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82

Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide

4

Math Waveforms

 

See Also

•

"To perform transforms or filters on an arithmetic operation"

on page 71

•

"FFT Measurement Hints"

on page 82

•

"FFT Units"

on page 84

•

"FFT DC Value"

on page 84

•

"FFT Aliasing"

on page 84

•

"FFT Spectral Leakage"

on page 85

•

"Units for Math Waveforms"

on page 71

FFT Measurement Hints

The number of points acquired for the FFT record can be up to 65,536, and when 

frequency span is at maximum, all points are displayed. Once the FFT spectrum is 

displayed, the frequency span and center frequency controls are used much like 

the controls of a spectrum analyzer to examine the frequency of interest in greater 

detail. Place the desired part of the waveform at the center of the screen and 

decrease frequency span to increase the display resolution. As frequency span is 

decreased, the number of points shown is reduced, and the display is magnified.

While the FFT spectrum is displayed, use the 

[Math]

 and 

[Cursors]

 keys to switch 

between measurement functions and frequency domain controls in FFT Menu.

Содержание DSO-X 2014A

Страница 1: ...Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide...

Страница 2: ...omputer software as defined by Federal Acquisition Regulation FAR 2 101 Pursuant to FAR 12 212 and 27 405 3 and Department of Defense FAR Supplement DFARS 227 7202 the U S government acquires commerci...

Страница 3: ...mage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met WARNING A WARNING notice denotes a hazard It calls atte...

Страница 4: ...els 2 and 4 channel digital storage oscilloscope DSO models 2 8 channel and 4 8 channel mixed signal oscilloscope MSO models Table 1 2000 X Series Model Numbers Bandwidths Bandwidth 70 MHz 100 MHz 200...

Страница 5: ...y takes precedence over the Digital key Serial triggers can be used when digital channels are on Math waveforms add subtract multiply FFT d dt integrate square root Ax B square absolute value common l...

Страница 6: ...ls starting on page 131 When setting up triggers or changing how data is acquired see Chapter 10 Triggers starting on page 137 Chapter 11 Trigger Mode Coupling starting on page 169 Chapter 12 Acquisit...

Страница 7: ...ial Decode starting on page 343 Chapter 25 UART RS232 Triggering and Serial Decode starting on page 361 NOTE Abbreviated instructions for pressing a series of keys and softkeys Instructions for pressi...

Страница 8: ...8 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide...

Страница 9: ...6 Power On the Oscilloscope 27 Use only the power cord that came with the oscilloscope 28 Connect Probes to the Oscilloscope 28 Maximum input voltage at analog inputs 29 Do not float the oscilloscope...

Страница 10: ...54 To change the horizontal scale knob s coarse fine adjustment setting 55 To position the time reference left center right 56 Searching for Events 56 To set up searches 57 Navigating the Time Base 5...

Страница 11: ...filters on an arithmetic operation 71 To adjust the math waveform scale and offset 71 Units for Math Waveforms 71 Math Operators 72 Add or Subtract 72 Multiply or Divide 73 Math Transforms 74 Differen...

Страница 12: ...m a USB storage device 100 6 Digital Channels To connect the digital probes to the device under test 101 Probe cable for digital channels 102 Acquiring waveforms using the digital channels 105 To disp...

Страница 13: ...ay Settings To adjust waveform intensity 125 To set or clear persistence 127 To clear the display 128 To select the grid type 128 To adjust the grid intensity 129 To freeze the display 129 9 Labels To...

Страница 14: ...55 To trigger on a specific line of video 159 To trigger on all sync pulses 160 To trigger on a specific field of the video signal 161 To trigger on all fields of the video signal 162 To trigger on od...

Страница 15: ...illoscope Bandwidth Required 182 Memory Depth and Sample Rate 182 Selecting the Acquisition Mode 183 Normal Acquisition Mode 184 Peak Detect Acquisition Mode 184 Averaging Acquisition Mode 186 High Re...

Страница 16: ...209 Base 210 Overshoot 210 Preshoot 212 Average 212 DC RMS 213 AC RMS 213 Time Measurements 215 Period 216 Frequency 216 Width 217 Width 217 Bit Rate 217 Duty Cycle 218 Rise Time 218 Fall Time 218 Del...

Страница 17: ...lect generated waveform types and settings 245 To output the waveform generator sync pulse 248 To specify the expected output load 248 To use waveform generator logic presets 249 To add noise to the w...

Страница 18: ...reference waveform files from a USB storage device 266 Recalling Default Setups 266 Performing a Secure Erase 267 19 Print Screens To print the oscilloscope s display 269 To set up network printer co...

Страница 19: ...f test 290 To display oscilloscope information 290 To display the user calibration status 290 To clean the oscilloscope 290 To check warranty and extended services status 290 To contact Keysight 291 T...

Страница 20: ...alog inputs 310 Maximum input voltage at digital channels 311 Environmental Conditions 311 Probes and Accessories 311 Loading Licenses and Displaying License Information 312 Licensed Options Available...

Страница 21: ...334 Searching for CAN Data in the Lister 335 Setup for LIN Signals 335 LIN Triggering 337 LIN Serial Decode 338 Interpreting LIN Decode 340 Interpreting LIN Lister Data 341 Searching for LIN Data in t...

Страница 22: ...SPI Data in the Lister 359 25 UART RS232 Triggering and Serial Decode Setup for UART RS232 Signals 361 UART RS232 Triggering 363 UART RS232 Serial Decode 365 Interpreting UART RS232 Decode 366 UART R...

Страница 23: ...the Rear Panel Connectors 41 Learn the Oscilloscope Display 43 Access the Built In Quick Help 45 This chapter describes the steps you take when using the oscilloscope for the first time Inspect the P...

Страница 24: ...Series Oscilloscopes User s Guide 1 Getting Started InfiniiVision 2000 X Series oscilloscope Power cord country of origin determines specific type Oscilloscope probes Two probes for 2 channel models...

Страница 25: ...n 2000 X Series Oscilloscopes User s Guide 25 See Also Probes and Accessories on page 311 InfiniiVision 2000 X Series oscilloscope Power cord Based on country of origin N2841A probes Qty 2 or 4 N2755...

Страница 26: ...gently remove the module from the slot 2 To install a module slide the module into the slot on the back until it is fully seated The module s spring tabs will latch into the slot keeping the module in...

Страница 27: ...be free from obstructions Unrestricted air flow is required for proper cooling Always ensure that the air intake and exhaust areas are free from obstructions The fan draws air in from the left side a...

Страница 28: ...of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily r...

Страница 29: ...inal next to the Demo 2 terminal CAUTION Maximum input voltage at analog inputs 135 Vrms CAUTION When measuring voltages over 30 V use a 10 1 probe CAUTION Do not float the oscilloscope chassis Defeat...

Страница 30: ...o Scale Use Auto Scale to automatically configure the oscilloscope to best display the input signals 1 Press Auto Scale You should see a waveform on the oscilloscope s display similar to this Table 2...

Страница 31: ...t the square wave is not shaped correctly as shown above perform the procedure Compensate Passive Probes on page 32 If you do not see the waveform make sure the probe is connected securely to the fron...

Страница 32: ...oscilloscope channel to which it is connected A poorly compensated probe can introduce significant measurement errors 1 Input the Probe Comp signal see Input a Waveform on page 29 2 Press Default Setu...

Страница 33: ...earn the Front Panel Controls and Connectors On the front panel key refers to any key button you can press Softkey specifically refers to the six keys that are directly below the display The legend fo...

Страница 34: ...on press again to switch power off See Power On the Oscilloscope on page 27 2 Softkeys The functions of these keys change based upon the menus shown on the display directly above the keys The Back Up...

Страница 35: ...to access the Utility Menu which lets you configure the oscilloscope s I O settings use the file explorer set preferences access the service menu and choose other options See Chapter 20 Utility Settin...

Страница 36: ...play into Normal and Zoom sections without opening the Horizontal Menu Search key Lets you search for events in the acquired data Navigate keys Press this key to navigate through captured data Time se...

Страница 37: ...r more information on digital channels see Chapter 6 Digital Channels starting on page 101 Serial key This key is used to enable serial decode The multiplexed scale and position knobs are not used wit...

Страница 38: ...ilt In Quick Help on page 45 16 Vertical controls The Vertical controls consist of Analog channel on off keys Use these keys to switch a channel on or off or to access a channel s menu in the softkeys...

Страница 39: ...disk drive etc to save or recall oscilloscope setup files and reference waveforms or to save data and screen images See Chapter 18 Save Recall Setups Screens Data starting on page 257 To print connect...

Страница 40: ...tting Started 1 Gently pull on the front panel knobs to remove them 2 Insert the overlay s side tabs into the slots on the front panel 3 Reinstall the front panel knobs Front panel overlays may be ord...

