the Channel 2 input signal Contain identification of any installed instrument modifications 55 STEP AUTO ...

Page 122: ...1 L57 WORD Provides an LSTTL compatible positive going pulse RECOG OUT when the Word Recognizer detects the selected word Connector or only with the available WR Option 09 or supplies Probe Power conditioned dc voltages to active probes only with Option 11 58 GPIB Connector Provides the IEEE Std 488 1978 compatible electrical and mechanical connection to the GPIB 6860 08 Figure 5 7 Rear panel cont...

Page 123: ...anges the display blanks momentarily If a measurement exceeds a manually selected range or the highest range with autoranging OVER is displayed in the readout UP and Change the measurement range In autorange mode DOWN pressing either button disables autoranging and selects the next range above or below the present range Pressing the UP button at the highest range or DOWN at the lowest range does n...

Page 124: ...her SHORT 10 ft or OPEN 10 ft The tone responds to continuity within about 100 ms Continuity operation is not affected by AUTO UP DOWN HOLD SMOOTH MIN MAX DISPLAY MIN MAX RESET REF DISPLAY or REF SET 64 HI ft LO ft Selects or deselects resistance measurement HI ft Measures resistance within 2 k 20 k 200 k 2 M and 20 Mft ranges At full scale 2 V appears across the test leads which will bias a silic...

Page 125: ... right of the display shows how many measurements the displayed average includes 8 16 24 32 40 48 56 or 64 After 64 measurements are accumulated the running average is updated after each eight measurements to reflect the most recent 64 measurements To reset the averaging process smoothing must be deselected then selected again 68 MIN MAX DISPLAY MIN MAX RESET Displays the minimum or maximum measur...

Page 126: ...e reference The reference is retained if another instrument function such as At displaces the DMM measurement and then the same DMM measurement is selected again Provide high impedance floating inputs to the DMM For DC and resistance measurements the upper red terminal is positive and the lower black input is negative Excessive input in a current measuring mode may open the input fuse If the fuse ...

Page 127: ... Display with Reference Continuity Display Over Range Display 15 693 V DC 1 4356 ADC 64 A 0 9861 A DC 1 3461 V DC REF 0 5201 V AC MIN A 0 8293 V DC MAX OPEN SHORT OVER 10fl ion Display Mode Interactions Selecting REF SET or SMOOTH cancels any HOLD REF DISPLAY or MIN MAX DISPLAY but those displays can be reselected and work with reference values or with the SMOOTH display mode With SMOOTH MIN MAX D...

Page 128: ...6 Performance Characteristics ...

Page 129: ...hours of operation or once a year if used infrequently Items listed in the Performance Requirements column define the measurement capabilities of the instruments Supplementary measurement conditions may also be listed in the Performance Requirement column Mechanical characteristics are listed in Table 6 7 Environmental characteristics are given in Table 6 8 The oscilloscope meets the environmental...

Page 130: ...screen 1 25 of reading 0 03 div signal aberrations Add 2 of reading Add 1 of reading CH 2 Inverted Add 1 of reading AV Range 8 X VOLTS DIV setting V DIV VARiable noninverted Continuously variable between VOLTS DIV settings Extends deflection factor to 12 5 V division Frequency Response Bandwidth is measured with a leveled low distortion 50 Q source sine wave generator terminated in 50 ft The refer...

Page 131: ...55 C 2445B AC Coupled Lower 3 dB Frequency With Standard Accessory Probe Step Response Rise Time 2465B 2455B 2445B Using 5042 external termination on 1 MQ input 5 mV DIV Dc to 400 MHz a 2 mV DIV Dc to 350 MHz a Dc to 300 MHz Dc to 250 MHz 3 Dc to 200 MHz Dc to 150 fvlHz 10 Hz or less 1 Hz or less Calculated from Tr 0 35 BW 5 mV DIV 875 ns 2 mV DIV sl ns sssl 4 ns 2 33 ns a lf instrument is subject...

Page 132: ...ion to 500 mV per division with equal VOLTS DIV set tings on both channels Adjustable through a range of at least 500 ps to 500 ps 1 M i l 0 5 15 pF 2pF 400V dc peakac 800 Vp pac at 10kHz or less 50X2 1 1 5 1 1 3 1 fordc to Nominal Bandwidth 5 V rms averaged for 1 second 50 V peak Channel 2 Vertical Signal Output into Channel 1 input DC coupled using 50 XI RG 58C U coax ial 1 MPt DC or 1 MX AC Cha...

Page 133: ...ns or the maximum leveled amplitude Bandwidth with external termination is checked with a 4 division reference signal amplitude Bandwidth with probe is checked using a BNC to probe tip 013 0227 00 termination adapter Bandwidth with external termination is checked using a BNC 50 ft feed through terminator 011 0049 01 Using standard accessory probe Dc to 400 MHz a Dc to 350 MHz Dc to 250 MHz a Dc to...

Page 134: ...tion of deselected channel at 100 MHz with an 8 division input signal Within 1 0 ns measured at the 50 points 1 Mtt 1 15 pF 3pF 400 V dc peak ac 800 V p p ac at 10 kHz or less VERTICAL DEFLECTION SYSTEM ALL CHANNELS Low frequency Linearity Bandwidth Limiter 0 1 division or less compression or expansion of a two division center screen signal when positioned anywhere within the graticule area Reduce...

