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Tektronix TekScope THS 710, User Manual

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Tektronix TekScope THS 710 User Manual Download Page 116

TRIGGER Controls

THS 710 & THS 720 User Manual

3–49

Holdoff. 

You can use holdoff to help stabilize the display of

nonperiodic waveforms. After you press the Mode & Holdoff menu
button, use the 

+

/– rocker to set the holdoff time from 500 ns to 10 s.

Holdoff begins when the TekScope instrument recognizes a trigger
event and disables the trigger system until acquisition is complete.
The trigger system remains disabled during the holdoff time that
follows each acquisition.

Holdoff

Holdoff

Indicates

trigger points

Trigger level

Holdoff

Acquisition

interval

Acquisition

interval

Triggers are not recognized during holdoff time.

NOTE

. For best results, choose Normal trigger mode when using long

holdoff settings (10 ms or greater).

Summary of Contents for TekScope THS 710

Page 1: ...furbished and purchasing new Financing options such as Financial Rental and Leasing are also available on application TMG will assist if you are unsure whether this model will suit your requirements C...

Page 2: ...THS 710 THS 720 TekScope User Manual 070 9247 02 This document applies to firmware version 1 00 and above...

Page 3: ...ercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are re...

Page 4: ...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 ser...

Page 5: ...tration you may purchase up to five years of Calibration Service Service Assurance Advantages H Priced well below the cost of a single repair or calibration H Avoid delays for service by eliminating t...

Page 6: ...robes 2 8 Taking Floating Measurements 2 10 Application Examples 2 13 Displaying an Unknown Signal 2 14 Measuring Resistance 2 16 Measuring the Frequency of a Clock Signal 2 18 Measuring Propagation D...

Page 7: ...TER Mode 3 31 SAVE RECALL 3 37 SCOPE Mode 3 40 TRIGGER Controls 3 46 UTILITY 3 53 VERTICAL Controls 3 59 Appendices Appendix A Specifications A 1 Appendix B Factory Setup B 1 Appendix C Accessories C...

Page 8: ...injury or loss of life do not connect or disconnect probes or test leads while they are connected to a voltage source Do Not Operate Without Covers To avoid electric shock or fire hazard do not opera...

Page 9: ...ediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols o...

Page 10: ...ut a product feature Reference on page 3 1 Look up the front panel button for the feature Application examples Application Examples on page 2 13 Operation instructions Understanding the Front Panel on...

Page 11: ...eader of each table contains icons that represent the controls and menu items used to set up the instrument To make a specific setup read the table from left to right and then from top to bottom as sh...

Page 12: ...Getting Started...

Page 13: ......

Page 14: ...S 710 and THS 720 TekScope instruments combine a two channel oscilloscope and a digital multimeter DMM in a rugged handheld package General Features H Battery power or external power H High resolution...

Page 15: ...for each channel both channels always acquire simultaneously H Waveform averaging and enveloping with hardware peak detection H Digital Real Time digitizing up to five times oversampling sin x x inte...

Page 16: ...tinuity and diode check functions H Autoranging or manual ranging H Data logger plot of meter measurements over a period of time H Max min delta max min relative delta and average statistics in the re...

Page 17: ...710 THS 720 User Manual Input and Output Connectors All input and output connectors are located on the top and side panels as shown below NOTE See the back of the instrument for maximum voltage ratin...

Page 18: ...You can replace the battery pack without losing any saved informa tion The current setup saved setups saved waveforms and saved data are all stored in nonvolatile memory that does not depend on batte...

Page 19: ...f not allowed to discharge completely Whenever possible allow the battery to discharge completely before you recharge it to minimize this capacity loss Charging the Battery Pack Before using the batte...

Page 20: ...tures are automatically disabled when external power is used H Maintains floating measurement capability of the oscilloscope channels and DMM Attach the external power source as shown below The DC INP...

Page 21: ...out and snaps back into place when not in use For benchtop use lock the tilt stand in place with the hinged flap To hang the TekScope instrument over a nail rotate the tilt stand 180 You can also ext...

Page 22: ...Press the ON OFF button to turn on the TekScope instrument 2 After a few seconds you should see a window with the message Power On self check PASSED Press the CLEAR MENU button 3 Press the SCOPE butto...

Page 23: ...repeat steps 4 and 5 for channel 2 of the oscillo scope 6 Press the METER button 7 Press the VDC bezel button 8 Press the AUTORANGE button 9 Connect meter leads to the TekScope instrument and touch th...

Page 24: ...Operating Basics...

Page 25: ......

Page 26: ...find specific information about each of the controls in the Reference chapter of this manual Understanding the Front Panel The front panel has buttons for the functions you use most often and menus t...

Page 27: ...el button to display the menu you want to use 2 Press a bezel button to choose a menu item If a pop up menu appears continue to press the bezel button to choose an item in the pop up menu You may need...

