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Agilent Technologies E4406A manual Selecting Baseband I/Q Inputs

Models: E4406A

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Troubleshooting Install Adjust the IF Align Signal Show Errors Warranty Configuring I/O If You Have a Problem MEASURESetup Key Access Locations Setup Keys

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Agilent Technologies E4406A manual Selecting Baseband I/Q Inputs, Selecting Baseband I/Q Input Connectors

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Contents

User’s Guide Agilent Technologies E4406A VSA SeriesTransmitter Tester Safety Information Warranty LIMITATION OF WARRANTYEXCLUSIVE REMEDIES Page Contents Using System FeaturesGetting Started Contents 3.Setting the Mode4. Making Measurements Changing the Measurement Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Changing the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Using the Marker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Troubleshooting Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Making the Power Stat CCDF Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Measurement Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136 Making the Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Changing the Measurement Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 Changing the View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 Changing the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 Using the Markers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Troubleshooting Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Service Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141 Timebase Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 Measurement Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 50 MHz Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Measurement Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Measurement Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146 Front Panel Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Troubleshooting Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Service Power vs. Time Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 Using Baseband I/Q Inputs Option B7C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 What are Baseband I/Q Inputs? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 What are Baseband I/Q Signals? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Why Make Measurements at Baseband?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Making Measurements with Baseband I/Q Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Baseband I/Q Measurement Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 Selecting Input Probes for Baseband Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156 Selecting Baseband I/Q Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Selecting Baseband I/Q Input Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Setting Up Baseband I/Q Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Baseband I/Q Measurement Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Baseband I/Q Measurement Result Examples Contents Contents 5. If You Have a Problem6. Options and Accessories List of Keys Front Panel Test List of Keys Reference List of Keys List of Keys Getting Started Topics include Table Standard DocumentationPart Description Part Description TablePersonality Documentation Measurement Option Agilent Part URL for the Latest VSA Transmitter Tester UpdateUnderstanding Digital Communications Measurements Description Updating the Firmware Getting StartedChapter Primary Key Making a MeasurementSetup Keys Step System Front Panel Keys Context Dependency MEASURESetup Service GSM cdmaOne Waveform Time DomainSpectrum Freq Domain Spurious Close Channel Power Meas View/Setup Trace Getting Started Channel PowerSetup Marker MEASURESetup Service GSM cdmaOne Waveform Time DomainSpectrum Freq Domain Spurious Close Channel Power Meas View/Setup Trace 2.Control keys Front Panel Description Chapter Getting Started Front Panel Description 6.Mode keys select the measurement mode and mode parameters See page 83 for more detail Chapter Getting Started Front Panel Description 12.Floppy Disk Drive. The floppy disk drive accepts 1.44 megabyte disks. For an explanation of the operation of the floppy disc drive see the Using Print Keys section on page be implemented with a future firmware update Rear Panel Description Getting Started Rear Panel DescriptionChapter measurements. The external trigger accepts an 11. PARALLEL The PARALLEL connection supports remote printing Display Annotation Measurement Bar. Displays information about ESec even second clock - The green ESec Available Personality Options Installing Optional Measurement Personalities Available Personality Options Loading the Optional PersonalityRequired Information Key Path Viewing a License Key Using the Uninstall Key Installing a License KeyPage Cables for Connecting to the Serial Port RS-232 Figure 1-5HP 24542U CableFigure 1-6HP F1047-80002Cable HP 92219J Cable Cables for Connecting to the Serial Port RS-232Figure 1-7HP 24542G/H Cable Figure Figure 1-12Mouse Adapter typical Cables for Connecting to the Serial Port RS-232Figure 1-10HP 24542M Modem Cable Figure 1-11HP C2913A/C2914A Cable Figure 1-15HP 24542U Cable with 5181-6642Adapter Cables for Connecting to the Serial Port RS-232Figure 