1261B linear - 3 Pages

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1261B linear

Catalog excerpts

EADS North America Test and Services Racal Instruments™ 1261B Linear VXIbus High-Performance Chassis Linear Power Supply The Racal Instruments™ 1261B-Linear is based on our highly successful 1261B Series chassis and includes a separate linear power supply optimized for RF and Microwave applications. It is fully compliant with the latest revision of both VXIbus and VXIplug&play specifications. Key Features • Low-noise power supply • Ideal for RF and microwave testing • Enhanced monitoring • 760 W of usable/available power • Optional backplane connector shrouds and intermodule shield • Excellent cooling Product Information Chassis Extension The 1261B-Linear mainframe was speci fically designed for RF/Microwave and Telecommunications applications, where ultra-low power supply noise is critical. The power supply is mounted in a separate chassis for ease of maintenance, calibration, and rack installation. The two chassis are connected via two cables designed for fast installation and setup. Cable Tray Optional Enhanced Monitoring System The 1261B-Linear’s microcontroller-based Enhanced Monitoring System (EMS) provides a fully VXIbus compliant messagebased interface to the chassis. The EMS reports to the user via the backplane using individual commands or a soft front panel interface. Additional features include front panel alphanumeric display, individual VXIbus voltage status, and temperature rise for each individual slot. It comes complete with VXIplug&play drivers and soft front panel interface. Instrument Recessing VXIplug&play-compliant instrument recessing provides room for connectors and cable assemblies in front of each VXIbus module without interfering with an interface panel. Rack Mounting The card cage of the 1261B-Linear has optional rack ears allowing variable chassis recessing up to 5 3/8” when mounted in an equipment rack. This feature allows more room for cables and large connectors. Optional slides are available for the 1261BLinear card cage ITA Receiver Extension (option 54-1) adds additional space between modules and ITA. This would be used in a rack with less than 30-inch depth. An optional 1 U size, 1.75-inch, cable tray (option 721) allows cable access between the front and rear of the chassis as well as other instruments in the test system. This allows rack-mounted instruments to interface to the VXIbus resources or to an interface test adapter mounted on the front of the chassis. Electromagnetic Compatibility The 1261B-Linear has been tested for EMC compliance to commercial (FCC and CE) standards. Optional inter-module shields (option 52) provide more shielding between VXI modules. Optional backplane connector shrouds (option 51) minimize radiated noise from the module backplane. Optimized Cooling The 1261B-Linear mainframe takes advantage of an optimal “pressurized plenum” design. Molded slot blockers prevent air from diverting through unvented slots. This approach directs unprecedented volume of cooling air through your modules. ECO# 2010-EADSTS-12-13-11-MU. Uncontrolled Unclassified Information (“UUI”). This documentation does not contain ITAR-controlled data within the definition of the ITAR and has been reviewed and approved for release to non-US persons. EADS North America Proprietary Copyright © 2011

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EADS North America Test and Services Racal Instruments™ 1261 B-Li near Note: The EADS North America Test and Services policy is one of continuous develop- ment and improvement. Consequently, the equipment may vary in detail from the descrip- tion and specifications in this publication. Electrical Performance Input Voltage Range Input Frequency Maximum Power Consumption Total Available Power • Short Circuit External Monitoring • Monitoring of all rail voltages through Load Ripple/ Dynamic (Ripple/Noise measured over 10 MHz Enhanced Monitoring System System Status Readout • Temp Sensors...

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Racal Instruments™ 1261B-Linear EADS North America Test and Services Specifications Mechanical Safety • UL 3111-1, IEC1010-1, CSA 22.2 • No. 1010.1 • CE Marked Power Supply tested per TUV Fan Speed Control • HI/LOW Switch on rear of chassis continued MTTR • The following components can be replaced in less than 5 minutes from the rear of the rack: ––Fan Assembly ––Airflow Filters ––EMS Monitor • The following components can be replaced in less than 5 minutes from the top of the power supply: ––Power Supply Modules Cooling System • Forced air circulation with positive pressurization. Modular...

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