Page 28: ...menu choices require you to set a numerical parameter to complete the setup Use the rocker to adjust the parameter value or press the TOGGLE button to reset the parameter to its default value 4 If the...

Page 29: ...ns below to take direct actions These buttons do not require the use of menus 4 2 5 6 8 7 9 10 11 12 13 16 15 14 3 1 1 HARD COPY Initiates a hard copy using the RS 232 port 2 HOLD Stops restarts oscil...

Page 30: ...tion on and off 9 SEC DIV Adjusts horizontal scale factor for oscilloscope or data logger 10 VERTICAL POSITION Adjusts oscilloscope waveform vertical position 11 WAVEFORM OFF Removes selected oscillos...

Page 31: ...ope mode Then press AUTORANGE to set the vertical horizontal and trigger automatically for a usable display The scope mode display shown below is divided into four sections Refer to SCOPE Mode on page...

Page 32: ...bezel buttons to choose a meter function and then press AUTORANGE to set the range automatically The meter mode display shown below is divided into three sections Refer to METER Mode on page 3 31 for...

Page 33: ...fidelity you must compensate each voltage probe for the channel input it is connected to 1 Connect the oscilloscope probe and then press AUTORANGE Probe tip to PROBE COMP Probe reference lead to Ch 1...

Page 34: ...Functional Overview THS 710 THS 720 User Manual 2 9 3 If necessary adjust the probe for correct compensation P6113B P5102 4 Repeat these steps for the other probe and channel...

Page 35: ...ng floating measurements the TekScope instrument has an architectural difference from most other oscilloscopes The channel 1 channel 2 and DMM inputs are isolated from the main chassis and from each o...

Page 36: ...l input signals must have the same voltage reference when you take any multi channel measurements Electrically insulated case Oscilloscope channels and DMM must float together DC and or AC voltage Mos...

Page 37: ...under test than the probe tip When taking a floating measurement between two nodes of a circuit attach the probe reference lead to the lowest impedance or least dynamic of the two nodes Beware of High...

Page 38: ...strument and give you ideas about using it to solve your own test problems The first two examples demonstrate basic scope and meter operation The remaining examples provide an overview of applications...

Page 39: ...THS 720 User Manual Displaying an Unknown Signal You need to see a signal in a circuit but you have no previous knowledge of the signal amplitude frequency or shape Connect the TekScope instrument to...

Page 40: ...trigger automatically for a usable display If the signal changes the setup tracks those changes Going Further If the autorange setup does not display the waveform exactly the way you like you can easi...

Page 41: ...Examples 2 16 THS 710 THS 720 User Manual Measuring Resistance You need to probe a circuit to measure point to point resistance Connect the TekScope instrument to measure a variety of resistance valu...

Page 42: ...age 3 29 for more information You can use the TekScope instrument as a continuity checker With the setup below it beeps when the measured resistance is 50 or less typical METER continuity You can also...

Page 43: ...0 User Manual Measuring the Frequency of a Clock Signal You suspect that the frequency of a TTL clock signal is out of tolerance Connect the TekScope instrument to the signal to display it and measure...

Page 44: ...easmnt for Ch1 Frequency OK Select Measrmnt Going Further You can add peak to peak and duty cycle measurements to the display with the following additional steps SCOPE MEAS Select Page Select Measrmnt...

Page 45: ...ng Propagation Delay You suspect that the memory timing in a microprocessor circuit is marginal Set up the TekScope instrument to measure the propaga tion delay between the chip select signal and the...

Page 46: ...display for the propagation delay measurement Set one cursor to the active edge of the chip select signal and the second cursor to the data output transition Read the propagation delay in the cursor...

Page 47: ...ring on a Missing Data Pulse A positive going TTL data pulse 20 ms wide should occur at least once every millisecond The circuit is not working correctly and you suspect an occasional missing pulse Se...

Page 48: ...oing Further You can extend this application in several ways H If the pulses are supposed to be periodic 1 ms period and you suspect an occasional extra pulse change the width setting to 980 s and the...

Page 49: ...d time counter circuit operates from a precision 1 kHz square wave clock signal supplied by another source Occasionally the counter counts too fast You suspect glitches in the clock signal are causing...

Page 50: ...nt displays the 1 kHz square wave clock signal plus intermittent glitches that are as narrow as 8 ns Going Further You can trigger on the glitch itself with the following setup SCOPE TRIGGER N Type Pu...

Page 51: ...istor in a switching power supply The gate drive timing circuit is referenced to chassis ground But the gate drive signal is transformer coupled to the FET which is connected to a 300 VDC bus Set up t...

Page 52: ...driver and channel 2 displays the signal as it is received by the power FET Going Further The isolated channels allow you to reference a channel to AC as well as DC voltages H You can connect the P510...

Page 53: ...t transistor in a switching power supply is hotter than it should be You are concerned about its peak power dissipation Set up the TekScope instrument to measure the instantaneous power dissipation of...