Страница 41: ...lay 4 Channel Overlay French 75019 94324 75019 94316 German 75019 94326 75019 94318 Italian 75019 94323 75019 94331 Japanese 75019 94311 75019 94312 Korean 75019 94329 75019 94321 Polish 75019 94335 7...

Страница 42: ...to provide a larger display or to provide a display at a viewing position away from the oscilloscope The oscilloscope s built in display remains on even when an external display is connected The vide...

Страница 43: ...trigger input BNC connector See External Trigger Input on page 174 for an explanation of this feature 8 USB Device port This port is for connecting the oscilloscope to a host PC You can issue remote c...

Страница 44: ...about viewing signal detail see To adjust waveform intensity on page 125 For more information about display modes see Chapter 8 Display Settings starting on page 125 Information area The information...

Страница 45: ...p then press the Language softkey 2 Repeatedly press and release the Language softkey or rotate the Entry knob until the desired language is selected Softkey labels These labels describe softkey funct...

Страница 46: ...Vision 2000 X Series Oscilloscopes User s Guide 1 Getting Started The following languages are available English French German Italian Japanese Korean Portuguese Russian Simplified Chinese Spanish and...

Страница 47: ...adjustment setting 55 To position the time reference left center right 56 Searching for Events 56 Navigating the Time Base 57 The horizontal controls include The horizontal scale and position knobs T...

Страница 48: ...e is displayed above the Fine and Time Ref softkeys To adjust the horizontal time div scale 1 Turn the large horizontal scale sweep speed knob marked to change the horizontal time div setting Notice h...

Страница 49: ...cates how far it is from the time reference point hollow inverted triangle These reference points are indicated along the top of the display grid Figure 2 shows the trigger point with the delay time s...

Страница 50: ...ne waveform detail after the waveform has been acquired is a benefit generally associated with digital oscilloscopes Often this is simply the ability to freeze the display for the purpose of measuring...

Страница 51: ...across the screen from right to left It only operates on time base settings of 50 ms div and slower If the current time base setting is faster than the 50 ms div limit it will be set to 50 ms div when...

Страница 52: ...channel 1 and 2 position knobs Use the channel 1 and 2 volts div knobs and the channel 1 and 2 Fine softkeys to expand the signal for convenient viewing The phase difference angle can be calculated u...

Страница 53: ...cursors sin second Y first Y 1 031 1 688 37 65 degrees of phase shift NOTE Z Axis Input in XY Display Mode Blanking When you select the XY display mode the time base is turned off Channel 1 is the X a...

Страница 54: ...div window The Zoom window is a magnified portion of the normal time div window You can use Zoom to locate and horizontally expand part of the normal window for a more detailed higher resolution anal...

Страница 55: ...delay time knob is turned Negative delay values indicate you re looking at a portion of the waveform before the trigger event and positive values indicate you re looking at the waveform after the trig...

Страница 56: ...point indicator overlays the time reference indicator The time reference position sets the initial position of the trigger event within acquisition memory and on the display with delay set to 0 Turnin...

Страница 57: ...Thresholds softkey in the Search Menu to access the Measurement Threshold Menu See Measurement Thresholds on page 223 Navigating the Time Base You can use the Navigate key and controls to navigate th...

Страница 58: ...display is automatically zoomed to fit the marked row as you navigate Pressing the Scroll Lister softkey lets you use the Entry knob to scroll through data rows in the Lister display To navigate segm...

Страница 59: ...ht InfiniiVision 2000 X Series Oscilloscopes User s Guide 59 Press the navigation keys to play backward stop or play forward in time You can press the or keys multiple times to speed up the playback T...

Страница 60: ...60 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 2 Horizontal Controls...

Страница 61: ...pecify bandwidth limiting 64 To change the vertical scale knob s coarse fine adjustment setting 64 To invert a waveform 65 Setting Analog Channel Probe Options 65 The vertical controls include The ver...

Страница 62: ...urn the channel on or off and to display the channel s menu When a channel is on its key is illuminated Channel Volts div Channel 1 ground level Trigger source Trigger level or threshold Channel 2 gro...

Страница 63: ...rtical expansion about the ground level of the channel however you can change this to expand about the center of the display See To choose expand about center or ground on page 281 To adjust the verti...

Страница 64: ...press the BW Limit softkey to enable or disable bandwidth limiting When bandwidth limit is on the maximum bandwidth for the channel is approximately 20 MHz For waveforms with frequencies below this t...

Страница 65: ...voltage values of the displayed waveform are inverted Invert affects how a channel is displayed However when using basic triggers the oscilloscope attempts to maintain the same trigger point by chang...

Страница 66: ...on factor must be set properly for accurate measurement results To set the probe attenuation factor 1 Press the channel key 2 Press the Probe softkey until you have selected how you want to specify th...

Страница 67: ...t Use Skew to remove cable delay errors between any two channels 1 Probe the same point with both probes 2 Press one of the probes associated channel key 3 In the Channel Menu press Probe 4 In the Cha...

Страница 68: ...68 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 3 Vertical Controls...

Страница 69: ...erformed on analog channels The resulting math waveform is displayed in light purple You can use a math function on a channel even if you choose not to display the channel on screen You can Perform an...

Страница 70: ...sform function differentiate integrate FFT or square root the result is displayed 5 If you select an arithmetic operator use the Source 2 softkey to select the second source for the arithmetic operati...

Страница 71: ...math waveform scale and offset 1 Make sure the multiplexed scale and position knobs to the right of the Math key are selected for the math waveform If the arrow to the left of the Math key is not ill...

Страница 72: ...make a differential measurement or to compare two waveforms If your waveforms DC offsets are larger than the dynamic range of the oscilloscope s input channels you will need to use a differential pro...

Страница 73: ...tiply or divide math function the Source 1 and Source 2 values are multiplied or divided point by point and the result is displayed The divide by zero case places holes that is zero values in the outp...

Страница 74: ...m function like differentiate integrate FFT or square root on an analog input channel or on the result of an arithmetic operation Differentiate on page 75 Integrate on page 76 FFT Measurement on page...

Страница 75: ...aveform For example the slew rate of an operational amplifier may be measured using the differentiate function Because differentiation is very sensitive to noise it is helpful to set acquisition mode...

Страница 76: ...n page 71 Integrate dt integrate calculates the integral of the selected source You can use integrate to calculate the energy of a pulse in volt seconds or measure the area under a waveform dt plots t...

Страница 77: ...ant i data point index The integrate operator provides an Offset softkey that lets you enter a DC offset correction factor for the input signal Small DC offset in the integrate function input or even...

Страница 78: ...Guide 4 Math Waveforms See Also To perform transforms or filters on an arithmetic operation on page 71 Units for Math Waveforms on page 71 Figure 8 Integrate and Signal Offset 0 V level Integrate with...

Страница 79: ...cts the source for the FFT See To perform transforms or filters on an arithmetic operation on page 71 for information about using g t as the source Span sets the overall width of the FFT spectrum that...

Страница 80: ...Rectangular good frequency resolution and amplitude accuracy but use only where there will be no leakage effects Use on self windowing waveforms such as pseudo random noise impulses sine bursts and de...

Страница 81: ...llowing FFT spectrum was obtained by connecting a 4 V 75 kHz square wave to channel 1 Set the horizontal scale to 50 s div vertical sensitivity to 1 V div Units div to 20 dBV Offset to 60 0 dBV Center...

Страница 82: ...when frequency span is at maximum all points are displayed Once the FFT spectrum is displayed the frequency span and center frequency controls are used much like the controls of a spectrum analyzer to...

Страница 83: ...correctly The probe attenuation is set from the Channel Menu if the operand is a channel Set the source sensitivity so that the input signal is near full screen but not clipped Use the Flat Top window...

Страница 84: ...s requires that the operator have some knowledge as to what the frequency domain should contain and also consider the sampling rate frequency span and oscilloscope vertical bandwidth when making FFT m...

Страница 85: ...the Nyquist frequency the best way to prevent aliasing is to make sure that the frequency span is greater than the frequencies of significant energy present in the input signal FFT Spectral Leakage T...

Страница 86: ...uare Root Square root calculates the square root of the selected source Where the transform is undefined for a particular input holes zero values appear in the function output See Also To perform tran...

Страница 87: ...different than the input See Also Magnify on page 92 Square The square function available with the PLUS license calculates the square of the selected source point by point and displays the result Pres...

Страница 88: ...input source Where the transform is undefined for a particular input holes zero values appear in the function output See Also Natural Logarithm on page 88 Natural Logarithm The Natural Logarithm ln f...

Страница 89: ...xponential The Exponential e x function available with the PLUS license performs a transform of the input source See Also Base 10 Exponential on page 89 Base 10 Exponential The Base 10 Exponential 10...

