1257A - 10 Pages

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1257A

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Astronics Test Systems Inc. Racal Instruments™ Scalable RF Interface Unit The Racal Instruments™ 1257A is a sixth-generation RFIU design with four Commercial Off-The-Shelf (COTS) options from 1U to 4U. It comes with a new easy-to-use LXI Core 2011-compliant device and new enhanced features. Key Features • User-selectable standard congurations • 1U through 4U sizes, in rackmount or benchtop conguration • Choice of Dow-Key, Agilent, and/ or Radiall relays with 18, 20, 26.5, and 40 GHz frequency options in terminated or unterminated relays • Choices of switch topology – SPDT, DPDT, 2xSPDT, 3xSPDT, SP3T, SP4T, SP6T • LXI/Ethernet, USB, and GPIB control interface • Scalable – Up to 96 switch channels • Front-pluggable relays for easy expandability and replacement in the eld • Relay counter Product Information The Racal Instruments™ 1257A is a Commercial-Off-The Shelf modular RF interface unit (RFIU) that can be exibly congured in order to meet specic application requirements. This unique scalable design enables you to select from a 1U to 4U size and specify the number, frequency range and switch topology of the relays to be installed by at the factory. Front pluggable relays with connectors enable easy service and high density within a small footprint. The 1257A RFIU offers an LXI interface based on Ethernet with a discovery and web-based interface. It incorporates many high-level software commands for easier programming and faster development. The design keeps track of all relay operations and sets alarms for end of life, so you will know when they need to be replaced. This ensures that they won’t fail in service or halt the production line. The 1257A COTS RFIU’s offer exible conguration, modular architecture, and scalability in order to preclude the need to design and fabricate a fully custom RFIU solution for many applications. The benets of utilizing a COTS solution are lower costs, faster delivery, and easier replication. In those rare cases where a standard 1257A is unable to meet specic application requirements, we also offer the 1257A-C, a fully-customized engineered and fabricated RFIU solution, and the 1257A-D, a complete modular developmental kit that enables you to congure and self-assemble your RFIU. Applications for the 1257A Common applications for the 1257A RFIU include the testing of communications equipment in production/installation/ 949.859.8999; 800.722.2528; atssales@astronics.com; www.astronicstestsystems.com Copyright © 2014 Astronics Test Systems Inc. commissioning and the operational monitoring of RF, Microwave, and radar signals. It can be used for base station, satellite antenna, or ATE test applications. Relays with a frequency range of up 40 GHz can be selected to accommodate a wide range of signal types. In many cases, the RFIU is utilized for routing and switching signals from one or more UUT’s or antennae to different RF test and monitoring equipment such as spectrum analyzers, frequency counters, and/or power meters. Easily congured to your application requirements In order to cost effectively address the wide range of application needs, the 1257A offers a broad range of pre-qualied relays that can be mixed and matched within the instrument chassis to suit individual requirements. The relays are front pluggable with connectors, and are available in a variety of frequency ranges, and switch topologies. Terminated or non-terminated relays, and extended life options are available. Easy to Service and Support Relays may be conveniently installed or removed from the front of the RFIU, and a full selection of pre-qualied spare relays are available for order. Additionally, relay counters provide visibility when components reach the end of their useful service life, enabling preventative maintenance instead of system downtime. Easy to Control and Program The 1257A comes standard with LXI/ Ethernet, USB, and GPIB control interfaces. A rich SCPI command set and IVI drivers provide easy integration and compatibility with almost all software environments. This new LXI interface is

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Astronics Test Systems Inc. Product Information • Path Names – Makes paths intuitive • Scan Lists – Set up a list the will run automatically continued based on Ethernet and offers discovery and a web-based interface. Programming has been simplied with the incorporation of powerful and easy-to-use commands and features: • Relay Counter – Counts relay closures and tracks relay end of life Fully Documented System Performance Prior to shipping, every specic path within the 1257A is fully tested. VSWR and insertion loss are typical measurements, with the validation plots for the applicable...

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Astronics Test Systems Inc. Ordering Information 1U Version 1257A-1 (1U version) 1257A-1-_-_-_ _ _ _ _ _ _ _ _ _ _ _ : Racal Instruments™ 1257A-1 1U Scalable RF Interface Unit Frequency Option Note: Each position is pre-wired so you can utilize a non-allocated position for later upgrades. Instructions for creating the part number Step 1: To create the rst part of the part #, select the number of driver boards needed and add that number to the part number where indicated. # of Driver Boards Spares Part Number For switch positions 1 through 6 For switch positions 1 through 12 (required for 7...

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Astronics Test Systems Inc. Ordering Information continued 1257A-2-1-_-_ _ _ _ _ _-_ _ _ _ _ _ : Racal Instruments™ 1257A-2 2U Scalable RF Interface Unit Top Positions 1-6 Bottom Positions 7-12 Bottom Switch Positions 7-12 Frequency Option Instructions for creating the part number Step 1: To create the rst part of the part number, substitute the Frequency Code (singledigit letter) from the “Frequencies” table below for the “_” in the part number as indicated above. Frequencies Frequency Code Steps 2 and 3 are on the next page. 949.859.8999; 800.722.2528; atssales@astronics.com;...

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