Page 54: ...TH waveform and read the instantaneous power in the cursor readout for example 5 63 W Going Further Measure the average power dissipation in the transistor mean value of the power waveform with the fo...

Page 55: ...the motor outputs a low voltage square wave with 100 pulses per revolution Set up the TekScope instrument to trigger at 1200 RPM so you can measure the current at that speed Ch 1 Ch 2 Tachometer outp...

Page 56: ...et 5 Mode Normal CURSOR Function Paired Set cursor to horizontal center of graticule Set appropriate VOLTS DIV for each channel Set SEC DIV so that the sweep duration is approximately equal to the mot...

Page 57: ...Time You need to evaluate a VCO voltage controlled oscillator circuit You want to produce a graph of the output frequency as a function of the input control voltage Set up the TekScope instrument to...

Page 58: ...same time In scope mode the meter readout is in the upper right corner of the display The frequency measurement is at the right side of the graticule Both measurements update continuously as you adjus...

Page 59: ...ome electronic equipment that operates unattended at a remote site You need to determine if the problem might be caused by momentary power quality problems in the electrical service to the equipment S...

Page 60: ...orizontal scale is one day per division Meter measurements which occur at a rate of approximately ten per second are captured over an eight day period of time Going Further Use the cursors to determin...

Page 61: ...Field The image quality is poor on a video monitor in a closed circuit security system that operates at a 15 kHz scan rate Set up the TekScope instrument to display and trigger on field 1 of the vide...

Page 62: ...00 ms TRIGGER N Type Video MENU Trigger On Field 1 Scan Rate Set to 15 20 kHz Adjust the SEC DIV rocker to 2 ms div to display field 1 across about eight divisions The Dot Accumulate display style sim...

Page 63: ...THS 710 THS 720 User Manual Triggering on a Video Line Now you want to see one line of the staircase test pattern Set up the TekScope instrument to display and trigger on a video line Ch 1 Incoming v...

Page 64: ...visions Going Further If you need to display a specific video line use the following method 1 Trigger on the video field that contains the line you want to display see the Triggering on a Video Field...

Page 65: ...Application Examples 2 40 THS 710 THS 720 User Manual...

Page 66: ...Reference...

Page 67: ......

Page 68: ...THS 720 TekScope instruments The topics in this chapter are arranged alphabetically by button name Reference Topic Page Acquire 3 3 Autorange 3 8 Cursor 3 11 Display 3 13 Hard copy 3 17 Hold 3 19 Hori...

Page 69: ...Introduction to Reference 3 2 THS 710 THS 720 User Manual...

Page 70: ...meter mode Acquire Menu in Scope Mode SCOPE ACQUIRE Mode Sample Peak Detect Envelope Average Stop After HOLD Button Only Single Acquisition Sequence Force Trigger Key Points Acquisition Modes You can...

Page 71: ...ve intervals Sample Sample Use Sample acquisition mode for the fastest acquisition at any SEC DIV setting Sample mode is the default mode Peak Detect Use Peak Detect acquisition mode to limit the poss...

Page 72: ...ns Envelope and Average Use Envelope acquisition mode to capture variations of a signal over a longer period of time Use Average acquisition mode to reduce random or uncorrelated noise in the signal y...

Page 73: ...on the acquisition mode you choose Sample Peak Detect Envelope Average Single Acquisition Sequence The content of a single acquisition sequence depends on the acquisition mode Acquisition Mode Single...

Page 74: ...the graph is calculated H For each point Sample displays the first meter measurement from the sequence H Peak Detect displays a column representing the maximum and minimum meter measurements during t...

Page 75: ...wing controls are preset when you first select the autorange function Scope Mode Meter Mode Acquire mode Sample none Stop acquire after HOLD button only Vertical coupling DC if GND was selected Bandwi...

Page 76: ...eading exceeds 3600 counts or falls below 330 counts Waveform amplitude too large or too small compared to full screen if only one channel is displayed Waveform amplitude too large or too small compar...

Page 77: ...autorange Scope Mode Meter Mode Change to Stop After Single Acquisi tion Sequence Change range VOLTS DIV Change VOLTS DIV Change SEC DIV Change trigger type Change trigger level Change trigger couplin...

Page 78: ...on the 250 point data logger plot SCOPE CURSOR Function Off H Bars V Bars Paired Time Units Seconds 1 seconds Hz METER CURSOR Function Off H Bars V Bars Paired Key Points Cursor Movement Use the rock...

Page 79: ...or voltage and frequency Horizontal Bar cursors Vertical Bar cursors Paired cursors D 4 16 V 1 78 V D 6 12 ms 1 06 ms D 6 32 V D 5 86 ms 3 16 V Readout For V Bar cursors the readout after the symbol i...

Page 80: ...aveforms are presented and to change the appearance of the display Display Menu in Scope Mode SCOPE DISPLAY Style Vectors Dots Vector Accumu late Dot Accumulate Set accu mulate time Display Contrast S...