Страница 90: ...log input channel or on the result of an arithmetic operation High Pass and Low Pass Filter on page 90 High Pass and Low Pass Filter The high pass or low pass filter functions available with the PLUS...

Страница 91: ...t give you different ways of viewing captured data and measurement values Magnify on page 92 Measurement Trend on page 92 Chart Logic Bus Timing on page 94 Chart Logic Bus State on page 95 NOTE The ra...

Страница 92: ...ertical settings to provide more vertical detail See Also Ax B on page 86 Measurement Trend The measurement trend math function available with the PLUS license shows measurement values for a waveform...

Страница 93: ...asurement whose trend you want to look at You can display trend values for these measurements Average RMS AC Ratio Period Frequency Width Width Duty Cycle Rise Time Fall Time Use the Thresholds softke...

Страница 94: ...bus data values as an analog waveform like a D A conversion When the bus value is transitioning the function output is the bus s last stable state Use the Units Code softkey to specify the analog val...

Страница 95: ...ck softkey to select the clock signal Use the Slope softkey to select the edge of the clock signal to be used Use the More Chart softkey to open a submenu for specifying the analog value equivalent of...

Страница 96: ...ser s Guide 4 Math Waveforms Use the 0 Offset softkey to specify the analog value equivalent of a bus data value of zero Use the Units softkey to specify the type of values the bus data represents vol...

Страница 97: ...o reference waveforms this happens when you press the Ref key and the LED to the left of it is lit you can use the knobs to scale and position reference waveforms There is also a skew adjustment for r...

Страница 98: ...the Clear R1 R2 softkey to clear the reference waveform location Reference waveforms are also cleared by a Factory Default or Secure Erase see Chapter 18 Save Recall Setups Screens Data starting on pa...

Страница 99: ...ion knobs to the right of the Ref key are selected for the reference waveform If the arrow to the left of the Ref key is not illuminated press the key 2 Turn the upper multiplexed knob to adjust the r...

Страница 100: ...e oscilloscope display 4 Press the Transparent softkey to enable or disable transparent information backgrounds This setting is also used for other oscilloscope information on the display like mask te...

Страница 101: ...channel 109 To change the logic threshold for digital channels 108 To display digital channels as a bus 110 Digital channel signal fidelity Probe impedance and grounding 113 This chapter describes ho...

Страница 102: ...the digital probe cable to the DIGITAL Dn D0 connector on the front panel of the mixed signal oscilloscope The digital probe cable is keyed so you can connect it only one way You do not need to power...

Страница 103: ...Series Oscilloscopes User s Guide 103 4 Connect a grabber to one of the probe leads Other probe leads are omitted from the figure for clarity 5 Connect the grabber to a node in the circuit you want t...

Страница 104: ...Digital Channels 6 For high speed signals connect a ground lead to the probe lead connect a grabber to the ground lead and attach the grabber to ground in the device under test 7 Repeat these steps u...

Страница 105: ...nd displays the acquisition For digital channels each time the oscilloscope takes a sample it compares the input voltage to the logic threshold If the voltage is above the threshold the oscilloscope s...

Страница 106: ...any other key This is useful if you have unintentionally pressed the AutoScale key or do not like the settings AutoScale has selected This will return the oscilloscope to its previous settings See als...

Страница 107: ...vely toggling logic states Any channel that is turned off will be grayed out in the activity indicator To change the displayed size of the digital channels 1 Press the Digital key 2 Press the size sof...

Страница 108: ...igital channels The Digital Channel Menu is displayed above the softkeys If you want to switch the digital channels off and the Digital Channel Menu is not already displayed you must push the Digital...

Страница 109: ...d There is one User softkey for each group of channels To reposition a digital channel 1 Make sure the multiplexed scale and position knobs to the right of the key are selected for digital channels If...

Страница 110: ...y to switch it on Use the Channel softkey and the Entry knob to select individual channels to be included in the bus You can rotate the Entry knob and push it or push the softkey to select channels Yo...

Страница 111: ...es To read the digital bus value at any point using the cursors 1 Turn on Cursors by pressing the Cursors key on the front panel 2 Press the cursor Mode softkey and change the mode to Hex or Binary 3...

Страница 112: ...anel to display the Pattern Trigger Menu and the bus values will be displayed on the right above the softkeys The dollar sign will be displayed in the bus value when the bus value cannot be displayed...

Страница 113: ...rounding Probe loading problems generally affect the device under test while probe grounding problems affect the accuracy of the data to the measurement instrument The design of the probes minimizes t...

Страница 114: ...compensating capacitor and the cable plus instrument capacitance in parallel with the stray tip capacitance to ground While this results in an input impedance specification that is an accurate model f...

Страница 115: ...to provide as much series tip resistance as possible Stray tip capacitance to ground is minimized by the proper mechanical design of the probe tip assembly This provides the maximum input impedance a...

Страница 116: ...rement will occur Sharing one probe ground with many probes forces all the current that flows into each probe to return through the same common ground inductance of the probe whose ground return is us...

Страница 117: ...digital channel group D15 D8 and D7 D0 should be attached to the ground of the device under test if any channel within the group is being used for data capture When capturing data in a noisy environme...

Страница 118: ...118 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 6 Digital Channels...

Страница 119: ...to prevent the oscilloscope from Auto triggering and stabilize the display You can select the trigger mode by pressing the Mode Coupling key then the Mode softkey Also the threshold voltage level must...

Страница 120: ...in a tabular format including time tags and specific decoded values After pressing the Single key you can press the Scroll Lister softkey and then rotate the Entry knob to select an event and press t...

Страница 121: ...ll contain all on screen serial decode information 5 Press the Scroll Lister softkey and use the Entry knob to scroll through the data Time tags in the Time column indicate the event time relative to...

Страница 122: ...try knob to scroll though data rows in the Lister display Press the Time Ref softkey and use the Entry knob to select whether the Time column in the Lister display shows times relative to the trigger...

Страница 123: ...ets you find protocol specific headers data errors etc See Searching for CAN Data in the Lister on page 335 Searching for I2C Data in the Lister on page 350 Searching for LIN Data in the Lister on pag...

Страница 124: ...124 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 7 Serial Decode...

Страница 125: ...r various signal characteristics such as fast time div settings and low trigger rates Increasing the intensity lets you see the maximum amount of noise and infrequently occurring events Reducing the i...

Страница 126: ...126 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 8 Display Settings Figure 25 Amplitude Modulation Shown at 100 Intensity Figure 26 Amplitude Modulation Shown at 40 Intensity...

Страница 127: ...re Waveforms softkey to perform a single shot infinite persistence A single acquisition s data is displayed with reduced intensity and it remains on the display until you clear persistence or clear th...

Страница 128: ...an also configure the Quick Action key to clear the display See Configuring the Quick Action Key on page 291 To select the grid type When the Video trigger type is selected see Video Trigger on page 1...

Страница 129: ...orresponds to the vertical sensitivity shown in the status line at the top of the display Each major horizontal division in the grid corresponds to the time div shown in the status line at the top of...

Страница 130: ...130 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 8 Display Settings...

Страница 131: ...the factory default 135 You can define labels and assign them to each analog input channel or you can turn labels off to increase the waveform display area Labels can also be applied to digital channe...

Страница 132: ...ide 9 Labels 2 To turn the labels off press the Label key again To assign a predefined label to a channel 1 Press the Label key 2 Press the Channel softkey then turn the Entry knob or successively pre...

Страница 133: ...the Apply New Label softkey to assign the label to your selected channel 5 Repeat the above procedure for each predefined label you want to assign to a channel To define a new label 1 Press the Label...

Страница 134: ...a label ending in a digit such as ADDR0 or DATA0 the oscilloscope automatically increments the digit and displays the modified label in the New label field after you press the Apply New Label softkey...

Страница 135: ...duplicate labels Labels can end in any number of trailing digits As long as the base string is the same as an existing label in the library the new label will not be put in the library For example if...

Страница 136: ...es Oscilloscopes User s Guide 9 Labels NOTE Defaulting labels without erasing the default library Pressing Default Setup sets all channel labels back to the default labels but does not erase the list...

Страница 137: ...ells the oscilloscope when to acquire and display data For example you can set up to trigger on the rising edge of the analog channel 1 input signal You can adjust the vertical level used for analog c...

Страница 138: ...rting on page 257 Triggers General Information A triggered waveform is one in which the oscilloscope begins tracing displaying the waveform from the left side of the display to the right each time a p...

Страница 139: ...threshold level TTL CMOS ECL or user defined for the selected digital channel group The threshold value is displayed in the upper right corner of the display The line trigger level is not adjustable...

Страница 140: ...er of digital channels minus one External triggers on the rear panel EXT TRIG IN signal Line triggers at the 50 level of the rising or falling edge of the AC power source signal WaveGen triggers at th...

