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Publication No. 980824-164AH/BH  Rev. A  

1260-164AH/BH User Manual 

Astronics Test Systems    

 

 Specifications 1-1 

Chapter 1

 

SPECIFICATIONS 

Introduction – 

1260-164AH/BH  

The 1260-164AH and 1260-164BH are microwave plug-in switch 

modules developed for a variety of platforms such as the 1260-100 

Adapt-a-Switch™ carrier and the 1256 Switching System.  These 

switches are software-configurable single (–164AH) and dual 

(–164BH) SP4T microwave relays for DC to 26.5 GHz. 
The 1260-164 modules include the following features: 

•

 

Standard Adapt-a-Switch and 1256 Switching System plug-in 

design, providing for ease of replacement. 

•

 

Data-Driven embedded descriptor, allowing immediate use 

with any platform compatible with the Adapt-a-Switch 

standard, regardless of firmware level. 

 

Figure 1-1, 1260-164BH 

 

 

Summary of Contents for RACAL INSTRUMENTS 1260-164AH

Page 1: ... 800 722 2528 949 859 8999 Fax 949 859 7139 atsinfo astronics com atssales astronics com atshelpdesk astronics com http www astronicstestsystems com Copyright 2015 by Astronics Test Systems Inc Printed in the United States of America All rights reserved This book or parts thereof may not be reproduced in any form without written permission of the publisher ...

Page 2: ...ation s of any product or part without Astronics Test Systems express written consent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear such as mechanical relay life or failure to follow instructions This warranty is in lieu of all other warranties expressed or implied incl...

Page 3: ...nical specifications and other documents which specify procurement of products from Astronics Test Systems TRADEMARKS AND SERVICE MARKS All trademarks and service marks used in this document are the property of their respective owners Racal Instruments Talon Instruments Trig Tek ActivATE Adapt A Switch N GEN and PAWS are trademarks of Astronics Test Systems in the United States DISCLAIMER Buyer ac...

Page 4: ...sion cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes call for operation of the unit with power applied and protective covers removed Read the procedures and heed warnings to avoid live circuit points Before operating this instrument 1 Ensure the proper fuse is in place for the ...

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Page 7: ...Power Dissipation 1260 164AH BH 1 3 Ordering Information 1 4 Chapter 2 2 1 INSTALLATION INSTRUCTIONS 2 1 Unpacking and Inspection 2 1 Installation 2 2 Module Configuration 2 2 Front Panel Connectors 1260 164AH 2 2 Front Panel Connectors 1260 164BH 2 4 Mating Connectors 2 6 Chapter 3 3 1 MODULE OPERATION 3 1 Reply to the MOD LIST Command 3 1 Operating in Register Based Mode 3 2 1260 164 Example Cod...

Page 8: ...1260 164AH BH User Manual Publication No 980824 164AH BH Rev A ii Astronics Test Systems This page was left intentionally blank ...

Page 9: ...igure 2 4 1260 164BH SMA Connector Designations 2 4 Figure 2 5 1260 164BH Relay Diagram 2 5 Figure 2 6 1260 164BH Block Diagram 2 5 List of Tables Table 3 1 Register Offset Addresses of the 1260 164 Module 3 3 Table 3 2 ID Register Functionality of the 1260 164 3 3 Table 3 3 Port A Register Functionality of the 1260 164 Module 3 4 Table 3 4 Port B Register Functionality of the 1260 164 Module 3 4 ...

Page 10: ...Manual Publication No 980824 164AH BH Rev A iv Astronics Test Systems DOCUMENT CHANGE HISTORY Revision Date Description of Change A 8 6 2015 Initial release A 8 18 2015 Admin No revision roll ECN06381 Adds CE certificate ...

Page 11: ... Adapt a Switch carrier and the 1256 Switching System These switches are software configurable single 164AH and dual 164BH SP4T microwave relays for DC to 26 5 GHz The 1260 164 modules include the following features Standard Adapt a Switch and 1256 Switching System plug in design providing for ease of replacement Data Driven embedded descriptor allowing immediate use with any platform compatible w...

Page 12: ...tact Lifetime 10 Million cycles per position Available I O Channels Single SP4T RF Relay Shock 30g 11 ms sine wave Vibration 0 013 in P P 5 55 Hz Bench Handling 4 inch drop at 45 Cooling See 1260 100 cooling data Temperature Operating 0 C to 60 C Storage 40 C to 75 C Relative Humidity 95 non condensing at 30o C Altitude Operating 10 000 feet Non operating 15 000 feet Power Requirements 5 VDC Amps ...

Page 13: ...e dissipation should be computed and summed with the total worst case dissipation of the remaining modules For example a 1260 164AH module would dissipate the following energy Quiescent power dissipation 0 75 W maximum With one coil energized 3 75 W maximum For example a 1260 164BH module would dissipate the following energy Quiescent power dissipation 0 75 W maximum With one coil energized 3 75 W...

Page 14: ...1260 164 switch modules ITEM DESCRIPTION PART 1260 164AH Single SP4T RF Switch Module Switch Module 1 SP4T DC 26 5 GHz Consists of P N 405175 003 PCB Assy P N 980824 164AH BH Manual 408598 001 1260 164BH Dual SP4T RF Switch Module Switch Module 2 SP4T DC 26 5 GHz Consists of P N 405175 004 PCB Assy P N 980824 164AH BH Manual 408598 002 Additional Manual 980824 164AH BH ...