Page 81: ...e are display functions only When you change most control settings the accumulated data is cleared Accumulated waveforms cannot be saved Display iTi at Trig Pt The trigger point on the waveform is mar...

Page 82: ...switching power MOSFET The current waveform displayed in the vertical axis is measured using a Tektronix A6302 current probe and AM503B current probe amplifier The following functions do not work in...

Page 83: ...Meter Mode METER DISPLAY Style Thin Thick Display Contrast Set contrast Graticule Full Grid Cross Hair Frame Key Points Data Logger Display Style For better visibility choose Thick for a three pixel...

Page 84: ...ard copy is printing Connecting a Printer Use the RS 232 cable to connect the printer to the RS 232 port on the side of the TekScope instrument The RS 232 accessory kit includes an adapter for 9 pin R...

Page 85: ...r and file formats are supported H BMP Microsoft Windows file format H Deskjet high resolution printer format H DPU 411 II HC 411 thermal printer format H DPU 412 thermal printer format H EPS Image en...

Page 86: ...etting Functions of HOLD Button Stop After HOLD Button Only First press stops waveform acquisi tion Second press restarts waveform acquisition Stop After Single Acquisition Sequence Any press starts a...

Page 87: ...e horizontal controls to change the time base horizontal position and horizontal magnification of waveforms Horizontal Operations in Scope Mode SCOPE HORIZON A N Time Base Main TAL MENU Delayed Runs A...

Page 88: ...1 Ch 2 and Math Or you can set the horizontal position of all waveforms track each other Refer to Ref A or Ref B Vertical Menu on page 3 62 for information about this capability MAG Button To switch...

Page 89: ...rigger event for the main time base Use the rocker to set the delay time Delay time Main trigger point Main trigger source Delayed waveform record Trigger Position Choose the amount of pretrigger H Se...

Page 90: ...eter Mode METER HORIZONTAL MENU Key Points SEC DIV Rocker To adjust the scroll speed of the data logger plot use the SEC DIV rocker If you change the scroll speed data in the logger display is erased...

Page 91: ...from successive meter readings Measurements in Scope Mode SCOPE MEAS Select Meastmnt six pages of measurements Select Page Remove Measrmnt Measrmnt Choose mea surement All Measrmnts High Low Setup His...

Page 92: ...nds the most common value either above or below the midpoint depending on whether it is defining the high or low reference level Since this statistical approach ignores short term aberrations overshoo...

Page 93: ...ot Mean Square voltage over the first cycle in the waveform Fall Time that the falling edge of the first pulse in the waveform takes to fall from 90 to 10 of its amplitude Freq Reciprocal of the perio...

Page 94: ...rm Min The minimum amplitude The most negative peak voltage measured over the entire waveform Duty Measurement of the first cycle in the waveform Negative Duty Cycle Negative Width Period 100 Over Mea...

Page 95: ...cycle in the waveform Positive Duty Cycle Positive Width Period 100 Over Measured over the entire waveform Positive Overshoot Max High Amplitude 100 Width Measurement of the first positive pulse in t...

Page 96: ...c All Statistics Beep New Max Min On Off OK Select Statistic OK Remove Statistic Key Points Data Included in Statistics The statistics are calculated over all meter readings since the last reset The s...

Page 97: ...on This value is updated only when the RelD function is turned on or off Max Min The difference between the maximum and minimum meter readings since the last reset Reset Conditions The calculated stat...

Page 98: ...ode The meter reading and statistics update about three times per second METER METER VAC VDC continuity diode The meter mode display shown below is divided into three sections The next two pages ident...

Page 99: ...the input Acquisition readout Overrange indicator The table below shows examples of the acquisition readout Acquisition Readout Explanation Acquisition running with autorange function on AUTO AN or o...

Page 100: ...markers Reference level Data logger plot Upper vertical scale marker Bar graph Horizontal scale markers Lower vertical scale marker Measurement Readout Area The area above and to the right of the gra...

Page 101: ...left The most recent data is always at the right end of the graticule The oldest data disappears off the left side of the graticule and is erased Data logger scrolls to the left Reset The TekScope ins...

Page 102: ...cker Use the VOLTS DIV rocker to set the meter range and control the vertical scale of the data logger plot If you change the vertical scale while the data logger is running you will cause a vertical...

Page 103: ...ine value to the current meter measurement It tracks the meter measurement rate and updates about ten times per second In addition the bar graph contains two hollow segments that represent the current...

Page 104: ...e Recall Menu in Scope Mode SCOPE SAVE RECALL Save Current Setup To Setup Choose setup location Recall Saved Setup Recall Factory Setup Recall Setup Choose setup location Save selected wfm To Waveform...

Page 105: ...Appendix B describes the Factory Setup in detail Saving a Waveform Push the CH 1 CH 2 or MATH button to choose the waveform to save Waveform position and scale factors are saved with each waveform Re...