Page 135: ...GGERING Minimum P P Signal Amplitude for Stable Triggering from Channel 1 or Channel 2 Source 2465B and 2455B DC Coupled NOISE REJ Coupled AC Coupled 0 35 division from dc to 50 MHz increasing to 1 0 division at 300 MHz and 1 5 divisions at 500 MHz 1 2 divisions from dc to 50 MHz increasing to 3 divisions at 300 MHz and 4 5 divisions at 500 MHz 0 35 division from 60 Hz to 50 MHz increasing to 1 0 ...

Page 136: ...ement Minimum P P Signal Amplitude for Stable Triggering from Composite Multiple Channel Source ALT Vertical Mode Add 1 division to the single channel source specification Checked at 50 mV per division Maximum P P Signal Rejected by NOISE REJ COUPLING Signals Within the v CH 1 or CH3or ertical Bandwidth CH 2 SOURCE CH 4 SOURCE Jitter 2465B 2455B 2445B 0 4 division for VOLTS DIV settings of 10 mV d...

Page 137: ...ns Within 3 of reading 3 of p p signal 0 2 division 0 5 mV 0 5 mV x probe attenuation factor with Vertical Input at 1 Mft DC CH 2 Source Not Inverted and Trigger DC Coupled Add 1 5 mV x probe attenuation to 15 C to 35 C specification Add 1 to 1 Mfi input specification Add 1 of reading to non inverted specification Add 0 6 division to DC Coupled specifications Within 3 of reading 4 of p p signal 0 ...

Page 138: ...445B Timing Accuracy Sweep Accuracy Unmagnified St Accuracy With Cursors Unmagnified 500 ms div to 5 ns div in a 1 2 5 sequence of 25 steps X10 MAG extends maximum sweep rate to 500 ps div 500 ms div to 10 ns div in a 1 2 5 sequence of 24 steps X10 MAG extends maximum sweep rate to 1 ns div 50 ms div to 5 ns div in a 1 2 5 sequence of 22 steps X10 MAG extends maximum sweep rate to 500 ps div 50 ms...

Page 139: ...ns when VAR is out of detent Add 0 2 of time interval to all At and delay specifications Add 0 5 of interval to sweep accuracy specification Greater of either 10 ps or 0 025 of full scale Greater of either 20 ps or 0 25 of full scale 10 times A SEC DIV setting with Cursors 9 95 times A SEC DIV setting with Sweep Delay 0 to 9 95 times the A SEC DIV setting from 500 ms to 10 ns with 2465B or 500 ms ...

Page 140: ...MHz 1 from dc to 1 MHz 3 from 1 MHz to 2 MHz 0 1 division or less compression or expansion of a two division center screen signal when positioned within the graticule area DISPLAY Cursor Position Range Delta Volts AV At least the center 7 6 vertical divisions Delta Time At At least the center 9 6 horizontal divisions Graticule j Size I 80 mm X 100 mm Markings Trace Rotation Range 8 major divisions...

Page 141: ...CH 2 SIGNAL OUT Output Voltage Offset A GATE OUT and B GATE OUT Output Voltage Output Drive With A SEC DIV set to 1 ms 0 4 V 1 into a 1 Mil load 0 2V 1 5 into a 50 fi load or 8 mA 1 5 into a short circuit Two times the A SEC DIV setting for SEC DIV from 100 ns to 100 ms 0 1 during sweep time 20 mV division 10 into 1 Mfl 10 mV division 10 into 50 SI 20 mV into 1 M i l when dc balance has been perfo...

Page 142: ...nstrument Primary Circuit Dielectric Voltage Withstand Test 90 Vto 132 V 180 V to 250 V 48 Hz to 440 Hz 2 A 250 V AGC 3AG Fast blow or 1 6 A 250 V 5 x 20 mm Quick acting 120 watts 180 VA 1500 V rms 60 Hz for 10 seconds without breakdown Primary Grounding J Type test to 0 1 ii maximum Routine test to j check grounding continuity between chassis j ground and protective earth ground 6 14 2465B 2455B ...

Page 143: ...ives a p p signal s 4 divisions the peak signal offset must be s12 divisions Calculated as 1 period Peak Peak Peak to Peak and Average Accuracy 15 Cto 35 C 15 Cto 15 C and 35 C to 55 C 5 of reading 5 mV 0 5 mV probe attenuation f signal aberrations 1 Add 1 5 mV probe attenuation Minimum Width at Peak Amplitude 10 ns Maximum Sine Wave Frequency 15 Cto 35 C 1 MHz 15 C to 15 C and 35 Cto 55 C Add 2 V...

Page 144: ...10 Hz Calculated from Pulse Width and Period Rise Fall Time Time Interval 5 of reading 3 0 ns jitter error offset error 0 5 of reading 5 of start event transition time 5 of stop event transition time 3 0 ns jitter error offset error Add 0 5 ns if measurement is made between CH1 and CH2 Rise and Fall time measurement is made at 20 and 80 points of transition and linearly extrapolated to the 10 and ...

Page 145: ...asurements or at 5 mV div whichever is less sensitive The slew rate must be measured at the same points at which the measurement will be taken The points for the various measurements are Measurement Points Measurement First Measurement point Second Measurement point Frequency Width Rise Fall Time Time interval 50 amplitude 50 amplitude 10 amplitude Specified by Time Interval Configuration 50 ampli...

