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 National Instruments Corporation

13

NI 5450 Calibration Procedure

Table 4.  

NI 5153/5154 Input Parameters for Vertical Offset Accuracy 

and Vertical Gain Accuracy Verification

Iteration

NI 5153

Max Input 
Frequency 

NI 5154

Max Input 
Frequency 

Range

(V

pp

)

1

500 MHz

1 GHz

0.1

2

500 MHz

1 GHz

0.2

3

500 MHz

1 GHz

0.5

4

500 MHz

1 GHz

1

5

500 MHz

1 GHz

2

6

500 MHz

1 GHz

5

7

20 MHz

20 MHz

0.1

8

20 MHz

20 MHz

0.2

9

20 MHz

20 MHz

0.5

10

20 MHz

20 MHz

1

11

20 MHz

20 MHz

2

12

20 MHz

20 MHz

5

Содержание PXI-5152

Страница 1: ...Requirements 3 Documentation Requirements 4 Password 5 Calibration Interval 5 External Calibration 5 Self Calibration 5 Test Equipment 5 Test Conditions 7 Calibration Procedures 8 Initial Setup 8 Sel...

Страница 2: ...Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text also denotes parameter names italic Italic text denotes variables emphasis a c...

Страница 3: ...ndows CVI the NI SCOPE function panel niScopeCal fp provides further help on the functions available in CVI Refer to Table 1 for installed file locations Calibration functions are LabVIEW VIs or C fun...

Страница 4: ...OPE API including calibration functions IVI Lib msc niscope lib NI SCOPE library for Microsoft C containing the entire NI SCOPE API including calibration functions LabVIEW examples instr niScope Direc...

Страница 5: ...nce every two years You can shorten this interval based on the accuracy demands of your application Refer to Appendix A Calibration Options for more information Self Calibration Self calibration can b...

Страница 6: ...10 Test Head DC Accuracy DC 0 025 25 V into 1 M or 50 Bandwidth Trigger Sensitivity NI 5152 2 output amplitude flatness for leveled sine wave up to 300 MHz relative to 50 kHz into 50 NI 5153 3 output...

Страница 7: ...COPE driver is loaded Unless manually disabled NI SCOPE automatically loads with the operating system and enables the device The warm up time ensures that the measurement circuitry of the digitizer is...

Страница 8: ...tically stores the calibration date on the EEPROM to allow traceability 5 Reverification Repeat the verification procedure to ensure that the device is operating within its specifications after adjust...

Страница 9: ...select Self Calibrate from the drop down menu NI SCOPE SFP To initiate self calibration from the NI SCOPE SFP complete the following steps 1 Disconnect or disable any AC inputs to the digitizer 2 Laun...

Страница 10: ...r 4 End the session using the niScope Close VI LabVIEW VI C C Function Call Call niScope_init with the following parameters vi The returned session handle that you use to identify the instrument in al...

Страница 11: ...ifying both vertical offset accuracy and vertical gain accuracy To verify vertical offset accuracy complete the procedures described in the Vertical Offset Accuracy section for each of the iterations...

Страница 12: ...1 16 1 M 300 MHz 0 2 17 1 M 300 MHz 0 4 18 1 M 300 MHz 1 19 1 M 300 MHz 2 20 1 M 300 MHz 4 21 1 M 300 MHz 10 22 1 M 20 MHz 0 1 23 1 M 20 MHz 0 2 24 1 M 20 MHz 0 4 25 1 M 20 MHz 1 26 1 M 20 MHz 2 27 1...

Страница 13: ...rtical Gain Accuracy Verification Iteration NI 5153 Max Input Frequency NI 5154 Max Input Frequency Range Vpp 1 500 MHz 1 GHz 0 1 2 500 MHz 1 GHz 0 2 3 500 MHz 1 GHz 0 5 4 500 MHz 1 GHz 1 5 500 MHz 1...

Страница 14: ...and input frequency for the channel using the niScope Configure Chan Characteristics VI LabVIEW VI C C Function Call Call niScope_init with the following parameters resourceName The device name assig...

Страница 15: ...i The instrument handle from niScope_init channelList 0 range The Range value listed in Table 3 NI 5152 or Table 4 NI 5153 5154 for the current iteration offset 0 0 coupling NISCOPE_VAL_DC probeAttenu...

