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U3020AS22
Service Information

1-

Figure 15

Bottom View (Component Locations)

A

B

Controller Module & Power Supply

Digital I/O Relay
Driver

34945 Ext.

34945 Ext
(Slave)

(Master)

Keysight U3020AS22 User’s and Service Guide

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Summary of Contents for U3020AS22

Page 1: ...Multiport Test Set User s and Service Guide Notice This document contains references to Agilent Please note that Agilent s Test and Measurement business has become Keysight Technologies For more info...

Page 2: ...oftware to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The...

Page 3: ...Connection using Your Company s Intranet 10 Test Set Control Commands 11 Adding Instruments to the LAN Interface 17 Configuring the LAN Interface 17 Locating the Instrument 17 Configuring the GPIB Int...

Page 4: ...nformity 40 Statement of Compliance 40 Before Applying Power 41 Connector Care and Cleaning Precautions 42 Regulatory Information 44 Instrument Markings 44 Battery Collection 45 Electrical Safety Comp...

Page 5: ...Keysight U3020AS22 User s and Service Guide 1 U3020AS22...

Page 6: ...e reverse path b1 4 that allow the user to connect a full 12 Port matrix There are two AUX output ports that allow the unit to connect to another multiport test set or for some other application This...

Page 7: ...ded with the shipment Inspect the shipping container If the container or packing material is damaged it should be kept until the contents of the shipment have been checked mechanically and electricall...

Page 8: ...al voltage Air conditioning equipment or other motor operated equipment should not be placed on the same ac line that powers the Test Set U3022AS22 maximum power is 50 W Environmental Tests The U3020A...

Page 9: ...stomer provided lab bench or table top of adequate size and strength General RF Switch Specifications Table 1 Test Set Dimensions Item Length Weight Width 42 5 cm 16 73 in Depth 58 cm 22 83 in Height...

Page 10: ...tics Freq Range Limits Insertion Loss dB 300 kHz to 26 5 GHz 8 0 Return Loss1 dB 1 All front panel ports when internally terminated 300 kHz to 20 GHz 10 0 20 to 26 5 GHz 6 0 Isolation dB 300 kHz to 26...

Page 11: ...UX1 Port is switched to an A Port that port LED will display green When a Test Port or AUX2 Port is switched to a B Port that port LED will display amber When A Port and B Port are connected their res...

Page 12: ...e LED Definitions LED Color Instrument State ATTN LAN PWR Off Green Green Instrument in ready state LAN connection established instrument has an IP address firmware download complete ATTN LAN PWR flas...

Page 13: ...dily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of t...

Page 14: ...est 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 x...

Page 15: ...meters Refer to Table5 for the commands used to control the Test Set s predefined switch configurations Measurement Setup Example With the following sequence commands a2p5 and b2p10 the Test Set will...

Page 16: ...ted Ports are terminated 13 a1aux A Port 1 to Aux 1 unselected Ports are terminated 14 a2p1 A Port 2 to Test Port 1 unselected Ports are terminated 15 a2p2 A Port 2 to Test Port 2 unselected Ports are...

Page 17: ...ed 43 a4p4 A Port 4 to Test Port 4 unselected Ports are terminated 44 a4p5 A Port 4 to Test Port 5 unselected Ports are terminated 45 a4p6 A Port 4 to Test Port 6 unselected Ports are terminated 46 a4...

Page 18: ...d 72 b2p7 B Port 2 to Test Port 7 unselected Ports are terminated 73 b2p8 B Port 2 to Test Port 8 unselected Ports are terminated 74 b2p9 B Port 2 to Test Port 9 unselected Ports are terminated 75 b2p...

Page 19: ...e terminated 101 b4p10 B Port 4 to Test Port 10 unselected Ports are terminated 102 b4p11 B Port 4 to Test Port 11 unselected Ports are terminated 103 b4p12 B Port 4 to Test Port 12 unselected Ports a...

Page 20: ...4 unselected Ports are terminated 121 atem A Ports 1 to 4 terminated A port paths terminated 122 bterm B ports 1 to 4 terminated B port paths terminated 123 LED_GRN all green LEDs on display diagnosi...

Page 21: ...C 2 Turn On the Test Set 3 Select IO Control icon Agilent Connection Expert from the application window Figure 5 Agilent Connection Expert Locating the Instrument Agilent Connection Expert opens with...

Page 22: ...network for instruments 2 Select Add LAN Instrument on LAN TCPIP0 OK Agilent Connection Expert performs an automatic find of all instruments on the same subnet as the computer 3 Select the desired ins...

Page 23: ...ert Adding Instruments to the GPIB Configuration 1 Select Add Instrument on the tool bar 2 Select GPIB Interface OK 3 Select U3020A s Address in the GPIB address drop down list OK Factory set address...

Page 24: ...IP address it was assigned to Example The following command sets the IP address SYST COMM IPAD 169 254 149 35 The following query returns the IP address currently being used by the instrument quotes a...