Page 146: ...o not suffer from offset errors since measurements are made with the same trigger level and slope so no offset is introduced All other timing measurements suffer from offset errors The slew rates used to calculate offset errors must be measured at the first and second measurement points given in the Measurement Points table Offset error is calculated as Offset Error 0 2 div First Point slew rate 0...

Page 147: ...anges 20 V to 500 V Ranges Input Bias Current at 23 C Ambient Temperature Reading Rate 0 03 of reading f 0 01 of fuii scale 0 3 of reading 4 0 04 of full scale Add 0 003 of reading 0 001 of fuii scale 0 C below 18 C or above 28 C Add 0 003 of reading 0 004 of full scaie C below 18 C or above 28 C 100 dB at dc 80 dB at 50 and 60 Hz with 1 kfi imbalance 6 0 d B a t 5 0 a n d 6 0 Hz 1 part in 20 000 ...

Page 148: ... of full scale 5 of reading 0 1 of full scale Input signal between 100 V and 500 V 0 6 of reading 0 2 of full scale 1 of reading 0 2 of full scale 5 of reading 0 2 of full scale Input signal between 5 and 100 of full scale 0 8 of reading 0 1 of full scale 1 3 of reading 0 1 of full scale 6 of reading 0 1 of full scale Input signal greater than 100 V and less than 500 V 40 Hz to 10 kHz 20 Hz to 40 ...

Page 149: ...and 28 C to 55 C 2 kO to 200 kfl 2Mfl 20 Mil Voltage at Full Scale Maximum Open Circuit Voltage Resolution 0 1 of reading 0 01 of full scale 0 5 of reading 0 01 of full scale Add 0 01 of reading 0 001 of full scale C above 28 C or below 18 C Add 0 01 of reading 0 001 of full scale C above 28 C or below 18 C 2 of reading per 10 relative humidity above 70 relative humidity Add 0 05 of reading 0 001 ...

Page 150: ...Q Response Time 2 kfl to 2 Mft Manual Range Approximately 1 mA Approximately 0 1 mA Approximately 10 A Approximately 1 A Approximately 0 1 A Less than 1 second Auto Range Less than 2 seconds 20 MQ Range Less than 5 seconds Reading Rate by Range 2 ktt to 2 MO Approximately 3 per second 20 Mfi Approximately 1 5 per second 6 22 2465B 2455B 2445B Operators ...

Page 151: ... 18 C 2 of reading per 10 relative humidity above 70 relative humidity 2IVU2 Add 0 025 of reading 0 001 of full scale C above 28 C or below 18 C 2 of reading per 10 relative humidity above 70 relative humidity Voltage at Full Scale Maximum Open Circuit Voltage Measuring Current by Range 200 9 2kfl 20 kfl 200 kfi 2MQ Resolution Response Time Manual Range Auto Range Reading Rate Approximately 0 2 V ...

Page 152: ... Input Resistance by Range 100 jiA 1 mA 10 mA 100 mA 1 A 1000 mA Maximum Input Current Resolution 0 1 of reading 0 02 of full scale 0 15 of reading 0 06 of full scale 0 6 of reading 0 1 of full scale 0 7 of reading 0 15 of full scale 2 5 of reading 0 1 of full scale 2 6 of reading 0 15 of full scale Less than 1 second Less than 2 seconds Approximately 1 0 KQ Approximately 100 0 i l Approximately 1...

Page 153: ...mbient Temperature Probe Tip Measurement Range Resolution 2 of reading 1 5 C 2 of reading 2 0 C 6 2 C to 230 C in one range 0 1 Cor0 1 F ADDITIONAL CHARACTERISTICS Warmup time to Meet Electrical Specification Maximum Voltage between Inputs from either Input to Ground DC to 20 kHz Above 20 kHz 45 minutes 500 V rms 700 V peak 107 V Hz NOTE For AMPS modes maximum voltage between inputs is limited by ...

Page 154: ...external 50 Q termination on 1 Mil input Within 1 Within 1 2 Within 2 3 Within 1 4 With fast rise step rise time ss1 ns 1 Mil dc input coupling an external 50 0 termination and VAR VOLTS DIV control in calibrated detent Exclude the first 50 ns following the step transition For signals with rise times 10 ns add 2 p p between 155 ns and 165 ns after step transition 1 5 p p at 60 Hz with input signal...

Page 155: ...o Composite Sync Channel 3 or Channel 4 Composite Video Composite Sync Stable video rejection and sync separation from sync positive or sync negative composite video 525 to 1280 lines 50 Hz or 60 Hz interlaced or noninterlaced systems For noninterlaced scan systems the video signal source must start and end with full lines of video for correct line identification in the field trigger modes The les...

Page 156: ... Trigger Functions Excluding Word Recognizer 1 5 divisions 0 75 division 4 0 divisions 2 0 divisions FREQUENCY Ranges RANGE LSD INTERNAL LSD EXTERNAL REFERENCE REFERENCE8 1 Hz 10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 100 MHz 150 MHz 100 nHz 1 MHz 1 0 M H Z 100 Hz 1 mHz 10mHz 100 mHz 1 Hz 10 Hz 100 Hz 10 nHz 100 nHz 1 MHZ 1 0 M H Z 100 MHZ 1 mHz 10 mHz 100 mHz 1 Hz 10 Hz Automatic Ranging Upr...