Page 106: ...ose DMM data location Recall DMM Data Recall Data Clear Data From Screen OK Save Setup OK Recall Setup OK Recall Factory OK Save Data OK Recall Data OK Clear Data Key Points Saving and Recalling Setup...

Page 107: ...nter scope mode If already in scope mode pressing this button has no effect The scope mode display shown below is divided into four sections The next five pages identify the content of each section in...

Page 108: ...is running When you press HOLD to stop acquisition the readout shows the number of waveforms acquired since acquisition was last stopped Acquisition Readout Explanation Acquisition running with autor...

Page 109: ...ional Items Explanation DMM icon and current DMM reading Parameter and its current value only when the rocker is assigned to a parameter Graticule Area The graticule area contains waveforms and positi...

Page 110: ...hannel 1 and channel 2 The bottom line displays readout for Ref A Ref B or Math whichever waveform was selected last Vertical readouts The table below shows examples of the vertical readout symbols Ve...

Page 111: ...ation Trigger information Reference waveform time base Main or delayed time base The table below shows examples of the trigger information Trigger Information Explanation Trigger source Edge trigger s...

Page 112: ...ier appears with a measurement result the signal may be insufficient to take an accurate measurement Cursor readouts Measurement readouts Measurement qualifier For More Information Many of the other s...

Page 113: ...ge triggers on the rising or falling edge of the input signal see page 3 48 H Pulse triggers on specific events that you can qualify by time see page 3 50 H Video triggers on field 1 field 2 or a spec...

Page 114: ...width Source Trigger when Less Than Width Greater Than Width 2 Set tolerance Source 15 kHz to 20 kHz Field 1 Interlaced Field 2 Interlaced Any Field Non interlaced Scan rate Choose Ch 1 or Ch 2 Choose...

Page 115: ...Reject LF Reject Noise Reject Slope rising edge falling edge Mode Holdoff Auto Normal Set holdoff Key Points Normal and Auto Mode Use Normal trigger mode when you want the oscilloscope to trigger only...

Page 116: ...the TekScope instrument recognizes a trigger event and disables the trigger system until acquisition is complete The trigger system remains disabled during the holdoff time that follows each acquisit...

Page 117: ...2 Polarity Width Positive Negative Set width Trigger When Less Than Width Greater Than Width Equal To Width Not Equal To Width Set Mode Holdoff Auto Normal Key Points Trigger Conditions You can trigge...

Page 118: ...occurs only on pulse widths in the range from 800 ns to 1 2 ms H Not Equal To Width triggers on a pulse that does not match the set pulse width and tolerance Use the rocker to set the tolerance Trigg...

Page 119: ...s up to 65 kHz SCOPE TRIGGER N Type Video MENU Source Ch1 Ch2 Trigger On Field 1 Field 2 Any Field Lines Scan Rate Set scan rate Mode Holdoff Auto Normal Set holdoff Key Points Sync Pulses When you ch...

Page 120: ...ing up and printing a hard copy H Use RS 232 to set up for remote communication H Use Misc to set the standby or backlight timeout H Use Cal to compensate the signal path H Use Diag to run internal di...

Page 121: ...l use Executing Tek Secure accomplishes the following tasks H Replaces all waveforms oscilloscope and data logger in all reference memories with zero sample values H Replaces the current front panel s...

Page 122: ...S232 Parameters to Defaults Key Points RS 232 Troubleshooting If you are having RS 232 communication difficulties try the following remedies H Verify that the RS 232 cable is connected to the correct...

Page 123: ...er to set the power off time out delay from one minute to 15 minutes or to time out off Power off time out operates only when you use battery power Backlight Time Out Press this button to adjust the b...

Page 124: ...maximum accuracy recompensate the signal path if the ambient temperature changes by 5 C or more To compensate the signal path disconnect any probes or cables from the channel 1 and channel 2 input BN...

Page 125: ...the diagnostic routines to execute H Loop Once runs all diagnostic routines one time and then stops H Loop Always runs the diagnostic routines continuously Press HOLD and then CLEAR MENU to resume no...

Page 126: ...ers Vertical Operations in Scope Mode All vertical operations affect the selected waveform Press the CH 1 CH 2 MATH REF A or REF B button to select that waveform To remove a waveform from the display...

Page 127: ...urrent Probe Set conversion factor Voltage Probe Set probe attenuation Key Points GND Coupling Use GND coupling to display a zero volt waveform When you use GND coupling the input BNC connector is dis...

Page 128: ...h1 Ch2 Ch1 Ch2 Ch2 Ch1 Ch1 Ch2 Key Points Math Waveform Units The waveform math function recognizes the following combinations of units Channel 1 Unit Channel 2 Unit Math Operation Resulting Math Unit...

