Keysight DSOX1202A User Manual Download Page 189

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Mask Testing

Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes User's Guide

189

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Summary of Contents for DSOX1202A

Page 1: ...Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide...

Page 2: ...tomarily provided to the public Accordingly Keysight provides the Software to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a...

Page 3: ...ht InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 3 InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes At a Glance Figure 1 InfiniiVision 1200 X Series 4 Channel Oscillo...

Page 4: ...k Action Demo Probe Comp Ext Trig Gen Out Inputs CH1 and CH2 150V RMS Input ExtTrig 30V RMS 1M 16pF Demo Probe Comp 1 2 Table 1 InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes Model Numbers...

Page 5: ...rms add subtract multiply divide FFT magnitude and phase and low pass filter Reference waveforms 2 for comparing with other channel or math waveforms Many built in measurements G suffix models have bu...

Page 6: ...Bus Decode Trigger starting on page 81 Chapter 9 Display Settings starting on page 83 Chapter 10 Labels starting on page 91 When setting up triggers or changing how data is acquired see Chapter 11 Tri...

Page 7: ...and Serial Decode starting on page 285 Chapter 27 LIN Triggering and Serial Decode starting on page 293 Chapter 28 SPI Triggering and Serial Decode starting on page 301 Chapter 29 UART RS232 Triggeri...

Page 8: ...8 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide...

Page 9: ...ect Probes to the Oscilloscope 23 Maximum input voltage at analog inputs 23 Do not float the oscilloscope chassis 23 Input a Waveform 23 Recall the Default Oscilloscope Setup 24 Use Autoscale 24 Compe...

Page 10: ...To change the horizontal scale knob s coarse fine adjustment setting 45 To position the time reference left center right 46 3 Vertical Controls To turn waveforms on or off channel or math 49 To adjust...

Page 11: ...tion on an arithmetic operation 67 To adjust the math waveform scale and offset 67 Units for Math Waveforms 67 Math Operators 68 Add or Subtract 68 Multiply or Divide 69 Math Transforms 70 FFT Magnitu...

Page 12: ...To select the grid type 86 To adjust the grid intensity 87 To add an annotation 87 To freeze the display 89 10 Labels To turn the label display on or off 91 To assign a predefined label to a channel...

Page 13: ...the Auto or Normal trigger mode 122 To select the trigger coupling 124 To enable or disable trigger noise rejection 125 To enable or disable trigger HF Reject 125 To set the trigger holdoff 126 Extern...

Page 14: ...ed Memory 142 Segmented Memory Re Arm Time 142 Saving Data from Segmented Memory 143 14 Cursors To make cursor measurements 146 Cursor Examples 150 15 Measurements To make automatic measurements 156 M...

Page 15: ...ositive Pulse Count 174 Negative Pulse Count 174 Rising Edge Count 175 Falling Edges Count 175 Measurement Thresholds 175 Measurement Window with Zoom Display 177 16 Mask Testing To create a mask from...

Page 16: ...To set up Frequency Modulation FM 210 To set up Frequency Shift Keying Modulation FSK 212 To restore waveform generator defaults 213 20 Save Recall Setups Screens Data Saving Setups Screen Images or D...

Page 17: ...232 To establish a LAN connection 233 Stand alone Point to Point Connection to a PC 234 File Explorer 234 Setting Oscilloscope Preferences 236 To choose expand about center or ground 237 To disable en...

Page 18: ...Web Interface 250 Control Instrument 251 Remote Front Panel 252 Remote Programming via the Web Interface 252 Remote Programming with Keysight IO Libraries 254 Get Image 254 Save Recall 255 Saving File...

Page 19: ...inary Files 268 CSV and ASCII XY files 271 CSV and ASCII XY file structure 272 Minimum and Maximum Values in CSV Files 272 Acknowledgements 273 Product Markings and Regulatory Information 273 25 CAN T...

Page 20: ...ng LIN Lister Data 300 28 SPI Triggering and Serial Decode Setup for SPI Signals 301 SPI Triggering 307 SPI Serial Decode 309 Interpreting SPI Decode 311 Interpreting SPI Lister Data 312 29 UART RS232...

Page 21: ...arn the Oscilloscope Display 34 Access the Built In Quick Help 36 Select the User Interface Language 36 This chapter describes the steps you take when using the oscilloscope for the first time Inspect...

Page 22: ...side and bottom of the oscilloscope and pushes it out behind the oscilloscope When using the oscilloscope in a bench top setting provide at least 2 clearance at the sides and 4 100 mm clearance above...

Page 23: ...anel 2 Connect the probe s ground lead to the ground terminal next to the Demo terminal CAUTION Maximum input voltage at analog inputs 150 Vrms 200 Vpk CAUTION Do not float the oscilloscope chassis De...

Page 24: ...ter 20 Save Recall Setups Screens Data starting on page 215 Use Autoscale Use Auto Scale to automatically configure the oscilloscope to best display the input signals 1 Press Auto Scale You should see...

Page 25: ...Autoscale Preferences menu See Chapter 22 Utility Settings starting on page 231 If you see the waveform but the square wave is not shaped correctly as shown above perform the procedure Compensate Pas...

Page 26: ...tructions on screen If necessary use a nonmetallic tool supplied with the probe to adjust the trimmer capacitor on the probe for the flattest pulse possible On some probes like the N2140 42A probes th...

Page 27: ...llowing figures refer to the numbered descriptions in the table that follows Figure 3 InfiniiVision 1200 X Series 4 Channel Oscilloscopes 6 Auto Scale key 5 Default Setup key 10 Tools keys 1 Power swi...

Page 28: ...again to switch power off See Power On the Oscilloscope on page 22 2 Softkeys The functions of these keys change based upon the menus shown on the display next to the keys The Back key moves back in t...

Page 29: ...r turn the knob counterclockwise If you pan through the waveform when the oscilloscope is stopped not in Run mode then you are looking at the waveform data from the last acquisition taken Acquire key...

Page 30: ...this key to open a menu that lets you select the cursors mode and source Cursors knob Push this knob select cursors from a popup menu Then after the popup menu closes either by timeout or by pushing t...

Page 31: ...o force a trigger and see what the input signals look like 12 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...

Page 32: ...loscopes the analog channel inputs have 1 M impedance Also there is no automatic probe detection so you must properly set the probe attenuation for accurate measurement results See Setting Analog Chan...