Page 157: ...riod of the input signal whichever is slower External Reference3 Twice per 1 5 seconds or twice the period of the input signal whichever is slower PERIOD Ranges RANGE 10 ns 100 ns 1 LiS 10 M S 100 M S 1 ms LSD 1 fs 10 fs 100 fs 1 ps 10 ps 100 ps 10 ms 100 ms 1 s 2s 1 ns 10 ns 100 ns 1 MS Minimum Period 6 7 ns Automatic Ranging Upranges at 100 of full scale downranges at 9 of full scale Full scale ...

Page 158: ...r second or twice the period of the input signal whichever is slower TOTALIZE Maximum Count Display Update Rate 9999999 Twice per second or once per event whichever is slower DELAY BY EVENTS Maximum Event Count Minimum Time from Start Signal to Any Delay Event 4194303 4 ns LOGIC TRIGGER Minimum Function True Time Minimum Function False Time 4 ns 4 ns 6 30 2465B 2455B 2445B Operators ...

Page 159: ...SEC DIV Setting LSDb 10 ppm x measured interval TJE A Trigger Level Error B Trigger Level Error 0 5 ns if the A and B Sweeps are triggered from different channels add 0 5 ns for channel to channel mismatch When the A Sweep is triggered by the Word Recognizer in synchronous mode add 100 ns for probe delay in asynchronous mode add 200 ns for probe delay 70 ns Display Update Rate In Auto Resolution t...

Page 160: ... or CH 4 is one channel of a two channel measurement add 0 5 ns for channel to channel delay mismatch LSDb l t r R E F t r D E L T l d TJE 0 0005 div x 1 SRREF 1 SRDELT 10 ppm x A SEC DIV 10 ppm x measured interval 50 ps If A and B sweeps are triggered from different channels add 0 5 ns for channel to channel mismatch 0 5 div x 1 SRREF 1 SRDELT for trigger offset In Auto Resolution twice per secon...

Page 161: ...t trigger point delta trigger signal in div sec TJE trigger jitter error For delay or delta time disregarding noise in the signal this term contributes 1 LSD if the slew rate is greater than 0 03 vertical div ns or if the slew rate is greater than 30000 vertical div horizontal div Trigger Jitter Reference Trigger Signal Jitter 2 Delta Trigger Signal Jitter 2 4 A Sweep Trigger Signal Jitter 2 1 2 R...

Page 162: ...l rms noise in div When the Word Recognizer supplies a trigger in synchronous mode the trigger jitter of the associated trigger signal is 1 ns in asynchronous mode the associated trigger signal jitter is 20 ns N number of averages during measurement interval see Table 2 1 for Delay or Delta Time measured frequency x measurement interval for Frequency or Period Measurement Interval 0 5 s or two per...

Page 163: ...h High Low Minimum Clock Period Delay from Selected Clock Edge to Word Out from C T T 25 ns 0 ns 20 ns 20 ns 50 ns 55 ns ASYNCHRONOUS MODE Maximum Trigger Frequency Minimum Coincidence Between Data Inputs D0 D15 Q Resulting in a Trigger Maximum Coincidence Between Data Inputs D0 D15 Q Without Producing a Trigger Delay from Input Word Coincidence to Word Out 10 MHz 85 ns 20 ns s140 ns 2465B 2455B 2...

Page 164: ...OUTPUTS Input Voltages Minimum Input Voltage K Maximum Input Voltage Maximum Input Low Voltage Minimum Input High Voltage WORD RECOG OUT High Low Input High Current Input Low Current 0 5 V 5 5 V 0 6 V 2 0 V 2 5 V LSTTL output 0 5 V LSTTL output 20 MA 0 6 mA source 6 36 2465B 2455B 2445B Operators ...

Page 165: ... C to 15 C and 35 C to 55 C CH 3 and CH 4 IEEE 488 Outputs Volts Out for True lOT 48 mA Volts Out for False l0F 5 2 mA Volts Out with Output Disabled Output Leakage Current with Power OFF 0 V V N 2 5 V IEEE 488 Inputs Volts In for True Volts In for False Current In for True ViT 0 5 V Current In for False V T 2 7 V 0 3 div f 3 of distance from center screen in div 0 5 mV V DIV setting Add 0 2 div A...

Page 166: ...B 2455B 2445B with or without Options 05 06 and 09 and 10 2465B 2455B 2445B with Option 01 Width with handle Depth With Front Panel Cover With Handle Extended Cooling Finish Construction Description 10 2 kg 22 4 lb 12 0 kg 26 44 lb 13 1 kg 28 8 lb 9 3 kg 20 5 lb 12 8 kg 28 2 lb 17 6 kg 38 8 lb 19 2 kg 42 2 lb 160 mm 6 29 in 202 mm 7 96 in 202 mm 25 4 mm 7 94 in 1 0 in 243 mm 25 4 mm 9 56 in 1 0 in...

Page 167: ...4 1 00 202 25 40 2465B 2455B 2445B WITH OR WITHOUT OPTIONS 05 06 AND 09 AND 10 9 56 1 00 243 25 40 2465B 2455B 2445B WITH OPTION 01 Dimensions are in inches m m 6860 10 Figure 6 1 Dimensional drawing 2465B 2455B 2445B Operators 6 39 ...

Page 168: ...rack mounting rear support kit installed Rack mounted instruments will be capable of meeting or exceeding the requirements of Tektronix Standard 062 2853 00 class 5 15 Cto 55 C For a rack mounted instrument ambient temperature should be measured at the instrument s air inlet Fan exhaust temperature should not exceed 65 C 62 C to r85 C To 15 000 feet Maximum operating temperature decreases 1 C for ...

