Keysight Technologies U3047AM12 User's And Service Manual
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Keysight Technologies U3047AM12 User's And Service Manual

Multiport test set
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Keysight Technologies
U3047AM12
Multiport Test Set
NOTICE: This document contains references to
Agilent Technologies. Agilent's former Test and
Measurement business has become Keysight
Technologies. For more information, go to
www.keysight.com.
Use this manual with the following document:
PNA Series Network Analyzer Online Help System.
User's and
Service Guide

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Summary of Contents for Keysight Technologies U3047AM12

  • Page 1 Keysight Technologies U3047AM12 Multiport Test Set NOTICE: This document contains references to Agilent Technologies. Agilent’s former Test and Measurement business has become Keysight Technologies. For more information, go to www.keysight.com. Use this manual with the following document: PNA Series Network Analyzer Online Help System.
  • Page 2 U.S. government acquires agreement and written consent EXPRESS OR IMPLIED WITH REGARD commercial computer software from Keysight Technologies, Inc. as TO THIS MANUAL AND ANY under the same terms by which the INFORMATION CONTAINED HEREIN, governed by United States and...

  • Page 3: Table Of Contents

    U3047AM12 Introduction ............8 Description .
  • Page 4 RF Path Configuration ..........34 Multiport Mode .
  • Page 5 Replaceable Parts ..........68 System Block Diagram .
  • Page 6 Battery ............94 EMC .
  • Page 7 U3047AM12 Keysight U3047AM12 User's and Service Guide...

  • Page 8: Introduction

    U3047AM12 Introduction Introduction This document describes how to use and service the U3047AM12 Multiport Test Set. Figure 1 N5247A 4-Port with U3047AM12 Keysight U3047AM12 User's and Service Guide...

  • Page 9: Description

    U3047AM12 Description Description The Keysight U3047AM12 is a Multiport Test Set that adds 12 ports to extend the 4-port network analyzer to 16 full crossbar test ports with N-Port calibration capability. The Keysight U3047AM12 has the following key features: •...

  • Page 10: Verifying The Shipment

    If there is physical damage refer to “Contacting Keysight” on page 95. Keep the damaged shipping materials (if any) for inspection by the carrier and an Keysight Technologies representative. Network Analyzer Requirements All network analyzers require Option 551 for multiport operation (N-Port error correction and measurement capability).

  • Page 11: Available Options

    U3047AM12-1CP Rack Mount Kit with Handles (5063-9223*) * Previous color version (Agilent Palette 2000) Network Analyzer Interface Kit Options The U3047AM12 requires on of the following kits to interface the test set NOTE with your network analyzer. The interface kit model option includes...

  • Page 12: General Specifications

    • N5247A/B and N5227A/B maximum power is 450 W. • U3047AM12 maximum power is 350 W. This is a Safety Class I Product (provided with a protective earthing ground WARNING incorporated in the power cord). The mains plug shall be only be inserted in a socket outlet provided with a protective earth contact.

  • Page 13: Environmental Requirements

    For weight, dimensions and space requirements, refer to the network analyzer documentation that is used to configure the test set. Keysight U3047AM12 User's and Service Guide...

  • Page 14: Maximum Power Levels

    It is recommended that you do not operate components near damage levels CAUTION (+28 dBm). The power levels must be 3 dB below maximum level to ensure no damage. Table 5 Maximum Power Levels U3047AM12 Test Port RF Power Levels: PORT 5-16 +25 dBm U3047AM12 Access Ports: SOURCE OUT +15 dBm...

  • Page 15: Typical Reflection Tracking

    26.5 GHz to 43.5 GHz - 12 - 11 - 10 -3.5 43.5 GHz to 50 GHz - 16 - 13 - 10 50 GHz to 67 GHz - 17 - 14 - 11 Keysight U3047AM12 User's and Service Guide...