Page 33: ...s and reference waveforms or to save data and screen images See Chapter 20 Save Recall Setups Screens Data starting on page 215 To print connect a USB compliant printer For more information about prin...

Page 34: ...oscilloscope to a host PC You can issue remote commands from a host PC to the oscilloscope via the USB device port see the Programmer s Guide 4 LAN port When the oscilloscope is connected to a networ...

Page 35: ...s Trigger level Softkey labels and information area Cursors defining measurement Other waveforms Status line The top line of the display contains vertical horizontal and trigger setup information Disp...

Page 36: ...describe the softkey functions Typically softkeys let you set up additional parameters for the selected mode or menu Pressing the Back key returns through the menu hierarchy until softkey labels are o...

Page 37: ...ime mode Normal XY or Roll 40 To display the zoomed time base 44 To change the horizontal scale knob s coarse fine adjustment setting 45 To position the time reference left center right 46 The horizon...

Page 38: ...when softkey menu labels are off 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 how the time div inf...

Page 39: ...ints are indicated along the top of the display grid Figure 6 shows the trigger point with the delay time set to 200 s The delay time number tells you how far the time reference point is located from...

Page 40: ...ociated with digital oscilloscopes Often this is simply the ability to freeze the display for the purpose of measuring with cursors or printing the screen Some digital oscilloscopes go one step furthe...

Page 41: ...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 Roll mode is ente...

Page 42: ...y with the 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 ca...

Page 43: ...c and using 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...

Page 44: ...om time 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 resoluti...

Page 45: ...display when the 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 wavef...

Page 46: ...ght edge of the display A small hollow triangle at the top of the display grid marks the position of the time reference When delay time is set to zero the trigger point indicator overlays the time ref...

Page 47: ...osition 49 To specify channel coupling 50 To specify bandwidth limiting 50 To change the vertical scale knob s coarse fine adjustment setting 51 To invert a waveform 51 Setting Analog Channel Probe Op...

Page 48: ...l so that the entire waveform is contained between the top and bottom of the display For proper operation of the 1200 X Series oscilloscope the channel inputs must not be overdriven more than 8 divisi...

Page 49: ...coarse fine adjustment setting on page 51 The analog channel Volts Div value is displayed in the status line The default mode for expanding the signal when you turn the volts division knob is vertica...

Page 50: ...channel coupling DC DC coupling is useful for viewing waveforms as low as 0 Hz that do not have large DC offsets AC AC coupling is useful for viewing waveforms with large DC offsets AC coupling places...

Page 51: ...change the channel s vertical sensitivity in smaller increments The channel sensitivity remains fully calibrated when Fine is on The vertical scale value is displayed in the status line at the top of...

Page 52: ...862A B N2863A B N2889A N2890A 10073C 10074C or 1165A probes See Also To specify the channel units on page 52 To specify the probe attenuation on page 52 To specify the probe skew on page 53 To specify...

Page 53: ...V A When specifying the attenuation factor in decibels you can select values from 20 dB to 80 dB If Amps is chosen as the units and a manual attenuation factor is chosen then the units as well as the...

Page 54: ...54 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 3 Vertical Controls...

Page 55: ...analog bus display 4 To assign channels to the bus press the Channel softkey turn the Entry knob to select the channel and then press Channel again to include or exclude the channel in the bus 5 To s...

Page 56: ...EDUX1052A G Oscilloscopes User s Guide 4 Analog Bus Display The bus values display appears at the bottom of the graticule above any serial bus waveforms if present Channel 1 is the least significant b...

Page 57: ...ut for the horizontal axis changes from time to frequency Hertz and the vertical readout changes from volts to dB Use the FFT function to find crosstalk problems to find distortion problems in analog...

Page 58: ...ertical Units lets you select Decibels or V RMS as the units for the FFT vertical scale Auto Setup sets the frequency Span and Center to values that will cause the entire available spectrum to be disp...

Page 59: ...e peak to peak maximum minimum and average dB measurements on the FFT waveform You can also find the frequency value at the first occurrence of the waveform maximum by using the X at Max Y measurement...

Page 60: ...h between measurement functions and frequency domain controls in FFT menu Decreasing the effective sampling rate by selecting a greater time div setting will increase the low frequency resolution of t...

Page 61: ...ure cdn keysight com litweb pdf 5952 8898E pdf Additional information can be obtained from Chapter 4 of the book Spectrum and Network Measurements by Robert A Witte FFT Units 0 dBV is the amplitude of...

Page 62: ...e displayed at a lower aliased frequency The following figure illustrates aliasing This is the spectrum of a 990 Hz square wave which has many harmonics The horizontal time div setting for the square...

Page 63: ...rd repeats Unless there is an integral number of cycles of the sampled waveform in the record a discontinuity is created at the end of the record This is referred to as leakage In order to minimize sp...

Page 64: ...64 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 5 FFT Spectral Analysis...

Page 65: ...s 68 Math Transforms 70 Math Filters 74 Math functions can be performed on analog channels The resulting math waveform is displayed in light purple You can use a math function on a channel even if you...

Page 66: ...ly press the Source 1 softkey to make your selection If you choose a transform function FFT the result is displayed 5 If you select an arithmetic operator use the Source 2 softkey to select the second...

Page 67: ...ilable when you select an FFT or low pass filter math function in the previous step To adjust the math waveform scale and offset Use the multiplexed scale and position knobs next to the Math key to re...

Page 68: ...channels Add or Subtract on page 68 Multiply or Divide on page 69 Add or Subtract When you select add or subtract the Source 1 and Source 2 values are added or subtracted point by point and the resul...

Page 69: ...the multiply 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 t...

Page 70: ...FT Magnitude FFT Phase Using the Fast Fourier Transform FFT the FFT Magnitude math function displays the magnitudes of the frequency content that makes up the source waveform and the FFT Phase math fu...

Page 71: ...s caused by amplifier non linearity or for adjusting analog filters To display a FFT waveform 1 Press the Math key press the Function softkey and select f t press the Operator softkey and select FFT M...

Page 72: ...he span or above the maximum available frequency in which case the displayed spectrum will not take up the whole screen Press the Center softkey then turn the Entry knob to set the desired center freq...

Page 73: ...t The following 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 dB...

Page 74: ...on page 61 FFT Aliasing on page 62 FFT Spectral Leakage on page 63 Units for Math Waveforms on page 67 Math Filters You can use math filters to create a waveform that is the result of a low pass filt...

