Agilent Technologies U2000 Series Operating And Service Manual

Agilent Technologies U2000 Series Operating And Service Manual

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USB Power Sensors
Operating and Service
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Agilent Technologies

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Summary of Contents for Agilent Technologies U2000 Series

  • Page 1 Agilent U2000 Series USB Power Sensors Operating and Service Guide Agilent Technologies...
  • Page 2: Notices

    FAR 12.211 (Technical Data) and 12.212 (Computer Software) and, for the Department of Defense, DFARS 252.227-7015 (Technical Data - Commercial Items) and DFARS 227.7202-3 (Rights in Commercial Computer Software or Com- puter Software Documentation). U2000 Series Operating and Service Guide...
  • Page 3: Certification

    Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standard and Technology, to the extent allowed by the Institute’s calibration facility, and to the calibration facilities of other International Standard Organization members.
  • Page 4: Safety Summary

    Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies, Inc. assumes no liability for the customer’s failure to comply with these requirements. Safety Notices A WARNING notice denotes a hazard.
  • Page 5: Safety Symbols

    Earth (ground) terminal manual for specific Warning or Caution information). Protective conductor terminal Caution, hot surface. Frame or chassis terminal Out position of a bi-stable push control. Equipotentiality In position of a bi-stable push control. U2000 Series Operating and Service Guide...
  • Page 6: Regulatory Markings

    The affixed product label indicates that you must not discard this electri- cal/electronic product in domestic household waste. ICES/NMB-001 indicates that this ISM device complies with Canadian ICES-001. ICES/NMB - 001 Cet appareil ISM est confomre à la norme NMB-001 du Canada U2000 Series Operating and Service Guide...
  • Page 7: Waste Electrical And Electronic Equipment (Weee) Directive 20002/96/Ec

    “Monitoring and Control Instrument” product. The affixed product label is shown as below: Do not dispose in domestic household waste To return this unwanted instrument, contact your nearest Agilent office, or visit www.agilent.com/environment/product for more information. U2000 Series Operating and Service Guide...
  • Page 8: General Safety Information

    Agilent Technologies, Inc. assumes no liability for the customer’s failure to comply with these requirements. BEFORE CONNECTING THE POWER SENSOR TO OTHER INSTRUMENTS...
  • Page 9: Environmental Conditions

    Non-operating up to 4,600 metres (15, 000 feet) Pollution Degree 2 The Agilent U2000 Series USB power sensors comply with the following safety and C A U T I O N EMC requirements: • IEC 61010-1:2001 / EN 61010-1:2001 (2nd edition) •...
  • Page 10 Agilent Web site. You can search the DoC by its product model or description at the Web address below. http://regulations.corporate.agilent.com/DoC/search.htm If you are unable to search for the respective DoC, please contact your N O T E local Agilent representative. U2000 Series Operating and Service Guide...
  • Page 11: Table Of Contents

    1 Getting Started Introduction Power Sensor Overview • LED Indicator Guide Principles of Operation The U2000 Series USB Power Sensors in Detail Initial Inspection • Package Contents Checklist Hardware Installation and Configuration • System Requirements • Installing Your U2000 Series USB Power Sensor •...
  • Page 12 Specifications • Frequency and Power Ranges • Connector Type • Maximum SWR (25 °C ±10 °C) • SWR Plots for U2000 Series USB Power Sensors • Maximum SWR (0 °C to 55 °C) • Maximum Power • Power Accuracy • Switching Point •...
  • Page 13 • Standing Wave Ratio (SWR) and Reflection Coefficient (Rho) Performance Test Replaceable Parts Service Troubleshooting Repairing a Defective Sensor Disassembly and Reassembly Procedure Attenuator Disassembly and Reassembly Procedure for U2000B and U2001B 5 Appendix Appendix A: Zero Set, Zero Drift, and Measurement Noise U2000 Series Operating and Service Guide xiii...
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  • Page 15 Typical power accuracy at 25 °C for U2000/1B models1, 2 Figure 3-12 Typical power accuracy at 25 °C for U2000/1/2H models, Figure 3-13 Settling time with auto filter, default resolution, and a 10 dB decreasing power step (not across the switching point) U2000 Series Operating and Service Guide...
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  • Page 17 Power Sensor SWR and Reflection Coefficient for the U2001B Table 4-10 Replaceable Parts Table 4-11 Disassembly Procedure Table 4-12 Attenuator Disassembly Procedure Table 4-13 Attenuator Reassembly Procedure Table 5-1 Zero Set, Zero Drift, and Measurement Noise for Average only Mode U2000 Series Operating and Service Guide xvii...
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  • Page 19: Getting Started