Page 169: ...4 3 Set on rear feet and allow to topple over onto each of four adjacent faces Tektronix Standard 062 2858 00 Meets the limits of the National Safe Transit Assn test procedure 1A B 2 10 drops of 36 inches Tektronix Standard 062 2858 00 Meets the limits of the National Safe Transit Assn test procedure 1A B 1 excursion of 1 inch p p at 4 63 Hz 1 1 g for 30 minutes Tektronix Standard 062 2858 00 Meet...

Page 170: ...7 Options and Accessories ...

Page 171: ...ope is ordered with Option 1R it is shipped in a configuration that permits easy installation into a 19 inch wide electronic equipment rack When rackmounting the instrument the rear support kit enables the rackmounted instrument to meet appropriate eiectricai ana environmental specifications Connector mounting holes are provided in the front panel of the rackmounted instrument These enable conveni...

Page 172: ...iated fuses Universal Euro OPTION A1 Power cord 2 5 m 161 0104 06 Fuse 1 6 A 250 V 5 x 20 mm Quick acting 159 0098 00 UK OPTION A2 Power cord 2 5 m 161 0104 07 Fuse 1 6 A 250 V 5 x 20 mm Quick acting 159 0098 00 Australian OPTION A3 Power Cord 2 5 m 161 0104 05 Fuse 1 6 A 250V 5 x 20 mm Quick acting 159 0098 00 North American OPTION A4 Power Cord 2 5 m 161 0104 08 Fuse 2 A 250 V AGC 3AG Fast blow ...

Page 173: ...ch Zip iock Fastener Operators Manual Fuse 2 A 250 V CRT Filter Blue Plastic installed CRT Filter Clear Plastic Front Cover U S Power Cord P6137 134 0016 01 016 0692 00 016 0537 00 070 6860 00 159 0021 00 378 0199 03 378 0208 00 200 3199 01 Option AO The following standard accessories are provided with instruments containing Option 01 DMM Qty Description 1 Probe Set 1 Accessories to Probe Set 1 P6...

Page 174: ...0199 04 1 NTSC Graticule 378 0199 05 1 Polarized Viewing Hood 016 0180 00 The following standard accessories are provided with instruments containing Option 09 WR Qty Description Part Number 1 P6407 Word Recognizer Probe 010 6407 01 2 10 wide comb 10 inch leads without grabbers 012 0747 00 20 Grabber Tips 206 0222 01 7 4 REV JUL 1988 2465B 2455B 2445B Operators ...

Page 175: ...ocular Oscilloscope Camera SCOPE MOBILE Cart Carrying Strap 2455B 2445B Service Manual 2467B 2465B Service Manuai 016 0720 00 P6137 P6133 Opt 25 016 0825 01 016 0180 00 016 0592 00 016 0566 00 See C30BP Option 1 K212 346 0199 00 070 6862 00 070 6863 00 24X5B 2467B Options Service Manual SN B050000 and Above covers Option 05 TV Option 5H HDTV Option 06 Option 09 WR and Option 10 GPIB 24X5B 2467B Op...

Page 176: ...A Appendix ...

Page 177: ...ator and Talk Listen GP EXER 13 Receive Setups Mode GP EXER 14 Send Setups Mode TV EXER 61 Select TV system M or non system M TV EXER 62 Select TV line numbering format TV EXER 63 Select TV sync polarity default DM EXER 72 Select DMM Continuity Tone and Input Resistance To operate these features 1 Enter the Diagnostic Monitor mode by pressing and holding both AV and At then pressing Trigger SLOPE ...

Page 178: ...OWER UP TO SETUP 1 Instrument will power up with the setup stored as setup 1 EXER 07 Enable Disable Setup SAVE and Sequence Definition ENABLE SAVE AND SEQUENCE CHANGE All Save and Sequence functions are enabled DISABLE SAVE AND SEQUENCE CHANGE All Save and Sequence definition functions are disabled ENABLE SAVE 1 8 NO SEQ CHANGE Only setups 1 through 8 can be changed BEGIN STEP END attributes canno...

Page 179: ... EOl MODE TALK LISTEN The instrument accepts only the EOl bus message as the end of a string of received bytes The instrument asserts EOl at the end of a string of transmitted bytes The instrument can be addressed as a talker to send settings and readings TERMINATOR LF MODE TALK LISTEN The instrument accepts either the EOl bus message or an LF line feed character as the end of a string of received...

Page 180: ... instrument will exit EXER 13 automatically GP EXER 14 Send Setups Mode Before executing this exerciser make sure the instrument is connected to another by a GPIB cable and be sure the other instrument is in the READY TO RECEIVE SETUPS state initiated by GPEXER 13 SENDING SETUPS When the transfer is complete the instrument will exit EXER 14 automatically TV EXER 61 Select TV system M or non system...

Page 181: ...ATIVE Trigger Slope is initialized to when Coupling is changed from AC to LINES DM EXER 72 Select DMM Continuity Tone and Input Resistance MOVE SOURCE FOR CONTINUITY TONE Short the test leads together and press the upper SOURCE button to increase the pitch of the continuity tone or press the lower button to lower the pitch Press the upper COUPLING button to exit the continuity tone mode and press ...

Page 182: ...B Appendix ...