Page 75: ...Thompson filter Use the Bandwidth softkey to select the filter s 3 dB cutoff frequency NOTE The ratio of the input signal s Nyquist frequency and the selected 3 dB cutoff frequency affects how many po...

Page 76: ...76 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 6 Math Waveforms...

Page 77: ...compared against other waveforms One reference waveform can be displayed at a time You can adjust the vertical scale and offset of reference waveforms There is also a skew adjustment for reference wa...

Page 78: ...Features again or push the Entry knob to turn on the reference waveform 4 Press Save Clear 5 In the Save Clear menu press the Clear R1 R2 softkey to clear the reference waveform location Reference wa...

Page 79: ...ay the desired reference waveform see To display a reference waveform on page 78 2 Press the Scale softkey and turn the Entry knob to adjust the reference waveform vertical scale 3 Press the Offset so...

Page 80: ...display 5 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 test statistics e...

Page 81: ...hold voltage level must be set appropriately for each source channel The threshold level for each serial signal can be set in the Signals menu press Analyze Features select Serial Bus then press the S...

Page 82: ...n 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 8 Serial Bus Decode Trigger Chapter 28 SPI Triggering and Serial Decode starting on page 301 Chapter 29 UART RS232 Triggering and Serial Deco...

Page 83: ...d waveforms to account for 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 occurr...

Page 84: ...eysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 9 Display Settings Figure 13 Amplitude Modulation Shown at 100 Intensity Figure 14 Amplitude Modulation Shown at 40 Inten...

Page 85: ...s 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 the display P...

Page 86: ...figuring the Quick Action Key on page 246 To select the grid type When the Video trigger type is selected see Video Trigger on page 108 and the vertical scaling of at least one displayed channel is 14...

Page 87: ...is adjustable from 0 to 100 Each major vertical division in the grid corresponds to the vertical sensitivity shown in the status line at the top of the display Each major horizontal division in the gr...

Page 88: ...enter characters and move the cursor to the next character position press this softkey to enter characters and move the cursor to the previous character position Delete Character press the or softkeys...

Page 89: ...ms or markers 8 Press the Background softkey and turn the Entry knob to select the annotation background Opaque the annotation has a solid background Inverted the annotation s foreground and backgroun...

Page 90: ...the Quick Action key has been configured press it to freeze the display 2 To un freeze the display press Quick Action again Manual cursors can be used on the frozen display Many activities such as adj...

Page 91: ...ile you create 94 To reset the label library to the factory default 95 You can define labels and assign them to each analog input channel or you can turn labels off to increase the waveform display ar...

Page 92: ...uide 10 Labels 2 To turn the labels off press the Display softkey again To assign a predefined label to a channel 1 Press Display Labels Edit 2 Press the Channel softkey then turn the Entry knob or su...

Page 93: ...ress 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 Displ...

Page 94: ...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 Th...

Page 95: ...not save 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 ex...

Page 96: ...UX1052A G Oscilloscopes User s Guide 10 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 t...

Page 97: ...18 A trigger setup tells 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 lev...

Page 98: ...ting on page 121 You can save trigger setups along with the oscilloscope setup see Chapter 20 Save Recall Setups Screens Data starting on page 215 Triggers General Information A triggered waveform is...

Page 99: ...er line supplied to the oscilloscope Forcing a Trigger The Force key causes a trigger on anything and displays the acquisition This key is useful in the Normal trigger mode where acquisitions are made...

Page 100: ...he rising edge of the waveform generator output signal Not available when the DC or Noise waveforms are selected WaveGen Mod FSK FM when waveform generator FSK or FM modulation is used triggers at the...

Page 101: ...gnals Either 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...

Page 102: ...the Trigger key 2 In the Trigger menu press the Trigger Type softkey 3 Press the Trigger Type softkey then turn the Entry knob to select Pulse Width 4 Press the Source softkey then rotate the Entry k...

Page 103: ...rue When triggering on a negative pulse the trigger will occur on the low to high transition of the pulse if the qualifying condition is true 7 Press the qualifier softkey to select the time qualifier...

Page 104: ...gger condition by looking for a specified pattern This pattern is a logical AND combination of the channels Each channel can have a value of 0 low 1 high or don t care X A rising or falling edge can b...

Page 105: ...channels 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...

Page 106: ...ling transition from one level to another level in greater than or less than a certain amount of time 1 Press the Trigger key 2 In the Trigger menu press the Trigger Type softkey 3 Press the Trigger T...

Page 107: ...han or less than 9 Press the Time softkey and turn the Entry knob to select the time Setup and Hold Trigger On DSOX1200 Series oscilloscopes the Setup and Hold trigger looks for setup and hold violati...

Page 108: ...to select the setup time 10 Press the Hold softkey and turn the Entry knob to select the hold time Video Trigger Video triggering can be used to capture the complicated waveforms of most standard anal...

Page 109: ...er source is displayed in the upper right corner of the display Turning the Trigger Level knob does not change the trigger level because the trigger level is automatically set to the sync pulse Trigge...

Page 110: ...ess the Settings softkey 7 In the Video Trigger menu press the Standard softkey to set the video standard The oscilloscope supports triggering on the following television TV and video standards NOTE P...

Page 111: ...lso press Analyze Features and then select Video to quickly access the video triggering automatic set up and display options 9 Press the Mode softkey to select the portion of the video signal that you...

Page 112: ...specific line of video Video triggering requires greater than 1 2 division of sync amplitude with any analog channel as the trigger source Turning the trigger Level knob in Video trigger does not cha...

Page 113: ...sync pulses When All Lines 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 Type softke...

Page 114: ...ld 1 or Field 2 available for interleaved standards When a specific field is selected the oscilloscope triggers on the rising edge of the first serration pulse in the vertical sync interval in the spe...

Page 115: ...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 Type softkey 3 Press the Trigger Type softkey then turn the...

Page 116: ...r menu press the Trigger Type softkey 3 Press the Trigger Type softkey then turn the Entry knob to select Video 4 Press the Settings softkey then press the Standard softkey to select the appropriate T...

Page 117: ...ing the Field Holdoff 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 on...

Page 118: ...Bus Decode Trigger starting on page 81 you can enable serial trigger types To set up these triggers see CAN Triggering on page 277 I2C Triggering on page 286 LIN Triggering on page 295 Table 2 Half f...

Page 119: ...Triggers 11 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 119 SPI Triggering on page 307 UART RS232 Triggering on page 315...

Page 120: ...120 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 11 Triggers...

