Keysight Technologies U3020AS22 User's And Service Manual
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Keysight Technologies U3020AS22 User's And Service Manual

Keysight Technologies U3020AS22 User's And Service Manual

Multiport test set
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Keysight Technologies
U3020AS22
Multiport Test Set
Notice: This document contains references to Agilent.
Please note that Agilent's Test and Measurement business
has become Keysight Technologies. For more information,
go to www.keysight.com.
User's and
Service Guide

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  • Page 1 Keysight Technologies U3020AS22 Multiport Test Set Notice: This document contains references to Agilent. Please note that Agilent’s Test and Measurement business has become Keysight Technologies. For more information, go to www.keysight.com. User’s and Service Guide...
  • Page 2 COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH government requirements THESE TERMS, THE WARRANTY beyond those set forth in the © Keysight Technologies, Inc. TERMS IN THE SEPARATE EULA shall apply, except to the 2014, 2016 AGREEMENT WILL CONTROL.

  • Page 3: Table Of Contents

    IP Address Command 20 Auto IP Address Command 20 DHCP Command 21 DNS Command 22 Domain Name Command 23 Gateway Address Command 23 Host Name Command 24 GPIB Address Command 24 Performance Verification 26 Equipment Required 26 Keysight U3020AS22 User’s and Service Guide...
  • Page 4 Battery Collection 45 Electrical Safety Compliance 45 EMI and EMC Compliance 45 Keysight Support, Services, and Assistance 46 Service and Support Options 46 Contacting Keysight 46 Shipping Your Product to Keysight for Service or Repair 46 Keysight U3020AS22 User’s and Service Guide...
  • Page 5 U3020AS22 Keysight U3020AS22 User’s and Service Guide...

  • Page 6: Description

    Description Description The Keysight U3020AS22 is a 300 kHz to 26.5 GHz single connection multiple measurement tests set with 4 ports in the forward path (a1-4), and 4 ports in the reverse path (b1-4) that allow the user to connect a full 12-Port matrix.

  • Page 7: Verifying The Shipment

    If there is physical damage refer to “Contacting Keysight” on page 46. Keep the damaged shipping materials (if any) for inspection by the carrier and a Keysight Technologies representative. Keysight U3020AS22 User’s and Service Guide...

  • Page 8: General Performance

    Test Set. — U3022AS22 maximum power is 50 W. Environmental Tests The U3020AS22 complies with all applicable safety and regulatory requirements for the intended location of use. — Operating Environment (Indoor Use) —...

  • Page 9: Dimensions And Space Requirements

    U3020AS22 General Performance Dimensions and Space Requirements Standard installation of the U3020AS22 includes configuration and installation on a customer provided lab bench, or table top of adequate size and strength. Table 1 Test Set Dimensions Item Length/Weight Width 42.5 cm (16.73 in) Depth 58 cm (22.83 in)

  • Page 10: Rf Channel Performance

    300 kHz to 6 GHz 20.0 6 to 26.5 GHz 70.0 1. All front panel ports when internally terminated. 2. For A and B Ports 1 to 4 to the same test port switch paths. Keysight U3020AS22 User’s and Service Guide...

  • Page 11: Front And Rear Panel Features

    Port Status LED display will show Port A 1 (green), Port B2 (amber), and Test Port 1 (bright yellow). To avoid this switch configuration error, do not send switch commands that select the same Test Port. Keysight U3020AS22 User’s and Service Guide...
  • Page 12 B Ports only. Instrument State LEDs When the power is applied to the U3020AS22, the instrument enters its power-on sequence which requires several seconds to complete. The LEDs provide information on the state of the instrument during power-on and upgrades of the instrument firmware.
  • Page 13 Always use the three-prong AC power cord supplied with this product. Failure to ensure adequate grounding by not using this cord may cause damage to the product. Keysight U3020AS22 User’s and Service Guide...

  • Page 14: Controlling The Test Set

    Connect the Test Set and your controlling computer to an active instrument LAN line. Open the Internet browser application on the computer. Enter this default web address on your browser application: http://U3020AS22-xxxx The Welcome screen for the instrument should be viewable if the LAN connection is working.

