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Application Examples

THS 710 & THS 720 User Manual

2–27

Setup to Test the Transistor Drive Circuit

SCOPE

CH 1

—

—

—

CH 2

AUTO
RANGE

You do not have to do anything special to take this difficult
measurement. Because of the isolated channels, you can reference
the channel 1 probe to chassis ground and the channel 2 probe
directly to the –300 VDC bus. Channel 1 displays the gate-drive
signal directly from the 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 P5102 probe reference lead to 50 Hz, 60 Hz,
or 400 Hz AC power lines (up to the maximum voltage rating).

H

You can connect the P6113B or P5102 probe reference lead to
dynamic signals with slew rates up to 3000 V/

m

s (up to the

maximum voltage rating).

Because you can connect to references other than ground, you can
take many measurements that would otherwise require an oscillo-
scope with a differential input.

Содержание TekScope THS 710

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 12: ...Getting Started...

Страница 13: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 24: ...Operating Basics...

Страница 25: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 66: ...Reference...

Страница 67: ......

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 132: ...Appendices...

Страница 133: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 182: ...Glossary and Index...

Страница 183: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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