  • Page 16: Front And Rear Panel Features

    Test Set connected to the PNA-X will never have an ON Active LED. Instead, the last Test Set in the I/O cable chain will be the Test Set showing the Active LED status for all. Keysight U3047AM12 User's and Service Guide...
  • Page 17 LINE switch. Alternatively, an externally installed switch or circuit breaker (which is readily identifiable and is easily reached by the operator) may be used as a disconnecting device. Keysight U3047AM12 User's and Service Guide...
  • Page 18 Fuse (F 8 A/250V, 2110-0342) UL listed and CSA certified. For continued protection against fire hazard, replace fuses, only with WARNING same type and ratings. The use of other fuses, circuit breakers or materials is prohibited. Keysight U3047AM12 User's and Service Guide...
  • Page 19 U3047AM12 Front and Rear Panel Features Figure 4 Line Fuse Verify that the premise electrical voltage supply is within the range specified CAUTION on the instrument. Keysight U3047AM12 User's and Service Guide...

  • Page 20: Hardware Lock-Link Installation (U3021-60002)

    2. Remove the feet from the bottom of the analyzer. 3. Remove the 2 lower standoffs from the rear panel on the analyzer using a T20 Torx driver. Figure 5 Rear and Bottom Feet Standoffs (x2) Feet (x4) Keysight U3047AM12 User's and Service Guide...
  • Page 21 6. Install the left and right lock-links onto the test set, as shown in Figure 7 Figure 7 Install Lock-links to the Test Set Right lock-link Left Lock-link N5242-20138 N5242-20139 Screw 0515-2317 (x2) T15 M3.5X0.6 12 mm Keysight U3047AM12 User's and Service Guide...
  • Page 22 8. Secure the analyzer’s lower lock-links to the test set’s upper lock-link using the spring–loaded screws. If the analyzer's lock-links are not aligned with the screw holes, loosen the screws securing the feet to the instrument to align and tighten. Figure 9 Locked Keysight U3047AM12 User's and Service Guide...

  • Page 23: N5247A/B Or N5227A/B Rf Interface Cable Connections (U3021-60101)

    CPLR THRU U3047-20017 SOURCE OUT SOURCE IN Figure 10 illustrates the final two digits of the part number for each cable. The cables must be connected in the numeric order listed in Table 7 Keysight U3047AM12 User's and Service Guide...
  • Page 24 U3047AM12 N5247A/B or N5227A/B RF Interface Cable Connections (U3021-60101) Figure 10 16-Port Interface Connections 16 (x8) 17 (x8) Keysight U3047AM12 User's and Service Guide...

  • Page 25: Test Set I/O Cable Installation

    “System Operational Checks” on page 2. If the problem still exists, perform the “RF Switching Failures” on page 77 3. If a power hole or other failure still exists, refer to Contacting Keysight” “ on page Keysight U3047AM12 User's and Service Guide...

  • Page 26: System Operational Checks

    Figure 14 on page 28 Figure 15 on page 29 Ports 9 to 12 Figure 16 on page 29 Figure 17 on page 30 Ports 13 to 16 Figure 18 on page 30 Figure 19 on page 31 Keysight U3047AM12 User's and Service Guide...
  • Page 27 The trace ripple (peak-peak variation) will be higher than when using an ECal Module due to variation in your Short’s performance. If response is in question, perform a “Cal Kit Operational Check” on page Figure 12 Typical Reflection Response Ports 1 to 4 Keysight U3047AM12 User's and Service Guide...
  • Page 28 Test Set Port 5 Port 9 Port 13 Port 6 Port 10 Port 14 Port 7 Port 11 Port 15 Port 8 Port 12 Port 16 Figure 14 Typical Reflection Response Ports 5 to 8 Keysight U3047AM12 User's and Service Guide...
  • Page 29 Test Set Port 5 Port 6 Port 7 Port 8 Port 9 Port 13 Port 10 Port 14 Port 11 Port 15 Port 12 Port 16 Figure 16 Typical Reflection Response Ports 9 to 12 Keysight U3047AM12 User's and Service Guide...
  • Page 30 Test Set Port 9 Port 10 Port 5 Port 13 Port 6 Port 14 Port 7 Port 15 Port 8 Port 16 S1010 S1111 S1212 Figure 18 Typical Reflection Response Ports 13 to 16 Keysight U3047AM12 User's and Service Guide...
  • Page 31 RCVR SIGNAL SOURCE SIGNAL Test Set Port 13 Port 14 Port 15 Port 16 Port 5 Port 9 Port 6 Port 10 Port 7 Port 11 Port 8 Port 12 S1313 S1414 S1515 S1616 Keysight U3047AM12 User's and Service Guide...

