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Keysight 87406Q Low PIM 

Coaxial Matrix Switch

 

 

Operating and 

Service Manual

Summary of Contents for 87406Q

Page 1: ...Keysight 87406Q Low PIM Coaxial Matrix Switch Operating and Service Manual ...

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Page 3: ...Keysight 87406Q Operating and Service Manual 1 ...

Page 4: ...er a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend U S Government Restricted Rights Soft ware and technical data rights granted to the federal government include only those rights customarily provided to end user cus tomers Keysight provides this customary commercial license in Software and techni cal data pursuant to FAR 12 211 Techn...

Page 5: ...ot discard this electrical electronic product in domestic household waste Product Category With reference to the equipment types in the WEEE Directive Annex I this product is classed as a Monitoring and Control Instrumentation product Do not dispose in domestic household waste To return unwanted products contact your local Keysight office or see www keysight com for more information ...

Page 6: ...an Other AP Countries 1 800 629 485 800 810 0189 800 938 693 1 800 112 929 0120 421 345 080 769 0800 1 800 888 848 1 800 375 8100 0800 047 866 65 6375 8100 Europe Middle East Austria Belgium Finland France Germany Ireland Israel Italy Luxembourg Netherlands Russia Spain Sweden Switzerland United Kingdom For other unlisted countries 0800 001122 0800 58580 0800 523252 0805 980333 0800 6270999 1800 8...

Page 7: ...tion 14 RF path selection 15 Open all RF ports 16 Electronic Position Indicators 18 3 Specifications 19 General Specifications 20 Supplemental specifications cold switching 21 Specifications 22 Switch drive specifications 22 RF specifications 23 Environmental specifications 24 Physical specifications 25 Troubleshooting 27 4 Installation and Verification 29 Installation 30 Initial inspection 30 ...

Page 8: ...6 Keysight 87406Q Operating and Service Manual Contents Operating and Service Instruction 31 Operator s check 31 Performance test 32 Service instructions 32 ...

Page 9: ...ht 87406Q Low PIM Coaxial Matrix Switch Operating and Service Manual 1 Introduction General Information 8 Key Features 9 This chapter provides an overview of the Keysight 87406Q Low PIM Coaxial Matrix Switch ...

Page 10: ...he requirements for highly repeatable switching elements in test instruments and switching interfaces The exceptional 0 03 dB insertion loss repeatability is warranted for 3 million cycles at 25 C This reduces sources of random errors in the measurement path and improves measurement uncertainty Switch life is a critical consideration in production test systems satellite and antenna monitoring syst...

Page 11: ...ions Magnetic latching Guaranteed repeatability of 0 03 dB up to 3 million cycles ensuring accurate system measurements and reducing calibration intervals Excellent isolation typically 100 dB at 20 GHz PIM level typical of 165 dBc Opto electronic indicators and interrupts Terminated ports TTL 5 V CMOS compatibility optional ...

Page 12: ...10 Keysight 87406Q Operating and Service Manual 1 Introduction This page is intentionally left blank ...

Page 13: ...tion 12 Driving the Switch 14 DC power connection 14 RF path selection 15 Open all RF ports 16 Electronic Position Indicators 18 This chapter provides you information on how to drive the switch using standard drive and TTL drive Also included is the configuration to utilize the function of the position indicator ...

Page 14: ...once the switching solenoids are magnetically latched The drive current then returns to the standby level that is required by the opto electronic components When a control input is applied all RF ports that have no enabling control input are automatically opened by the internal logic circuitry To configure a desired RF path two ports must be engaged which requires a control input for each port to ...

Page 15: ...Switch Configuration 2 Keysight 87406Q Operating and Service Manual 13 Figure 2 1 Keysight 87406Q block diagram ...

Page 16: ...OTE Pin 15 must always be connected to ground to enable the electronic position indicating circuitry and drive logic circuitry CAUTION If pin 15 is not connected to power supply ground catastrophic failure will occur NOTE After the RF path is switched and latched the drive current is interrupted by the electronic position sensing circuitry Pulsed control is not necessary but if implemented the pul...

Page 17: ...ption 100 or applying TTL Low Option T24 to the corresponding drive pins Example Configure the RF path from port 2 to port 5 Using the data in Table 2 1 select pins 5 and 11 while ensuring no other pins are selected Table 2 1 Keysight 87406Q RF port drive pin control data see Figure 3 5 for drive connection diagrams RF port 6 5 4 3 2 1 3 13 3 11 3 9 3 7 3 5 2 5 13 5 11 5 9 5 7 3 7 13 7 11 7 9 4 9 ...

Page 18: ...ng Pin 16 on standard and Option T24 open all RF ports Selecting an RF port will override the open all RF ports for each selected port If desired pin 16 can be wired directly to ground Option 024 or TTL High Option T24 to open all RF ports at power up Break before make Remove the control inputs from the undesired port and then select the desired port The internal logic will unselect the old port a...

Page 19: ...l 17 Make before break Select the new RF port while maintaining the control input on the original ports Allow 15 ms for the switching action to be completed and then unselect the original port the original port will be automatically disconnected by the internal logic ...