Page 183: ...ibed in Appendix A Top Row REPLACE STEP nn NAME xxxxxxx or REPLACE BEGIN nn NAME xxxxxxx or REPLACE END nn NAME xxxxxxx Bottom Rows PUSH STEP TO REPLACE SETUP PUSH SAVE FOR HELP Ji REF moves a cursor to the definition mode field the step attribute field the setup number field or any character in the NAME argument The A control selects a definition mode REPLACE INSERT or DELETE a step attribute STE...

Page 184: ...is cycle of HELP messages in the bottom rows Top Row INSERT STEP nn NAME xxxxxxx or INSERT BEGIN nn NAME xxxxxxx or INSERT END nn NAME xxxxxxx Bottom Rows INSERT WILL DESTROY STEP 30 PUSH SAVE FOR HELP or PUSH STEP TO INSERT SETUP PUSH MEASURE TO SAVE A MEASUREMENT or TURN A REF TO FIELD THEN TURN A TO DESIRED SETTING or PUSH RECALL TO CANCEL THIS MODE In the DELETE definition mode the attribute a...

Page 185: ...edly pressing RECALL presents this cycle of HELP messages In message 1 n is blank 2 3 or 4 depending on how many sequences are defined Bottom Rows PUSH 1 nOR STEP TO START SEQ PUSH RECALL FOR HELP or TURN A TO SELECT ANY STEP PUSH SAVE TO CANCEL THIS MODE Turning A REF or A while in the Sequence Recall mode allows access to any setup STEP recalls any selected setup initiates sequential setups and ...

Page 186: ...c Appendix ...

Page 187: ...ront panel indicators If a Kernel test fails the user can attempt to operate the instrument normally by pressing the A B TRIG button Operation is unpredictable it depends on the nature of the failure Confidence Tests Confidence tests are performed after the processor kernel has been found operational These tests check a portion of the instrument for correct operation If a Confidence test fails the...

Page 188: ... or Wrong Period Momentary Switch Stuck Readout Interface or Memory Failure Calibration Data Parity or Checksum Error Main Board Failure Detected by Auto Level Trigger on LINE Source Memory Battery Voltage Too High or Too Low GPIB Interface Failure Detected Digital Multimeter Failure Detected Counter Timer Trigger Failure Detected C 2 2465B 2455B 2445B Operators ...

Page 189: ...D Appendix ...

Page 190: ...d times are 4 horizontal divisions 3 TJE is negligible for slew rates greater than 0 1 div ns 4 For all B Trigger modes the beginning and end of the measured interval are visually superimposed 5 RUN and TRIG accuracies are with RUN AFT DLY and TRIG AFT DLY B Trigger Modes Selected resolution See Resolution Selections table for resolutions corresponding to trigger rates with AUTO resolution B Trigg...

Page 191: ... 10 S 100 A S MEASURED TIME INTERVAL 1 ms 10 ms CONDITIONS 1 Input signal is 5 vertical divisions with a 2 ns rise time 2 Measured times are 4 horizontal divisions 3 TJE is negligible for slew rates greater than 0 1 div ns 4 RUN and TRIG accuracies are with RUN AFT DLY and TRIG AFT DLY B Trigger Modes Selected resolution See Resolution Selections table for resolutions corresponding to trigger rate...

Page 192: ...RIG D 5 25 A B TRIG 5 24 ABSOLUTE VOLTAGE 3 1 AC COUPLED LOWER 3dB FREQUENCY 6 3 AC COUPLING 2 4 2 7 2 11 5 9 AC SOURCE FREQUENCY 6 14 VOLTAGE 6 14 AC TRIGGER COUPLING 5 23 AC V AC A DMM 5 29 AC VOLTS CHARACTERISTICS DMM 6 20 ACCESSORIES 7 1 7 3 7 4 7 5 ACCURACY 2 4 2 6 2 13 2 17 2 19 2 20 3 1 3 3 3 9 3 11 3 12 3 14 3 15 4 1 4 4 5 11 5 17 6 11 ADAPTORS 7 3 ADD 2 5 3 5 3 6 5 5 ADJUSTMENTS 4 1 AMPLI...

Page 193: ...RE EVENT 2 7 DETECT COINCIDENCE 3 5 DEVIATION 3 4 DUTY FACTOR 3 13 FALL TIME 3 9 FREQUENCY 3 8 FREQUENCY MODULATION INDEX 3 4 HOLD TIME 3 12 MILLIVOLT SIGNALS 3 17 MULTI MODE SIGNALS 3 5 NOISE IMMUNITY 3 2 OBSERVING COINCIDENCE 3 6 OFF GROUND SIGNALS 3 6 PEAK TO PEAK VOLTAGE 3 1 4 3 PEAK VOLTS 3 1 4 3 PERIOD 3 8 PHASE DIFFERENCE 3 15 PROPAGATION DELAY 3 11 RISE TIME 3 9 SETUP TIME 3 12 SLEW RATE 3...

Page 194: ...NG 6 41 BRIGHTNESS 2 10 5 1 BW LIMIT 2 5 6 6 CALIBRATOR 5 10 ACCURACY 6 13 OUTPUT 6 13 REPETITION PERIOD 6 13 CANCEL INTERFERENCE 3 5 3 6 5 22 CAPACITANCE INPUT 2 16 6 6 CARRYING STRAP 7 5 CART SCOPE MOBILE 7 5 CASCADED DEFLECTION FACTOR 6 4 CCIR GRATICULE 7 4 CH 1 OR X INPUT CONNECTOR 5 10 CH 1 TRIGGER SOURCE 5 22 CH 2 DELAY 4 5 5 13 CH 2 INPUT CONNECTOR 5 10 CH 2 SIGNAL OUT 5 27 6 13 CH 2 TRIGGE...