Page 15: ... carton and packing material for the carrier s inspection 2 Verify that the pieces in the package you received contain the correct 1260 164 module option and the 1260 164AH BH User Manual Notify Customer Support if the module appears damaged in any way Do not attempt to install a damaged module into a VXI chassis 3 The 1260 164 module is shipped in an anti static bag to prevent electrostatic damag...

Page 16: ...site www astronicstestsystems com Module Configuration The 1260 164 modules are software selectable coaxial switch plug ins for switching platforms such as Adapt a Switch and 1256 System The 1260 164AH is a single SP4T RF Switch and the 1260 164BH is a dual SP4T RF Switch Front Panel Connectors 1260 164AH The 1260 164AH has one front panel RF relay labeled SW1 with 5 SMA connectors See Figure 2 1 ...

Page 17: ...H BH Rev A 1260 164AH BH User Manual Astronics Test Systems Installation Instructions 2 3 Figure 2 2 1260 164AH Relay Diagram Figure 2 3 1260 164AH Block Diagram SW1 02 03 Channel Number 01 00 3 4 IN 2 1 Front Panel Designation ...

Page 18: ...164BH The 1260 164BH has two front panel RF relays labeled SW1 and SW2 with 5 SMA connectors each See Figure 2 4 for SMA connector designations See Figure 2 5 for the relay diagram and Figure 2 6 for a block diagram of 1260 164BH See page 2 6 for torque requirements Figure 2 4 1260 164BH SMA Connector Designations IN 2 3 1 4 SW1 IN 2 3 1 4 SW2 ...

Page 19: ...ual Astronics Test Systems Installation Instructions 2 5 Figure 2 5 1260 164BH Relay Diagram Figure 2 6 1260 164BH Block Diagram SW1 02 03 Channel Number 01 00 3 4 IN 2 1 Front Panel Designation SW2 12 13 Channel Number 11 10 3 4 IN 2 1 Front Panel Designation ...

Page 20: ...nnectors that are suitable for the type of connecting coax and frequency range to be used Maximum connector engagement should not exceed 9 in lbs torque It is highly recommended that a torque wrench Ma Com P N 2098 5065 54 or equivalent be used to torque the SMA connectors A inch drive deep slotted socket P N 456890 is available for installation and removal of connectors ...

Page 21: ... syntax for the reply is module address module specific identification string The value of module specific identification string for the 1260 164 depends on the version 1260 164AH or 1260 164BH For the single SP4T switch 1260 164A the string value is 1260 164A SINGLE SP4T RF SWITCHING MODULE For the two SP4T switch 1260 164BH the string value is 1260 164B DUAL SP4T RF SWITCHING MODULE Thus for a 1...

Page 22: ...ique offset from the base address The base A24 address for the 1260 164 module may be calculated by A24 Offset of the 1260 01T 1024 x Module Address of 1260 164 The A24 address offset is usually expressed in hexadecimal A typical value of 20400016 is used in the examples that follow A 1260 164 with a module address of 7 would have the base A24 address computed as follows Base A24 Address of 1260 1...

Page 23: ... and how it interacts with the 1260 164 module Table 3 1 Register Offset Addresses of the 1260 164 Module Register Name Register Offsets to Add to Base Module Address Write Location hexadecimal Read Location hexadecimal Port A 0x01 0x01 Port B 0x03 0x03 ID Read Only 0x201 EPROM Descriptor Read Only 0x203 Table 3 2 ID Register Functionality of the 1260 164 Register Table ID Register Module Version ...

Page 24: ...en 1 switch closed 2 Relay SW1 3 0 switch open 1 switch closed 3 Relay SW1 4 0 switch open 1 switch closed 4 not used 5 not used 6 not used 7 not used Table 3 4 Port B Register Functionality of the 1260 164 Module Register Table Port B Module Version Bit Functionality Description 164BH only 0 Relay SW2 1 0 switch open 1 switch closed 1 Relay SW2 2 0 switch open 1 switch closed 2 Relay SW2 3 0 swit...

Page 25: ...ding relay channel to close It is especially important to realize that a single write operation controls eight separate control lines or output devices simultaneously Therefore if only a single bit change is desired the following process must be observed 1 Read the register inverting the bit pattern 2 Mask the appropriate bit with an AND operation and a byte mask with all undesired bits set to a 1...

Page 26: ...NUMBER 1 define DATA_ITEM 0xAA void example_operate_1260_164 void ViUInt8 creg_val ViBusAddress portA_addr offset ViSession hdl1260 VISA handle to the 1260 01T ViSession hdlRM VISA handle to the resource manager ViStatus error VISA error code open the resource manager this must be done once in application program error viOpenDefaultRM hdlRM if error 0 error handling code goes here get a handle for...

Page 27: ...dule Operation 3 7 module address shifted 10 places module address x 1024 portA_addr MOD_ADDR_164 10 1 offset portA_addr PORT_NUMBER 1 error viOut8 vi VI_A24_SPACE offset DATA_ITEM if error 0 return error close the VISA session error viClose hdl1260 if error 0 error handling code goes here ...

Page 28: ...1260 164AH BH User Manual Publication No 980824 164AH BH Rev A Module Operation 3 8 Astronics Test Systems This page was left intentionally blank ...

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