  • Page 32: Controlling The Test Set

    1. On the network analyzer select STIMULUS > Sweep > Sweep Setup. 2. Select Stepped Sweep. 3. Set the Dwell Time to 5 ms > OK. Figure 20 Sweep Setup for PNA-X N52xxA Models Keysight U3047AM12 User's and Service Guide...
  • Page 33 1. Select [Sweep] > Sweep Setup > Timing. 2. Select Timing tab. 3. Select Sweep Mode: Stepped. 4. De-select Time: Auto Sweep Time. 5. Set Dwell Time > Apply > OK. Figure 21 Sweep Setup for PNA-X N52xxB Models Keysight U3047AM12 User's and Service Guide...

  • Page 34: Rf Path Configuration

    Preset by selecting Save > User Preset > Save current state as User Preset. Do not use the factory Preset (User Preset Off), the analyzer will return to Option 029 path configuration. Figure 22 RF Path Configuration Keysight U3047AM12 User's and Service Guide...

  • Page 35: Multiport Mode

    The current version of the test set files are available on the web at http://na.support.keysight.com/multiport. Copy the appropriate file to the ‘c:\program files\Keysight\Network Analyzer\testsets’ directory. Test Set Selection Figure 23 Keysight U3047AM12 User's and Service Guide...

  • Page 36: External Test Set Control Operation

    This menu will allow the physical Ports 1 thru 16 to be identified as any port for your convenience. For example, Port 5 can be re-named Port 2. The External Test Set Control-U3047AM12 also allows control of the DUT control lines, refer to “Control Lines”...

  • Page 37: Selecting S-Parameter Measurement

    S-Parameter Tab: Multiple S-Parameters can be made from the New Trace menu. In the drop-down menu select Trace/Chan > Trace > New Trace -OR- (Instrument > Trace > New Trace). The dialog box allows the selection of any of the 144 S-Parameters. Keysight U3047AM12 User's and Service Guide...
  • Page 38 For more information on balanced (differential) component measurement, refer to the Application Note 1373-1 and 1373-2 (5988-5634EN and 5988-5635EN) at http://www.keysight.com. In the search menu type “Multiport and Balanced.” Figure 27 Selecting Balanced Measurements Keysight U3047AM12 User's and Service Guide...
  • Page 39 Controlling the Test Set Receivers Tab The S-Parameter measurements can be ratioed with selectable Denominators for each port and receiver. Refer to the standard network analyzer documentation for more information. Figure 28 Receiver Measurements Keysight U3047AM12 User's and Service Guide...

  • Page 40: N-Port Calibration

    Measurement errors can be a result of firmware algorithms. Consult with Keysight Service or firmware web page for the latest Option 551 firmware revisions and history. http://na.support.keysight.com/pna/firmware/firmware Figure 29 ECal Characterization Keysight U3047AM12 User's and Service Guide...
  • Page 41 Measure reflection and confirm the return loss is as expected. If the result is not as expected, repeat the calibration without the test set and ensure that the network analyzer is in standard (non-multiport) mode. Keysight U3047AM12 User's and Service Guide...
  • Page 42 If measurement errors occur, ensure the newest version of firmware is NOTE installed on the network analyzer. Measurement errors can be a result of firmware algorithms. Consult with Keysight Service or firmware web page for the latest Option 551 firmware revisions and history. http://na.support.keysight.com/pna/firmware/firmware Keysight U3047AM12 User's and Service Guide...