1-13HP 24542U Cable with 5181-6641Adapter Figure 1-14HP 24542U Cable with 5181-6640Adapter Figure 1-16HP 24542U Cable with 5181-6639Adapter Figure 1-19HP F1047-80002Cable with 5181-6642Adapter Instrument Installation Safety Considerations Instrument Operation and Maintenance Safety Considerations for Service Personnel Chapter Getting Started Safety Considerations Using System Features Install and Uninstall Using System Keys Key Locations Key Access LocationsTable Using System Features Key LocationsChapter Key Access Path Key Access LocationsTable Using System Features Table Key Access LocationsUsing System Features Key Locations Key Access Path Table Key Access LocationsUsing System Features Key Locations Key Access Path Table Key Access LocationsUsing System Features Key Access Path Key Locations Key Access LocationsUsing System Features Key Access Path Chapter Using System FeaturesKey Locations Input/Input Port Chapter Using System Features Key Locations Key Locations Key Access LocationsUsing System Features Key Access Path Printing a Displayed Screen Using Print and Print Setup Functions Level language default towhen Color Print is set to Front Panel Key Using System Features Using Print and Print Setup FunctionsChapter available only when selectedthe six screen files shown below are Using File and Save Keys Loading a StateSaving a State Level Using the Alpha Editor KeysLevel Level Configuring I/O Using Input/Output Configuration Keys •SCPI LAN - Accesses the following keys Level File SystemReference Front Panel •10 MHz Out - Activates, or deactivates, the 10 MHz out signal on the rear panel of the instrument. The 10 MHz out can be used to lock other test equipment to the same frequency reference that is used by the transmitter tester. Once activated, the 10 MHz out feature is persistent, so if it is set to On it will remain on, even if the instrument has been preset, or powered off and then on Using System Configuration and Alignment Keys Restore System DefaultsShow Errors Show System features are described in the service guide Chapter Using System FeaturesUsing System Configuration and Alignment Keys Show System Displays Chapter System LocalUsing System Features Using System Configuration and Alignment Keys Level AlignmentFront Level remains constant Using System Features Using System Configuration and Alignment KeysChapter Using System Features Using System Configuration and Alignment KeysChapter Setting the Mode Selecting a Mode Setting the Mode Selecting a ModeChapter Input Keys Mode Setup Adjust the IF Align Signal Adjust Input Attenuation and Input Power •RF Burst Wideband •Video IF Envlp Trigger Keys •Sync Source key menu Selecting the Frequency/Channel 4 Making Measurements Basic Measurements Initial Setup Using Measure KeysPreparing for Measurements Measurement Setup Measurement ControlAveraging Voltage Avg - The voltage is averaged Trigger Source Span / X Scale Keys Changing the View•Typical Measurement Windows •Trace Display •Amplitude / Y Scale Keys Using Markers TraceMarkers Search Marker Marker Functions Making the Measurement Making the Spectrum Frequency Domain MeasurementPurpose Measurement Method Results Making Measurements Changing the Measurement SetupSpectrum Frequency Domain Measurement Defaults Table measurement data Auto Auto Peak - Select this to set the ADC range automatically to the peak signal level. Auto peak is a compromise that works well for both CW and burst signals Chapter Changing the ViewMaking Measurements Making the Spectrum Frequency Domain Measurement Figure 4-4Spectrum Measurement - I/Q Polar View Changing the Linear Spectrum Display Changing the Display Changing the I or Q Waveform Window Making the Spectrum Frequency Domain Measurement Changing the I/Q Polar WindowSelecting Displayed Traces Within Windows Making Measurements Measuring Band Power Using the Markers Chapter Troubleshooting HintsMaking Measurements Making the Spectrum Frequency Domain Measurement Making the Measurement Making the Waveform Time Domain MeasurementPurpose Measurement Method Results Input signal: cdma2000 Rev 8, SR1, 9 Channel Making Measurements Making the Waveform Time Domain MeasurementChapter Changing the Measurement Setup Waveform Time Domain Measurement DefaultsTable In addition, the following parameters can be modified Making Measurements Making the Waveform Time Domain MeasurementChapter Changing the View Meas Setup: View/Trace = I/Q Waveform View Figure 4-9Waveform Measurement - I/Q Polar View Changing the Display Making Measurements Making the Waveform Time Domain MeasurementChapter •Off - Allows you to turn off the selected marker Using the Markers differing values for the maximum point Troubleshooting Hints Measurement Method Making the Adjacent Channel Power ACP MeasurementMaking the Adjacent Channel Power ACP Measurement Purpose Table ACP Setup RecommendationMaking the Measurement Results Figure 4-10ACP Measurement - Bar Graph View Changing the Measurement SetupAdjacent Channel Power Measurement Defaults Making the Adjacent Channel Power ACP Measurement Chapter Making the Adjacent Channel Power ACP MeasurementMaking Measurements Maximum Offset A 750.000 kHz Offset B 1.98000 MHz Chapter •Limit Test - Turns off the limit test function Changing the View Chapter Making the Adjacent Channel Power ACP MeasurementFigure 4-11ACP Measurement - Spectrum View Making Measurements This adjacent channel power ratio measurement can