Page 25: ...n IP address from the DHCP server If a DHCP server is found it will assign a Dynamic IP address Subnet Mask and Default Gateway to the instrument When the DHCP is disable or unavailable the instrument...

Page 26: ...5 232 4 DNS Command This command assigns the IP address of the Domain Name System DNS server Contact your network administrator to determine if DNS is being used and for the correct address Syntax SYS...

Page 27: ...ommand This command assigns a Default Gateway for the U3020A The specified IP Address sets the Default Gateway which allows the instrument to communicate with systems that are not on the local subnet...

Page 28: ...nes a Host Name SYST COMM LAN HOST U3020AS22 0101 The following query returns the Host Name currently being used by the instrument the quotes are also returned SYST COMM LAN HOST Typical Response U302...

Page 29: ...ight U3020AS22 User s and Service Guide U3020AS22 Controlling the Test Set 1 Typical Response 26 For a complete list of SCPI commands refer to the Keysight L449xA RF Switch Platform User s Guide L4490...

Page 30: ...ange RF coaxial cables with 3 5 mm connectors Equipment Setup 1 Configure PNA and Test Set as shown in Figure 7 2 Turn On the PNA and Test Set The Test Set LED Indicators should indicate the following...

Page 31: ...he LAN connection 7 Execute the sequence command ROUT SEQ TRIG a1p1 to create A Port 1 to Test Port 1 signal path Figure 10 is representation of the S21 response trace Markers shown are not provided i...

Page 32: ...Keysight U3020AS22 User s and Service Guide 28 U3020AS22 Performance Verification Figure 11 Typical Insertion Loss Plot Figure 12 Typical Port Isolation Plot...

Page 33: ...e agreements for this product These servicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so Replaceable...

Page 34: ...from the packaging in an anti static area ensuring that the correct anti static precautions are taken Two types of ESD protection are listed below Purchase acceptable ESD accessories from your local s...

Page 35: ...and use a grounded wrist strap to prevent damage from electrostatic discharge ESD See Electrostatic Discharge Protection on page 30 Test Set System Operation Figure 13 illustrates the components and...

Page 36: ...3 Y1154A P103 P104 P105 P106 P107 P108 Bank 4 Y1154A P103 P104 P105 P106 P107 P108 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S18 S17 S15 S13 J1 Exp Bus Port 1 TEST PORTS 34945EXT SLAVE Switch Status Displa...

Page 37: ...all the communication between the Controller and the Test Set via LAN or GPIB connectivity 39495EXT Module This module provides the bias and control signals for the RF Switches Distribution Board The...

Page 38: ...ing the front panel button continue with the following procedure a Remove the top cover of the instrument b Ensure that the ribbon cable and 2 wire connector are properly in place c Measure the DC vol...

Page 39: ...resent suspect the front panel Input Port LED board or the Controller Module I O section RF Switch is Not Switching 1 If the RF Switches are not operating continue with the following procedure a Deter...

Page 40: ...bnormal follow the steps on page 34 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 ins...

Page 41: ...re 14 Top View Component Locations R S2 S1 S4 S3 S6 S5 S8 S7 S10 S9 S12 S11 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 87104C x2 87106C x6 N1810UL x12 S17 S18 S19 S20 S13 S15 S16 S14 37 Keysight...

Page 42: ...22 Service Information 1 Figure 15 Bottom View Component Locations A B Controller Module Power Supply Digital I O Relay Driver 34945 Ext 34945 Ext Slave Master Keysight U3020AS22 User s and Service Gu...

Page 43: ...U3020AS22 Service Information Figure 16 34945 EXT Distribution Boards Master Slave Y1154A Y1154A Y1151A Y1151A Y1151A Y1151A 39 Keysight U3020AS22 User s and Service Guide...

Page 44: ...tact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited Always use the three prong AC power co...

Page 45: ...th this product Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock This product is designed for use in Installation Category II...

Page 46: ...se the user to dangerous voltages Disconnect the instrument from all voltage sources before opening No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical sh...

Page 47: ...th or one slightly dampened with water to clean the external case parts Do not attempt to clean internally If flammable cleaning materials are used the material shall not be stored or left open in the...

Page 48: ...is a registered trademark of the European Community If accompanied by a year it is when the design was proven The CSA mark is a registered trademark of the CSA International This mark designates the...

Page 49: ...10 1 3rd Edition Acoustic statement European Machinery Directive 2022 42 EC 1 7 4 2U Acoustical noise emission LpA 70 dB Operator position Normal operation mode Per ISO 7779 EMI and EMC Compliance EMC...

Page 50: ...entative can determine the warranty status of your unit Shipping Your Product to Keysight for Service or Repair IMPORTANT Keysight Technologies reserves the right to reformat or replace the internal h...

Page 51: ...47 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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