Страница 141: ...ther edge mode is useful when you want to trigger on any activity of a selected source All modes operate up to the bandwidth of the oscilloscope except Either edge mode which has a limitation Either e...

Страница 142: ...the Nth edge occurs after an arming edge and a delay period The arm and trigger edges can be specified as Rising or Falling edges on analog or digital channels 1 Press the Trigger key 2 In the Trigge...

Страница 143: ...lds to set the threshold level for digital channels The value of the trigger level or digital threshold is displayed in the upper right corner of the display 5 Press the Back Up key to return to the T...

Страница 144: ...r analog channels turn the Trigger Level knob For digital channels press the Digital key and select Thresholds to set the threshold level The value of the trigger level or digital threshold is display...

Страница 145: ...et t 10 ns Greater than a time value For example for a positive pulse if you set t 10 ns Within a range of time values For example for a positive pulse if you set t 10 ns and t 15 ns 7 Select the qual...

Страница 146: ...a hex bus value as described on Hex Bus Pattern Trigger on page 148 1 Press the Trigger key 2 In the Trigger Menu press the Trigger softkey then turn the Entry knob to select Pattern 3 For each analo...

Страница 147: ...s in the pattern are set to don t care the oscilloscope will not trigger The rising edge or falling edge softkey sets the pattern to an edge on the selected channel Only one rising or falling edge can...

Страница 148: ...or more don t care X bits and one or more bit with a value or 0 or 1 the sign will be displayed for the digit For information regarding digital bus display when Pattern triggering see Bus values are...

Страница 149: ...r Level knob Press the Digital key and select Thresholds to set the threshold level for digital channels The value of the trigger level or digital threshold is displayed in the upper right corner of t...

Страница 150: ...vel in greater than or less than a certain amount of time 1 Press the Trigger key 2 In the Trigger Menu press the Trigger softkey then turn the Entry knob to select Rise Fall Time 3 Press the Source s...

Страница 151: ...tween High and Low selection 7 Press the Qualifier softkey to toggle between greater than or less than 8 Press the Time softkey and turn the Entry knob to select the time Nth Edge Burst Trigger The Nt...

Страница 152: ...Press the Slope softkey to specify the slope of the edge 5 Press the Idle softkey then turn the Entry knob to specify the idle time 6 Press the Edge softkey then turn the Entry knob to which edge num...

Страница 153: ...he Trigger softkey then turn the Entry knob to select Runt 3 Press the Source softkey and turn the Entry knob to select the input channel source 4 Press the Positive Negative or Either Runt Pulse soft...

Страница 154: ...scilloscope channel probes the clock signal and another channel probes the data signal To trigger on setup hold violations 1 Press the Trigger key 2 In the Trigger Menu press the Trigger softkey then...

Страница 155: ...deo Trigger Video triggering can be used to capture the complicated waveforms of most standard analog video signals The trigger circuitry detects the vertical and horizontal interval of the waveform a...

Страница 156: ...e the trigger level because the trigger level is automatically set to the sync pulse Trigger coupling is automatically set to TV in the Trigger Mode and Coupling Menu NOTE It is important when using a...

Страница 157: ...hannel vertical scaling is set to 140 mV div Source channel offset is set to 245 mV Source channel is turned on Trigger type is set to Video Video trigger mode is set to All Lines Display Grid type is...

Страница 158: ...ield 1 and field 2 NTSC PAL PAL M and SECAM only 9 If you select a line mode press the Line softkey then rotate the Entry knob to select the line number on which you want to trigger The following tabl...

Страница 159: ...ng which is typically in line 21 1 Press the Trigger key 2 In the Trigger Menu press the Trigger softkey then turn the Entry knob to select Video 3 Press the Settings softkey then press the Standard s...

Страница 160: ...is selected as the Video trigger mode the oscilloscope will trigger on all horizontal sync pulses 1 Press the Trigger key 2 In the Trigger Menu press the Trigger softkey then turn the Entry knob to s...

Страница 161: ...ecific field is selected the oscilloscope triggers on the rising edge of the first serration pulse in the vertical sync interval in the specified field 1 or 2 1 Press the Trigger key 2 In the Trigger...

Страница 162: ...or to find the amplitude differences between the fields use the All Fields trigger mode 1 Press the Trigger key 2 In the Trigger Menu press the Trigger softkey then turn the Entry knob to select Video...

Страница 163: ...the Trigger Menu press the Trigger softkey then turn the Entry knob to select Video 3 Press the Settings softkey then press the Standard softkey to select the appropriate TV standard 4 Press the Mode...

Страница 164: ...doff softkey in the Video Trigger Menu Press the Field Holdoff softkey and use the Entry knob to adjust the holdoff in half field increments until the oscilloscope triggers on only one phase of the co...

Страница 165: ...et EOP signal Reset Complete RC Enter Suspend Suspend or Exit Suspend Exit Sus on the differential USB data lines D and D USB Low Speed and Full Speed are supported by this trigger Table 3 Half field...

Страница 166: ...the Trigger Menu press the Trigger softkey then turn the Entry knob to select USB 6 Press the Trigger softkey to select where the USB trigger will occur SOP Start of Packet triggers at the Sync bit at...

Страница 167: ...USB If you have connected the oscilloscope s analog source channels to the D and D signals Adjust the trigger level for each connected analog channel to the middle of the waveform by pressing the D o...

Страница 168: ...168 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 10 Triggers...

Страница 169: ...u are probing is noisy you can set up the oscilloscope to reduce the noise in the trigger path and on the displayed waveform First stabilize the displayed waveform by removing the noise from the trigg...

Страница 170: ...Triggering and the Pre and Post Trigger Buffers After the oscilloscope starts running after pressing Run or Single or changing the trigger condition the oscilloscope first fills the pre trigger buffer...

Страница 171: ...conditions occur often enough that forced triggers are unnecessary When to Use Normal Trigger Mode The Normal trigger mode is appropriate when You only want to acquire specific events specified by th...

Страница 172: ...trigger when your waveform has a large DC offset LF low frequency Reject coupling adds a high pass filter with the 3 dB point at 50 kHz in series with the trigger waveform Low frequency reject removes...

Страница 173: ...gger the oscilloscope 1 Press the Mode Coupling key 2 In the Trigger Mode and Coupling Menu press the Noise Rej softkey to enable or disable To enable or disable trigger HF Reject HF Reject adds a 50...

Страница 174: ...g key 2 In the Trigger Mode and Coupling Menu press the Holdoff softkey then turn the Entry knob to increase or decrease the trigger holdoff time Trigger Holdoff Operating Hints The correct holdoff se...

Страница 175: ...ftkey 3 In the External Trigger Menu press the Units softkey to select between Volts for a voltage probe Amps for a current probe Measurement results channel sensitivity and the trigger level will ref...

Страница 176: ...176 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 11 Trigger Mode Coupling...

Страница 177: ...Stop and Single When the Run Stop key is green the oscilloscope is running that is acquiring data when trigger conditions are met To stop acquiring data press Run Stop When stopped the last acquired...

Страница 178: ...cope is stopped after running Single Single acquisitions always use the maximum memory available at least twice as much memory as acquisitions captured when running and the oscilloscope stores at leas...

Страница 179: ...order to have the signal be uniquely reconstructed without aliasing fMAX fS 2 Nyquist frequency fN folding frequency Aliasing Aliasing occurs when signals are under sampled fS 2fMAX Aliasing is the s...

Страница 180: ...n this case and it requires a system with an ideal brick wall frequency response However digital signals have frequency components above the fundamental frequency square waves are made up of sine wave...

Страница 181: ...b pdf 5989 5732EN pdf Oscilloscope Rise Time Closely related to an oscilloscope s bandwidth specification is its rise time specification Oscilloscopes with a Gaussian type frequency response have an a...

Страница 182: ...cy spectrum of fast edges where frequency components higher than fknee are insignificant in determining the shape of the signal fknee 0 5 signal rise time based on 10 90 thresholds fknee 0 4 signal ri...

Страница 183: ...ncreases and the oscilloscope s digitizer is sampling faster than is required to fill memory For example suppose an oscilloscope s digitizer has a sample period of 1 ns maximum sample rate of 1 GSa s...

Страница 184: ...In Peak Detect mode at slower time div settings when decimation would normally occur minimum and maximum value samples are kept in order to capture infrequent and narrow events at the expense of exag...

Страница 185: ...Acquisition Control 12 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 185 Figure 36 Sine With Glitch Normal Mode Figure 37 Sine With Glitch Peak Detect Mode...

Страница 186: ...ndary Press the Clear Display softkey to erase previously acquired points The display will accumulate points until Persistence is turned off 4 Characterize the glitch with Zoom mode a Press the zoom k...