Page 129: ...ng and Displaying a Waveform in One Step You can copy a live waveform from one of the save sources shown above Ch 1 Ch 2 or Math into Ref A or Ref B for display and also into the nonvolatile storage l...

Page 130: ...50 Hz Probe Type Current Probe Set conversion factor Voltage Probe Key Points Noise Reject You can improve the repeatability of AC measurements in the presence of 50 Hz or 60 Hz noise by choosing noi...

Page 131: ...VERTICAL Controls 3 64 THS 710 THS 720 User Manual...

Page 132: ...Appendices...

Page 133: ......

Page 134: ...st be met H The TekScope instrument must have been operating continuously for ten minutes within the operating temperature range specified H You must perform the Compensate Signal Path operation acces...

Page 135: ...MHz and above Also refer to Overvoltage Category description on page A 15 Maximum Voltage Between Common and Earth Ground at BNC 30 VRMS 42 4 Vpk Channel to Channel Common Mode Rejec tion typical 100...

Page 136: ...BNC 90 MHz above 35 C Peak Detect or Enve lo e B i t t ic l THS 710 THS 720 lope Bandwidth typical 50 MHz 1 ms div or slower 75 MHz 1 ms div or slower Analog Bandwidth Limit typical Selectable betwee...

Page 137: ...setup and ambient conditions 2 reading 0 05 div volts div DC Measurement Accuracy Sample Acq Mode typical 2 reading position volts div 0 15 div volts div 0 6 mV Horizontal Sample Rate Range THS 710 TH...

Page 138: ...times the DC coupled limit from DC to 30 kHz attenuates signals above 30 kHz LF REJ 1 5 times the DC coupled limits for frequencies above 1 kHz attenuates signals below 1 kHz Trigger Level Range 4 div...

Page 139: ...r Type Interlaced Field 1 or field 2 Non interlaced Any field or any line Line Rates 15 kHz to 65 kHz in five ranges Holdoff Range 495 ns to 10 s Measurements Cursors Voltage difference between cursor...

Page 140: ...et ee Probe i Overvoltage Category Maximum Voltage Between Probe Tip and e ere ce e CAT II Environment 300 VRMS Reference Lead CAT III Environment 150 VRMS For steady state sinusoidal waveforms derate...

Page 141: ...ironment 1000 VDC Reference Lead AC Coupled CAT III Environment 600 VDC Maximum Voltage Bet ee e ere ce Overvoltage Category Maximum Voltage Between Reference e rt ro CAT II Environment 600 VRMS Lead...

Page 142: ...aximum Voltage Bet ee D Overvoltage Category Maximum Voltage Between DMM and O I ts CAT II Environment 600 VRMS COM Inputs CAT III Environment 300 VRMS Maximum Voltage Bet ee D or O Overvoltage Catego...

Page 143: ...ions are true RMS The AC measurement is based on the AC and DC components of the signal as shown below AC Measurement RMS AC DC DC Ranges and Resolution Range Resolution 400 0 mV 0 1 mV 4 000 V 1 mV 4...

Page 144: ...e Maximum Error All ranges except 40 M 0 5 of reading 2 counts 40 M 2 of reading 5 counts for 60 relative humidity Bias Voltage for Full c le esist ce e Range Full Scale Bias Voltage Scale Resistance...

Page 145: ...o 2 V measures forward voltage drop of semiconductor junction Voltage Accuracy typical 25 Open Circuit Voltage typical 4 8 V Test Current typical 1 mA Data Logger Horizontal Scale Range 24 hours div t...

Page 146: ...ry Replaceable Ni Cd battery pack Battery Life typical Approximately two hours of continuous use from a full charge Low Battery Indication typical Low battery message first appears approximately ten m...

Page 147: ...l memory is retained indefinitely with battery removed and without external power applied Fuse This instrument has no user replaceable fuses Environmental Temperature Operating 10 C to 50 C Nonoperati...

Page 148: ...ations Listed UL3111 1 and CAN CSA C22 2 No 1010 1 92 complies with EN61010 1 Overvoltage Category Category Examples CAT III A typical CAT III environment is the power distribution system within a bui...

Page 149: ...EN 50081 1 Emissions EN 60555 2 Power Harmonics EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge IEC 801 3 RF Radiated2 IEC 801 4 Fast Transients IEC 801 5 Surge3 EN 61010 1 Safety 1 Tektronix su...

Page 150: ...all others off Cursor H Bar 1 position 3 2 divisions from the center Cursor H Bar 2 position 3 2 divisions from the center Cursor V Bar 1 position 2 divisions from the center Cursor V Bar 2 position...

Page 151: ...on 50 Horizontal Mag Off Horizontal time base Main only Main time base time div 500 ms div Math waveform function CH1 CH2 Measure High Low Setup Histogram Saved setups No change Saved waveforms No cha...

Page 152: ...ors and two screw on insulated alligator clips for grabbing terminals or larger conductors Battery Pack The TekScope instrument includes one high capacity 4 8 V 2 8 A hr rechargeable battery pack Refe...