    Initial Inspection Hardware Installation and Configuration Checking the Power Sensor Firmware This chapter introduces the Agilent U2000 Series USB power sensors with detailed information on the principles of operation, initial inspection, hardware installation and configuration, and a brief introduction of the Agilent N1918A Power Analysis Manager.
  • Page 20: Introduction

    USB connectivity to a PC or laptop, thus eliminating the need for a separate conventional power meter. The power sensors also compatible with some selected USB- based instruments from Agilent. The figure below shows the Agilent U2000 Series USB power sensors family. U2000A...
  • Page 21: Power Sensor Overview

    DO NOT remove or disassemble the gold connector on the U2002H. This is a fixed body C A U T I O N part of the U2002H. Removing this connector will make the sensor defective. U2000 Series Operating and Service Guide...
  • Page 22: Led Indicator Guide

    Example of error cause: 1 SCPI command syntax error 2 Invalid Zero AMBER Zeroing is in progress. Sending SCPI commands during the zeroing process will cause error. This will cause the LED indicator to turn RED. U2000 Series Operating and Service Guide...
  • Page 23: Figure 1-1 Led Indicator Sequence During Power-Up

    Getting Started Power Up HW/OS Error USB Enumeration GREEN Blinking Blinking Self-test fail Self-test GREEN Blinking Blinking Internal Zeroing - Default AMBER Read Figure 1-1 LED indicator sequence during power-up U2000 Series Operating and Service Guide...
  • Page 24: Principles Of Operation

    The new U2000 Series includes all the signal conditioning and analog- to- digital formatting functions that have been in use for several years. Thus, you can be assured that the U2000 Series USB power sensors will deliver highly predictable results.
  • Page 25 Figure 1- 3. The trigger input port which is based on TTL enables the sensor to synchronize with events. The U2000 Series supports high data rate transfer of 480 Mb/s through the Universal Serial Bus (USB) connectivity which is USB- TMC compliance.
  • Page 26: Figure 1-2 Block Diagram Of The Rf/Microwave Usb Power Sensor

    Getting Started U2000 Series Operating and Service Guide...
  • Page 27: The U2000 Series Usb Power Sensors In Detail

    Specialized modulation sensors are able to provide accurate measurements but are limited by the bandwidth. The U2000 Series USB power sensors are true average, wide dynamic range RF/microwave power sensors. They are based on a dual sensor diode pair/ attenuator/diode pair as proposed by Szente et.
  • Page 28 CDMA, W- CDMA, and digital television formats. 1 November 1986 Hewlett-Packard Journal pages 14-2, “Diode Integrated Circuits for Milimeter-Wave Applications. 2 Refer to“Maximum Power” on page 47 for maximum power handling specifications. U2000 Series Operating and Service Guide...
  • Page 29: Initial Inspection

    Package Contents Checklist Inspect and verify the following items for the standard purchase of the U2000 Series USB power sensors. If there are missing items, contact the nearest Agilent Sales Office. Trigger cable BNC Male to SMB female 50 Ω, 1.5 m •...
  • Page 30: Hardware Installation And Configuration

    Getting Started Hardware Installation and Configuration System Requirements Prior to using the U2000 Series USB power sensors, please ensure that the following minimum requirements are met: • PC or any device that has USB host capability • Agilent IO Libraries Suite 15.5 or higher had been installed. Users are encouraged to obtain the latest version of Agilent Libraries Suite for better performance.
  • Page 31: Installing Your U2000 Series Usb Power Sensor

    N1918A Power Analysis Manager. Follow the instructions below to install and configure the U2000 Series. 1 Connect your U2000 Series USB power sensor to the PC using the USB cable provided. Connect the cable’s mini- B plug to your power sensor...
  • Page 32: Figure 1-5 Found New Hardware Wizard Driver Installation

    1 Go to Start > Control Panel and double-click System. 2 Select Hardware tab, on the Drivers panel click Driver Signing and the Driver Signing Options dialog box will appear. 3 Select Ignore to disable the warning message. U2000 Series Operating and Service Guide...
  • Page 33: Figure 1-7 Completing Hardware Driver Installations