Page 121: ...o or Normal trigger mode 122 To select the trigger coupling 124 To enable or disable trigger noise rejection 125 To enable or disable trigger HF Reject 125 To set the trigger holdoff 126 External Trig...

Page 122: ...hen triggers are not occurring In the Auto trigger mode the default setting if the specified trigger conditions are not found triggers are forced and acquisitions are made so that signal activity is d...

Page 123: ...ger buffer has filled and forced triggers and acquisitions are occurring Auto not flashing the trigger condition is found or the pre trigger buffer is being filled In the Normal trigger mode the trigg...

Page 124: ...sition the time reference left center right on page 46 To select the trigger coupling 1 Press the Trigger key 2 In the Trigger menu press the Coupling softkey then turn the Entry knob to select DC cou...

Page 125: ...is independent of Channel Coupling see To specify channel coupling on page 50 To enable or disable trigger noise rejection Noise Rej adds additional hysteresis to the trigger circuitry By increasing...

Page 126: ...ger holdoff Trigger holdoff sets the amount of time the oscilloscope waits after a trigger before re arming the trigger circuitry Use the holdoff to trigger on repetitive waveforms that have multiple...

Page 127: ...Trigger Input The external trigger input can be used as a source in several of the trigger types On 4 channel oscilloscopes the external trigger BNC input is on the rear panel and is labeled EXT TRIG...

Page 128: ...sults channel sensitivity and the trigger level will reflect the measurement units you have selected 3 Press the Probe softkey then turn the entry knob to specify the probe attenuation The attenuation...

Page 129: ...stem Run 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 a...

Page 130: ...lloscope 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...

Page 131: ...fMAX in 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...

Page 132: ...fMAX fBW in 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 o...

Page 133: ...ght com litweb 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 respo...

Page 134: ...frequency 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 s...

Page 135: ...the acquisition time increases 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 s...

Page 136: ...ion Mode 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...

Page 137: ...Acquisition Control 13 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 137 Figure 24 Sine With Glitch Normal Mode Figure 25 Sine With Glitch Peak Detect Mode...

Page 138: ...rea boundary 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...

Page 139: ...nds to changes 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...

Page 140: ...ical resolution 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 divisi...

Page 141: ...on page 142 to show infinite persistence across all acquired segments See also To set or clear persistence on page 85 for details To acquire to segmented memory 1 Set up a trigger condition See Chapt...

Page 142: ...om Segmented Memory on page 143 Navigating Segments 1 Press the Current Seg softkey and turn the Entry knob to display the desired segment along with a time tag indicating the time from the first trig...

Page 143: ...ve Segment Current or all segments Save Segment All in the following data formats CSV ASCII XY and BIN Be sure to set the Length control to capture enough points to accurately represent the captured d...

Page 144: ...144 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 13 Acquisition Control...

Page 145: ...X cursors 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 l...

Page 146: ...s display channel 2 values Volts or Amps When active the Y1 and Y2 cursor values for the selected waveform source are displayed in the softkey menu area The difference between Y1 and Y2 Y is displayed...

Page 147: ...Waveform As you move a marker horizontally the vertical amplitude of the waveform is tracked and measured The time and voltage positions are shown for the markers The vertical Y and horizontal X diff...

Page 148: ...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 s to be adjusted Push the...

Page 149: ...ted use the Use X Cursors 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 Ra...

Page 150: ...150 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 14 Cursors Cursor Examples Figure 28 Cursors used to measure pulse widths other than middle threshold points...

Page 151: ...InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 151 Expand the display with Zoom mode then characterize the event of interest with the cursors Figure 29 Cursors measure frequen...

Page 152: ...ht InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 14 Cursors Put the X1 cursor on one side of a pulse and the X2 cursor on the other side of the pulse Figure 30 Cursors track Z...

Page 153: ...Vision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 153 Press the X1 X2 linked softkey and move the cursors together to check for pulse width variations in a pulse train Figure 31 Measurin...

Page 154: ...154 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 14 Cursors Figure 32 Moving the cursors together to check pulse width variations...

Page 155: ...nformation area at the bottom of the screen Cursors are turned on to show the portion of the waveform being measured for the most recently added measurement NOTE Post Acquisition Processing In additio...

Page 156: ...r reference waveforms that are displayed are available for measurements If a portion of the waveform required for a measurement is not displayed or does not display enough resolution to make the measu...

Page 157: ...aking one or more measurements press the Clear Meas softkey and choose the measurement to clear or press Clear All After all measurements have been cleared when Meas is pressed again the default measu...

Page 158: ...170 Measures between two sources Press Settings to specify the second source Duty Cycle on page 170 Fall Time on page 170 Frequency on page 168 Maximum on page 160 Yes Minimum on page 161 Yes Rising E...

Page 159: ...You can also configure the Quick Action key to display the Snapshot All popup See Configuring the Quick Action Key on page 246 DC RMS on page 164 AC RMS on page 165 Top on page 161 Width on page 169...

Page 160: ...ms are described in Units for Math Waveforms on page 67 Peak Peak on page 160 Maximum on page 160 Minimum on page 161 Amplitude on page 161 Top on page 161 Base on page 162 Overshoot on page 162 Presh...

Page 161: ...Top of a waveform is the mode most common value of the upper part of the waveform or if the mode is not well defined the top is the same as Maximum The Y cursor shows the value being measured See Als...

Page 162: ...ase is the same as Minimum The Y cursor shows the value being measured Overshoot Overshoot is distortion that follows a major edge transition expressed as a percentage of Amplitude The X cursors show...

Page 163: ...tion that precedes a major edge transition expressed as a percentage of Amplitude The X cursors show which edge is being measured edge closest to the trigger reference point Figure 34 Automatic Oversh...

Page 164: ...sures the value on all displayed data points The N Cycles measurement interval variation measures the value on an integral number of periods of the displayed signal If less than three edges are presen...

Page 165: ...nterval measures the value on an integral number of periods of the displayed signal If less than three edges are present the measurement shows No edges The X cursors show the interval of the waveform...

Page 166: ...n is calculated as follows where x the mean N the number of measurements taken xi the ith measurement result The standard deviation is calculated as follows where the standard deviation N the number o...

Page 167: ...e 169 Width on page 169 Bit Rate on page 169 Duty Cycle on page 170 Rise Time on page 170 Fall Time on page 170 Delay on page 170 Phase on page 171 X at Min Y on page 173 X at Max Y on page 173 Period...