Page 153: ...The P5102 10X passive probes have 100 MHz bandwidth and a CAT II voltage rating of 1000 VRMS These probes are suitable for floating measurements up to 600 VRMS Deluxe Meter Lead Set The deluxe pair of...

Page 154: ...ry pack provides a high capacity 4 8 V 2 8 A hr spare battery for extended portable operation Cigarette Lighter Adapter The cigarette lighter adapter 174 1734 00 allows you to operate the TekScope ins...

Page 155: ...t to handle current and power measurements These clamp on probes do not require disconnections to insert them into the circuit Both current probes have BNC connectors for the oscilloscope channels and...

Page 156: ...es are suitable for floating measurements up to 42 Vpk P6408 Word Recognizer Trigger Probes The P6408 is a 16 bit word recognizer probe for TTL logic operating at clock rates up to 20 MHz This probe i...

Page 157: ...Appendix C Accessories C 6 THS 710 THS 720 User Manual...

Page 158: ...500 Hz Oscilloscope Calibration Module Option 250 Fl e 00A lti ro Leveled Sine Wave Gen erator 50 kHz and 100 MHz 3 amplitude accuracy Fluke 5500A Multi prod uct Calibrator with Oscil loscope Calibra...

Page 159: ...surement Accuracy 500 mV div 3 405 V 3 595 V Acc r c 2 V div 13 62 V 14 38 V 10 V div 68 1 V 71 9 V Channel 2 DC e s reme t 5 mV div 34 05 mV 35 95 mV Measurement Accuracy 500 mV div 3 405 V 3 595 V A...

Page 160: ...mV 400 mV range 360 mV input 357 7 mV 362 3 mV 4 V range 3 577 V 3 623 V 40 V range 35 77 V 36 23 V 400 V range 357 7 V 362 3 V 880 V range 783 V 801 V AC Voltage Acc r c 400 mV range 352 3 mV 367 7...

Page 161: ...ating temperature range specified H You must perform the Compensate Signal Path operation described on page 3 57 If the operating temperature changes by more than 5 C you must perform the Compensate S...

Page 162: ...hat the TekScope instrument functions and passes its internal self tests No test equipment or hookups are required Start the self test with the following setup SCOPE UTILITY System Diag Loop Once Exec...

Page 163: ...ps SCOPE SAVE RECALL Recall Saved Setup Recall Factory Setup OK Recall Factory CH 1 VERTICAL MENU Probe Type Voltage Probe Set to 1X ACQUIRE Mode Average Set to 16 MEAS Select Measrmnt Mean OK Select...

Page 164: ...d then compare Vdiff to the accuracy limits in the table VOLTS DIV Setting DC Voltage Source Output Levels Accuracy Limits for Vdiff 5 mV div 17 5 mV 17 5 mV 34 05 mV to 35 95 mV 500 mV div 1 75 V 1 7...

Page 165: ...Recall Factory Setup OK Recall Factory ACQUIRE Mode Average Set to 16 TRIGGER Coupling Noise Reject MEAS High Low Setup Min Max Select Measrmnt Pk Pk OK Select Measrmnt You may need to press Select P...

Page 166: ...to 50 kHz 6 Set the leveled sine wave generator output level so the peak to peak measurement is between 599 mV and 601 mV 7 Set the leveled sine wave generator frequency to 60 MHz if you are checking...

Page 167: ...ional steps to check the channel 2 bandwidth SCOPE CH 1 WAVEFORM OFF CH 2 TRIGGER Source Ch2 MEAS High Low Setup Min Max Select Measrmnt Pk Pk OK Select Measrmnt You may need to press Select Page to d...

Page 168: ...d sine wave generator frequency to 50 kHz 6 Set the leveled sine wave generator output level so the peak to peak measurement is between 599 mV and 601 mV 7 Set the leveled sine wave generator frequenc...

Page 169: ...the TekScope instrument using the following steps SCOPE SAVE RECALL Recall Saved Setup Recall Factory Setup OK Recall Factory VERTICAL MENU Probe Type Voltage Probe Set to 1X 2 Connect the TekScope i...

Page 170: ...using the following steps SCOPE HORIZON TAL MENU Time Base Delayed Runs After Main CLEAR MENU 9 Set the delayed time base to 500 ms div 10 Change the TekScope instrument setup using the following step...

Page 171: ...l Saved Setup Recall Factory Setup OK Recall Factory ACQUIRE Mode Average Set to 16 TRIGGER Mode Normal MEAS High Low Setup Min Max Select Measrmnt Ampl OK Select Measrmnt You may need to press Select...

Page 172: ...approximately 500 mV The measured amplitude can fluctuate around 500 mV 7 Press SET LEVEL TO 50 Adjust TRIGGER LEVEL as necessary and then check that triggering is stable 8 Change the TekScope instru...

