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9

Functional Tests
Contents of this Document

Contents of this Document

This chapter includes the following:

—

“Before Performing a Functional Test” on page 10

(what to do first).

—

“Test Equipment” on page 11

(a list of the equipment required for

all

of the

tests).

Subsequent chapters describe the following Functional Tests:

—

“Displayed Average Noise Level (DANL)” on page 15

—

“Frequency Readout Accuracy” on page 19

—

“Second Harmonic Distortion (SHD)” on page 23

—

“Amplitude Accuracy at 50 MHz” on page 27

—

“Amplitude Accuracy at 50 MHz” on page 27

—

“Frequency Response (Flatness)” on page 33

—

“Frequency Response (Flatness), Preamp On” on page 37

—

“Scale Fidelity” on page 41

Each functional test includes:

— Test limits (pass/fail criteria)
— A description of the test
— The equipment required for the test
— A figure showing how to connect the equipment
— Step-by-step instructions
— One or more tables in which to record the measurement results

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Содержание MXA N9020A

Страница 1: ...Functional Tests Keysight N9020A MXA Signal Analyzer ...

Страница 2: ...to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Software The EULA and the license set forth therein does not require or ...

Страница 3: ...To receive the latest updates by email subscribe to Keysight Email Updates at the following URL http www keysight com find MyKeysight Information on preventing instrument damage can be found at www keysight com find PreventingInstrumentRepair Is your product software up to date Periodically Keysight releases software updates to fix known defects and incorporate product enhancements To search for s...

Страница 4: ...ent 11 2 Displayed Average Noise Level DANL Procedure 16 3 Frequency Readout Accuracy Procedure 21 4 Second Harmonic Distortion SHD Procedure 25 5 Amplitude Accuracy at 50 MHz Procedure 29 Testing Preamp Option P03 P08 P13 P26 31 Procedure 31 6 Frequency Response Flatness Procedure 35 7 Frequency Response Flatness Preamp On Procedure 39 8 Scale Fidelity Procedure 43 ...

Страница 5: ...r incoming inspection or after a repair Measurement uncertainty analysis is not available for functional tests and the analyzer is checked against limits that are wider than the published specifications The functional tests are designed to test an analyzer operating within the temperature range defined by the analyzer specifications using a minimum set of test equipment If a test does not pass per...

Страница 6: ...unctional tests use limits that are wider than the published specifications measurement uncertainty analysis is not available for functional tests Performance verification tests span a wide range of instrument parameters and provide the highest level of confidence that the instrument conforms to published specifications These tests can be time consuming and require extensive test equipment If a fu...

Страница 7: ...NL on page 15 Frequency Readout Accuracy on page 19 Second Harmonic Distortion SHD on page 23 Amplitude Accuracy at 50 MHz on page 27 Amplitude Accuracy at 50 MHz on page 27 Frequency Response Flatness on page 33 Frequency Response Flatness Preamp On on page 37 Scale Fidelity on page 41 Each functional test includes Test limits pass fail criteria A description of the test The equipment required fo...

Страница 8: ... individual instrument documentation for warm up specifications 4 Ensure that the analyzer s frequency reference is set to Internal a Press the Input Output More Freq Ref In keys b If the Freq Ref In softkey does not show Internal press the Freq Ref In softkey and select Internal 5 Following instrument warm up perform the auto align routine Press System Alignments Align Now All Functional test acc...

Страница 9: ... f to SMA m Frequency 40 MHz 1250 1200 All Type N f to Type N f Frequency 10 MHz to 18 GHz VSWR 1 05 1 1250 1472 1250 0777 All Type N m to 3 5 mm m Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1743 All Type N m to 3 5 mm f Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1744 All Type N f to 3 5 mm f Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1745 All Type N m to BNC f Frequency 10 MHz to 1 GHz VSWR 1 05 ...

Страница 10: ...pe Cutoff Frequency 50 MHz Rejection at 65 MHz 40 dB Rejection at 75 MHz 60 dB Rejection at 80 MHz 60 dB Frequency 10 MHz to 26 5 GHz 54800B Miscellaneous Equipment All Filter 50 MHz Low Pass Cutoff Frequency 50 MHz Rejection at 65 MHz 40 dB Rejection at 75 MHz 60 dB Rejection at 80 MHz 60 dB Frequency 10 MHz to 26 5 GHz 0955 0306 526 Power Splitter 3 5 mm Nominal Insertion Loss 6 dB Tracking Betw...

Страница 11: ...a 10 kHz frequency span at several center frequencies The analyzer input is terminated into a 50Ω load A test is performed to assure the measurement is not performed in the presence of a residual response The measurement is then averaged and the result is normalized to a 1 Hz bandwidth Figure 2 1 DANL Test Setup Item Critical Specifications for this test Recommended Keysight Model Termination 50Ω ...

Страница 12: ...on 7 Confirm that the measurement is performed on the analyzer noise floor and not on a residual response within the displayed 10 kHz span 8 Enter the value of the display line as the Measured Average Noise Level at 10 MHz column in Table 2 1 9 Normalize the measured value to a 1 Hz BW by adding 30 dB to the measured value 10 Enter the normalized value of the displayed average noise level in Table...