  • Page 15: Test Set Control Commands

    " a2p5", will create a signal path from A Port 2 to Test Port 5. " b2p10", will create a signal path from B Port 2 to Test Port 10. Figure 4 Measurement Example Keysight U3020AS22 User’s and Service Guide...
  • Page 16 A Port 3 to Test Port 1 unselected Ports are terminated a3p2 A Port 3 to Test Port 2 unselected Ports are terminated a3p3 A Port 3 to Test Port 3 unselected Ports are terminated Keysight U3020AS22 User’s and Service Guide...
  • Page 17 B Port 1 to Test Port 4 unselected Ports are terminated b1p5 B Port 1 to Test Port 5 unselected Ports are terminated b1p6 B Port 1 to Test Port 6 unselected Ports are terminated Keysight U3020AS22 User’s and Service Guide...
  • Page 18 B Port 3 to Test Port 7 unselected Ports are terminated b3p8 B Port 3 to Test Port 8 unselected Ports are terminated b3p9 B Port 3 to Test Port 9 unselected Ports are terminated Keysight U3020AS22 User’s and Service Guide...
  • Page 19 A Port 3 to B Port 2 unselected Ports are terminated a3b3 A Port 3 to B Port 3 unselected Ports are terminated a3b4 A Port 3 to B Port 4 unselected Ports are terminated Keysight U3020AS22 User’s and Service Guide...
  • Page 20 LEDs on display diagnosis check LED_YEL all yellow LEDs on display diagnosis check LED_ORG orange LED on display diagnosis check LED_ON all LEDs on display diagnosis check LED_OFF all LEDs off display diagnosis check Keysight U3020AS22 User’s and Service Guide...

  • Page 21: Adding Instruments To The Lan Interface

    5. The available computer interfaces are configured during installation of the Agilent IO Libraries and are displayed in the left column (Explorer Pane). The properties of the configured interface are displayed in the right column (Propertied Pane). Keysight U3020AS22 User’s and Service Guide...
  • Page 22 3. Select the desired instruments from the list and click OK. Communication paths to the instruments are verified and the instruments are added to the configured interface. Figure 7 Adding Instruments Keysight U3020AS22 User’s and Service Guide...

  • Page 23: Configuring The Gpib Interface

    1. From the Agilent Connection Expert application window, highlight the instrument that's address was changed and click Change Properties in the Configurable Properties application window, change the address to the new address setting and select OK. Keysight U3020AS22 User’s and Service Guide...

  • Page 24: Lan Configuration Commands

    IP address to the U3020A when on a network that does not have DHCP servers. Syntax SYSTem:COMMunicate:LAN:AUTOip {OFF|0|ON|1} SYSTem:COMMunicate:LAN:AUTOip? Example The following command disable the Auto-IP: SYST:COMM:LAN:AUTOIP OFF The following query returns the current Auto-IP setting: SYST:COMM:LAN:AUTOIP? Typical Response: 0 Keysight U3020AS22 User’s and Service Guide...

  • Page 25: Dhcp Command

    If you change the DHCP setting, you must cycle power on the U3020A to activate the new setting. Example The following command disables DHCP: SYST:COMM:LAN:DHCP OFF The following query returns the current DHCP setting: SYST:COMM:LAN:DHCP? Typical Response: 0 Keysight U3020AS22 User’s and Service Guide...

  • Page 26: Dns Command

    Example The following command sets the DNS address: SYST:COMM:LAN:DNS 198.105.232.4 The following query returns the DNS address currently being used by the instrument (the quotes are also returned). SYST:COMM:LAN:DNS? Typical Response: "198.105.232.4" Keysight U3020AS22 User’s and Service Guide...

  • Page 27: Domain Name Command

    Example The following command sets the Default Gateway address: SYST:COMM:LAN:GATEWAY 255.255.20.11 The following query returns the Default Gateway address currently being used by the instrument (the quotes are also returned). SYST:COMM:LAN:GATEWAY? Typical Response: "255.255.20.11" Keysight U3020AS22 User’s and Service Guide...

  • Page 28: Host Name Command

    If you change the GPIB address, you must cycle power on the U3020A to activate the new address. Example The following command sets the GPIB address to 26: SYST:COMM:GPIB:ADDR 26 The following query returns the current GPIB address: SYST:COMM:GPIB:ADDR? Keysight U3020AS22 User’s and Service Guide...
  • Page 29 U3020AS22 Controlling the Test Set Typical Response: 26 For a complete list of SCPI commands, refer to the Keysight L449xA RF Switch Platform User’s Guide (L4490-90001). Keysight U3020AS22 User’s and Service Guide...

  • Page 30: Performance Verification

    4. PNA frequency range: 10 MHz to 26.5 GHz. 5. Set the PNA to Measure S21, Scale to 5 dB/Div. Figure 9 Equipment Setup MEASUREMENT Port 1 Port 2 Port 1 Port 2 Test Set INSTRUMENT CONTROLLER Keysight U3020AS22 User’s and Service Guide...

  • Page 31: Measurement Setup

    9. Execute each of the available switch path selections from the SCIP command listing and observe that the correct Status LED display pattern is ON, and that the S21 path response is similar to that provided in Figure Figure 10 Typical Port Match Plot Keysight U3020AS22 User’s and Service Guide...
  • Page 32 U3020AS22 Performance Verification Figure 11 Typical Insertion Loss Plot Figure 12 Typical Port Isolation Plot Keysight U3020AS22 User’s and Service Guide...