reveal degraded or defective parts in the transmitter section of the UUT. The following examples are those areas to be checked further Troubleshooting Hints Measurement Method Making the Channel Power MeasurementMaking the Channel Power Measurement Purpose Figure Channel Power MeasurementMaking the Measurement Results Changing the Measurement Setup Channel Power Measurement DefaultsTable Page Using the Marker Troubleshooting HintsChanging the Display Making the Power Stat CCDF Measurement PurposeMeasurement Method Figure Power Statistics CCDF MeasurementMaking the Measurement Results Changing the Measurement Setup Power Statistics CCDF Measurement DefaultsTable Making Measurements Making the Power Stat CCDF MeasurementChanging the View Changing the Display Using the Markers Troubleshooting Hints•Off - Allows you to turn off the selected marker Front Panel Test on page Pwr vs Time on page Service Measurements Measurement Method Test SetupTimebase Frequency Purpose Window Two Magnitude Window Three Freq ErrorResults Window One Time Record Measurement Method 50 MHz AmplitudeTest Setup Purpose Window Two Cal Magnitude Window Three ErrorResults Window One RF Magnitude Measurement Method SensorsTest Setup Purpose Chapter Making Measurements Sensors Front Panel Test Test SetupPurpose Chapter Troubleshooting HintsResults Making Measurements Front Panel Test Making Measurements Service Power vs. Time MeasurementService Power vs. Time Measurement Purpose Using Baseband I/Q Inputs Option B7C What are Baseband I/Q Inputs? Why Make Measurements at Baseband? What are Baseband I/Q Signals? Making Measurements with Baseband I/Q Inputs Chapter Baseband I/Q Measurement OverviewUsing Baseband I/Q Inputs Option B7C Making Measurements Selecting Input Probes for Baseband Measurements Using Baseband I/Q Inputs Option B7C Making MeasurementsChapter Agilent Probes - Balanced and Unbalanced Table Selecting Baseband I/Q Inputs Selecting Baseband I/Q Input Connectors •IF Align - Select to view the IF alignment signal. This signal is available as a diagnostic function, to check the operation of the alignment signal in the case of alignment failure. Once selected, a menu accessing the IF alignment signal parameters is available at the bottom of the Input menu. Either CW, comb, or pulse signals may be selected. Because the alignment signal is input at the IF frequency, it is displayed on any active Spectrum Freq Domain window, regardless of center frequency Setting Up Baseband I/Q Inputs I/Q Range Settings by Displayed Unit of MeasureTable I/Q Range TableI and Q Offset Increment vs. I/Q Range I and Q Using Baseband I/Q Inputs Option B7C Making MeasurementsChapter Selecting Baseband I/Q Input Impedance Spectrum Views and 0 Hz Center Frequency Baseband I/Q Measurement Views Waveform Views for Baseband I/Q Inputs Measurement Comparing RF and Baseband I/Q Measurement ViewsTable RF vs. Baseband I/Q Input Measurement Views, by Channel Power Measurement Baseband I/Q Measurement Result Examples Chapter Using Baseband I/Q Inputs Option B7CSpectrum Frequency Domain Measurement Making Measurements Figure 4-19Basic Mode Spectrum Linear View- Baseband I/Q Inputs Waveform Time Domain Measurement Baseband I/Q Key Access Locations Baseband I/Q Key Access LocationsTable Making Measurements Baseband I/Q Key Access LocationsUsing Baseband I/Q Inputs Option B7C Table Baseband I/Q - Waveform I/Q Marker Query BbIQ Programming CommandsCALCulate Subsystem Baseband I/Q - Spectrum I/Q Marker Query Spectrum - Y-AxisReference Level Baseband I/Q - IQ Offset CalibrationDISPlay Subsystem Spectrum - Y-AxisScale/Div Sets the amplitude reference level for the y-axis Baseband I/Q - Activate IQ Alignment INPut SubsystemBaseband I/Q - Select Input Impedance Baseband I/Q - Select Input Impedance Reference MEASure Subsystem SENSe Subsystem Select the Input Signal Baseband I/Q - Select I/Q Power RangeBaseband I/Q - Select I/Q Voltage Range Instrument Messages and Functional Tests document 5 If You Have a Problem Key or Feature Does Not Appear in Menu Problem Symptoms and Solutions Problem Symptoms and Solutions LAN External Loopback Test Failed - Error MessageInstrument Fails Alignment - Error Message If You Have a Problem Instrument Power-OnProblem LAN Communication ProblemInstrument Keyboard is Locked Support, Services, and Assistance Agilent Technologies Test and MeasurementChapter Returning Your Instrument to Agilent Technologies Table 5-1Contacting AgilentAsia Call Center Numbers Options and Accessories Option BAE: NADC/PDC Measurement Personalities Options and Measurement PersonalitiesOption BAH: GSM Measurement Personality Option BAC: cdmaOne Measurement Personality Option HN1: iDEN Measurement Personality Option BAF W-CDMAMeasurement PersonalityOption B78: cdma2000 Measurement Personality Option 202: EDGE with GSM Measurement Personality Option B7C: Baseband IQ Measurement Personality Option 0B1: Additional Copy of Manuals Option 300: 321.4 MHz IF Output Option 1CN Handles Kit Option 0BV: Component-levelService DocumentationOption 0BW: Assembly-levelService Documentation Option 1CM Rack Mount Kit GPIB Cable AccessoriesBroadband Preamplifiers and Power Amplifiers AC Probe Description N2714A Calibration and Adjustment SoftwareRS-232Cables Model Number Index IndexNumerics Index Index Index Indexoff, 140 select, 140 shape, 140 trace, Index stateIndex Index Index

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