Page 173: ...se additional steps to check the channel 2 edge trigger sensitivity SCOPE CH 1 WAVEFORM OFF CH 2 TRIGGER Source Ch2 MEAS High Low Setup Min Max Select Measrmnt Ampl OK Select Measrmnt You may need to...

Page 174: ...wave generator output level to approximately 50 mVp p so that the measured amplitude is approximately 500 mV The measured amplitude can fluctuate around 500 mV 7 Press SET LEVEL TO 50 Adjust TRIGGER L...

Page 175: ...er Manual Check DC Voltage Accuracy 1 Set the DC voltage source output level to 0 V 2 Set up the TekScope instrument using the following steps METER VDC 3 Connect the TekScope instrument to the DC vol...

Page 176: ...w and then compare the meter reading to the accuracy limits Range DC Voltage Source Output Level Accuracy Limits 400 mV 60 mV 59 2 mV to 60 8 mV 400 mV 360 mV 357 7 mV to 362 3 mV 4 V 3 6 V 3 577 V to...

Page 177: ...er Manual Check AC Voltage Accuracy 1 Set the AC voltage source output level to 0 V 2 Set up the TekScope instrument using the following steps METER VAC 3 Connect the TekScope instrument to the AC vol...

Page 178: ...ow and then compare the meter reading to the accuracy limits Range AC Voltage Source Output Level Accuracy Limits 400 mV 360 mV 352 3 mV to 367 7 mV 4 V 600 mV 0 583 V to 0 617 V 4 V 3 6 V 3 523 V to...

Page 179: ...Appendix D Performance Verification D 22 THS 710 THS 720 User Manual...

Page 180: ...ys liquids or solvents Cleaning Inspect the TekScope instrument as often as operating conditions require To clean the instrument exterior perform the following steps 1 Remove loose dust on the outside...

Page 181: ...Appendix E General Care and Cleaning E 2 THS 710 THS 720 User Manual...

Page 182: ...Glossary and Index...

Page 183: ......

Page 184: ...m input channels digitizing the samples processing the results into data points and assembling the data points into a waveform record The waveform record is stored in memory Active Cursor The cursor t...

Page 185: ...ly sets the range to the optimum setting to measure an input signal Also an oscillo scope feature that automatically produces a stable waveform of usable size In both cases autorange continues to chan...

Page 186: ...ssed in volts or time of the position of the active cursor and the distance between the two cursors DC Coupling A mode that passes both AC and DC signal components to the circuit Available for both th...

Page 187: ...fied direction the trigger slope Envelope Acquisition Mode A mode in which the oscilloscope acquires and displays a waveform that shows the variation extremes of several acquisitions Floating Measurem...

Page 188: ...low independent floating measurements Each input can have a different reference voltage Menu A set of labels shown in the display to identify the functions of the bezel buttons The specific menu conte...

Page 189: ...ts that you can qualify by time The oscilloscope triggers when an incoming pulse width meets time criteria you have defined Record Length The specified number of samples in a waveform Reference Lead T...

Page 190: ...e time interval between successive samples in a time base For real time digitizers the sample interval is the reciprocal of the sample rate Sampling The process of capturing an analog input such as a...

Page 191: ...tributes of a waveform record The time base determines when and how long to acquire record points Vertical Bar Cursors The two vertical bars you position to measure the time parameter of a waveform re...

Page 192: ...iggering on motor RPM 2 30 triggering on video field 2 36 triggering on video line 2 38 using scope and DMM 2 32 automatic measurements 3 24 AUTORANGE button 2 4 turning off 3 10 turning on 3 8 averag...

Page 193: ...pe 3 3 external power connector location 1 4 using 1 7 F factory setup detailed description B 1 recalling 3 38 fall time measurement 3 26 features automatic measurements 2 18 cursors 2 20 data logger...

Page 194: ...4 diode junction 2 17 floating 2 10 2 26 frequency 2 18 motor current 2 30 power 2 28 propagation delay 2 20 resistance 2 16 measurement definitions meter mode 3 30 scope mode 3 26 measurement qualifi...

Page 195: ...28 positive width measurement 3 28 power off timeout 3 56 pretrigger 3 22 printing 3 17 probe compensator location 1 4 using 2 8 probe descriptions A605 A610 C 4 A621 A622 C 4 P5102 C 2 P6113B C 1 P6...

Page 196: ...compensation 3 57 single acquisition sequence 3 6 3 19 specifications A 1 statistics readout location 3 33 resetting 3 19 selecting 3 29 status 3 41 STBY See ON STBY T T symbol 3 14 Tek Secure 3 54 ti...

Page 197: ...ectors 3 13 VERTICAL MENU button 3 59 video trigger application examples 2 36 2 38 how to use 3 52 VOLTS DIV rocker channels 3 60 math waveform 3 61 meter mode 3 35 W WAVEFORM OFF button 3 59 waveform...

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