Page 195: ...AUTO RESOLUTION 2 26 AVERAGE 2 25 2 26 AVERAGING 2 22 COUNT 2 27 2 28 2 31 2 34 COUNTER FUNCTIONS FREQUENCY 2 27 2 28 PERIOD 2 27 TOTALIZE 2 27 DELAY BY EVENTS 2 28 2 30 DISPLAY UPDATE RATE DELAY TIME 6 31 DELTA DELAY TIME 6 32 FREQUENCY 6 29 PERIOD 6 30 TOTALIZE 6 30 EXTERNAL REFERENCE 2 28 MAXIMUM COUNT TOTALIZE 6 30 MAXIMUM INPUT FREQUENCY FOR COUNT 6 28 MAXIMUM INPUT FREQUENCY FOR DELAY BY EVE...

Page 196: ...ELAY BY EVENTS CTT 2 28 2 30 DELAY CONTROLS 5 15 DELAY FROM INPUT COINCIDENCE TO WORD OUT ASYNCHRONOUS WR 6 35 DELAY FROM SELECTED EDGE TO WORD OUT SYNCHRONOUS WR 6 35 DELAY JITTER 6 11 DELAY TIME ACCURACY C T T D 2 DELAYED SWEEP 2 17 DELETE SEQUENCE B 1 B 2 DELTA CONTROLS 5 15 DELTA DELAY TIME 2 19 DELTA DELAY TIME ACCURACY C TfT D 1 DELTA TIME ACCURACY C T T D 1 DEPTH 6 38 DETACHABLE POWER CORD ...

Page 197: ... LO OHMS 6 23 TEMPERATURE 6 25 CONT 5 30 dBm 5 30 dBV 5 30 DC V DC A 5 29 FUSE 5 32 HI Q 5 30 HIGH CONNECTOR 5 32 HLD 5 31 HOLD 5 31 LO fi 5 30 LOW CONNECTOR 5 32 MAXIMUM VOLTAGE BETWEEN INPUTS 6 25 MIN MAX DISPLAY 5 31 MIN MAX RESET 5 31 MNL 5 29 OPEN 5 30 OVER 5 29 5 30 RANGE 5 29 REF DISPLAY 5 32 REF SET 5 32 SHIFT 5 31 SHORT 5 30 SMOOTH 5 31 UP AND DOWN 5 29 WARMUP TIME 6 25 DMM DISPLAYS 5 33 ...

Page 198: ... 9 5 23 FLD2 2 9 5 23 FLICKER 2 5 2 20 FOCUS 5 1 FREQUENCY 2 14 2 19 2 27 2 28 3 4 3 8 5 16 6 15 FREQUENCY MODULATION INDEX 3 4 FREQUENCY RESPONSE 6 2 6 5 FUSE 1 1 1 2 1 3 5 27 5 32 7 2 7 3 6 14 GETTING A DISPLAY 2 2 GND COUPLING 2 4 2 11 5 9 GPIB ADDRESS A 1 A 3 CONNECTOR 5 28 INPUTS 6 37 LOCK 5 3 MESSAGE TERMINATOR A 1 A 3 OUTPUTS 6 37 REM 5 3 SRQ 5 3 STATUS 5 3 VERTICAL POSITION ACCURACY 6 37 G...

Page 199: ...0 2 2 2 8 5 25 INPUT CAPACITANCE 2 16 6 6 INPUT CONNECTORS 5 10 INPUT COUPLING 1 Mtt DC COUPLING 2 4 5 9 50 Q DC COUPLING 2 4 5 9 AC COUPLING 2 4 2 11 5 9 DC COUPLING 2 4 5 9 5 10 GND COUPLING 2 4 2 11 5 9 TV CLAMP INPUT COUPLING 2 4 5 9 INPUT HIGH CURRENT WR 6 36 INPUT LOW CURRENT WR 6 36 INPUT R AND C 6 4 INPUT RESISTANCE 6 6 INPUT SENSITIVITY CTT 6 28 INPUT SIGNAL AMPLITUDE FOR STABLE TRIGGER T...

Page 200: ...CHRONOUS WR 6 35 MAXIMUM COUNT TOTALIZE CTT 6 30 MAXIMUM INPUT FREQUENCY FOR COUNT CTT 6 28 MAXIMUM INPUT FREQUENCY FOR DELAY BY EVENTS CTT 6 28 MAXIMUM INPUT LOW VOLTAGE WR 6 36 MAXIMUM INPUT VOLTAGE WR 6 36 MAXIMUM INPUT VOLTAGE 6 4 6 6 6 13 MAXIMUM PERIOD PARAMETRIC MEASUREMENTS 6 15 MAXIMUM POWER CONSUMPTION 6 14 MAXIMUM SINE WAVE FREQUENCY PARAMETRIC MEASUREMENTS 6 15 MAXIMUM TRIGGER FREQUENC...