  • Page 43: Interface Control Mode

    • Control data is sent in the following order and this order cannot be changed: Refer to the Help menu. 1. GPIB Interface 2. Material Handler Interface 3. Test Set Interface 4. Dwell Time Keysight U3047AM12 User's and Service Guide...

  • Page 44: How To Access Interface Control Mode

    Please review this application before connecting the test set to the network analyzer. Information regarding this application can be found in the network analyzer Help menu, Interface Control. The application is shown below. Figure 32 Enabling Interface Control Keysight U3047AM12 User's and Service Guide...

  • Page 45: Using Interface Control Mode

    The front panel Enter key can be used to insert a new line into the field. The quantity of test set I/O entries that can be entered is limited by the available memory of the network analyzer. Keysight U3047AM12 User's and Service Guide...
  • Page 46 Interface control uses an *.xml file type. An example file is stored on the network analyzer hard drive. You can recall it into the dialog, or you can open and edit it with a word processor, such as WordPad. Keysight U3047AM12 User's and Service Guide...
  • Page 47 Controlling the Test Set Applies the settings and closes the dialog box. Cancel: Does not apply changes that were made and closes the dialog box. Help: Provides additional information for using the interface control application. Keysight U3047AM12 User's and Service Guide...

  • Page 48: Scpi Control Mode

    Command Processor Console in the network analyzer Help menu. • Command Processor settings can not be saved or recalled. • Address and data can be written from the Command Processor. Keysight U3047AM12 User's and Service Guide...

  • Page 49: How To Access The Command Processor

    (System Setup > Remote Interface > SCPI Monitor Input > Show SCPI Parser Console). 2. Check the SCPI Command Processor Console box. Figure 34 Command Console for 'A' Model Analyzers Command Console for 'B' Model Analyzers Figure 35 Keysight U3047AM12 User's and Service Guide...

  • Page 50: Scpi Command Processor Console

    This second command feeds the newly created measurement named “ch1_S10_10” to trace 2 on the PNA-X so that it will be displayed on the PNA-X screen. DISP:WIND1:TRAC2:FEED 'ch1_S10_10' NOTE: Here are syntax format examples for single digit S-parameters: ‘ch1_S99’ ‘ch1_S22’ ‘ch1_S9_10’ ‘ch1_S10_9’ Keysight U3047AM12 User's and Service Guide...
  • Page 51 Address and Data values are separated by a comma. Commands should be separated by a new line, or carriage return. For example: CONT:EXT:TEST:DATA <address>,<data> CONT:EXT:TEST:DATA 0,0 Example: CONT:EXT:TEST:DATA 0,0 Figure 37 Method 2 - Using Test Set Address and Data Values Keysight U3047AM12 User's and Service Guide...

  • Page 52: Address And Data Values

    Table 9 Test Port Address and Data Values Address Source Path Receiver Path Data Ports Ports Ports Ports Refer to Figure 51, “U3047AM12 RF Block Diagram,” page 70 for in- depth RF path information. Keysight U3047AM12 User's and Service Guide...
  • Page 53 Address and Data Values Figure 38 Address and Data Example 1 (Port 5 and 6) PNA-X Port 1 Port 3 TEST SET Port 5 Port 6 Port 9 Port 13 Receiver Port Source Port Keysight U3047AM12 User's and Service Guide...

  • Page 54: Control Lines

    100 mA (each line) Control Line DC resistance < 10 W (each line) Voltage Range: Positive Input 0 to +5 V Negative Input –5 to 0 V Internal Variable Voltage +2 to +5 V Keysight U3047AM12 User's and Service Guide...
  • Page 55 Internal voltage output, adjusted with the trimmer on the rear panel. Positive Input Connection for internal (pin 12) or external positive voltage supply. Negative Input Connection for ground (pin 15) or external negative voltage supply. ground terminal Keysight U3047AM12 User's and Service Guide...

