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Keysight U7108x and U7110x Series Coaxial Multiport Switches
Operating and Service Manual

17

2

Switch Configuration

Driving the Switch 

18

Standard Drive (Option 200 and Option 400) 

19

TTL Drive (Option 300 and Option 500) 

20

Electronic Position Indicators 

21

This chapter provides you information on how to drive the switches using standard drive and TTL 

drive. Also included is the configuration to utilize the function of the position indicator.

Summary of Contents for U7108 Series

Page 1: ...Keysight U7108x and U7110x Series Coaxial Multiport Switches Operating and Service Manual ...

Page 2: ...hese rights customarily provided to the public to use modify reproduce release perform dis play or disclose commercial computer soft ware or commercial computer software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are explicitly required from all providers of commercial computer software...

Page 3: ...is accompanied by a year it indicates the year the design was proven This symbol indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use Forty years is the expected useful life of the product This text indicates that the instrument is an Industrial Scientific and Medical Group 1 Class A product CISPR 11 Clause 4 ICES NMB...

Page 4: ...ive 2014 30 EU Waste Electrical and Electronic Equipment WEEE Directive This instrument complies with the WEEE Directive marking requirement This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste Product category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring...

Page 5: ...act Keysight for sales and technical support refer to the support links on the following Keysight websites www keysight com find switches product specific information and support software and documentation updates www keysight com find assist worldwide contact information for repair and service ...

Page 6: ...6 Keysight U7108x and U7110x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 7: ... Directive 4 Sales and Technical Support 5 1 Introduction General Information 14 Key Features 15 2 Switch Configuration Driving the Switch 18 Standard Drive Option 200 and Option 400 19 TTL Drive Option 300 and Option 500 20 Electronic Position Indicators 21 3 Specifications Environmental Specifications 24 Physical Specifications 25 4 Installation and Verification Installation 28 Operating and Ser...

Page 8: ...8 Keysight U7108x and U7110x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 9: ...t switches 14 Figure 1 2 Keysight U7110x coaxial multiport switches 14 Figure 2 1 Drive connection diagrams for Options 200 300 400 and 500 18 Figure 2 2 Pin configuration for indicator function 21 Figure 3 1 U7108x product outline 25 Figure 3 2 U7110x product outline 26 Figure 4 1 Connection to perform quick check 29 ...

Page 10: ...10 Keysight U7108x and U7110x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 11: ...sight U7108x and U7110x Operating and Service Manual 11 List of Tables Table 1 1 List of Keysight U7108x and U7110x coaxial multiport switches 15 Table 3 1 U7108x and U7110x environmental specifications 24 ...

Page 12: ...12 Keysight U7108x and U7110x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 13: ...10x Series Coaxial Multiport Switches Operating and Service Manual 13 1 Introduction General Information 14 Key Features 15 This chapter provides you an overview of Keysight U7108x and U7110x series coaxial multiport switches ...

Page 14: ...axial multiport switches Innovative design and careful process control create switches that meet the requirements for highly repeatable switching elements in test instruments and switching interfaces The switches are designed to operate for more than 1 000 000 cycles The exceptional insertion loss repeatability reduces sources of random errors in the measurement path and improves measurement uncer...

Page 15: ...alibration intervals Excellent isolation typically 63 dB at 26 5 GHz Opto electronic indicators and interrupts Terminated ports TTL 5 V CMOS compatible optional Table 1 1 List of Keysight U7108x and U7110x coaxial multiport switches Model number Frequency range Configuration U7108A DC to 9 GHz SP8T U7108B DC to 20 GHz SP8T U7108C DC to 26 5 GHz SP8T U7110A DC to 9 GHz SP10T U7110B DC to 20 GHz SP1...

Page 16: ...1 Introduction 16 Keysight U7108x and U7110x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 17: ...ing the Switch 18 Standard Drive Option 200 and Option 400 19 TTL Drive Option 300 and Option 500 20 Electronic Position Indicators 21 This chapter provides you information on how to drive the switches using standard drive and TTL drive Also included is the configuration to utilize the function of the position indicator ...

