Agilent Technologies U2000 Series Manuel de service

Agilent TechnologiesAgilent U2000 Series USB Power Sensors Operating and Service Guide

x U2000 Series Operating and Service GuideDeclaration of Conformity (DoC)The Declaration of Conformity (DoC) for this instrument is available on the A

U2000 Series Operating and Service Guide xiContentsNotices iiCertification iiiLimitation of Warranty iiiExclusive Remedies iiiSafety Summary ivSafety

xii U2000 Series Operating and Service Guide2 Operating InformationMeasurement Mode 22• Average only Mode 22• Normal Mode 22Power Sensor Configurat

U2000 Series Operating and Service Guide xiii4 ServiceGeneral Information 70• Cleaning 70• Connector Cleaning 70Performance Test 71• Standing Wave

xiv U2000 Series Operating and Service GuideList of FiguresFigure 1-1 LED indicator sequence during power-up 5Figure 1-2 Block diagram of the RF/m

U2000 Series Operating and Service Guide xvList of TablesTable 1-1 States of LED indicator and its description 4Table 2-1 Sensor Ranges 27Table

xvi U2000 Series Operating and Service Guide

1Agilent U2000 Series USB Power SensorsOperating and Service GuideAgilent Technologies1Getting StartedIntroduction 2Power Sensor Overview 3Principles

1Getting Started2 U2000 Series Operating and Service GuideIntroductionThe Agilent U2000 Series USB power sensors are standalone power sensors used for

Getting Started 1U2000 Series Operating and Service Guide 3Power Sensor Overview1423567No. Part Functions1 RF input port Allows RF/microwave input sig

ii U2000 Series Operating and Service GuideNotices© Agilent Technologies, Inc. 2007–2012No part of this manual may be reproduced in any form or by any

1Getting Started4 U2000 Series Operating and Service GuideLED Indicator GuideThe LED indicator is found at the rear panel of the power sensor. The fol

Getting Started 1U2000 Series Operating and Service Guide 5Figure 1-1 LED indicator sequence during power-upPower UpUSB EnumerationHW/OS ErrorSelf-tes

1Getting Started6 U2000 Series Operating and Service GuidePrinciples of Operation The U2000 Series USB power sensors function as a power meter and pow

Getting Started 1U2000 Series Operating and Service Guide 7Sensor control and processing is provided by an embedded processor with Digital Signal Proc

1Getting Started8 U2000 Series Operating and Service GuideFigure 1-2 Block diagram of the RF/microwave USB power sensor

Getting Started 1U2000 Series Operating and Service Guide 9The U2000 Series USB Power Sensors in DetailMost of the power sensors used for measuring av

1Getting Started10 U2000 Series Operating and Service GuideThis technique will ensure the diodes in the selected signal path are kept in their square

Getting Started 1U2000 Series Operating and Service Guide 11Initial InspectionInspect the shipping container for damages. If the shipping container or

1Getting Started12 U2000 Series Operating and Service GuideHardware Installation and ConfigurationSystem RequirementsPrior to using the U2000 Series U

Getting Started 1U2000 Series Operating and Service Guide 13Installing Your U2000 Series USB Power SensorU2000 Series offers USB plug- and- play capab

U2000 Series Operating and Service Guide iiiCertificationAgilent Technologies certifies that this product met its published specifications at the time

1Getting Started14 U2000 Series Operating and Service GuideFigure 1-5 Found New Hardware Wizard driver installation5 A warning message will appear in

Getting Started 1U2000 Series Operating and Service Guide 156 Click Finish when the installation has completed.Figure 1-7 Completing hardware driver

1Getting Started16 U2000 Series Operating and Service GuideVerifying Your Connected Power Sensor1 To verify your connected power sensor, go to Start &

Getting Started 1U2000 Series Operating and Service Guide 174 To verify your connected power sensor, send the default SCPI command *IDN? to the power

1Getting Started18 U2000 Series Operating and Service GuideConfiguring Your Power Sensor via Power Analysis Manager1 Go to Start > All Programs >

Getting Started 1U2000 Series Operating and Service Guide 19Checking the Power Sensor FirmwareThere are two ways that can be used to check the firmwar

1Getting Started20 U2000 Series Operating and Service GuideAgilent N1918A Power Analysis ManagerBy using the N1918A Power Analysis Manager, you can ch

21Agilent U2000 Series USB Power SensorsOperating and Service GuideAgilent Technologies2Operating InformationMeasurement Mode 22Power Sensor Configura

2 Operating Information22 U2000 Series Operating and Service GuideMeasurement ModeThe U2000 Series USB power sensors have two measurement modes: avera

Operating Information 2U2000 Series Operating and Service Guide 23Figure 2-1 Example of trace graph display for GSM signal

iv U2000 Series Operating and Service GuideSafety SummaryThe following general safety precautions must be observed during all phases of operation of t

2 Operating Information24 U2000 Series Operating and Service GuideMeasurement GateA gate, controlled by and referenced to a trigger point, is used to