Страница 16: ...of the VI Compare the resulting average voltage to the value listed under the Calibration Test Limits or Published Specifications column in Table 5 NI 5152 or Table 6 NI 5153 5154 that corresponds to...

Страница 17: ...ndle from niScope_init Table 5 NI 5152 Vertical Offset Calibration Test Limits and Published Specifications Range Vpp Calibration Test Limits V Published Specification V Positive Negative Positive Neg...

Страница 18: ...niScope_init with the following parameters resourceName The device name assigned by MAX idQuery VI_FALSE resetDevice VI_TRUE LabVIEW VI NI SCOPE Function Call Call niScope_ConfigureChan Characteristic...

Страница 19: ...The instrument handle from niScope_init coupling NISCOPE_VAL_DC probeAttenuation 1 0 channelList 0 range The Range value listed in Table 3 NI 5152 or Table 4 NI 5153 5154 for the current iteration off...

Страница 20: ...verage measurement using the niScope Fetch Measurement poly VI Select the Measurement Scalar DBL instance of the VI The resulting value is the Measured Positive Input Voltage used in step 14 10 Using...

Страница 21: ...c the applied Positive Input Voltage d the applied Negative Input Voltage Compare the resulting percent error to the Calibration Test Limits or the Published Specifications listed in Table 7 NI 5152 o...

Страница 22: ...V Positive Input V Negative Input V Calibration Test Limits Published Specifications Positive Negative Positive Negative 0 1 0 045 0 045 1 00 1 00 1 26 1 26 0 2 0 09 0 09 1 00 1 00 1 26 1 26 0 4 0 18...

Страница 23: ...VI 2 0 9 0 9 1 732 1 732 2 900 2 900 5 2 25 2 25 1 732 1 732 2 900 2 900 LabVIEW VI C C Function Call Call niScope_init with the following parameters resourceName The device name assigned by MAX idQu...

Страница 24: ...iScope_init coupling NISCOPE_VAL_DC probeAttenuation 1 0 channelList 0 range The Range value listed in Table 9 for the current iteration offset The Positive Offset value listed in Table 9 for the curr...

Страница 25: ...on VI 10 Fetch a waveform from the digitizer and perform a voltage average measurement using the niScope Fetch Measurement poly VI Select the Measurement Scalar DBL instance of the VI The resulting va...

Страница 26: ...izer and perform a voltage average measurement using the niScope Fetch Measurement poly VI Select LabVIEW VI C C Function Call Call niScope_ConfigureVertical with the following parameters vi The instr...

Страница 27: ...the selected test limit the device has passed this portion of the verification 18 Repeat steps 2 through 17 for each iteration in Table 9 19 Move the calibrator test head to the channel 1 input of th...

Страница 28: ...ion Range Vpp Positive Offset V Negative Offset V Calibration Test Limits Published Specifications Positive Negative Positive Negative 1 0 1 0 9 0 9 0 8 0 8 0 9 0 9 2 0 2 0 9 0 9 0 8 0 8 0 9 0 9 3 0 4...

Страница 29: ...VI LabVIEW VI C C Function Call Call niScope_ConfigureChan Characteristics with the following parameters vi The instrument handle from niScope_init channelList 0 inputImpedance NISCOPE_VAL_50_OHM maxI...

Страница 30: ...atching and frequency of the calibrator to settle 8 Read the last external cal temperature using the niScope Cal Fetch Temperature VI LabVIEW VI C C Function Call Call niScope_Configure HorizontalTimi...

Страница 31: ...e absolute for the timestamp Type parameter LabVIEW VI C C Function Call Call niScope_SetAttribute ViBoolean with the following parameters vi The instrument handle from niScope_init attributeID NISCOP...

Страница 32: ...a the measured frequency 14 Calculate the Calibration Test Limits as parts per million ppm using the following formula where TempDelta C Device Temperature C Last external cal temperature C Compare t...

Страница 33: ...libration Test Limit Published Specification NI 5152 Calibration Test Limits Timebase Accuracy 30 ppm within 3 C of external calibration temperature Timebase Drift 7 ppm per C NI 5153 5154 Calibration...

Страница 34: ...re Chan Characteristics VI LabVIEW VI C C Function Call Call niScope_init with the following parameters resourceName The device name assigned by MAX idQuery VI_FALSE resetDevice VI_TRUE LabVIEW VI C C...