  • Page 33: Service Information

    Replaceable Parts Replacement Part Part Number Part Reference Bulkhead Connector, 3.5 mm f/f 1250-3805 RF Switch, SP4T, 24 Vdc S13-14 87104-60045 RF Switch, SP6T, 24 Vdc 87106-60065 S15-19 RF Switch, SPDT, 24 Vdc N1810-60097 S1-12 Keysight U3020AS22 User’s and Service Guide...

  • Page 34: Electrostatic Discharge Protection

    — Conductive floor-mat and heal-strap combination Both types, when used together, provide a significant level of ESD protection. To ensure user safety, static-safe accessories must provide at least 1 M Ohm of isolation from ground. Keysight U3020AS22 User’s and Service Guide...

  • Page 35: Theory Of Operation

    U3020AS22 Service Information Theory of Operation This section provides a general description of the U3020AS22 Test Set, followed by a more detailed operating theory. The operation of each component group is briefly described to the assembly level only. If you need to disassemble the instrument, be sure to work at an anti-static workstation and use a grounded wrist strap to prevent damage from electrostatic discharge (ESD).
  • Page 36 U3020AS22 Service Information Figure 13 Test Set Block Diagram Exp Bus Port 2 Exp Bus Port 1 Cntrl Bus Keysight U3020AS22 User’s and Service Guide...

  • Page 37: Controller Module And Power Supply

    I/O port and the front panel Port LED board. LED Indicator Board This board provides an LED indication of the Port setting in the Test Set. The LED indicator board is driven by the digital IO of the Test Set. Keysight U3020AS22 User’s and Service Guide...

  • Page 38: Troubleshooting

    Measure the DC voltage between the red and black wires. The red wire should measure approximately +12 Vdc. d. If any voltages are not present, the controller module power supply will need to be replaced. Keysight U3020AS22 User’s and Service Guide...

  • Page 39: Front Panel Input Port Leds

    Port to be selected, it is possible that the instrument Power On preset set has been corrupted. c. Contact Keysight Technologies for support in recovering this preset set. d. If no audible sound is heard, remove the top cover of the instrument.

  • Page 40: Non-Volatile Memory Error

    2. If the State LEDs are abnormal, follow the steps on page 3. To confirm that the instrument sequences are correct, access the instrument web page at: http://U3020AS22-xxxx (xxxx = last four digits of the serial number). 4. On the instrument web page, select "Browser Web Control," then "Sequences..."...
  • Page 41 U3020AS22 Service Information Figure 14 Top View (Component Locations) 87104C (x2) 87106C (x6) N1810UL (x12) Keysight U3020AS22 User’s and Service Guide...
  • Page 42 U3020AS22 Service Information Figure 15 Bottom View (Component Locations) Controller Module & Power Supply Digital I/O Relay Driver 34945 Ext. (Master) 34945 Ext (Slave) Keysight U3020AS22 User’s and Service Guide...
  • Page 43 U3020AS22 Service Information Figure 16 34945 EXT (Distribution Boards) Y1154A Y1154A Y1151A Y1151A Y1151A Y1151A Master Slave Keysight U3020AS22 User’s and Service Guide...

  • Page 44: Safety And 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 https://regulations.about.keysight.com/DoC/default.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 45: Before Applying Power

    (outside the cabinet) must be less than the maximum operating temperature of the instrument by 4 °C for every 100 watts dissipated in the cabinet. If the total power dissipated in the cabinet is greater than 800 watts, forced convection must be used. Keysight U3020AS22 User’s and Service Guide...

  • Page 46: Connector Care And Cleaning Precautions

    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 U3020AS22 User’s and Service Guide...
  • Page 47 U3020AS22 Safety and Information To prevent electrical shock, disconnect the Keysight U3020AS22 from mains 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 48: Regulatory Information

    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 U3020AS22 User’s and Service Guide...

  • Page 49: Battery Collection

    A 급 기기 ( 업무용 방송통신기자재 ) 이 기기는 업무용 (A 급 ) 전자파적합기 기로서 판 매자 또는 사용자는 이 점을 주 의하시기 바라 며 , 가정외의 지역 에서 사용하는 것을 목적으 로 합니다 . Keysight U3020AS22 User’s and Service Guide...

  • Page 50: Keysight Support, Services, And Assistance

    Keysight for repair. If you wish to send your instrument to Keysight Technologies for service or repair: — Include a complete description of the service requested or of the failure and a description of any failed test and any error message.
  • Page 51 Keysight U3020AS22 User’s and Service Guide...
  • Page 52 This information is subject to change without notice. © Keysight Technologies 2014, 2016 Edition 1 July 2016 Supersedes: August 2014 www.keysight.com...

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