1260-145A-G
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Astronics Test Systems Inc. Racal Instruments™ 1260-145A-G High-Density Switch Matrix Plug-In The Racal Instruments™ 1260-145 Series plug-ins are high-density switch matrices for the Adapt-a-Switch™ platform. These quickly and easily plug into the front of Racal Instruments™ 1260-100 and 1260-101 Adapt-a-Switch™ carriers or Racal Instruments™ 1256 GPIB/Ethernet and 1256L (LXI Core 2011 Compliant) switching mainframes. Key Features • Seven standard versions with up to 144 crosspoints • All configurations specified • Ideal for differential applications • Plug-in design for rapid expansion and replacement • Can be used in VXI, GPIB/RS-232, and LXI switching systems • Analog bus for construction of large matrices • Relay subassemblies lower spares and repair costs Product Information These plug-ins provide the flexibility of high-density matrices while maintaining excellent bandwidth and signal integrity. Seven different versions are available. Each version is separately characterized for performance, eliminating the guesswork involved in using matrix families with “up to…” style specifications. The 1260-145 Series plug-ins are constructed using tightly integrated 4x4 relay subassemblies that minimize stub lengths for superior electrical performance. These subassemblies can be removed and replaced to return a plug-in to service in under ten minutes in the event of a relay failure. Careful consideration has been given to board layout to provide superior performance in demanding differential communications applications. Electromechanical relays support bi-directional operation. 1260-145 Series plug-ins are available in the following two-wire configurations: • 1260-145A: nine (4x4) • 1260-145B: three (4x12) • 1260-145C: two (4x16) • 1260-145D: one (4x36) • 1260-145E: two (8x8) • 1260-145F: one (8x16) • 1260-145G: one (12x12) The 1260-145 series plug-ins can be used to construct large matrices from multiple plug-ins without using external loopback connections. Each plug-in includes provisions for connection to a four-channel, two-wire analog bus on the Adapt-aSwitch™ carrier. The analog bus is easily implemented by installing jumpers on the plug-in motherboard. The Adapt-a-Switch™ series includes VXIplug&play support for frameworks based on Microsoft Win32® application programming interface, including drivers for LabWindows™/CVI and LabVIEW™. Typical matrix building block 1260-145A-G LXI Web Control

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Astronics Test Systems Inc. Racal Instruments™ 1260-145A-G Specifications Note: The Astronics Test Systems policy is one of continuous development and improvement. Consequently, the equipment may vary in detail from the description and specifications in this publication. Input Maximum Switching Voltage • 60 VDC or 125 VAC Maximum Switching Current • 1 ADC or 1 AAC Maximum Carry Current • 30 W or 37.5 VA DC Performance Path Resistance • <2 Q (Initial) Insulation Resistance • 109 Q Thermal EMF • <10 |jV AC Performance (Into 50 Q) 1260-145A Bandwidth (-3 dB) • >42 MHz Insertion Loss • 300 kHz:...

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Astronics Test Systems Inc. Specifications continued Crosstalk • 300 kHz: <-70 dB • 1 MHz: <-65 dB • 10 MHz: <-44 dB Capacitance • Channel-Chassis: <171 pF • Open Channel: <624 pF Plug-In Interface Power Requirements • +5 VDC at 150 mA plus 20 mA per energized relay (All environmental conditions designed to meet MIL-PRF-28800F, Class 3) Temperature • Operating: 0° C to 55° C • Storage: -40° C to 75° C Relative Humidity • 85% ±5% non-condensing at <30° C Altitude • Operating: 10,000 ft • Non-Operating: 15,000 ft Ordering Information Note: When 1260-145A-G modules are used in a VXI mainframe...

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