Страница 187: ...hanges and how much you want to reduce the displayed noise on the signal To use the Averaging mode 1 Press the Acquire key then press the Acq Mode softkey until the Averaging mode is selected 2 Press...

Страница 188: ...olution is produced for every factor of 2 averages Random noise is reduced by for every factor of 4 averages The number of extra bits of vertical resolution is dependent on the time per division setti...

Страница 189: ...finite persistence across all acquired segments See also To set or clear persistence on page 127 for details To acquire to segmented memory 1 Set up a trigger condition See Chapter 10 Triggers startin...

Страница 190: ...inactivity consider selecting the Normal trigger mode to prevent AutoTriggering See To select the Auto or Normal trigger mode on page 170 See Also Navigating Segments on page 190 Infinite Persistence...

Страница 191: ...ented memory feature is on Segmented Memory Re Arm Time After each segment fills the oscilloscope re arms and is ready to trigger in about 8 s Remember though for example if the horizontal time per di...

Страница 192: ...e sure to set the Length control to capture enough points to accurately represent the captured data When the oscilloscope is busy saving multiple segments progress is displayed in the upper right area...

Страница 193: ...rs are vertical dashed lines that adjust horizontally and can be used to measure time s frequency 1 s phase and ratio The X1 cursor is the short dashed vertical line and the X2 cursor is the long dash...

Страница 194: ...loscope and obtain a stable display 2 Press the Cursors key The Cursors box in the right side information area appears indicating that cursors are on Press the Cursors key again when you want to turn...

Страница 195: ...urned off In Hex mode the channel is interpreted as 0 if turned off 4 Press Source or X1 Source X2 Source in the Track Waveform mode then select the input source for cursor values 5 Select the cursor...

Страница 196: ...rsors softkey to set the current X1 location as 0 and the current X2 location as 100 You can press the Y Units softkey to select Base the same units used for the source waveform Ratio when selected us...

Страница 197: ...Cursors 13 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 197 Cursor Examples Figure 40 Cursors used to measure pulse widths other than middle threshold points...

Страница 198: ...t InfiniiVision 2000 X Series Oscilloscopes User s Guide 13 Cursors Expand the display with Zoom mode then characterize the event of interest with the cursors Figure 41 Cursors measure frequency of pu...

Страница 199: ...rsors 13 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 199 Put the X1 cursor on one side of a pulse and the X2 cursor on the other side of the pulse Figure 42 Cursors track Zoom wind...

Страница 200: ...iVision 2000 X Series Oscilloscopes User s Guide 13 Cursors Press the X1 X2 linked softkey and move the cursors together to check for pulse width variations in a pulse train Figure 43 Measuring pulse...

Страница 201: ...Cursors 13 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 201 Figure 44 Moving the cursors together to check pulse width variations...

Страница 202: ...202 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 13 Cursors...

Страница 203: ...e of the screen Cursors are turned on to show the portion of the waveform being measured for the most recently selected measurement bottom most on the right side measurement area NOTE Post Acquisition...

Страница 204: ...ctions or reference waveforms that are displayed are available for measurements 3 Press the Type softkey then rotate the Entry knob to select a measurement to be made NOTE If a portion of the waveform...

Страница 205: ...on some measurements 5 Press the Add Measurement softkey or push the Entry knob to display the measurement 6 To turn off measurements press the Meas key again Measurements are erased from the display...

Страница 206: ...th FFT waveforms and for digital channel waveforms as described in the following table Measurement Valid for Math FFT Valid for Digital Channels Notes Snapshot All on page 207 Amplitude on page 209 Av...

Страница 207: ...Period on page 216 Yes Phase on page 219 Measures between two sources Press Settings to specify the second source Preshoot on page 212 Rise Time on page 218 DC RMS on page 213 AC RMS on page 213 Top...

Страница 208: ...ge 291 Voltage Measurements The following figure shows the voltage measurement points Measurement units for each input channel can be set to Volts or Amps using the channel Probe Units softkey See To...

Страница 209: ...um Maximum is the highest value in the waveform display The Y cursor shows the value being measured Minimum Minimum is the lowest value in the waveform display The Y cursor shows the value being measu...

Страница 210: ...om window See Measurement Window with Zoom Display on page 225 Base The Base of a waveform is the mode most common value of the lower part of the waveform or if the mode is not well defined the base i...

Страница 211: ...ries Oscilloscopes User s Guide 211 Figure 46 Automatic Overshoot measurement Rising edge oversh ot local Maximum D Top Amplitude 100 Falling edge oversh ot Base D local Minimum Amplitude 100 Overshoo...

Страница 212: ...t ith point being measured n number of points in measurement interval The Full Screen measurement interval variation measures the value on all displayed data points The N Cycles measurement interval v...

Страница 213: ...measured AC RMS AC RMS is the root mean square value of the waveform with the DC component removed It is useful for example for measuring power supply noise The N Cycles measurement interval measures...

Страница 214: ...ian distribution two sigma 1 from the mean is where 68 3 percent of the measurement results reside Six sigma 3 from is where 99 7 percent of the measurement results reside The mean is calculated as fo...

Страница 215: ...resholds are 10 50 and 90 between Top and Base values See Measurement Thresholds on page 223 for other percentage threshold and absolute value threshold settings Period on page 216 Frequency on page 2...

Страница 216: ...een the middle threshold crossings of two consecutive like polarity edges A middle threshold crossing must also travel through the lower and upper threshold levels which eliminates runt pulses The X c...

Страница 217: ...shold point Width Width is the time from the middle threshold of the falling edge to the middle threshold of the next rising edge The X cursors show the pulse being measured The Y cursor shows the mid...

Страница 218: ...he lower and upper threshold points Fall Time The fall time of a signal is the time difference between the crossing of the upper threshold and the crossing of the lower threshold for a negative going...

Страница 219: ...ement The default Delay settings measure from the rising edge of channel 1 to the rising edge of channel 2 5 Press the Back Up key to return to the Measurement Menu 6 Press the Add Measurement softkey...

Страница 220: ...knob to select Delay 4 Press the Settings softkey to select the second analog channel source for the phase measurement The default Phase settings measure from channel 1 to channel 2 5 Press the Back...

Страница 221: ...value is being measured X at Max Y X at Max Y is the X axis value usually time at the first displayed occurrence of the waveform Maximum starting from the left side of the display For periodic signals...

Страница 222: ...page 222 Negative Pulse Count on page 222 Rising Edge Count on page 223 Falling Edges Count on page 223 Positive Pulse Count The Positive Pulse Count measurement is a pulse count for the selected wav...

Страница 223: ...Setting measurement thresholds defines the vertical levels where measurements will be taken on an analog channel or math waveform 1 From the Measurement Menu press the Settings softkey then press the...

Страница 224: ...t to Math f t the threshold Type can only be set to Percent 4 Press the Lower softkey then turn the Entry knob to set the lower measurement threshold value Increasing the lower value beyond the set mi...

Страница 225: ...upper threshold is 90 or 1 50 V If threshold Type is set to the upper threshold value can be set from 7 to 95 Measurement Window with Zoom Display When the zoomed time base is displayed you can choos...

Страница 226: ...226 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 14 Measurements...

Страница 227: ...ch the waveform must remain in order to comply with chosen parameters Compliance to the mask is verified point by point across the display Mask test operates on displayed analog channels it does not o...

Страница 228: ...alog channel is selected 7 Adjust the mask s horizontal tolerance Y and vertical tolerance X These are adjustable in graticule divisions or in absolute units volts or seconds selectable using the Unit...

Страница 229: ...is switched on when mask test is switched on then infinite persistence is switched off when mask test is switched off Troubleshooting Mask Setup If you press Create Mask and the mask appears to cover...

Страница 230: ...ayed above the softkeys Minimum Time Choose this option and then use the Test Time softkey to select how long the oscilloscope will run When the selected time has passed the oscilloscope will stop The...

Страница 231: ...mode is not available when the acquisition mode is set to Averaging Note that you can choose to Print or Save but you cannot select both at the same time All other actions may be selected at the same...

Страница 232: ...displayed Current mask name of mask Channel number date and time of Tests total number of mask tests executed Status Passing Failing or Untested Accumulated test time in hours minutes seconds and ten...

Страница 233: ...SB mass storage device and connect it to a PC 9 Open the msk file your created using a text editor such as Wordpad 10 Edit save and close the file The mask file contains the following sections Mask Fi...

Страница 234: ...s a failure Mask Violation Regions Up to 8 regions can be defined for a mask They can be numbered 1 8 They can appear in any order in the msk file The numbering of the regions must go from top to bott...

Страница 235: ...file The Y values normally voltage are normalized in the file using the following equation Ynorm Y Y1 Y where Y Y2 Y1 To convert the normalized Y values in the mask file to voltage Y Ynorm Y Y1 where...