    Each time a USB device is plugged in, this dialog will be shown. To configure or disable this dialog, select an options in the Show this dialog panel and click OK. Figure 1-8 USB device alias configuration U2000 Series Operating and Service Guide...
  • Page 34: Verifying Your Connected Power Sensor

    PC and right- click. A context menu will appear and select Send Command To This Instrument and the Agilent Interactive IO dialog box will appear as shown below. Figure 1-10 Agilent Interactive IO dialog box U2000 Series Operating and Service Guide...
  • Page 35: Figure 1-11 Identification Of Your Connected Power Sensor Displayed

    Instrument Session History panel as shown in the following figure. Figure 1-11 Identification of your connected power sensor displayed 5 This verify that your U2000 Series USB power sensor has been connected and properly installed on your PC. U2000 Series Operating and Service Guide...
  • Page 36: Configuring Your Power Sensor Via Power Analysis Manager

    Power Analysis Manager. The reminder message will appear under two conditions: a You have not set any calibration due date for your U2000 Series. The reminder prompts you to set your calibration due date. b Your calibration date is due and the reminder prompts you to send your U2000 Series for calibration.
  • Page 37: Checking The Power Sensor Firmware

    By using the Agilent IO Libraries Suite version 15.5 or higher, you can check the model code, serial number, firmware revision, and USB address. The VISA address is the USB address (see below). Figure 1-12 Agilent IO Libraries Suite U2000 Series Operating and Service Guide...
  • Page 38: Agilent N1918A Power Analysis Manager

    Figure 1-13 Power Analysis Manager Instrument Properties panel It is advisable to set the calibration due date. Refer to page 18 for more details. Figure 1-14 Calibration due date display U2000 Series Operating and Service Guide...
  • Page 39: Operating Information

    Agilent U2000 Series USB Power Sensors Operating and Service Guide Operating Information Measurement Mode Power Sensor Configuration Settings Measurement Accuracy and Speed Internal and External Zeroing Power Sweep and Frequency Sweep Step Detection Pulse Power Measurement in Average only Mode This chapter describes some general operating information of the U2000 Series USB power sensors.
  • Page 40: Measurement Mode

    (internal trigger) or controlled externally via TTL input (external trigger). Trace Display The U2000 Series USB power sensors can also be configured to display measurement results in trace format using SCPI commands or the N1918A Power Analysis Manager when the power sensors are set to normal mode.
  • Page 41: Figure 2-1 Example Of Trace Graph Display For Gsm Signal

    Operating Information Figure 2-1 Example of trace graph display for GSM signal U2000 Series Operating and Service Guide...
  • Page 42: Figure 2-2 Measurement Gate

    40 µs (fall time) offset from the pulse falling edge to achieve higher accuracy measurements. Samples collected during range settling time are discarded. Thus, fewer samples are used for generating a measurement. U2000 Series Operating and Service Guide...
  • Page 43: Power Sensor Configuration Settings

    Power Sensor Configuration Settings The auto- averaging settings shown in Figure 2- 3 are automatically configured when the U2000 Series USB power sensors are connected. Averaging settings can also be manually configured. N O T E Figure 2- 3, the dotted- line arrow indicates the internal range based on the internal circuitry of the power sensor.
  • Page 44: Figure 2-3 Auto-Averaging Settings

    –45 dBm –35 dBm 128 1024 1024 1024 –25 dBm –55 dBm –45 dBm 512 1024 1024 1024 –30 dBm –60 dBm –50 dBm Minimum Sensor Power Within a Range Figure 2-3 Auto-averaging settings U2000 Series Operating and Service Guide...
  • Page 45: Measurement Accuracy And Speed

    Operating Information Measurement Accuracy and Speed With U2000 Series USB power sensors, the range can be set either automatically or manually. Use auto- ranging when you are not sure of the power level you are about to measure. The DC coupling of the U2004A USB power sensor input allows excellent low frequency coverage.
  • Page 46: Measurement Considerations

    However, the peak amplitude of –6 dBm is beyond the specified square law response range of the low power path diodes. The high power path (–7 dBm to +20 dBm) should be used to ensure a more accurate U2000 Series Operating and Service Guide...
  • Page 47 You can achieve best accuracy by selecting the high power path or achieve best speed by selecting the low power path. U2000 Series Operating and Service Guide...
  • Page 48: Internal And External Zeroing