Operating Information 2U2000 Series Operating and Service Guide 25Power Sensor Configuration SettingsThe auto- averaging settings shown in Figure 2- 3

2 Operating Information26 U2000 Series Operating and Service GuideFigure 2-3 Auto-averaging settings1234111111112811151211111 1 1 10241 1 256 10241 1

Operating Information 2U2000 Series Operating and Service Guide 27Measurement Accuracy and Speed With U2000 Series USB power sensors, the range can be

2 Operating Information28 U2000 Series Operating and Service GuideThe default is “AUTO”. In AUTO the range crossover value depends on the sensor model

Operating Information 2U2000 Series Operating and Service Guide 29measurement of this signal. However, range holding in “UPPER” (the high power path),

2 Operating Information30 U2000 Series Operating and Service GuideInternal and External ZeroingZeroing a power sensor is performed in order to reduce

Operating Information 2U2000 Series Operating and Service Guide 31Figure 2-4 Select either INT or EXT from the Zero Type option

2 Operating Information32 U2000 Series Operating and Service GuidePower Sweep and Frequency SweepThe frequency sweep and power sweep features provide

Operating Information 2U2000 Series Operating and Service Guide 33Step DetectionTo reduce the filter settling time after a significant step in the mea

U2000 Series Operating and Service Guide vSafety SymbolsThe following symbols on the instrument and in the documentation indicate precautions which mu

2 Operating Information34 U2000 Series Operating and Service GuidePulse Power Measurement in Average only ModeThe U2000 Series USB power sensors provi

35Agilent U2000 Series USB Power SensorsOperating and Service GuideAgilent Technologies3Specifications and CharacteristicsIntroduction 36Specification

3 Specifications and Characteristics36 U2000 Series Operating and Service GuideIntroductionU2000 Series USB power sensors are average, wide dynamic ra

Specifications and Characteristics 3U2000 Series Operating and Service Guide 37Specification definitionsThere are two types of product specifications:

3 Specifications and Characteristics38 U2000 Series Operating and Service GuideSpecificationsFrequency and Power RangesConnector TypeModel Frequency R

Specifications and Characteristics 3U2000 Series Operating and Service Guide 39Maximum SWR (25 °C ±10 °C)Model Frequency SWRU2000A10 MHz to 30 MHz 1.1

3 Specifications and Characteristics40 U2000 Series Operating and Service GuideSWR Plots for U2000 Series USB Power SensorsFigure 3-1 U2000A typical S

Specifications and Characteristics 3U2000 Series Operating and Service Guide 41Figure 3-2 U2001A Typical SWR (25 °C ±10 °C)Figure 3-3 U2002A Typical S

3 Specifications and Characteristics42 U2000 Series Operating and Service GuideFigure 3-4 U2004A Typical SWR (25 °C ±10 °C)Figure 3-5 U2000H Typical S

Specifications and Characteristics 3U2000 Series Operating and Service Guide 43Figure 3-6 U2001H Typical SWR (25 °C ±10 °C)Figure 3-7 U2002H Typical S

vi U2000 Series Operating and Service GuideRegulatory MarkingsThis symbol indicates that a device, or part of a device, may be susceptible to electros

3 Specifications and Characteristics44 U2000 Series Operating and Service GuideFigure 3-8 U2000B typical SWR (25 °C ±10 °C) Figure 3-9 U2001B typical

Specifications and Characteristics 3U2000 Series Operating and Service Guide 45Maximum SWR (0 °C to 55 °C)Model Frequency SWRU2000A10 MHz to 30 MHz 1.

3 Specifications and Characteristics46 U2000 Series Operating and Service GuideU2000H10 MHz to 8 GHz 1.178 GHz to 12.4 GHz 1.2612.4 GHz to 18 GHz 1.29

Specifications and Characteristics 3U2000 Series Operating and Service Guide 47Maximum PowerModels Maximum PowerU2000/1/2A +25 dBm (320 mW) average, 2

3 Specifications and Characteristics48 U2000 Series Operating and Service GuidePower AccuracyThis specification is valid only after zeroing and calibr

Specifications and Characteristics 3U2000 Series Operating and Service Guide 49Power Accuracy Plots (Average only Mode)Figure 3-10 Typical power accur

3 Specifications and Characteristics50 U2000 Series Operating and Service GuideFigure 3-12 Typical power accuracy at 25 °C for U2000/1/2H models1, 21

Specifications and Characteristics 3U2000 Series Operating and Service Guide 51Switching PointThe U2000 Series USB power sensors have two measurement

3 Specifications and Characteristics52 U2000 Series Operating and Service GuideExamples U2000/1/2/4A Power SensorsThe switching point for U2000/1/2/4A

Specifications and Characteristics 3U2000 Series Operating and Service Guide 53Zero Set, Zero Drift, and Measurement NoiseAverage only ModeFor U2000/1