Страница 13: ...eq Table 2 1 Value GHz 13 Repeat step 4 through step 12 to fill in the remainder of Table 2 1 for your analyzer frequency range Table 2 1 Displayed Average Noise Level DANL Results Center Frequency Measured Average Noise Level dBm Normalized Average Noise Level 1 Hz BW dBm Test Limits dBm 10 MHz 150 2 GHz 150 6 GHz 148 13 GHz 147 20 GHz 142 26 5 GHz 135 ...

Страница 14: ...analyzer synthesizer modes and prefilter bandwidths to be tested Frequency reference error is eliminated by using the same frequency standard for the analyzer and signal source Item Critical Specification for this test Recommended Keysight Model Adapter Type N m to 3 5 mm f Frequency 10 MHz to 1 51 GHz VSWR 1 1 1 1250 1744 Adapter 3 5 mm f to 3 5 mm f Frequency 10 MHz to 1 51 GHz VSWR 1 1 1 83059B...

Страница 15: ...20 Frequency Readout Accuracy Figure 3 1 Frequency Readout Accuracy Test Setup ...

Страница 16: ...marker reading in the active function block will be between the values listed in Table 3 1 Record the marker value in the Marker Frequency Readout column in Table 3 1 5 On the signal analyzer change the span and center frequency as listed in Table 3 1 6 Change the synthesized sweeper frequency to match the center frequency of the analyzer 7 Repeat step 4 through step 6 until the Marker Frequency R...

Страница 17: ...or example the instrument specification may state that with a 15 dBm signal at the input mixer the distortion product should be suppressed by 60 dBc The equivalent Second Harmonic Intercept SHI is 45 dBm 15 dBm 60 dBc This test is performed with 10 dBm at the mixer and verifies the distortion product is suppressed by 55 dBc This ensures the SHI is also 45 dBm 10 dBm 55 dBc Applied Frequency Mixer ...

Страница 18: ...ion Test Setup Filter 50 MHz Low Pass Cutoff Frequency 50 MHz Rejection at 65 MHz 40 dB Rejection at 75 MHz 60 dB 0955 0306 Synthesized Sweeper Frequency 50 MHz Spectral Purity Better than 30 dBc PSG Item Critical Specifications for this test Recommended Keysight Model ...

Страница 19: ... On the analyzer press Peak Search 6 Adjust the synthesized sweeper amplitude for a signal analyzer display of 10 dBm 0 1 dB 7 On the analyzer activate the marker delta function by pressing the Marker and Delta keys 8 On the signal analyzer press FREQ Channel Center Freq 80 MHz Meas Setup Average Hold Number 20 Enter Trace Detector Trace Average Single 9 Press Peak Search Enter the displayed value...

Страница 20: ... the signal analyzer The source amplitude is measured by the power meter and signal analyzer at each setting and the values compared The difference between each pair of measurements indicates the amplitude accuracy Item Critical Specifications Recommended Keysight Model Adapter Type N m to 3 5 mm m 1250 1743 Adapter 3 5 mm f to 3 5 mm f 83059B Attenuator 10 dB Step Range 10 to 30 dB Frequency 50 M...

Страница 21: ...28 Amplitude Accuracy at 50 MHz Figure 5 1 Amplitude Accuracy Test Setup ...

Страница 22: ...eq 50 MHz SPAN X Scale 2 MHz AMPTD Y Scale Attenuation Mech Atten 10 dB Input Output RF Input RF Coupling select DC Sweep Control Sweep Setup Swp Time Rules SA Accuracy Meas Setup Average Hold Number 20 Enter Trace Detector Trace Average Single 7 Perform the following steps for each row listed in Table 5 1 a Set the synthesized sweeper amplitude to the value listed in the Nominal Source Amplitude ...

Страница 23: ... the results under the Amplitude Accuracy Error column Amplitude Accuracy Error Meas_amp Step Attenuator Power_meter Table 5 1 Amplitude Accuracy Results Nominal Source Amplitude dBm Step Atten dB Span MHz Measured Amplitude Meas_amp dBm Power Meter Amplitude Power_meter dBm Amplitude Accuracy Error dB Test Limit dB 4 10 2 1 13 dB 9 10 1 1 13 dB 14 10 0 5 1 13 dB 4 20 0 1 1 13 dB 14 20 0 1 1 13 dB...

Страница 24: ...ut attenuation to 0 dB 6 Set the Span as listed in Table 5 2 7 Record the source amplitude as measured by the power meter in the Power Meter Amplitude column of Table 5 2 8 On the signal analyzer press Restart 9 Wait for the analyzer to finish averaging 10 Press Peak Search 11 Record the signal amplitude as measured by the analyzer in the measured amplitude column of Table 5 2 12 Calculate the sig...

Страница 25: ...y Range Limit Relative to 50 MHz 20 Hz to 3 6 GHz 1 5 dB 3 6 GHz to 8 4 GHz 2 5 dB 8 4 GHz to 13 6 GHz 3 0 dB 13 6 GHz to 26 5 GHz 3 5 dB Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to 3 5 mm m Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1743 Adapter 3 5 mm f to 3 5 mm f Frequency 10 MHz to 26 5 GHz VSWR 1 1 1 83059B Cable 3 5 mm 1 meter Frequency 10 MHz t...