    Zeroing a power sensor is performed in order to reduce zero measurement offset and noise impact to improve the accuracy of RF power measurement. The U2000 Series USB power sensors have two types of zeroing; internal zeroing and external zeroing.
  • Page 49: Figure 2-4 Select Either Int Or Ext From The Zero Type Option

    Operating Information Figure 2-4 Select either INT or EXT from the Zero Type option U2000 Series Operating and Service Guide...
  • Page 50: Power Sweep And Frequency Sweep

    Power Sweep and Frequency Sweep The frequency sweep and power sweep features provide measurement automation between the U2000 Series USB power sensor and the signal source. This feature reduces the communication path and improves test time by eliminating the need of PC- instrument communication.
  • Page 51: Step Detection

    Step detection can be set in both manual and automatic filter modes. Refer to the U2000 Series Programming Guide for more details on how to enable or disable the step detection.
  • Page 52: Pulse Power Measurement In Average Only Mode

    It is recommended to disable the step detection and set the average count to ≥256. The U2000 Series USB power sensors are designed to perform average power measurements over dynamic range of –60 dBm to +44 dBm. The supported power range for each sensor model is shown as...
  • Page 53: Specifications And Characteristics

    Agilent U2000 Series USB Power Sensors Operating and Service Guide Specifications and Characteristics Introduction Specifications General Characteristics This chapter describes the specifications and characteristics of your U2000 Series USB power sensors. Agilent Technologies...
  • Page 54: Introduction

    These specifications are valid after a 30- minute warm- up period. The dynamic range of the U2000 Series USB power sensors is –60 dBm to +44 dBm and the range is divided into two independent measurement paths — a low power path and a high power path, as shown below:...
  • Page 55 These specifications are referred to as typical. • Typical plots are derived from a population mean from production testing. Plot shown may vary from unit to unit and is not warranted. For warranted specifications, please refer to the individual tables. U2000 Series Operating and Service Guide...
  • Page 56: Specifications

    10 MHz to 6 GHz Connector Type Model Connector Type Impedance 50 Ω U2000/1/4A N-Type (m) 50 Ω U2002A 3.5 mm (m) 50 Ω U2000/1H N-Type (m) 50 Ω U2002H 3.5 mm (m) 50 Ω U2000/1B N-Type (m) U2000 Series Operating and Service Guide...
  • Page 57: Maximum Swr (25 °C ±10 °C)

    12.4 GHz to 18 GHz 1.24 10 MHz to 2 GHz 1.12 U2001B 2 GHz to 6 GHz 1.17 10 MHz to 8 GHz 1.15 U2000H 8 GHz to 12.4 GHz 1.25 12.4 GHz to 18 GHz 1.28 U2000 Series Operating and Service Guide...
  • Page 58: Swr Plots For U2000 Series Usb Power Sensors

    8 GHz to 12.4 GHz 1.25 U2002H 12.4 GHz to 18 GHz 1.28 18 GHz to 24 GHz 1.30 SWR Plots for U2000 Series USB Power Sensors Figure 3-1 U2000A typical SWR (25 °C ±10 °C) U2000 Series Operating and Service Guide...
  • Page 59: Figure 3-2 U2001A Typical Swr (25 °C ±10 °C)

    Specifications and Characteristics Figure 3-2 U2001A Typical SWR (25 °C ±10 °C) Figure 3-3 U2002A Typical SWR (25 °C ±10 °C) U2000 Series Operating and Service Guide...
  • Page 60: Figure 3-4 U2004A Typical Swr (25 °C ±10 °C)

    Specifications and Characteristics Figure 3-4 U2004A Typical SWR (25 °C ±10 °C) Figure 3-5 U2000H Typical SWR (25 °C ±10 °C) U2000 Series Operating and Service Guide...
  • Page 61: Figure 3-6 U2001H Typical Swr (25 °C ±10 °C)

    Specifications and Characteristics Figure 3-6 U2001H Typical SWR (25 °C ±10 °C) Figure 3-7 U2002H Typical SWR (25 °C ±10 °C) U2000 Series Operating and Service Guide...
  • Page 62: Figure 3-8 U2000B Typical Swr (25 °C ±10 °C)

