Agilent Technologies 11970-90031 manual Amplitude Calibration

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Operation

Using the Mixers with the E4440A, E4446A, or E4448A PSA Series Spectrum Analyzer (Option AYZ)

2.On the analyzer, press Preset, Factory Preset, if present.

3.Select external mixing by pressing Input/Output, Input Mixer, Input Mixer (Ext).

4.The analyzer frequency band will be set to 26.5 - 40 GHz (A). To choose a different band, press Ext Mix Band , then press the desired band frequency range/letter key. For this example, we will use band A, which ranges from 36.5 GHz to 40 GHz.

Amplitude Calibration

The conversion loss versus frequency data can be entered on your analyzer from one of three sources.

•From a Conversion Loss Data Disk, supplied with your mixer. See “Using a Conversion-Loss Data Disk with the ESA or PSA Series Analyzers” on page 21 .

•Data from the calibration sheet supplied with your mixer.

•From conversion-loss data located on the mixer body label.

Manually Entering Conversion-Loss Data

1.The analyzer frequency band will be set to 26.5 – 40 GHz (A). To choose a different band, press Ext Mix Band and then press the desired band frequency range/letter key. For this example, we will use band A, which ranges from 26.5 GHz to 40 GHz.

NOTE

To correct for the conversion-loss of the harmonic mixer in use, the analyzer

 

amplitude correction feature is used.

 

 

2.Press AMPLITUDE Y Scale, More , Corrections. Select a correction set for use with external mixing. The recommended set to use is Other although any available set could be used.

3.Press Edit to enter the appropriate conversion loss data for the mixer in use. These values are listed on the mixer, or a calibration sheet that is supplied with the mixer.

NOTE

More correction points entered across the band in use will improve frequency

 

response accuracy. Up to 200 points may be defined for each set.

 

 

4.Once the desired correction points are entered, press Return, Correction (On) to activate correction set Other. This will also turn corrections on resulting in a calibrated display. It is recommended that the correction set entered be saved on the internal memory or the floppy drive for future reference. See the ESA User’s and Programmer’s Reference guide for information on saving correction values.

Operation

Chapter 2

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Contents October Manufacturing Part NumberCertification Limitation of Warranty Page Contents Service General Information Serial Numbers IntroductionSeries Harmonic Mixers Mixer Connection Kit, Option Waveguide Connector Screws Specifications11970 Series Specifications LO Harmonic Number LO Input Frequency Range Model RF Frequency Range 11970 Supplemental Characteristics Specifications Operation Introduction Operating PrecautionsMixer Connections Getting StartedGetting Started Viewing Data Loading DataHarmonic Mixer Setup Set up the equipmentManually Entering Conversion-Loss Data Amplitude CalibrationSignal Identification Chapter Spectrum Analyzer Amplitude Calibration Signal Identification AYZ External Mixer Setup Using the Mixers with the 856X Series Spectrum AnalyzersExternal Mixer Frequency Ranges Select the Frequency BandSelect the band of interest Save the average conversion-loss value10 Store and correct for conversion loss Signal Identification11 Signal Responses Produced by a 50 GHz Signal in U Band Identify signals with the frequency-shift method12 Response for Invalid Signals 14 SIG ID AT MKR Performed on an Image Signal Identify signals in wide frequency spans15 SIG ID AT MKR Performed on a True Signal Using the Mixers with MMS Analyzers Preliminary OperationEquipment Connection Operation Band SelectionAmplitude Calibration for a Single Frequency Band Harmonic Number N Frequency Range GHz External Mixing Bands and Associated Mixing HarmonicsSets which active input port will be selected when the Instr Frequency Ranges and Corresponding Harmonic Numbers Conversion Loss Versus Frequency Correction For further information, consult the Agilent 70900B 17External Mixer Connection Using the Mixers with the 8566B Spectrum AnalyzerAmplitude Calibration ProcedureSignal Identification 19 Sample Mixer Calibration Table Performance Tests Test Record Performance Test Procedures DescriptionRecommended Test Equipment for 11907K Recommended Test Equipment for 11970A Recommended Test Equipment for 11970Q Recommended Test Equipment for 11970U Recommended Test Equipment for Recommended Test Equipment for 11970W Conversion Loss and Frequency Response SpecificationsDescription 11970V 50.0 GHz 11970W 75.0 GHz For 11970V or W Then press Center Frequency Conversion Loss and Frequency Response Conversion Loss and Frequency Response Performance Test Setups 1 Performance Test Setups 2 Conversion Loss and Frequency Response Test Record Conversion Loss and Frequency Response Test Record Average Noise Level Test SpecificationAverage Noise Level Test For 11970V or W Average Noise Level Test Average Noise Level Average Noise Test RecordService Circuit Description MaintenanceRepairs Replaceable Parts11970 Series Mixer Schematic Diagram Part Number Description Accessories and Replaceable PartsEuropean Field Operations Agilent Technologies Sales and Service OfficesMaintenance
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