Page 168: ...t portion of the waveform is being measured The Y cursor shows the middle threshold point See Also To isolate an event for frequency measurement on page 168 To isolate an event for frequency measureme...

Page 169: ...set correctly The Y cursor shows the threshold level used in the measurement Analog and Ext Trig channels can be selected as the source On 4 channel oscilloscope models you must set up an edge trigge...

Page 170: ...s show the 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 negativ...

Page 171: ...lay measurement The default Delay settings measure from the rising edge of channel 1 to the rising edge of channel 2 5 Press the Back key to return to the Measurement menu 6 Press the Add Measurement...

Page 172: ...the Entry 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...

Page 173: ...t Min Y 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...

Page 174: ...Count on page 174 Negative Pulse Count on page 174 Rising Edge Count on page 175 Falling Edges Count on page 175 Positive Pulse Count The Positive Pulse Count measurement is a pulse count for the sele...

Page 175: ...ce This measurement is available for analog channels Measurement Thresholds Setting measurement thresholds defines the vertical levels where measurements will be taken on an analog channel or math wav...

Page 176: ...units for absolute threshold for each channel is set in the channel probe menu When the Source is set to Math f t the threshold Type can only be set to Percent 4 Press the Lower softkey then turn the...

Page 177: ...the middle value to be less than the upper value The default upper threshold is 90 or 1 50 V when absolute thresholds are selected If threshold Type is set to the upper threshold value can be set from...

Page 178: ...178 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 15 Measurements...

Page 179: ...region of the oscilloscope s display in which 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 operate...

Page 180: ...sired analog 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...

Page 181: ...finite persistence is off when mask test is enabled it is switched on when mask test is switched on then infinite persistence is switched off when mask test is switched off Troubleshooting Mask Setup...

Page 182: ...lloscope will run When the selected time has passed the oscilloscope will stop The specified time may be exceeded If an error occurs the action specified using the On Error softkey will occur The actu...

Page 183: ...e same time For example you can select both Stop and Measure to cause the oscilloscope to measure and stop on the first error On G suffix oscilloscope models that have a built in waveform generator yo...

Page 184: ...sk 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 tenths of seconds And fo...

Page 185: ...m the oscilloscope display To manually modify a mask file You can manually modify a mask file that you created using the Automask function 1 Follow the steps 1 7 in To create a mask from a golden wave...

Page 186: ...y 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 bottom left to right An Automask file contains two special regions the region glued...

Page 187: ...k file to voltage Y Ynorm Y Y1 where Y Y2 Y1 The X values normally time are normalized in the file using the following equation Xnorm X X1 X To convert the normalized X values to time X Xnorm X X1 Osc...

Page 188: ...ng mask uses all eight mask regions The most difficult part of creating a mask file is normalizing the X and Y values from the time and voltage values This example shows an easy way to convert voltage...

Page 189: ...ber 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 Region Number 6 Number of vertices 6 05 00 1 000 02 50 0 500 02 50 0 500 05 00 1 000 02 50 1 500 02 50 1 500 Regi...

Page 190: ...00 Y2 1 00000E 0 0 MTES RMOD FOR RMOD TIME 1E 00 WAV 1000 SIGM 6 0E 00 MTES RMOD FACT STOP 0 PRIN 0 SAVE 0 end_setup In a mask file all region definitions need to be separated by a blank line Mask reg...

Page 191: ...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 200 x 640 for the waveform viewi...

Page 192: ...192 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 16 Mask Testing...

Page 193: ...play is a 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 Probe menu After pre...

Page 194: ...s then select 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 mea...

Page 195: ...e selected 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 trigg...

Page 196: ...196 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 17 Digital Voltmeter...

Page 197: ...f frequencies while measuring the input to and output from a device under test DUT At each frequency gain A and phase are measured and plotted on a frequency response Bode chart When the frequency res...

Page 198: ...es User s Guide 18 Frequency Response Analysis To set up and run the analysis 1 Press the Analyze key 2 Press Features then select Frequency Response Analysis 3 Press Features again to enable the feat...

Page 199: ...Analysis 18 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 199 4 Press the Setup softkey In the FRA Setup menu these softkeys are present for setting up the frequency...

Page 200: ...itude specifies the waveform generator amplitude Output Load specifies the waveform generator expected output load impedance The output impedance of the Gen Out signal is fixed at 50 ohms However the...

Page 201: ...le and Phase Offset softkeys to adjust the phase plot s vertical scale and offset Frequency use the Start Freq and Stop Freq softkeys to adjust the chart s starting and ending frequency values To togg...

Page 202: ...Trace lets you choose the plot s that are included in the chart Press this softkey then turn the Entry knob to select either gain or phase then push the knob or press the softkey again to enable or d...

Page 203: ...illoscope Waveform generator settings can be saved and recalled with oscilloscope setups See Chapter 20 Save Recall Setups Screens Data starting on page 215 To select generated waveform types and sett...

Page 204: ...iniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 19 Waveform Generator 3 Depending on the selected waveform type use the remaining softkeys and the Entry knob to set the waveform s...

Page 205: ...stment range narrows to not allow pulse widths less than 20 ns For example At 1 MHz the duty cycle can be adjusted from 2 to 98 At 5 MHz the duty cycle can be adjusted from 10 to 90 At 10 MHz the duty...

Page 206: ...coarse and fine adjustments for frequency period and width Also pushing the Entry knob is a quick way to toggle between coarse and fine adjustments The Settings softkey opens the Wave Gen Settings me...

Page 207: ...and High levels 1 If the Wave Gen menu is not currently displayed on the oscilloscope s softkeys press the Wave Gen key 2 In the Wave Gen menu press the Settings softkey 3 In the Wave Gen Settings me...

Page 208: ...r on page 99 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 carrier signal is modified acco...

Page 209: ...e modulating signal See To set up Frequency Modulation FM on page 210 Frequency Shift Keying Modulation FSK the output frequency shifts between the original carrier frequency and a hop frequency at th...

Page 210: ...causes the output amplitude to vary from 10 to 90 90 10 80 of the original amplitude as the modulating signal goes from its minimum to maximum amplitude The following screen shows an AM modulation of...

Page 211: ...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 is at its...

Page 212: ...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...

Page 213: ...lts 1 If the Wave Gen menu is not currently displayed on the oscilloscope s softkeys press the Wave Gen key 2 In the Wave Gen menu press the Settings softkey 3 In the Wave Gen Settings menu press the...