Page 201: ...NOUS WR 6 35 MINIMUM COINCIDENCE BETWEEN INPUTS ASYNCHRONOUS WR 6 35 MINIMUM FUNCTION FALSE TIME LOGIC TRIGGER CTT 6 30 MINIMUM FUNCTION TRUE TIME LOGIC TRIGGER CTT 6 30 MINIMUM INPUT HIGH VOLTAGE WR 6 36 MINIMUM INPUT VOLTAGE WR 6 36 MINIMUM MEASURABLE DELAY TIME CTT 6 31 MINIMUM PERIOD PARAMETRIC MEASUREMENTS 6 15 MINIMUM PULSE WIDTH PARAMETRIC MEASUREMENTS 6 16 MINIMUM REPETITION RATE PARAMETRI...

Page 202: ...PEAK VOLTS 2 15 3 1 4 3 PEAK TO PEAK DEVIATION 3 4 PEAK TO PEAK VOLTAGE 3 1 4 3 PERFORMANCE CHARACTERISTICS 6 1 PERFORMANCE CONDITIONS 6 1 PERIOD 2 27 3 8 PERIOD ACCURACY PARAMETRIC MEASUREMENTS 6 15 PHASE 2 14 PHASE DIFFERENCE 3 15 PHASE DIFFERENCE BETWEEN X AND Y 6 12 POSITION CONTROLS A REF OR DLY POS CONTROL 5 17 A CONTROL 5 18 HORIZONTAL 5 14 TRACE SEP 5 14 VERTICAL 5 5 5 10 POWER 5 2 POWER C...

Page 203: ...R CORD 5 27 EXT Z AXIS IN CONNECTOR 5 27 FUSE HOLDER 5 27 GPIB CONNECTOR 5 28 LINE VOLTAGE SELECTOR 5 27 MOD SLOTS 5 27 PROBE POWER CONNECTOR 5 28 STEP AUTO EXT SWITCH CONNECTOR 5 27 WORD RECOG OUT 5 28 WORD RECOGNIZER PROBE CONNECTOR 5 28 RECALL 2 36 DIRECT RECALL 2 37 EXTENDED RECALL 2 38 SEQUENCE RECALL 2 38 B 3 HELP 2 36 5 4 REF DISPLAY 5 32 REF SET 5 32 REM 5 3 REPACKAGING 1 5 REPLACE SEQUENC...

Page 204: ...E B 1 B 2 SAVE 2 37 B 1 B 2 STEP B 1 B 2 B 3 STEP AUTO EXT SWITCH 2 2 2 37 STEP AUTO EXT SWITCH CONNECTOR 5 27 SETTING THE B TRIGGER 2 18 SETUP TIME 3 12 SETUP AUTO 5 4 SGL SEQ 2 7 SGL SEQ TRIGGER MODE 2 7 5 21 SHIFT 5 31 SHOCK 6 41 SHORT 5 30 SIGNAL DELAY 6 6 SLAVED DELTA TIME 5 6 5 25 SLEW RATE 3 13 SLOPE TRIGGER 2 8 2 23 2 31 2 32 5 5 5 24 5 25 6 10 SMOOTH 5 31 SOURCE TRIGGER 2 7 5 22 CH 1 5 22...

Page 205: ...ACCURACY PARAMETRIC MEASUREMENTS 6 16 TIME INTERVAL RESOLUTION CTT 2 25 TIME RATIO 2 14 3 13 TIMING ACCURACY 6 10 6 11 TIMING CHECK 4 7 TOTALIZE COUNTING CTT 2 27 TRACE 2 5 TRACE ROTATION 4 2 5 1 6 12 TRACE SEP 5 14 TRACK INDEP 2 14 5 19 TRACKING DELTA MODE 2 14 TRANSFER SETUPS A 1 A 4 TRIG D FLASHING 1 4 TRIG AFT DLY TRIGGER MODE 2 18 2 22 2 23 5 21 TRIG DELTA DELAY 2 23 TRIG A DLY TRIGGER MODE 5...

Page 206: ...RIGGER READOUT 2 10 TRIGGER SLOPE 2 8 TRIGGER SOURCE 2 6 2 7 5 22 COMPOSITE A TRIGGER 2 7 LINE 5 22 VERT 2 7 5 22 TV VIDEO LINE NUMBERING A 1 A 5 LINE RATE TRIGGER 2 9 LINES 2 9 5 18 5 23 MEASURING IRE UNITS 3 5 SIGNALS 2 4 SYNC POLARITY A 1 A 5 SYSTEM M A 1 A 4 TRIGGER OVERLOAD 2 10 TRIGGERING 2 9 TV CLAMP INPUT COUPLING 2 4 5 9 TV COUPLING 2 9 2 10 VERTICAL FREQUENCY RESPONSE 6 26 VERTICAL SQUAR...

Page 207: ...PUT VOLTAGE 6 36 MAXIMUM TRIGGER FREQUENCY ASYNCHRONOUS 6 35 MINIMUM CLOCK PERIOD SYNCHRONOUS 6 35 MINIMUM CLOCK PULSE WIDTH SYNCHRONOUS 6 35 MINIMUM COINCIDENCE BETWEEN INPUTS ASYNCHRONOUS 6 35 MINIMUM INPUT HIGH VOLTAGE 6 36 MINIMUM INPUT VOLTAGE 6 36 RADIX 2 34 WORD OUT 2 35 WORD RECOG OUT 5 28 WORD RECOG OUT HIGH 6 36 WORD RECOG OUT LOW 6 36 WORD RECOGNIZER PROBE CONNECTOR 5 28 WR START 2 30 X...

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