  • Page 56: Internal Voltage Supply Configuration

    CAUTION other paths are short-circuited. Figure 40 Internal DC Power Configuration (rear panel view) Line 1 Line 2 (Rear Panel View) TO DUT (Only required Lines) Line 8 2 to 5 Vdc TEST SET Keysight U3047AM12 User's and Service Guide...

  • Page 57: External Voltage Supply Configuration

    Test Set to the DUT and External DC Power Supply Line 1 Line 2 (Rear Panel View) TO DUT (Only required Lines) DC Power Supply Line 8 2 to 5 Vdc Positive: 0 to 5 Vdc Negative: 5 to 0 Vdc TEST SET Keysight U3047AM12 User's and Service Guide...

  • Page 58: Setting The Control Lines With Address And Data Values

    DUT Control Line 6 set to logic low or connected to Pin 14 DUT Control Line 7 set to logic low or connected to Pin 14 DUT Control Line 8 set to logic low or connected to Pin 14 Keysight U3047AM12 User's and Service Guide...
  • Page 59 4. Front panel network analyzer Interface Control Mode line entry = 112.6 > OK. Since all control lines have the same <address>, only one "<address>.<data>" NOTE command line is needed to control all 8 lines. Keysight U3047AM12 User's and Service Guide...

  • Page 60: Cal Kit Operational Check

    Cal Kit Operational Check The following procedure can be used to confirm the 1-Port Cal operation of an ECal module or Mechanical Cal Kit with the U3047AM12 Test Set. The operation verification limits provided ensure that your U3047AM12 and network analyzer are operating properly. Refer to “Verifying Cal Kit...

  • Page 61: Equipment Required

    U3047AM12 Cal Kit Operational Check Equipment Required The Keysight U3047AM12 requires that the user be familiar with the equipment listed. Table 14 Equipment List Description N4694A 1.85 mm ECal Module 10 MHz - 67 GHz (Option 00F or M0F) or 85058B Verification Kit.

  • Page 62: 1-Port Calibration And Verification Procedure

    If you do not have a keyboard, select Save As User Calset > Edit Name and save as 999.x. X is the port number you are calibrating. Use the numeric keypad on the network analyzer front panel to enter “999.1.” Keysight U3047AM12 User's and Service Guide...
  • Page 63 10.Compare the Reflection Tracking (1,1) trace to the appropriate limits in Table 6 page 15 . The trace should be above the limit. 11.Repeat step 9 step 10 for Cal Sets “999.1” thru “999.16” (16-Port). Keysight U3047AM12 User's and Service Guide...
  • Page 64 U3047AM12 Cal Kit Operational Check Figure 45 Typical Reflection Tracking (Ports 1 to 4) Figure 46 Typical Reflection Tracking (Ports 5 to 8) Keysight U3047AM12 User's and Service Guide...
  • Page 65 1. Select Response > Cal > More > ECal > ECal Confidence Check. 2. Click Change Measurement and select the test port S-Parameter > Apply > OK. 3. Click Read Module Data. For further information, refer to the Help menu. Keysight U3047AM12 User's and Service Guide...

  • Page 66: Verifying Cal Kit Operational Check Failure

    If the Choose Stimulus Settings prompt appears, Select Change the active channel's stimulus. > OK > Close. 4. Select [Response] > Cal > More > ECal > ECal Confidence Check -OR- (Response > Cal > ECal Confidence Check...). Keysight U3047AM12 User's and Service Guide...
  • Page 67 S-parameter > Apply > OK. Click Read Module Data. 6. Select ECal Module dialog box: Select the ECal Module you are using, and select the ECal Module Memory and Factor ID > OK. Figure 50 ECal Confidence Check Trace Keysight U3047AM12 User's and Service Guide...