Page 214: ...214 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 19 Waveform Generator...

Page 215: ...ge device and recalled 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 s...

Page 216: ...for each displayed channel This format is also suitable for spreadsheets See To save CSV ASCII XY or BIN data files on page 218 Reference Waveform data h5 Saves waveform data in a format that can be...

Page 217: ...221 3 Finally press the Press to Save softkey A message indicating whether the save was successful is displayed Setup files have the extension SCP These extensions appear when using the File Explorer...

Page 218: ...horizontal trigger acquisition math and display settings is also saved in a separate file with a TXT extension Length sets the number of data points that will be output to the file For more informati...

Page 219: ...ne channel of a pair is turned on Channels 1 and 2 are one pair channels 3 and 4 are the other Acquisition memory is divided among the channels in a pair On 2 channel oscilloscope models whether the e...

Page 220: ...e these softkeys and options Setup Info when enabled setup information vertical horizontal trigger acquisition math and display settings is also saved in a separate file with a TXT extension 4 Finally...

Page 221: ...files have the extension MSK See Also Chapter 16 Mask Testing starting on page 179 To navigate storage locations When saving or recalling files the softkey in the second position of the Save menu or R...

Page 222: ...try knob to select the character at the current position Enter press this softkey to enter characters and move the cursor to the next character position Pushing the Entry knob is the same as pressing...

Page 223: ...xternal USB storage device 1 Press Save Recall Recall Recall then turn the Entry knob to select Setup scp 2 Press the softkey in the second position and use the Entry knob to navigate to the file to r...

Page 224: ...o Recall softkey A message indicating whether the recall was successful is displayed 7 If you would like to clear the display of everything except the reference waveform press Clear Display Recalling...

Page 225: ...s User s Guide 225 3 In the Default menu press Secure Erase This performs a secure erase of all non volatile memory in compliance with National Industrial Security Program Operation Manual NISPOM Chap...

Page 226: ...226 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 20 Save Recall Setups Screens Data...

Page 227: ...ct a USB printer to the rectangular USB host port on the front panel For the most up to date information on printers that are compatible with the InfiniiVision oscilloscopes please visit www keysight...

Page 228: ...e Cancel Print softkey You can also configure the Quick Action key to print the display See Configuring the Quick Action Key on page 246 See Also To add an annotation on page 87 NOTE The oscilloscope...

Page 229: ...of a network enabled printer for example 192 168 1 100 or 192 168 1 100 650 Optionally a non standard port number can be specified following a colon IP address of a print server followed by the path...

Page 230: ...nd before the setup information is printed Switch Form Feed off if you want setup information printed on the same sheet of paper with the waveform This option only has an effect when the Setup Informa...

Page 231: ...Key 246 This chapter explains oscilloscope utility functions I O Interface Settings The oscilloscope can be accessed and or controlled remotely via these I O interfaces USB device port on the rear pan...

Page 232: ...is connected to a LAN The oscilloscope s Programmer s Guide Setting up the Oscilloscope s LAN Connection You can place the oscilloscope on the network and set up its LAN connection Once that is done...

Page 233: ...ess Utility I O LAN Reset In a few moments the oscilloscope will connect to the network Manual Configuration 1 Get the oscilloscope s network parameters host name IP address subnet mask gateway IP DNS...

Page 234: ...ight com find parts 5 Cycle power on the oscilloscope Wait until the LAN connection is configured Press Utility I O and wait until the LAN status shows configured This may take a few minutes Now the i...

Page 235: ...and use the Entry knob to navigate The softkey in the first position can have these labels Press to go when you can push the Entry knob to navigate to a new folder or storage location Location when p...

Page 236: ...of these formats When the USB mass storage device is connected to the oscilloscope s USB host port a small four color circle icon may be displayed briefly as the USB storage device is read You must e...

Page 237: ...move when you adjust the vertical sensitivity volts division control If the ground level is off screen the waveform will expand about the top or bottom edge of the screen based on where the ground is...

Page 238: ...e screen saver can be set to Off to display any of the images shown in the list or can display a user defined text string If User is selected press the Spell softkey to select the first character of t...

Page 239: ...ale Pref menu you can Press the Fast Debug softkey enable disable this type of autoscale When fast debug is enabled autoscale lets you make quick visual comparisons to determine whether the signal bei...

Page 240: ...rent date and time 1 Press Utility Options Clock 2 Press the Year Month Day Hour or Minute softkey then rotate the Entry knob to set to the appropriate number 3 Press the Time Zone softkey then rotate...

Page 241: ...is is 0 5 V See Chapter 11 Triggers starting on page 97 Mask The mask test failure output A 5 volt pulse occurs when the mask test fails When the mask test passes no pulse occurs and the signal remain...

Page 242: ...s are logged to a text file on a connected USB storage device logged to the screen or both 4 Press Write Mode to specify whether logged commands will be created in a new list or appended to existing l...

Page 243: ...e 246 To return the instrument on page 246 To perform user calibration User Calibration performs an internal self alignment routine to optimize the signal path in the oscilloscope The routine uses int...

Page 244: ...operation For additional information to better describe an oscilloscope failure To verify proper operation after the oscilloscope has been repaired Successfully passing Hardware Self Test does not gua...

Page 245: ...rations for probes that can be calibrated Note that passive probes do not need to be calibrated Results User Cal date Change in temperature since last User Cal Failure Comments Probe Cal Status To cle...

Page 246: ...nd contactus 1 Write the following information on a tag and attach it to the oscilloscope Name and address of owner Model number Serial number Description of service required or failure indication 2 R...

Page 247: ...starting on page 227 Quick Save saves the current image waveform data or setup Press Settings to set up the save options See Chapter 20 Save Recall Setups Screens Data starting on page 215 Quick Reca...

Page 248: ...248 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 22 Utility Settings...

Page 249: ...number serial number host name IP address and VISA address connect string Control the oscilloscope using the Remote Front Panel Send SCPI Standard Commands for Programmable Instrumentation remote pro...

Page 250: ...connection 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 233 or establish a point to point con...

Page 251: ...User s Guide 251 Control Instrument The web interface s Browser Web Control page gives you access to The Browser Based Remote Front Panel see Remote Front Panel on page 252 The SCPI Command window app...

Page 252: ...cope s web interface is displayed select Control Instrument then select Use Remote Front Panel After a few seconds the Remote Front Panel appears 3 Click keys or knobs that you would normally press on...