    Specifications and Characteristics Figure 3-8 U2000B typical SWR (25 °C ±10 °C) Figure 3-9 U2001B typical SWR (25 °C ±10 °C) U2000 Series Operating and Service Guide...
  • Page 63: Maximum Swr (0 °C To 55 °C)

    2 GHz to 6 GHz 1.20 10 MHz to 2 GHz 1.14 U2000B 2 GHz to 12.4 GHz 1.18 12.4 GHz to 18 GHz 1.25 10 MHz to 2 GHz 1.14 U2001B 2 GHz to 6 GHz 1.18 U2000 Series Operating and Service Guide...
  • Page 64 12.4 GHz to 18 GHz 1.29 U2001H 10 MHz to 6 GHz 1.17 50 MHz to 8 GHz 1.17 8 GHz to 12.4 GHz 1.26 U2002H 12.4 GHz to 18 GHz 1.29 18 GHz to 24 GHz 1.31 U2000 Series Operating and Service Guide...
  • Page 65: Maximum Power

    Users are advised to use suitable external DC block for the DC component removal. DC voltages in excess of the maximum value (5 V) can damage the sensing diode. U2000 Series Operating and Service Guide...
  • Page 66: Power Accuracy

    For overall accuracy, refer to the measurement uncertainty calculator which is available on the Agilent Technologies Web site. 3 It is strongly advisable to perform external zeroing on the U2000 Series USB power sensor for power measurement level below –30 dBm (U2000/1/2A), –20 dBm (U2000/1/2H), and 0 dBm (U2000/1B) for accurate measurements.
  • Page 67 Specifications and Characteristics Power Accuracy Plots (Average only Mode) 1, 2 Figure 3-10 Typical power accuracy at for U2000/1/2/4A models 25 °C 1, 2 Figure 3-11 Typical power accuracy at for U2000/1B models 25 °C U2000 Series Operating and Service Guide...
  • Page 68: Figure 3-12 Typical Power Accuracy At 25 °C For U2000/1/2H Models

    (zero set, drift, and noise). Refer to Agilent Fundamentals of RF and Microwave Power Measurements (Part 3) Power Measurement Uncertainty per International Guide (Application Note 1449-3), 5988-9215EN for more information on measurement uncertainty. 2 After zeroing, 30 minutes of power-on warm-up, and 1024 averages. U2000 Series Operating and Service Guide...
  • Page 69: Switching Point

    Specifications and Characteristics Switching Point The U2000 Series USB power sensors have two measurement paths: a low power path and a high power path as shown in Table 3- Table 3-3 Switching point Sensor Low Power Path High Power Path...
  • Page 70 The high power path remains selected until approximately +22.5 dBm has been reached. As the power level decreases below +22.5 dBm, the low power path will be selected. U2000 Series Operating and Service Guide...
  • Page 71: Zero Set, Zero Drift, And Measurement Noise

    2.5 dBm to 8 dBm 500 nW 6.5 µW ±40 µW ±30 µW 6 dBm to 25 dBm 5 µW 10 µW ±60 µW ±60 µW 20 dBm to 30 dBm 20 µW 100 µW U2000 Series Operating and Service Guide...
  • Page 72 The Zero Set, Zero Drift, and Measurement Noise specifications are only applicable to N O T E U2000 Series USB power sensors with serial prefix as shown below: U2000A Serial prefix MY480/SG480 and above U2001A Serial prefix MY481/SG481 and above...
  • Page 73: Table 3-4 Noise Multiplier For Average Only Mode

    1.00 0.75 0.56 0.45 0.29 0.22 (x2 Speed) Example: U2000A power sensor, –60 dBm to –35 dBm, number of averages = 4, normal speed. Measurement noise calculation: 1 nW x 2.08 = 2.08 nW U2000 Series Operating and Service Guide...
  • Page 74 230 µW 550 µW 6 dBm to 25 dBm 440 µW 300 µW 300 µW 260 µW 850 µW 20 dBm to 30 dBm 3.9 mW 2.8 mW 1.1 mW 2.8 mW 5.5 mW U2000 Series Operating and Service Guide...
  • Page 75 Number of averages If the noise value obtained from Equation 1 or 2 is lower than the measurement noise N O T E specification, use the value as specified in the measurement noise table. U2000 Series Operating and Service Guide...
  • Page 76 ------------------------------------------------ - 85µW 1.123µW ⎝ ⎠ ⁄ 1.36 ms 0.68µs The calculated measurement noise (1.123 µW) is lower than the measurement noise specification (21 µW). In this case, the measurement noise would be 21 µW. U2000 Series Operating and Service Guide...
  • Page 77: Settling Time