  • Page 68: Service Information

    U3047AM12 Service Information Service Information This section provides information to troubleshoot and repair the U3047AM12 Test Set. Refer to “Keysight Support, Services, and Assistance” on page 95 for information on returning your test set to Keysight Technologies. No operator serviceable parts inside. Refer servicing to qualified WARNING personnel.
  • Page 69 M3.5 with 0.6 thread, 12 mm-LG U3047A-M12 User’s and Service Guide U3047-90001 Hardware kit to secure the network analyzer to the test U3021-60002 RF-Cable Kit to connect network analyzer to the test set U3021-60101 Keysight U3047AM12 User's and Service Guide...

  • Page 70: System Block Diagram

    U3047AM12 RF Block Diagram CPLR ARM RCVR OUT SOURCE IN CPLR THRU CPLR ARM RCVR OUT SOURCE IN CPLR THRU CPLR ARM RCVR OUT SOURCE IN CPLR THRU CPLR ARM RCVR OUT SOURCE IN CPLR THRU Keysight U3047AM12 User's and Service Guide...
  • Page 71 U3047AM12 Service Information Figure 52 Electrical Block Diagram AC IN Test Set Interface Pass Thru Interface Ext. DUT Control Keysight U3047AM12 User's and Service Guide...

  • Page 72: Theory Of Operation

    Test Set I/O for control of the RF switch paths (through the Switch Interface board (U3025-60068). The front panel “Active” and port LEDs are on only when the network analyzer has addressed the U3047AM12 test set. The rear panel fan is on when the controller board supplies are operational.

  • Page 73: Rf Coupler

    Port 8, 12 and 16. In the state shown in the block diagram, switch 40 routes the RF Source back to the network analyzer Port 2, and the test set Source path to Ports 8, 12 and 16 are terminated. Keysight U3047AM12 User's and Service Guide...
  • Page 74 Port 8, 12 and 16. In the state shown in the block diagram, switch 43 routes the Port 2 Coupler Arm to the Receiver, and test set Ports 8, 12 and 16 Coupler Arm paths are terminated. Keysight U3047AM12 User's and Service Guide...

  • Page 75: Troubleshooting The Test Set

    U3047AM12 Service Information Troubleshooting the Test Set If the U3047AM12 is not operating properly, use the following procedures to isolate and repair the type of failure encountered. It is recommended that a qualified service technician perform the following procedures. Refer to the Keysight PNA Series: Service & Support Home Page at: http://na.support.keysight.com/pna...
  • Page 76 Verify that the control voltage pin connections to the DUT control lines are connected properly. Refer to “Control Lines” on page 54 b. Verify that the rear panel DC voltage control adjustment can be set to 5 Vdc. Refer Figure 3 on page 17 Keysight U3047AM12 User's and Service Guide...

  • Page 77: Rf Switching Failures

    . If the LEDs are Off, remove the Switch Driver board, if the LEDs remain Off, replace the Controller board. b. If the Status LEDs are On and the front panel Active LED is On, suspect the front panel LED board or the ribbon cable (replace as needed). Keysight U3047AM12 User's and Service Guide...

  • Page 78: Test Set Rf Switching Path

    RF switches for this testing. After making your entry select <OK> to execute the command, to return back for further entries, select Interface Control on the network analyzer display. Keysight U3047AM12 User's and Service Guide...