Page 253: ...IO Libraries from within a programming environment like Microsoft Visual Studio see Remote Programming with Keysight IO Libraries on page 254 To send remote programming commands to the oscilloscope v...

Page 254: ...b Information about controlling the oscilloscope through remote commands is contained in the Programmer s Guide You can access this document on the Keysight web site For more information about connect...

Page 255: ...data files or mask files from your PC via the oscilloscope s web interface see Recalling Files via the Web Interface on page 256 Saving Files via the Web Interface To save setup files screen images wa...

Page 256: ...The current acquisition is saved d In the File Download dialog click Save e In the Save As dialog navigate to the folder where you want to save the file then click Save Recalling Files via the Web In...

Page 257: ...ect the Recall to Reference Waveform option d Click Recall Identification Function The Identification web interface feature is useful when trying to locate a specific instrument in a rack of equipment...

Page 258: ...front panel identification indicator check box or press the OK softkey on the oscilloscope to continue Instrument Utilities The Instrument Utilities page of the web interface lets you View installed...

Page 259: ...emote users can still view the Welcome screen view network status etc but they cannot modify instrument settings without the password To set a password 1 Access the oscilloscope s web interface see Ac...

Page 260: ...of these things Select the gear icon in the upper right corner of the web page In the Password Options page click Change Password or Disable Password Another way to disable the password is to reset t...

Page 261: ...73 Product Markings and Regulatory Information 273 Specifications and Characteristics For up to date specifications and characteristics on the 1200 X Series oscilloscopes see the data sheet at www key...

Page 262: ...s portable tools and similar equipment Measurement category III is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring incl...

Page 263: ...Non operating to 15 300 m Overvoltage Category This product is intended to be powered by MAINS that comply to Overvoltage Category II which is typical of cord and plug connected equipment Pollution D...

Page 264: ...Center at www keysight com find PRC Software and Firmware Updates From time to time Keysight Technologies releases software and firmware updates for its products To search for firmware updates for you...

Page 265: ...nts Channel 2 data all segments Channel 3 data all segments Channel 4 data all segments Digital channel data all segments Math waveform data all segments When not saving all segments the number of wav...

Page 266: ...s the number of bytes in the header Waveform Type A 32 bit integer that is the type of waveform stored in the file 0 Unknown 1 Normal 2 Peak Detect 3 Average 4 Not used in InfiniiVision oscilloscopes...

Page 267: ...point number If the value is zero then no data has been acquired X Units A 32 bit integer that identifies the unit of measure for X values in the acquired data 0 Unknown 1 Volts 2 Seconds 3 Constant...

Page 268: ...eading Binary Data Examples of Binary Files Single Acquisition Multiple Analog Channels The following picture shows a binary file of a single acquisition with multiple analog channels Waveform Data He...

Page 269: ...N Number 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 Wavefor...

Page 270: ...ry acquisition 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 bu...

Page 271: ...2 140 bytes 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 N...

Page 272: ...Explanation When the oscilloscope s sample rate is 2 GSa s a sample will be taken every 500 ps If the horizontal scale is set to 10 us div there will be 100 us of data displayed because there are ten...

Page 273: ...separate collection for electrical and electronic equipment mandated under EU law as of August 13 2005 All electric and electronic equipment are required to be separated from normal waste for disposal...

Page 274: ...es User s Guide 24 Reference The CSA mark is a registered trademark of the CSA International South Korean Certification KC mark includes the marking s identifier code which follows this format MSIP RE...

Page 275: ...sts of connecting the oscilloscope to a CAN signal using the CAN Signals menu to specify the signal source threshold voltage level baud rate and sample point To set up the oscilloscope to capture CAN...

Page 276: ...ud rate can be set to predefined 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 an...

Page 277: ...ignal Differential L H The CAN differential bus signals 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 conn...

Page 278: ...The oscilloscope will trigger on data frames matching the specified ID and data Press the Bits softkey to select the ID and set up the number of data bytes and values Error Frame The oscilloscope will...

Page 279: ...de 1 Press the Analyze key 2 Press Features then select Serial Bus 3 Press Features again or push the Entry knob to enable the serial bus display 4 Press the Mode softkey then select CAN 5 If the osci...

Page 280: ...pears in green Data length code DLC appears in blue for data frames and green for remote frames Data bytes appear in hex digits in white for data frames Cyclic redundancy check CRC appears in hex digi...

Page 281: ...are drawn in red with a label Flagged error frames are drawn in red with an ERR label CAN Totalizer The CAN totalizer provides a direct measure of bus quality and efficiency The CAN totalizer measure...

Page 282: ...remote data overload and active error frames The OVLD counter gives the total number of completed overload frames and their percentage of the total number of frames The ERR counter gives the total nu...

Page 283: ...e columns ID frame ID Type frame type RMT remote frame or Data DLC data length code Data data bytes CRC cyclic redundancy check Errors highlighted in red Errors can be Acknowledge Ack A Form Fo or Fra...

Page 284: ...284 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide 25 CAN Triggering and Serial Decode...

Page 285: ...us signals setup consists of connecting the oscilloscope to the serial data SDA line and the serial clock SCL line and then specifying the input signal threshold voltage levels To set up the oscillosc...

Page 286: ...l is used in decoding and it will become the trigger 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 interpret...

Page 287: ...Missing Acknowledge The oscilloscope triggers when SDA data is high during any Ack SCL clock bit Address with no Ack The oscilloscope triggers when the acknowledge of the selected address field is fa...

Page 288: ...e on the 26th 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 c...

Page 289: ...e 7 bit 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 st...

Page 290: ...then select I2C 5 Choose 7 bit or 8 bit address size Use 8 bit address size to include the R W bit as part of the address value or choose 7 bit address size to exclude the R W bit from the address va...

Page 291: ...dresses 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...

Page 292: ...in red Interpreting I2C Lister Data In addition to the standard Time column the I2C Lister contains these columns Restart indicated with an X Address colored blue for writes yellow for reads Data dat...

Page 293: ...ocal Interconnect Network signal setup consists of connecting the oscilloscope to a serial LIN signal specifying the signal source threshold voltage level baud rate sample point and other LIN signal p...

Page 294: ...Press the Baud Rate softkey to open the LIN Baud Rate menu 10 Press the Baud softkey then turn the Entry knob to select the baud rate that matches match your LIN bus signal The default baud rate is 19...