Page 20: ... 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 See Environmental specifications on page 24 The electronic position indicators require that the supply 20 to 3...

Page 21: ...h drive specifications 22 Environmental specifications 24 Physical specifications 25 Troubleshooting 27 This chapter provides the specifications of the switch Specifications describe the warranted performance of the switch Supplemental and typical characteristics are intended to provide information useful in applying the switch by giving typical but not warranted performance parameters ...

Page 22: ...ional information only and they are not specifications These are denoted as typical nominal or approximate and are printed in italics Maximum power rating Into internal termination 1 W CW 50 W peak 10 μs max pulse width not to exceed 1 W average Into thru path Hot switching 2 W CW 100 W peak 10 μs max pulse width not to exceed 2 W average Cold switching See Supplemental specifications cold switchi...

Page 23: ... switching Ambient temperature of 75 C or less Sea level 0 88 derating at 15 000 feet Load VSWR 1 2 see Figure 3 1 for derating above 1 2 VSWR Power handling at 25 C is 100 W at 4 GHz Supplemental characteristics Insertion loss repeatability measured at 25 C 0 03 dB Characteristic impedance 50 Ω RF connectors SMA f Figure 3 1 Power derating factor vs VSWR ...

Page 24: ...m Unit Supply voltage Vcc 20 24 32 V Switching current Vcc 24 VDC 200 1 mA Standby current quiescent 25 50 mA Option T24 100 High level input 3 7 V Low level input 0 8 V Maximum high input current Vcc Max Vinput 3 85 VDC 1 1 4 mA 1 200 mA is required for each RF port closed or opened Using open all ports pin 16 will require up to 1200 mA six ports times 200 mA each See General Operation on page 12...

Page 25: ...ge DC to 20 GHz Insertion loss 0 34 dB 0 033 x frequency GHz maximum Isolation 100 dB minimum to 12 GHz 80 dB minimum from 12 to 15 GHz 70 dB minimum from 15 to 20 GHz SWR 1 21 maximum from DC to 4 GHz 1 35 maximum from 4 to 10 GHz 1 5 maximum from 10 to 15 GHz 1 7 maximum from 15 to 18 GHz 1 9 maximum from 18 to 20 GHz ...

Page 26: ...Non operating Half sine Transportation Operating 500 G at 0 5 ms 3 drops direction 50 G Vibration 8 m s 10 50 G at 6 ms 6 directions Vibration Operating Survival Random 7 G rms 5 to 2000 Hz at 0 25 in p p 20 G rms 20 to 2000 Hz at 0 06 in p p 4 min cycle 4 cycles axis 7 G rms 50 to 2000 Hz 15 min axis ESD immunity Direct discharge Air discharge 6 kV to outer conductor 15 kV to outer conductor RFI ...

Page 27: ...Specifications 3 Keysight 87406Q Operating and Service Manual 25 Physical specifications Figure 3 3 Product outline Parameter Specification Dimensions Figure 3 3 Weight 229 gm 0 50 lb ...

Page 28: ...26 Keysight 87406Q Operating and Service Manual 3 Specifications Figure 3 4 Connector configuration Figure 3 5 Drive connection diagram ...

Page 29: ...ptom Probable cause 1 Will not switch Not connected to supply Supply 20 V Supply current too low Not connected to ground Select line not at ground std TTL Low voltage too high Option T24 2 Position indicators do not work Supply not connected Supply 20 VDC Pin 15 not connected to ground ...

Page 30: ...28 Keysight 87406Q Operating and Service Manual 3 Specifications This page is intentionally left blank ...

Page 31: ...anual 4 Installation and Verification Installation 30 Initial inspection 30 Operating and Service Instruction 31 Operator s check 31 Performance test 32 Service instructions 32 This chapter provides you installation information and simple verification steps of the switch ...

Page 32: ...does not pass the electrical performance test contact the nearest Keysight Sales and Service office refer to Contacting Keysight on page 4 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 shipp...

Page 33: ...e 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 CAUTION ESD exceeding the level specified in Environmental specifications or RF power applied is greater than the maximum specified as in General Specifications may cause...

Page 34: ...eter measurement and verify against Supplemental specifications cold switching on page 21 5 Repeat steps 1 to 4 until all paths are measured and verified Performance test The coaxial matrix switch 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 procedure in the ...

Page 35: ...Part number Low PIM switch matrix DC 20 GHz terminated 24 VDC with Option 100 T24 87406 60009 Low PIM switch matrix DC 20 GHz terminated 24 VDC with Option 161 024 87406 60010 Low PIM switch matrix DC 20 GHz terminated 24 VDC with Option 162 T24 87406 60011 Low PIM switch matrix DC 20 GHz terminated 24 VDC with Option 100 T24 87406 60012 NOTE The above list of replacement units is not applicable a...

Page 36: ...34 Keysight 87406Q Operating and Service Manual 4 Installation and Verification This page is intentionally left blank ...

Page 37: ...This information is subject to change without notice Keysight Technologies 2014 Edition 2 October 2014 87406 80005 87406 80005 www keysight com ...

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