Страница 26: ...34 Frequency Response Flatness Figure 6 1 Frequency Response Test Setup Synthesized Sweeper Frequency Range 50 MHz to 26 GHz PSG Item Critical Specifications for this test Recommended Keysight Model ...

Страница 27: ... signal analyzer press Single 9 Press the Peak Search key on the signal analyzer to position the marker on the peak of the signal 10 Refer to Table 6 1 Frequency Response Flatness Results Enter the amplitude of the signal displayed on the signal analyzer into the MeasAmp column of Table 6 1 11 Enter the power meter reading into the PowerMeter column of Table 6 1 12 Tune the synthesized sweeper and...

Страница 28: ...test limit Table 6 1 Frequency Response Flatness Results Center Frequency Analyzer Amplitude Measamp Power Meter Measurement Powermeter Meas Error Measerror Flatness Normalized to 50 MHz FlatNorm Flatness Error Test Limits dB 50 MHz 0 Ref 1 GHz 1 5 dB 2 GHz 1 5 dB 3 GHz 1 5 dB 3 5 GHz 1 5 dB 4 GHz 2 5 dB 6 GHz 2 5 dB 8 GHz 2 5 dB 9 GHz 3 0 dB 11 GHz 3 0 dB 13 GHz 3 0 dB 14 GHz 3 5 dB 17 GHz 3 5 dB...

Страница 29: ...z to 8 4 GHz 3 0 dB 8 4 GHz to 13 6 GHz 3 5 dB 13 6 GHz to 26 5 GHz 4 0 dB Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to 3 5 mm m Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1743 Adapter 3 5 mm f to 3 5 mm f Frequency 10 MHz to 26 5 GHz VSWR 1 1 1 83059B Cable 3 5 mm 1 meter Frequency 10 MHz to 26 5 GHz VSWR 1 4 1 11500E Cables BNC 120 cm Frequency 10 MHz...

Страница 30: ...20A MXA Signal Analyzer Functional Tests Guide Figure 7 1 Frequency Response Test Setup Synthesized Sweeper Frequency Range 50 MHz to 26 5 GHz PSG Item Critical Specifications for this test Recommended Keysight Model ...

Страница 31: ...nthesized sweeper output power for a power meter reading of 60 dBm 0 1 dB 8 On the signal analyzer press Single 9 Press the Peak Search key on the signal analyzer to position the marker on the peak of the signal 10 Refer to Table 7 1 Frequency Response Flatness Results Enter the amplitude of the signal displayed on the signal analyzer into the MeasAmp column of Table 7 1 11 Enter the power meter r...

Страница 32: ...ompare the value of FlatNorm to the test limit Table 7 1 Frequency Response Flatness Results Center Frequency Analyzer Amplitude Measamp Power Meter Measurement Powermeter Meas Error Measerror Flatness Normalized to 50 MHz FlatNorm Flatness Error Test Limits dB 50 MHz 0 Ref 1 GHz 2 0 dB 2 GHz 2 0 dB 3 GHz 2 0 dB 3 5 GHz 2 0 dB 4 GHz 3 0 dB 6 GHz 3 0 dB 8 GHz 3 0 dB 9 GHz 3 5 dB 11 GHz 3 5 dB 13 GH...

Страница 33: ...r is used to measure the reference amplitude The Marker Delta function is activated and the RF input is reduced using the external precision step attenuator Signal input levels from 0 dBm to 50 dBm are measured Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to 3 5 mm f Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1745 Adapter 3 5 mm f to 3 5 mm f Frequency 10 ...

Страница 34: ...42 Scale Fidelity Figure 8 1 Scale Fidelity Setup Averaging is used for all measurements to improve repeatability and reduce measurement uncertainty ...

Страница 35: ...er 10 Enter Trace Detector Trace Average Peak Search 5 Set the external 10 dB step attenuator to 0 dB 6 Adjust the amplitude on the signal source until the marker amplitude on the analyzer reads 15 dBm 0 2 dB 7 On the analyzer press the Single Restart to trigger a 10 sweep average 8 On the analyzer activate the Marker Delta function by pressing Peak Search Marker Delta 9 Perform the following step...

Страница 36: ...e Fidelity Procedure Table 8 1 Scale Fidelity Results External Attenuator Setting Minimum dB Marker Delta Value dB Maximum dB 0 N A Reference N A 10 11 0 9 0 20 21 0 19 0 30 31 0 29 0 40 41 0 39 0 50 51 0 49 0 ...

Страница 37: ... readout accuracy test 19 frequency response flatness test 33 preamp on 37 functional testing performance verification 8 functional tests before performing 10 equipment list 11 introduction 7 vs performance verification tests 8 warm up time 10 See also individual functional tests 7 P performance verification tests vs functional tests 8 S second harmonic distortion test 23 T tests See functional te...

Страница 38: ...This information is subject to change without notice Keysight Technologies 2006 2016 Edition 1 February 2016 N9020 90086 www keysight com ...

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