Страница 35: ...instrument handle from niScope_init coupling NISCOPE_VAL_DC probeAttenuation 1 0 channelList 0 range The Range value listed in Table 12 NI 5152 Table 13 NI 5153 or Table 14 NI 5154 for the current ite...

Страница 36: ...settle 8 Initiate a waveform acquisition using the niScope Initiate Acquisition VI 9 Fetch a waveform from the digitizer and perform a voltage RMS measurement using the niScope Fetch Measurement poly...

Страница 37: ...niScope_init enforceRealtime NISCOPE_VAL_TRUE numRecords 1 minSampleRate The Sample Rate value listed in Table 12 NI 5152 Table 13 NI 5153 or Table 14 NI 5154 for the current iteration refPosition 50...

Страница 38: ...voltage RMS measurement using the niScope Fetch Measurement poly VI Select the Measurement Scalar DBL instance of the VI The resulting value is the Measured RMS Voltage of Generated Sine Wave used in...

Страница 39: ...8 for each iteration in Table 12 NI 5152 Table 13 NI 5153 or Table 14 NI 5154 20 Move the calibrator test head to the channel 1 input of the digitizer and repeat steps 2 through 19 changing value of t...

Страница 40: ...VAL_FALSE 1 GS s N A 3 3 50 300 0 4 301 0 2 NISCOPE_ VAL_FALSE 1 GS s N A 3 4 50 300 1 301 0 5 NISCOPE_ VAL_FALSE 1 GS s N A 3 5 50 300 2 301 1 NISCOPE_ VAL_FALSE 1 GS s N A 3 6 50 300 4 301 2 NISCOP...

Страница 41: ...0 20 1 21 8 0 5 NISCOPE_ VAL_FALSE 1 GS s 2 5 N A Published specifications value listed for validation of noise filter only The specification is not included in the device specifications document Tabl...

Страница 42: ...MHz 0 2 501 0 1 NISCOPE_ VAL_FALSE 1 GS s N A 3 4 50 500 MHz 0 5 501 0 25 NISCOPE_ VAL_FALSE 1 GS s N A 3 5 50 500 MHz 1 501 0 5 NISCOPE_ VAL_FALSE 1 GS s N A 3 6 50 500 MHz 2 501 1 0 NISCOPE_ VAL_FA...

Страница 43: ...0 1 NISCOPE_ VAL_FALSE 1 GS s N A 3 4 50 1 GHz 0 5 1 001 GHz 0 25 NISCOPE_ VAL_FALSE 1 GS s N A 3 5 50 1 GHz 1 1 001 GHz 0 5 NISCOPE_ VAL_FALSE 1 GS s N A 3 6 50 1 GHz 2 1 001 GHz 1 0 NISCOPE_ VAL_FA...

Страница 44: ...Configure Chan Characteristics VI LabVIEW VI C C Function Call Call niScope_init with the following parameters resourceName The device name assigned by MAX idQuery VI_FALSE resetDevice VI_TRUE LabVIEW...

Страница 45: ...Scope_init coupling NISCOPE_VAL_DC probeAttenuation 1 0 channelList The ChannelList value listed in Table 15 NI 5152 or Table 16 NI 5153 5154 for the current iteration range The Range value listed in...

Страница 46: ...t The Channel List value in Table 15 NI 5152 or Table 16 NI 5153 5154 for the current iteration attributeID NISCOPE_ATTR_RIS_NUM_AVERAGES value 100 0 LabVIEW VI C C Function Call Call niScope_Configur...

Страница 47: ...t a cable from the 50 feedthrough terminator to the power splitter Connect a cable from the output of the signal generator to the power splitter 9 Configure the signal generator to 50 impedance and ou...

Страница 48: ...arameter vi The instrument handle from niScope_init timeout 2 0 channelList The Channel List value in Table 15 NI 5152 or Table 16 NI 5153 5154 for the current iteration numSamples 1 LabVIEW VI C C Fu...

Страница 49: ...waveform array is the Measured Positive Trigger Gain used in step 19 LabVIEW VI C C Function Call CallniScope_InitiateAcquisition with the following parameter vi The instrument handle from niScope_ini...