Страница 236: ...E 06 MTES SCAL XDEL 800 000E 06 MTES SCAL Y1 359 000E 03 MTES SCAL Y2 2 35900E 00 Building a Mask File The following mask uses all eight mask regions The most difficult part of creating a mask file is...

Страница 237: ...1 500 Region Number 4 Number of vertices 5 10 00 1 000 12 50 0 500 15 00 0 500 15 00 1 500 12 50 1 500 Region Number 5 Number of vertices 5 10 00 1 000 12 50 0 500 15 00 0 500 15 00 1 500 12 50 1 500...

Страница 238: ...1 LOCK 1 MTES AMAS SOUR CHAN1 UNIT DIV XDEL 3 00000000E 001 YDEL 2 00000000E 00 1 MTES SCAL BIND 0 X1 0 0E 00 XDEL 1 0000E 09 Y1 0 0E 00 Y2 1 00000E 0 0 MTES RMOD FOR RMOD TIME 1E 00 WAV 1000 SIGM 6...

Страница 239: ...X1 0 and Y1 0 the same vertices define a region that goes from 5 ns to 5 ns and from 2 V to 2 V How is mask testing done InfiniiVision oscilloscopes start mask testing by creating a database that is...

Страница 240: ...240 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 15 Mask Testing...

Страница 241: ...seven segment readout like you would see on a digital voltmeter It shows the selected mode as well as the units Units are selected using the Units softkey in the channel s Probe Menu After pressing t...

Страница 242: ...elect Digital Voltmeter 3 Press Features again to enable the DVM measurements 4 Press the Source softkey and turn the Entry knob to select the analog channel on which digital voltmeter DVM measurement...

Страница 243: ...ed source channel is not used in oscilloscope triggering press Auto Range to disable or enable automatic adjustment of the DVM channel s vertical scale vertical ground level position and trigger thres...

Страница 244: ...244 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 16 Digital Voltmeter...

Страница 245: ...u an easy way to provide input signals when testing circuitry with the oscilloscope Waveform generator settings can be saved and recalled with oscilloscope setups See Chapter 18 Save Recall Setups Scr...

Страница 246: ...ct the waveform type 3 Depending on the selected waveform type use the remaining softkeys and the Entry knob to set the waveform s characteristics CAUTION It takes the overload protection circuit abou...

Страница 247: ...Low Level softkeys to set the sine signal parameters The frequency can be adjusted from 100 mHz to 20 MHz Square Use the Frequency Frequency Fine Period Period Fine Amplitude High Level Offset Low Lev...

Страница 248: ...tor Menu is not currently displayed on the oscilloscope s softkeys press the Wave Gen key 2 In the Waveform Generator Menu press the Settings softkey 3 In the Waveform Generator Settings Menu press th...

Страница 249: ...u can easily set the output voltage to TTL CMOS 5 0V CMOS 3 3V CMOS 2 5V or ECL compatible Low and High levels 1 If the Waveform Generator Menu is not currently displayed on the oscilloscope s softkey...

Страница 250: ...Rear Panel TRIG OUT Source on page 284 This is because the trigger comparator is located after the noise source To add modulation to the waveform generator output Modulation is where an original carr...

Страница 251: ...at the specified FSK rate The FSK rate specifies a digital square wave modulating signal See To set up Frequency Shift Keying Modulation FSK on page 254 To set up Amplitude Modulation AM In the Wavef...

Страница 252: ...al amplitude as the modulating signal goes from its minimum to maximum amplitude The following screen shows an AM modulation of a 100 kHz sine wave carrier signal To set up Frequency Modulation FM In...

Страница 253: ...original carrier signal frequency When the modulating signal is at its maximum amplitude the output frequency is the carrier signal frequency plus the deviation amount and when the modulating signal i...

Страница 254: ...ect Frequency Shift Keying Modulation FSK 2 Press the Hop Freq softkey and turn the Entry knob to specify the hop frequency The output frequency shifts between the original carrier frequency and this...

Страница 255: ...enerator Menu is not currently displayed on the oscilloscope s softkeys press the Wave Gen key 2 In the Waveform Generator Menu press the Settings softkey 3 In the Waveform Generator Settings Menu pre...

Страница 256: ...256 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 17 Waveform Generator...

Страница 257: ...called later You can also recall default or factory default setups Oscilloscope screen images can be saved to a USB storage device in BMP or PNG formats Acquired waveform data can be saved to a USB st...

Страница 258: ...ch displayed channel This format is also suitable for spreadsheets See To save CSV ASCII XY or BIN data files on page 260 Reference Waveform data h5 Saves waveform data in a format that can be recalle...

Страница 259: ...files have the extension SCP These extensions appear when using the File Explorer see File Explorer on page 279 but they do not appear when using the Recall Menu To save BMP or PNG image files Image...

Страница 260: ...o navigate to the save location See To navigate storage locations on page 264 3 Press the Settings softkey In the File Settings Menu you have these softkeys and options Setup Info when enabled setup i...

Страница 261: ...data points that will be output to the file Only displayed data points are saved The maximum number of data points depends on these things Whether acquisitions are running When stopped data comes fro...

Страница 262: ...322 Minimum and Maximum Values in CSV Files on page 323 To save Lister data files Lister data files can be saved to an external USB storage device 1 Press Save Recall Save Format then turn the Entry...

Страница 263: ...ations on page 264 6 Finally press the Press to Save softkey A message indicating whether the save was successful is displayed To save masks Mask files can be saved to one of four internal User Files...

Страница 264: ...ed location Load from when you can recall from the selected file When saving files The proposed file name is shown in the Save to file line above the softkeys To overwrite an existing file browse to t...

Страница 265: ...les on page 265 Mask msk See To recall mask files on page 266 Reference Waveform data h5 See To recall reference waveform files from a USB storage device on page 266 You can also recall setups and mas...

Страница 266: ...essful is displayed 4 If you would like to clear the display or clear the recalled mask press Clear Display or Clear Mask To recall reference waveform files from a USB storage device 1 Press the Save...

Страница 267: ...s are not changed when recalling the default setup Factory Default recalls the oscilloscope s factory default settings You must confirm the recall because there are no user settings that are left unch...

Страница 268: ...268 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 18 Save Recall Setups Screens Data...

Страница 269: ...softkeys and the Press to Print softkey are ghosted not available until a printer is connected To print the oscilloscope s display 1 Connect a printer You can Connect a USB printer to either the USB p...

Страница 270: ...on page 291 See Also Adding an Annotation on page 292 To set up network printer connections When the DSOXLAN LAN VGA module is installed you can set up network printer connections A network printer i...

Страница 271: ...ter name or 192 168 1 100 650 printers printer name Path to a Windows network printer share for example server share When the Printer Address is a Windows network printer share the Modify softkey also...

Страница 272: ...ing the black background to white Invert Graticule Colors is the default mode Form Feed Select this to send a form feed command to the printer after the waveform is printed and before the setup inform...

Страница 273: ...73 Color Select this to print the screen in color The oscilloscope s print driver cannot print color images to color laser printers so the Color option is not available when connected to laser printer...

Страница 274: ...274 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 19 Print Screens...

Страница 275: ...ks 286 Configuring the Quick Action Key 291 Adding an Annotation 292 This chapter explains oscilloscope utility functions I O Interface Settings The oscilloscope can be accessed and or controlled remo...

Страница 276: ...Remote Programming via the Web Interface on page 298 The oscilloscope s Programmer s Guide Remote Programming with Keysight IO Libraries on page 300 Setting up the Oscilloscope s LAN Connection When...

Страница 277: ...cable into the LAN port on the rear panel of the oscilloscope In a few moments the oscilloscope will connect to the network automatically If the oscilloscope does not automatically connect to the net...

Страница 278: ...one Point to Point Connection to a PC The following procedure describes how to establish a point to point stand alone connection to the oscilloscope This is useful if you want to control the oscillosc...

Страница 279: ...USB storage device The oscilloscope s internal file system under User Files consists of 10 locations for oscilloscope setup files and four locations for mask files To use the File Explorer 1 Press Ut...

Страница 280: ...r Delete File softkeys to take the action Pushing the Entry knob is the same as pressing the Load File softkey A file that has been deleted from a USB storage device cannot be recovered by the oscillo...

Страница 281: ...tions Preferences lets you specify oscilloscope preferences To choose expand about center or ground on page 281 To disable enable transparent backgrounds on page 282 To load the default label library...

Страница 282: ...efault label library See To reset the label library to the factory default on page 135 To set up the screen saver The oscilloscope can be configured to turn on a display screen saver when the oscillos...

Страница 283: ...disable this type of autoscale When fast debug is enabled autoscale lets you make quick visual comparisons to determine whether the signal being probed is a DC voltage ground or an active AC signal Ch...