Page 18: ...for drive connection diagrams Figure 2 1 Drive connection diagrams for Options 200 300 400 and 500 The default operation of the switches is break before make Make before break switching can be accomplished by simultaneously selecting the drive pins for old RF path and new RF path Once the new RF path is closed 20 ms de select the old RF path drive pin while leaving the new RF path drive pin select...

Page 19: ...t Ground the drive pin which corresponds to the desired RF path 4 To open all RF paths ensure that all RF path drive pins are disconnected from ground Then connect pin 24 to ground NOTE Pin 23 must always be connected to ground to enable the electronic position indicating circuitry and drive logic circuitry CAUTION If pin 23 is not connected to power supply ground catastrophic failure will occur N...

Page 20: ... ensure that all RF path drive pins are at TTL Low Then apply TTL High to pin NOTE Pin 23 must always be connected to ground to enable the electronic position indicating circuitry and drive logic circuitry In addition to the quiescent current supplying the electronic position sensing circuitry the drive current flows out of pin 23 during switching on TTL drive switches option 300 and option 500 CA...

Page 21: ... Figure 2 2 The circuitry consists of a common which can be connected to an output corresponding to each RF path If multiple RF paths are engaged the position indicator corresponding to each closed RF path will be connected to common The solid state relays are configured for AC and or DC operation The electronic position indicators require that the supply 24 Vdc be connected to pin 1 and ground co...

Page 22: ...2 Switch Configuration 22 Keysight U7108x and U7110x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 23: ...tiport Switches Operating and Service Manual 23 3 Specifications Environmental Specifications 24 Physical Specifications 25 This chapter provides you the environmental specifications of Keysight U7108x and U7110x series coaxial multiport switches ...

Page 24: ...ntal specifications Temperature Operating Storage Cycling 25 C to 55 C 55 C to 85 C 55 C to 85 C 10 Cycles per MIL STD 202F Humidity Operating Resistance 95 RH at 40 C 85 RH at 85 C 10 Days per JEDEC HAST Standard Shock End user handling Mechanical Survival Transportation Delta V 3m s 5 Duration 3ms at 6 faces Half Sine 500g 0 5ms at 6 faces 50g delta V 8m s 10 at 6 faces Vibration Operating Rando...

Page 25: ...ts the weight of the Keysight U7108x and U7110x series coaxial multiport switches Figure 3 1 and Figure 3 2 show the dimensions of the Keysight U7108x and U7110x series coaxial multiport switches respectively Figure 3 1 U7108x product outline Model number Weight U7108A B C 320 gms 0 705 lbs U7110A B C 325 gms 0 716 lbs ...

Page 26: ...3 Specifications 26 Keysight U7108x and U7110x Operating and Service Manual Figure 3 2 U7110x product outline ...

Page 27: ...xial Multiport Switches Operating and Service Manual 27 4 Installation and Verification Installation 28 Operating and Service Instructions 29 This chapter provides you installation information and simple verification steps of the switches ...

Page 28: ...es not pass the electrical performance test contact the nearest Keysight Sales and Service office refer to Sales and Technical Support on page 5 Keysight will arrange for repair or replacement of the damaged or defective equipment Keep the shipping materials for the carrier s inspection 3 If you are returning the instrument under warranty or for service repackaging the instrument requires original...

Page 29: ...ial multiport switches prior to use or if a failure is suspected Description The coaxial multiport switch is connected to a network analyzer configured for the S parameter measurement The network analyzer may be set to sweep over the whole or selected frequency range of the switch to be verified The S parameter measurement is the best way to determine if the switch is working properly Figure 4 1 C...

Page 30: ... 4 Perform the S parameter measurement and verify against supplemental specifications cold switching 5 Repeat steps 1 to 4 until all paths are measured and verified Performance test The coaxial multiport switches can be tested to the accuracy of the specifications with a network analyzer or equivalent equipment of suitable accuracy If a network analyzer is available test the instrument using the p...

Page 31: ...formation is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2020 Edition 1 September 4 2020 Printed in Malaysia U7108 90001 www keysight com ...

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