Page 295: ...the Sync Break softkey and select the minimum number of clocks that define a sync break in your LIN signal LIN Triggering To set up the oscilloscope to capture a LIN signal see Setup for LIN Signals o...

Page 296: ...marks the beginning the message frame ID Frame ID The oscilloscope triggers when a frame with an ID equal to the selected value is detected Use the Entry knob to select the value for the Frame ID ID...

Page 297: ...oscope to capture LIN signals see Setup for LIN Signals on page 293 For LIN triggering setup see LIN Triggering on page 295 To set up LIN serial decode 1 Press the Analyze key 2 Press Features then se...

Page 298: ...e parity bits in the identifier field ensure that the box under the Show Parity softkey is selected 6 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the h...

Page 299: ...ecksum 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 wit...

Page 300: ...AKE in 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...

Page 301: ...Series oscilloscopes support 4 wire SPI Clock MOSI MISO and CS Setup for SPI Signals Serial Peripheral Interface SPI signals setup consists of connecting the oscilloscope to a clock MOSI data MISO dat...

Page 302: ...l Decode 3 Press Features then select Serial Bus 4 Press Features again or push the Entry knob to enable the serial bus display 5 Press the Mode softkey then select SPI 6 Press the Signals softkey to...

Page 303: ...automatically 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 trig...

Page 304: ...ge level The threshold voltage level is used in decoding and it will become the trigger level when the trigger type is set to the selected serial decode slot 9 On 4 channel DSOX1200 Series oscilloscop...

Page 305: ...n the Entry knob to select the channel that is connected to a second SPI serial data line If the channel you selected is off switch it on The MISO label for the source channel is automatically set b P...

Page 306: ...when the framing signal is valid The framing signal must be valid for the entire data pattern If the framing signal is set to Timeout the oscilloscope generates it s own internal framing signal after...

Page 307: ...data pattern that occurs at the start of a frame The serial data string can be specified to be from 4 to 32 bits long When you select the SPI trigger type and Display Info is enabled a graphic is dis...

Page 308: ...signal 6 Press the Bits softkey and turn the 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 va...

Page 309: ...X softkey For SPI decode information see SPI Serial Decode on page 309 SPI Serial Decode To set up the oscilloscope to capture SPI signals see Setup for SPI Signals on page 301 For SPI triggering set...

Page 310: ...or least significant bit first LSB used when displaying data in the serial decode waveform 7 If the oscilloscope is stopped press the Run Stop key to acquire and decode data You can use the horizonta...

Page 311: ...exadecimal data values appear in white Decoded text is truncated at the end of the associated frame when there is insufficient space within frame boundaries Pink vertical bars indicate you need to exp...

Page 312: ...28 SPI Triggering and Serial Decode Interpreting SPI Lister Data In addition to the standard Time column the SPI Lister contains these columns Data data bytes MOSI and MISO Aliased data is highlighte...

Page 313: ...S232 triggering and serial decode is available on DSOX1200 Series and EDUX1052A G oscilloscopes Setup for UART RS232 Signals To set up the oscilloscope to capture UART RS232 signals 1 Press Display La...

Page 314: ...become the trigger level when the trigger type is set to the selected serial decode slot The RX and TX labels for the source channels are automatically set 8 Press the Back key to return to the Analy...

Page 315: ...esented after the start bit in the signal from your device under test For RS232 select LSB UART RS232 Triggering To set up the oscilloscope to capture UART RS 232 signals see Setup for UART RS232 Sign...

Page 316: ...er menu Note that the setting of this softkey does not affect the selected base of the decode display 6 Press the Trigger softkey and set up the desired trigger condition Rx Start Bit The oscilloscope...

Page 317: ...y Error Triggers on a parity error based on the parity you have set in the UART Bus Config menu 7 If you choose a trigger condition that includes Data in its description for example Rx Data then press...

Page 318: ...apture UART RS232 signals see Setup for UART RS232 Signals on page 313 For UART RS232 triggering setup see UART RS232 Triggering on page 315 To set up UART RS232 serial decode 1 Press the Analyze key...

Page 319: ...directly to the left of the ASCII value which is derived from the lower 8 bits 7 Optional Press the Framing softkey and select a value In the decode display the chosen value will be displayed in light...

Page 320: ...ayed on the left When a data word value is selected for framing it is displayed in light blue When using 9 bit data words the 9th bit will also be displayed in light blue Decoded text is truncated at...

Page 321: ...fficiency The totalizer appears on screen whenever UART RS232 Decode is ON in the Analyze menu The totalizer is running counting frames and calculating the percentage of error frames even when the osc...

Page 322: ...ode Interpreting UART RS232 Lister Data In addition to the standard Time column the UART RS232 Lister contains these columns Rx receive data Tx transmit data Errors highlighted in red Parity Error or...

Page 323: ...al trigger 128 Auto Increment 222 Auto Scale key 29 Auto Setup FFT 58 71 73 Auto trigger mode 122 Auto trigger indicator 123 AutoIP 233 234 automatic measurements 155 157 Autoscale 24 Autoscale prefer...

Page 324: ...32 depth AM modulation 210 deviation FM modulation 211 DHCP 233 234 digital voltmeter DVM 193 digital waveform external trigger input 128 disable network password 260 Display key 30 display multiple...

Page 325: ...nsity 87 graticule type 86 grid intensity 87 grid type 86 ground level 48 Ground terminal 32 H Hanning FFT window 58 72 hardware self test 244 Help key 32 help built in 36 HF Reject 125 high frequency...

Page 326: ...ey 233 modulation waveform generator output 208 Multicast DNS 233 Multiply math function 69 N N8900A Infiniium Offline oscilloscope analysis software 216 navigate files 234 network configuration param...

Page 327: ...s 254 remote programming web interface 252 required oscilloscope bandwidth 134 restart condition I2C trigger 287 results frequency response analysis FRA 200 return instrument for service 246 Rise time...

Page 328: ...est 183 241 trigger type CAN 277 trigger type edge 99 trigger type glitch 102 trigger type I2C 286 trigger type LIN 295 trigger type pattern 104 trigger type pulse width 102 trigger type rise fall tim...

Page 329: ...enerator 203 waveform cursor tracking 147 waveform intensity 83 waveform printing 227 waveform reference point 237 waveform saving exporting 215 web interface 249 web interface accessing 250 white noi...

Page 330: ...330 Keysight InfiniiVision 1200 X Series and EDUX1052A G Oscilloscopes User s Guide Index...

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