Страница 284: ...o 1 00 PM is hour 13 The real time clock only allows selection of valid dates If a day is selected and the month or year is changed so the day is invalid the day is automatically adjusted Setting the...

Страница 285: ...e commands sent to the instrument and results returned by the instrument can be logged to the screen to a text file on a USB storage device or to both the screen and a text file To enable remote comma...

Страница 286: ...ommand logging screen display Enable to make the background transparent This lets you view underlying waveforms Disable for a solid background which makes the logged remote commands easier to read Per...

Страница 287: ...l Institute of Standards and Technology traceability is required perform the Performance Verification procedure in the Keysight InfiniiVision 2000 3000 X Series Oscilloscopes Service Guide using trace...

Страница 288: ...Settings For a 4 channel oscilloscope connect BNC tees to the equal length cables as shown below Then connect a BNC f to BNC f barrel connector to the tee as shown below Figure 48 User Calibration cab...

Страница 289: ...procedures to verify that the oscilloscope is operating properly It is recommended you run Hardware Self Test After experiencing abnormal operation For additional information to better describe an os...

Страница 290: ...nformation on page 312 To display the user calibration status Pressing Utility Service User Cal Status displays the summary results of the previous User Cal and the status of probe calibrations for pr...

Страница 291: ...nearest Keysight Technologies sales or service office for additional details Information on contacting Keysight Technologies can be found at www keysight com find contactus 1 Write the following info...

Страница 292: ...creens Data starting on page 257 Quick Recall recalls a setup mask or reference waveform Press Settings to set up the recall options See Chapter 18 Save Recall Setups Screens Data starting on page 257...

Страница 293: ...y and turn the Entry knob to select the character at the current position press this softkey to enter characters and move the cursor to the next character position press this softkey to enter characte...

Страница 294: ...hoose white red or colors that match analog channels digital channels math waveforms reference waveforms or markers 7 Press the Background softkey and turn the Entry knob to select the annotation back...

Страница 295: ...t name IP address and VISA address connect string Control the oscilloscope using the Remote Front Panel Send SCPI Standard Commands for Programmable Instrumentation remote programming commands via the...

Страница 296: ...on Accessing the Web Interface To access the oscilloscope s web interface 1 Connect the oscilloscope to your LAN see To establish a LAN connection on page 277 or establish a point to point connection...

Страница 297: ...7 Browser Web Control The web interface s Browser Web Control page gives you access to The Browser Based Remote Front Panel see Browser Based Remote Front Panel on page 298 The SCPI Command window app...

Страница 298: ...eb interface is displayed select Browser Web Control then select Remote Front Panel After a few seconds the Remote Front Panel appears 3 Click keys or knobs that you would normally press on the oscill...

Страница 299: ...ibraries from within a programming environment like Microsoft Visual Studio see Remote Programming with Keysight IO Libraries on page 300 To send remote programming commands to the oscilloscope via th...

Страница 300: ...e commands is contained in the Programmer s Guide For more information about connecting to the oscilloscope refer to the Keysight Technologies USB LAN GPIB Interfaces Connectivity Guide For a printabl...

Страница 301: ...uisition check box to force a new acquisition before the preview With some formats you can click Save Setup Info to save setup information to an ASCII txt format file c Click Save The current acquisit...

Страница 302: ...hen click Open c When recalling reference waveform data files select the To Reference Waveform location d Click Recall Get Image To save or print the oscilloscope s display from the web interface 1 Ac...

Страница 303: ...nterface see Accessing the Web Interface on page 296 2 When the oscilloscope s web interface Welcome Page is displayed select the Identification on radio button An Identify message is displayed on the...

Страница 304: ...304 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 21 Web Interface Install firmware upgrade files View calibration status You can select these cababilities via a drop down menu...

Страница 305: ...e via a Web browser and changing parameters Remote users can still view the Welcome screen view network status etc but they can t operate the instrument or change its setup without the password To set...

Страница 306: ...306 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 21 Web Interface 4 Enter your desired password and click Apply Changes Configure Network tab Modify Configuration...

Страница 307: ...user name is the IP address of the oscilloscope To reset the password Do one of these things to reset the password Using the keys on the front panel of the oscilloscope press Utility I O LAN Reset Us...

Страница 308: ...308 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 21 Web Interface...

Страница 309: ...2 Acknowledgements 324 Product Markings and Regulatory Information 324 Specifications and Characteristics For up to date specifications and characteristics on the 2000 X Series oscilloscopes see the d...

Страница 310: ...pment Measurement category III is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction bo...

Страница 311: ...d to be powered by MAINS that comply to Overvoltage Category II which is typical of cord and plug connected equipment Pollution Degree The InfiniiVision 2000 3000 X Series oscilloscopes may be operate...

Страница 312: ...ng Licenses and Displaying License Information License files are loaded from a USB storage device using the File Explorer see File Explorer on page 279 License information is displayed with other osci...

Страница 313: ...rd EDK Educator s Kit Provides training signals on the oscilloscope s Demo terminals and a lab guide tutorial for education environments Now standard EMBD Embedded Serial Triggering and Analysis I2C S...

Страница 314: ...al Keysight Technologies representative or see www keysight com find 2000X Series Software and Firmware Updates From time to time Keysight Technologies releases software and firmware updates for its p...

Страница 315: ...e is on all displayed sources will be saved except math functions When using segmented memory each segment is treated as a separate waveform All segments for a channel are saved then all segments of t...

Страница 316: ...directory for MATLAB The default work directory is C MATLAB7 work Binary Header Format File Header There is only one file header in a binary file The file header consists of the following information...

Страница 317: ...fault value is 0 X Display Range A 32 bit float that is the X axis duration of the waveform that is displayed For time domain waveforms it is the duration of time across the display If the value is ze...

Страница 318: ...ed data The possible values are listed above under X Units Date A 16 byte character array left blank in InfiniiVision oscilloscopes Time A 16 byte character array left blank in the InfiniiVision oscil...

Страница 319: ...e following picture shows a binary file of a single acquisition with multiple analog channels Buffer Type A 16 bit short that is the type of waveform data stored in the file 0 Unknown data 1 Normal 32...

Страница 320: ...of Waveform Buffers 1 Buffer Type 1 floating point Bytes per Point 4 Waveform Header 1 140 bytes Waveform Data Header 1 12 bytes Voltage Data 1 buffer size Waveform Header 2 140 bytes Waveform Data H...

Страница 321: ...sition on one analog channel File Header 12 bytes Waveform Header 2 140 bytes Waveform Data Header 1 12 bytes Pod 1 Timing Data buffer size Waveform Data Header 2 12 bytes Pod 2 Timing Data buffer siz...

Страница 322: ...tes Waveform Data Header 2 12 bytes Voltage Data 2 buffer size Waveform Header N 140 bytes Waveform Data Header N 12 bytes Voltage Data N buffer size Number of Waveforms N Number of Segments Number of...

Страница 323: ...ion When the oscilloscope s sample rate is 4 GSa s a sample will be taken every 250 ps If the horizontal scale is set to 10 us div there will be 100 us of data displayed because there are ten division...

Страница 324: ...Please refer to keysight com go takeback to understand your Trade in options with Keysight in addition to product takeback instructions Indicates the time period during which no hazardous or toxic su...

Страница 325: ...at MSIP REM YYY ZZZZZZZZZZZZZZ This mark denotes compliance with the essential requirements of the following applicable UK regulations Electromagnetic Compatibility Regulations 2016 No 1091 as amended...

Страница 326: ...326 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 22 Reference...

Страница 327: ...ption is license enabled Setup for CAN Signals Setup consists of connecting the oscilloscope to a CAN signal using the Signals Menu to specify the signal source threshold voltage level baud rate and s...

Страница 328: ...baud rates from 10 kb s up to 5 Mb s or a user defined baud rate from 10 0 kb s to 4 Mb s in increments of 100 b s Fractional user defined baud rates between 4 Mb s and 5 Mb s are not allowed The defa...

Страница 329: ...s connected to an analog source channel using a differential probe Connect the probe s positive lead to the dominant low CAN signal CAN_L and connect the negative lead to the dominant high CAN signal...

Страница 330: ...t the ID and set up the number of data bytes and values Error Frame The oscilloscope will trigger on CAN active error frames All Errors The oscilloscope will trigger when any form error or active erro...

Страница 331: ...cope is stopped press the Run Stop key to acquire and decode data You can use the horizontal Zoom window for easier navigation of the decoded data See Also Interpreting CAN Decode on page 332 CAN Tota...

Страница 332: ...pears in hex digits in blue when valid or in red to indicate that the oscilloscope s hardware decode calculated a CRC that is different from the incoming CRC data stream Angled waveforms show an activ...

Страница 333: ...an overflow condition occurs the counter displays OVERFLOW The counters can be reset to zero by pressing the Reset CAN Counters softkey Types of Frames Active error frames are CAN frames in which a C...