    Table 3-5 Settling Time for Normal and x2 Speed Number of Averages 1,024 Settling Time (s) 0.045 0.09 0.17 0.34 0.66 10.4 20.9 41.9 (Normal Speed) Settling Time (s) 0.042 0.05 0.09 0.17 0.34 0.66 10.4 20.9 (x2 Speed) U2000 Series Operating and Service Guide...
  • Page 78: Figure 3-13 Settling Time With Auto Filter, Default Resolution, And A 10 Db Decreasing Power Step (Not Across The Switching Point)

    -50 dBm 40 dBm 24 s 42 s Minimum sensor power within a range Figure 3-13 Settling time with auto filter, default resolution, and a 10 dB decreasing power step (not across the switching point) U2000 Series Operating and Service Guide...
  • Page 79: Calibration Factor And Reflection Coefficient

    – Typical uncertainties of the CF data are listed in the following tables. As the U2000 Series USB power sensors have two independent measurement paths (high and low power paths), there is only one set of CF data used for both high and low power paths for each sensor. The uncertainty analysis for the calibration of the sensors was done in accordance with the ISO Guide.
  • Page 80: Cal Factor Uncertainty

    Typical CF Uncertainty (25 °C ±10 °C) 50 MHz to 2 GHz 2.0% 2 GHz to 14 GHz 2.5% 14 GHz to 16 GHz 2.7% 16 GHz to 18 GHz 2.7% 18 GHz to 24 GHz 3.0% U2000 Series Operating and Service Guide...
  • Page 81 1.8% 2 GHz to 6 GHz 2.0% U2000H Frequency Typical CF Uncertainty (25 °C ±10 °C) 10 MHz to 8 GHz 2.0% 8 GHz to 12.4 GHz 2.0% 12.4 GHz to 18 GHz 2.2% U2000 Series Operating and Service Guide...
  • Page 82 2.0% U2002H Frequency Typical CF Uncertainty (25 °C ±10 °C) 50 MHz to 8 GHz 2.5% 8 GHz to 12.4 GHz 2.5% 12.4 GHz to 18 GHz 2.7% 18 GHz to 24 GHz 3.0% U2000 Series Operating and Service Guide...
  • Page 83: Trigger

    11 µs ±2 µs Trigger Delay Range –0.15 s to +0.15 s Resolution 1 µs Trigger hold-off Range 1 µs to 400 ms Resolution 1 µs Trigger Hysteresis Range 0 dB to +3 dB Resolution 0.1 dB U2000 Series Operating and Service Guide...
  • Page 84: Normal Mode Key Specifications And Characteristics

    Maximum capture length 150 ms Maximum pulse repetition rate 150 kHz Dynamic range U2000/1/2A: –30 dBm to +20 dBm U2000/1/2H: –20 dBm to +30 dBm U2000/1B: 0 dBm to +44 dBm 1 Not applicable for U2004A U2000 Series Operating and Service Guide...
  • Page 85: General Characteristics

    The sensor should be stored in a clean, dry Environment environment Temperature –30 °C to +70 °C (non-operating) Non-operating up to 90% at 65 °C Relative Humidity (non-condensing) Altitude Non-operating up to 4,600 metres (15,000 feet) USB Standard USB Speed Hi-Speed 2.0 U2000 Series Operating and Service Guide...
  • Page 86 Specifications and Characteristics THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. U2000 Series Operating and Service Guide...
  • Page 87: Service

    Agilent U2000 Series USB Power Sensors Operating and Service Guide Service General Information Performance Test Replaceable Parts Service Troubleshooting This chapter describes the performance test and provides information on replaceable parts as well as on service details. Agilent Technologies...
  • Page 88: General Information