Страница 50: ...e instrument handle from niScope_init triggerCoupling NISCOPE_VAL_DC slope The Trigger Slope value in Table 15 NI 5152 or Table 16 NI 5154 for the current iteration triggerSource The Trigger Source va...

Страница 51: ...e value listed in Table 15 NI 5152 or Table 16 NI 5153 5154 for the current iteration Note Change the range value used to 10 Vpp when the trigger source is set to NISCOPE_VAL_EXTERNAL c the Measured P...

Страница 52: ...elected test limit the device has passed this portion of the verification 20 Repeat steps 2 through 19 for each iteration in Table 15 NI 5152 or Table 16 NI 5153 5154 21 End the session using the niSc...

Страница 53: ...p Trigger Level V Trigger Slope Calibration Test Limits Published Specifications Positive Negative 1 0 0 1 0 95 0 35 0 35 NISCOPE_ VAL_ POSITIVE 4 7 5 0 2 NISCOPE_ VAL_ NEGATIVE 3 1 1 1 0 95 0 35 0 35...

Страница 54: ...e Amplitude V pp Trigger Level V Trigger Slope Calibration Test Limits Published Specificati ons Positive Negative 1 0 0 1 0 95 0 35 0 35 NISCOPE_ VAL_ POSITIVE 4 7 5 0 2 NISCOPE_ VAL_ NEGATIVE 3 1 1...

Страница 55: ...5 and 6 1 Open a session and obtain a session handle using the niScope Initialize VI 2 Configure the input impedance and the maximum input frequency using the niScope Configure Chan Characteristics VI...

Страница 56: ...e following parameters vi The instrument handle from niScope_init coupling NISCOPE_VAL_DC probeAttenuation 1 0 channelList The channelList value from Table 17 for the current iteration range 1 offset...

Страница 57: ...ator to the external trigger channel TRIG 8 Configure the scope calibrator to output the signal listed under the Calibration Test Limits or the Published Specifications in Table 17 LabVIEW VI C C Func...

Страница 58: ...n to end the acquisition 12 Repeat steps 2 through 11 for each iteration in Table 17 13 End the session using the niScope Close VI You have finished verifying the trigger sensitivity for the NI 5152 5...

Страница 59: ...sed the entire verification procedure within the calibration test limits and you do not want to perform an adjustment you can update the calibration date and onboard calibration temperature without ma...

Страница 60: ...t steps 3 through 5 for each iteration in Table 18 NI 5152 or Table 19 NI 5153 5154 7 Move the scope calibrator test head to the digitizer input channel 1 and repeat steps 3 through 6 changing the val...

Страница 61: ...et to 10 MHz If you are not using a Fluke 9500B Wavetek 9500 calibrator connect a precise 10 MHz 1 Vpk pk sine or square wave source to the channel 0 input 14 Calibrate the sample rate of the digitize...

Страница 62: ...l Call niScope_CalSelfCalibrate with the following parameters vi The instrument handle from niScope_CalStart channelList VI_NULL option VI_NULL LabVIEW VI C C Function Call Call niScope_CalEnd with th...

Страница 63: ...Iteration Range Vpp Input V 1 5 0 45 2 2 0 45 3 1 0 45 4 0 5 0 18 5 0 2 0 09 6 0 1 0 045 7 5 0 45 8 2 0 45 9 1 0 45 10 0 5 0 18 11 0 2 0 09 12 0 1 0 045 Table 20 NI 5152 Input Parameters for External...

Страница 64: ...exceed its published specifications for a full calibration interval two years For this reason you must verify against the calibration test limits when performing verification after adjustment If all o...

Страница 65: ...mplete calibration procedure you verify that the measurement error falls within the calibration test limits Figure 1 shows the programming flow for complete calibration Figure 1 Complete Calibration P...

Страница 66: ...ion date effectively resetting the calibration interval without actually performing an adjustment Refer to the Adjustment section for more information If all of the measurement errors determined durin...

Страница 67: ...s Yes No Yes Results Within Published Specs Adjustment Optional Update Calibration Dates and Temperatures Without Adjusting No Adjust Anyway No Calibration Verification Complete Yes Document Post Adju...

Страница 68: ...n from My System Devices and Interfaces NI DAQmx Devices 2 Select the Calibration tab in the lower right corner You should see information about the last date and temperature for both external and sel...

Страница 69: ...or electronic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification If your product supports calibration you can obtain the calibration certific...

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