Страница 334: ...e and no counters are incremented Interpreting CAN Lister Data In addition to the standard Time column the CAN Lister contains these columns ID frame ID Type frame type RMT remote frame or Data DLC da...

Страница 335: ...s the Bits softkey to enter the ID Remote or Data Frame ID Finds remote or data frames matching the specified ID Press the Bits softkey to select the ID Data Frame ID and Data Finds data frames matchi...

Страница 336: ...serial decode slot 7 Press the Baud Rate softkey to open the LIN Baud Rate Menu 8 Press the Baud softkey then turn the Entry knob to select the baud rate that matches match your LIN bus signal The def...

Страница 337: ...Setup for LIN Signals on page 335 LIN triggering can trigger on the rising edge at the Sync Break exit of the LIN single wire bus signal that marks the beginning of the message frame the Frame ID or t...

Страница 338: ...ame ID and data To select the frame ID value press the Frame ID softkey and use the Entry knob Note that you can enter a don t care value for the frame ID and trigger on data values only To set up the...

Страница 339: ...s selected 3 If the decode line does not appear on the display press the Serial key to turn it on 4 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the hor...

Страница 340: ...appears in blue if correct or red if incorrect The checksum always appears in white for LIN 2 0 Decoded text is truncated at the end of the associated frame when there is insufficient space within fr...

Страница 341: ...blue If the wakeup signal is not followed by a valid wakeup delimiter a wakeup error is detected and displayed as WUP in red Interpreting LIN Lister Data In addition to the standard Time column the L...

Страница 342: ...press the Search softkey then turn the Entry knob to select the serial slot Serial 1 or Serial 2 on which the LIN signal is being decoded 3 Press Search then select from these options ID Finds frames...

Страница 343: ...serial decode option is license enabled Setup for I2C Signals I2 C Inter IC bus signals setup consists of connecting the oscilloscope to the serial data SDA line and the serial clock SCL line and then...

Страница 344: ...level when the trigger type is set to the selected serial decode slot Data must be stable during the whole high clock cycle or it will be interpreted as a start or stop condition data transitioning w...

Страница 345: ...y Ack SCL clock bit Address with no Ack The oscilloscope triggers when the acknowledge of the selected address field is false The R W bit is ignored Restart The oscilloscope triggers when another star...

Страница 346: ...6th clock edge if all bits in the pattern match For triggering purposes a restart is treated as a start condition 10 bit Write The oscilloscope triggers on a 10 bit write frame on the 26th clock edge...

Страница 347: ...or 10 bit device address You can select from an address range of 0x00 to 0x7F 7 bit or 0x3FF 10 bit hexadecimal When triggering on a read write frame the oscilloscope will trigger after the start addr...

Страница 348: ...e 3 If the decode line does not appear on the display press the Serial key to turn it on 4 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the horizontal Z...

Страница 349: ...s appear in yellow along with the R character Restart addresses appear in green along with the S character Data values appear in white A indicates Ack low A indicates No Ack high Decoded text is trunc...

Страница 350: ...ress colored blue for writes yellow for reads Data data bytes Missing Ack indicated by an X highlighted in red if an error Aliased data is highlighted in pink When this happens decrease the horizontal...

Страница 351: ...if all bits in the pattern match Frame Start Address7 Write Ack Data finds a write frame on the 17th clock edge if all bits in the pattern match Frame Start Address7 Read Ack Data Ack Data2 finds a re...

Страница 352: ...lly set b Press the Threshold softkey then turn the Entry knob to select the clock signal threshold voltage level The threshold voltage level is used in decoding and it will become the trigger level w...

Страница 353: ...me the trigger level when the trigger type is set to the selected serial decode slot 7 Optional Press the MISO softkey to open the SPI Master In Slave Out Menu In the SPI Master In Slave Out Menu a Pr...

Страница 354: ...s set to CS or CS the first clock edge as defined rising or falling seen after the CS or CS signal transitions from low to high or high to low is the first clock in the serial stream Chip Select Press...

Страница 355: ...er level when the trigger type is set to the selected serial decode slot When Display Info is enabled information about the selected signal sources and their threshold voltage levels as well as a wave...

Страница 356: ...e Entry knob to set the number of bits Bits in the serial data string The number of bits in the string can be set anywhere from 4 bits to 64 bits The data values for the serial string are displayed in...

Страница 357: ...then turn the Entry knob to select the bit order most significant bit first MSB or least significant bit first LSB used when displaying data in the serial decode waveform and in the Lister 4 If the de...

Страница 358: ...frame Mid level blue lines show an idle bus The number of clocks in a frame appears in light blue above the frame to the right Decoded hexadecimal data values appear in white Decoded text is truncated...

Страница 359: ...rizontal time div setting and run again Searching for SPI Data in the Lister The oscilloscope s search capability lets you search for and mark certain types of SPI data in the Lister You can use the N...

Страница 360: ...oftkey to open the SPI Bits Search Menu 5 In the SPI Bits Search Menu use the Words softkey to specify the number of words in the data value then use the remaining softkeys to enter the hex digit valu...

Страница 361: ...ng 363 UART RS232 Serial Decode 365 The UART RS232 triggering and serial decode option is license enabled Setup for UART RS232 Signals To set up the oscilloscope to capture UART RS232 signals 1 Press...

Страница 362: ...lowing parameters a Bits Set the number of bits in the UART RS232 words to match your device under test selectable from 5 9 bits b Parity Choose odd even or none based on your device under test c Baud...

Страница 363: ...ss the Trigger Setup softkey to open the UART RS232 Trigger Setup Menu 4 Press the Base softkey to select Hex or ASCII as the base displayed on the Data softkey in the UART RS232 Trigger Setup Menu No...

Страница 364: ...ers on a parity error based on the parity you have set in the Bus Configuration Menu 6 If you choose a trigger condition that includes Data in its description for example Rx Data then press the Data i...

Страница 365: ...d Valid ASCII characters are between 0x00 and 0x7F To display in ASCII you must select at least 7 bits in the Bus Configuration If ASCII is selected and the data exceeds 0x7F the data is displayed in...

Страница 366: ...367 Interpreting UART RS232 Lister Data on page 368 Searching for UART RS232 Data in the Lister on page 368 Interpreting UART RS232 Decode Angled waveforms show an active bus inside a packet frame Mid...

Страница 367: ...ocation of hidden data Expand the horizontal scale to allow the data to display An unknown undefined bus is shown in red A parity error will cause the associated data word to be shown in red which inc...

Страница 368: ...e the horizontal time div setting and run again Searching for UART RS232 Data in the Lister The oscilloscope s search capability lets you search for and mark certain types of UART RS232 data in the Li...

Страница 369: ...bit Finds only when the 9th alert bit is 0 The specified data byte applies to the least significant 8 bits excludes the 9th alert bit Rx X Data For use when the DUT data words are 9 bits in length inc...

Страница 370: ...370 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide 25 UART RS232 Triggering and Serial Decode...

Страница 371: ...313 Auto Scale key 36 Auto Setup FFT 80 81 Auto trigger mode 170 Auto trigger indicator 171 AutoIP 277 278 automatic measurements 203 206 automatic setup 105 AutoScale preferences 283 AutoScale digit...

Страница 372: ...ator 255 delay knob 49 Delay measurement 206 218 delay time indicator 56 delayed sweep 54 delete character 264 delete file 279 Demo 1 terminal 39 Demo 2 terminal 39 depth AM modulation 252 deviation F...

Страница 373: ...ng modulation waveform generator output 254 G g t 71 gateway IP 277 Gaussian frequency response 180 German front panel overlays 41 German noise requirements 325 German user interface and Quick Help 46...

Страница 374: ...e 75 math divide 73 math FFT 79 math functions 69 math integrate 76 math multiply 73 math offset 71 math scale 71 math subtract 72 math transforms or filters on arithmetic operations 71 math units 71...

Страница 375: ...109 position analog 63 positive pulse width measurement trend 93 post processing 203 post trigger information 49 power consumption 27 power cord connector 42 power requirements 27 power supply 42 pow...

Страница 376: ...s saving 259 setup automatic 105 setup default 30 setups recall 265 SGM 189 SGM license 314 shipping damage 23 shipping precautions 291 Sigma minimum 230 Simplified Chinese front panel overlays 41 Sim...

Страница 377: ...rade options 312 upgrading the oscilloscope 314 upload new firmware 295 usb 281 USB device port 43 USB device port remote control 275 USB host port 43 269 USB host ports 39 USB printer 269 USB printer...

Страница 378: ...378 Keysight InfiniiVision 2000 X Series Oscilloscopes User s Guide Index Z Z axis blanking 53 zoom and pan 48 zoom display measurement window with 225 Zoom key 36...

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