    This chapter contains information about general maintenance, performance tests, troubleshooting and the repair of U2000 Series USB power sensors. Cleaning Use a clean, damp cloth to clean the body of the U2000 Series USB power sensors. Connector Cleaning The RF connector beads deteriorate when contacted with hydrocarbon compounds such as C A U T I O N acetone, trichloroethylene, carbon tetrachloride, and benzene.
  • Page 89: Performance Test

    The test system used must not exceed the system Rho uncertainties shown in the following tables when testing the U2000 Series USB power sensors. Table 4-1 Power Sensor SWR and Reflection Coefficient for the U2000A...
  • Page 90: Table 4-3 Power Sensor Swr And Reflection Coefficient For The U2002A

    Table 4-5 Power Sensor SWR and Reflection Coefficient for the U2000H Frequency Actual Maximum Measurement 10 MHz to 8 GHz 0.070 1.15 8 GHz to 12.4 GHz 0.111 1.25 12.4 GHz to 18 GHz 0.123 1.28 U2000 Series Operating and Service Guide...
  • Page 91: Table 4-6 Power Sensor Swr And Reflection Coefficient For The U2001H

    12.4 GHz to 18 GHz 0.107 1.24 Table 4-9 Power Sensor SWR and Reflection Coefficient for the U2001B Frequency Actual Maximum Measurement 10 MHz to 2 GHz 0.057 1.12 2 GHz to 6 GHz 0.078 1.17 U2000 Series Operating and Service Guide...
  • Page 92: Replaceable Parts

    N O T E California. Ask your nearest Agilent office for information and forms for the “Direct Mail Order System.” Also your nearest Agilent office can supply toll free telephone numbers for ordering parts and supplies. U2000 Series Operating and Service Guide...
  • Page 93: Table 4-10 Replaceable Parts

    U2000-60010 U2001H replacement module U2001H 5190-1711 Top label for U2001H U2000-60011 U2002H replacement module U2002H 5190-1712 Top label for U2002H 5190-0061 Middle label 5190-0060 Bottom label All models U2000-20001 Top cover U2000-20003 Bottom cover U2000 Series Operating and Service Guide...
  • Page 94: Service

    Troubleshooting The U2000 Series USB power sensors represent a combination of a power meter and power sensor in one unit. If the LED is red and blinking, it indicates that there is a hardware error or operating system (OS) error in the power sensor.
  • Page 95: Disassembly And Reassembly Procedure

    Table 4-11 Disassembly Procedure 1 Remove the top label. 2 Loosen three screws by using M2 to remove the housing. 3 Replace the defective sensor module with a new sensor module. Please refer to Table 4- U2000 Series Operating and Service Guide...
  • Page 96 Service Reassembly Procedure Tools required for reassembly: Tools Purpose Torque value M2 Torx To fit the housing 3.98 lbs.in Reassembly instructions: The reassembly procedures are simply the reversal of the disassembly procedure. U2000 Series Operating and Service Guide...
  • Page 97: Attenuator Disassembly And Reassembly Procedure For U2000B And U2001B

    U2001B will void the calibration. Table 4-12 Attenuator Disassembly Procedure 1 Loosen the connector using the torque wrench. 2 After that clean the connector’s threads with IPA. Ensure that the crystallized loctite is cleaned properly. U2000 Series Operating and Service Guide...
  • Page 98: Table 4-13 Attenuator Reassembly Procedure

    To tighten the attenuator 12 lbs.in Table 4-13 Attenuator Reassembly Procedure 1 Apply one drop of loctite on the first, second, and third threads of the connector. 2 Tighten the connector using the torque wrench. U2000 Series Operating and Service Guide...
  • Page 99: Appendix

    Agilent U2000 USB Power Sensors Operating and Service Guide Appendix Appendix A: Zero Set, Zero Drift, and Measurement Noise Agilent Technologies...
  • Page 100: Appendix A: Zero Set, Zero Drift, And Measurement Noise

    Appendix Appendix A: Zero Set, Zero Drift, and Measurement Noise The following specifications in Table 5- 1 are only applicable to the U2000 Series USB power sensors with the serial prefix as shown below: Model Serial Prefix U2000A Serial Prefix MY470/SG470 and below...
  • Page 101 Product specifications and descriptions in this document are subject to change without notice. Always refer to the English version at the Agilent Web site for the latest revision. © Agilent Technologies, Inc. 2007–2014 Printed in Malaysia Tenth Edition, June 5, 2014 U2000-90405 Agilent Technologies...

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