  • Page 79: Cable Connections

    Source Signal Path Insertion Loss Test Connect the RF Flex cables to the Test Port and Source IN port indicated in Table 17. The expected results should be similar to Figure 54 through Figure 56 on page Keysight U3047AM12 User's and Service Guide...
  • Page 80 Figure 55 on page 81 Source IN to Port 16 64.8 P16 CPLR, S40, 41, 42 & 46 Figure 56 on page 81 a. Use the Source IN port associated with this group of test ports. Keysight U3047AM12 User's and Service Guide...
  • Page 81 Service Information Figure 54 Source IN to Ports 5 to 8 Path Response Figure 55 Source IN to Ports 9 to 12 Path Response Figure 56 Source IN to Ports 13 to 16 Path Response Keysight U3047AM12 User's and Service Guide...
  • Page 82 Figure 58 on page 83 RCVR OUT to Ports 16 64.128 P16 CPLR, S43, 44, 45 & 47 Figure 59 on page 83 a. Use the RCVR OUT port associated with this group of test ports. Keysight U3047AM12 User's and Service Guide...
  • Page 83 Service Information Figure 57 RCVR OUT to Ports 5 to 8 Path Response Figure 58 RCVR OUT to Ports 9 to 12 Path Response Figure 59 RCVR OUT to Ports 13 to16 Path Response Keysight U3047AM12 User's and Service Guide...
  • Page 84 16.0 Port 7, 11, Source IN to CPLR THRU 32.0 Port 8, 12, Source IN to CPLR THRU 64.0 Figure 60 Source IN to CPLR THRU & RCVR OUT to CPLR ARM Path Response Keysight U3047AM12 User's and Service Guide...

  • Page 85: Rf Performance Failures

    The following procedures can be used to isolate the failed component. Suspect the coax switches (N1811-60019), RF cables, or coupler (5087-7754). The RF performance of the U3047AM12 depends on the performance of the NOTE network analyzer. Ensure the network analyzer is meeting specification before continuing.
  • Page 86 Figure 61 Test Set Top View Switch Interface Bd DUT Control Bd (top Bd) Test Set Control Bd (bottom Bd) Upper Switches (x16) (Receiver) Coupler/Test Ports (x16) Keysight U3047AM12 User's and Service Guide...
  • Page 87 U3047AM12 Service Information Figure 62 Test Set Bottom View Line Module Power Supply Fuse (x2) Switch (x16) (Source) Keysight U3047AM12 User's and Service Guide...

  • Page 88: Safety And Regulatory Information

    Declaration of Conformity A copy of the Declaration of Conformity is available upon request, or a copy is available on the Keysight Technologies web site at http://regulations.about.keysight.com/DoC/search.htm Statement of Compliance This product has been designed and tested in accordance with accepted industry standards, and has been supplied in a safe condition.

  • Page 89: Before Applying Power

    This instrument has autoranging line voltage input, be sure the supply voltage is within the specified range and voltage fluctuations do not to exceed 10 percent of the nominal supply voltage. Keysight U3047AM12 User's and Service Guide...

  • Page 90: Servicing

    Remove the power cord to the instrument. To clean the connectors use alcohol in a well ventilated area. Allow all residual alcohol moisture to evaporate, and fumes to dissipate prior to energizing the instrument. Keysight U3047AM12 User's and Service Guide...
  • Page 91 To prevent electrical shock, d isconnect the Keysight Technologies WARNING U3047AM12 from the main electrical supply before cleaning. Use a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt to clean internally.

  • Page 92: Electrostatic Discharge Protection

    2. While wearing a grounded wrist strap, grasp the outer shell of the cable connector. 3. Connect the other end of the cable to the test port and remove the short from the cable. Figure 63 ESD Protection Setup Keysight U3047AM12 User's and Service Guide...

  • Page 93: Instrument Markings

    Forty years is the expected useful life of the product. This symbol on all primary and secondary packaging indicates compliance to China standard GB 18455-2001. South Korean Certification (KC) mark; includes the marking's identifier code which follows the format: MSIP-REM-YYY-ZZZZZZZZZZZZZZ. Keysight U3047AM12 User's and Service Guide...
  • Page 94 Safety and Regulatory Information Battery: Do not throw batteries away but collect as small chemical waste, or in accordance with your country’s requirements. You may return the battery to Keysight Technologies for disposal. Refer to “Contacting Keysight” on page 95 for assistance.
  • Page 95 It is imperative, therefore, that you make a backup copy of your critical test data located on the analyzer’s hard disk before shipping it to Keysight for repair. If you wish to send your instrument to Keysight Technologies for service or repair: •...
  • Page 96 This information is subject to change without notice. © Keysight Technologies 2011-2015, 2017, 2019 Print Date: August 2019 Supersedes: January 2017 www.keysight.com...

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