U2000 Series Operating and Service Guide viiWaste Electrical and Electronic Equipment (WEEE) Directive 20002/96/ECThis instruction complies with the W

3 Specifications and Characteristics54 U2000 Series Operating and Service GuideFor U2000/1B,Range1Zero Set (Internal) Zero Set (External) Zero Drift2M

Specifications and Characteristics 3U2000 Series Operating and Service Guide 55Effects of Averaging on Average only Mode Measurement NoiseAveraging ov

3 Specifications and Characteristics56 U2000 Series Operating and Service GuideNormal ModeFor U2000/1/2A,For U2000/1/2H,Range1Zero Set (Internal) Zero

Specifications and Characteristics 3U2000 Series Operating and Service Guide 57For U2000/1B,Effect of Time-Gating and Averaging on Normal Mode Measure

3 Specifications and Characteristics58 U2000 Series Operating and Service GuideExample:U2000A power sensor, measured power = –4 dBm, gate length = 1.3

Specifications and Characteristics 3U2000 Series Operating and Service Guide 59Settling timeIn FAST mode (using Free Run trigger), for a 10 dB decrea

3 Specifications and Characteristics60 U2000 Series Operating and Service GuideFor auto filter, default resolution, and a 10 dB decreasing power step

Specifications and Characteristics 3U2000 Series Operating and Service Guide 61Calibration Factor and Reflection Coefficient The Calibration Factor (C

3 Specifications and Characteristics62 U2000 Series Operating and Service GuideCal Factor Uncertainty FrequencyU2000ATypical CF Uncertainty (25 °C ±10

Specifications and Characteristics 3U2000 Series Operating and Service Guide 63Frequency U2004ATypical CF Uncertainty (25 °C ±10 °C)9 kHz to 2 GHz 1.8

viii U2000 Series Operating and Service GuideGeneral Safety InformationThe following general safety precautions must be observed during all phases of

3 Specifications and Characteristics64 U2000 Series Operating and Service GuideFrequencyU2001HTypical CF Uncertainty (25 °C ±10 °C)10 MHz to 6 GHz 2.0

Specifications and Characteristics 3U2000 Series Operating and Service Guide 65TriggerInternal TriggerResolution 0.1 dBLevel accuracy ± 1 dBJitter ± 1

3 Specifications and Characteristics66 U2000 Series Operating and Service GuideNormal Mode Key Specifications and CharacteristicsParameters11 Not appl

Specifications and Characteristics 3U2000 Series Operating and Service Guide 67General CharacteristicsPhysical CharacteristicsNet WeightU2000/1/4A 0.2

3 Specifications and Characteristics68 U2000 Series Operating and Service Guide

69Agilent U2000 Series USB Power SensorsOperating and Service GuideAgilent Technologies4ServiceGeneral Information 70Performance Test 71Replaceable Pa

4Service70 U2000 Series Operating and Service GuideGeneral Information This chapter contains information about general maintenance, performance tests,

Service 4U2000 Series Operating and Service Guide 71Performance TestStanding Wave Ratio (SWR) and Reflection Coefficient (Rho) Performance Test This s

4Service72 U2000 Series Operating and Service GuideTable 4-3 Power Sensor SWR and Reflection Coefficient for the U2002ATable 4-4 Power Sensor SWR an

Service 4U2000 Series Operating and Service Guide 73Table 4-6 Power Sensor SWR and Reflection Coefficient for the U2001HTable 4-7 Power Sensor SWR a

U2000 Series Operating and Service Guide ixEnvironmental ConditionsThis instrument is designed for indoor use only. The table shows the general requir

4Service74 U2000 Series Operating and Service GuideReplaceable Parts Table 4- 10 contains a list of replaceable parts. To order a part, quote the Agil

Service 4U2000 Series Operating and Service Guide 75Table 4-10 Replaceable PartsModelAgilent PartNumberQty DescriptionU2000AU2000-60006 1 U2000A repl

4Service76 U2000 Series Operating and Service GuideService The following service instructions consist of information on troubleshooting, and repairs.T

Service 4U2000 Series Operating and Service Guide 77Disassembly and Reassembly Procedure Disassembly ProcedureDisassemble the power sensor by performi

4Service78 U2000 Series Operating and Service GuideReassembly Procedure Tools required for reassembly:Reassembly instructions:The reassembly procedure

Service 4U2000 Series Operating and Service Guide 79Attenuator Disassembly and Reassembly Procedure for U2000B and U2001BDisassembly ProcedureTools re

4Service80 U2000 Series Operating and Service GuideReassembly ProcedureTools required for reassembly:Table 4-13 Attenuator Reassembly ProcedureTools

81Agilent TechnologiesAgilent U2000 USB Power SensorsOperating and Service GuideAppendix Appendix A: Zero Set, Zero Drift, and Measurement Noise 82

82 Agilent U2000 Operating and Service GuideAppendixAppendix A: Zero Set, Zero Drift, and Measurement NoiseThe following specifications in Table 5- 1

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