Line Replaceable Unit
unit of a complex engineered system, designed for quick replacement.
See Also: LRU
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Product
Avionics Suite Tester
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Based on order from the Navy, Data Patterns developed the complete Automated Test Equipment required for validating all the Line Replaceable Units (LRUs) utilized in the Seaking Helicopter. The upgrade was carried out at multiple Naval bases in India.
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Product
Depot Repair & Redesign
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ARC has worked with the DoD/military agencies and the FAA to help service and repair critical products in the national air system and various line replaceable units (LRUs) that may contain multiple circuit cards. With a skilled team of engineers and service technicians that can troubleshoot, reverse engineer, and help in finding components for damaged and obsolete parts, ARC is the right depot partner.
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Product
GPU
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The MAGIC1A is a rugged line replaceable unit (LRU) suitable for high-performance computing in the harshest of environments. The combination of Intel and NVIDIA processors in a low SWaP-C3 package ensure it can be used across a wide range of commercial and military applications, including displays, situational awareness, data/radar processing, video processing, classification, and artificial intelligence (AI).
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Product
Intermittent Fault Detection & Isolation System
IFDIS
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The IFDIS™ uses patented Intermittent Fault Detector technology that simultaneously and continuously monitors every circuit path within a Unit Under Test (UUT) - such as a Line Replaceable Unit (LRU) chassis' interconnects - for intermittent continuity failures that occur for as short as 50 nanoseconds. This state of the art technology is combined with an environmental chamber and vibration table, which simulate the UUT’s operational environment and cause intermittent faults to manifest, creating a system that is unsurpassed in intermittent fault detection.
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Product
Processor and NVIDIA Quadro GPU
MAGIC1A
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The MAGIC1A is a rugged line replaceable unit (LRU) suitable for high-performance computing in the harshest of environments. The combination of Intel and NVIDIA processors in a low SWaP-C3 package ensure it can be used across a wide range of commercial and military applications, including displays, situational awareness, data/radar processing, video processing, classification, and artificial intelligence (AI).
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Product
MAX629 Bus Connect
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The MAX629 Bus Connect panel is a 19 inch rack mount or table top device to connect together ARINC 629 Line Replacement Units (LRUs) without the need for ARINC 629 couplers. This is the ideal solution for tests & simulation benches.
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Product
500 Watt AC/DC Power Line Conditioner, 3U VPX, Holdup Time
VPX56-3HU
Power Line Conditioner
NAI's VPX56-3HU is a rugged, high-performance 500-Watt Output +28 VDC Input 3U VPX AC/DC Power Line Conditioner designed for aerospace, defense, and industrial markets. This off-the-shelf power supply plugs directly into a standard VPX conduction cooled chassis and protects downstream DC-DC converters from MIL-STD-704 transients, low-voltage conditions and power interruptions, providing up to 50 milliseconds of holdup time at up to 500-Watts. Continuous Background Built-In-Test (BIT) and I2C communication are included.
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Product
72.5-Watt DC Power Line Conditioner w/Holdup
44KS3-02
Power Line Conditioner
NAI's 44KS3-02 is a 72.5-Watt Power Line Conditioner with holdup time that protects downstream DC/DC converters from transients, low voltage conditions, and power interruptions. This unit accepts +28 VDC input and provides a single output at 72.5 Watts either 22.5 to 30 VDC with holdup time or +16 VDC without holdup time - to all downstream DC/DC converters.
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Product
64-Ch 1-Bus Fault Insertion
YAV91082
Fault Insertion Unit
64 channels 1 thread 2A 250V 1 Fault Insertion Buses Switching up 60W CAN Control (or Ethernet with Ethernet to CAN Gateway) Drivers dll & VIs available
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Product
Ethernet/AFDX/BroadR-Reach PXI Fault Insertion Switch - 4 Channel
40-201-004
Fault Insertion Unit
This high bandwidth differential fault insertion module is designed to simulate common faults on high speed two wire communication interfaces such as Ethernet. This module supports 4 or 8-channels of two wire serial connections and can be used for simulating faults on Ethernet, AFDX, BroadR-Reach, 100BaseT and 1000BaseT interfaces. Any wire can be set to an open circuit, shorts can be applied across the wire pair, or to the adjacent pair. Fault connections can be made to one of four external signals via two fault buses, typically simulating connections to a supply voltage or ground. Each fault bus is capable of carrying 2A allowing multiple channels to be connected to the same fault condition. Additionally, each fault bus features a changeover relay to allow the user to connect alternative fault conditions to the fault buses.
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Product
Ethernet/AFDX/BroadR-Reach PCI Fault Insertion Switch - 4 Channel
50-201-004
Fault Insertion Unit
This high bandwidth differential PCI fault insertion card is designed to simulate common faults on high speed two wire communication interfaces such as Ethernet. This card supports 4 or 8-channels of two wire serial connections and can be used for simulating faults on Ethernet, AFDX, Broad R-Reach, 100BaseT and 1000BaseT interfaces. Any wire can be set to an open circuit, shorts can be applied across the wire pair, or to the adjacent pair. Fault connections can be made to one of four external signals via two fault buses, typically simulating connections to a supply voltage or ground.
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Product
Ethernet/AFDX/BroadR-Reach PXI Fault Insertion Switch - 8 Channel
40-201-008
Fault Insertion Unit
This high bandwidth differential PXI fault insertion module is designed to simulate common faults on high speed two wire communication interfaces such as Ethernet. This module supports 4 or 8-channels of two wire serial connections and can be used for simulating faults on Ethernet, AFDX, BroadR-Reach, 100BaseT and 1000BaseT interfaces. Any wire can be set to an open circuit, shorts can be applied across the wire pair, or to the adjacent pair. Fault connections can be made to one of four external signals via two fault buses, typically simulating connections to a supply voltage or ground. Each fault bus is capable of carrying 2A allowing multiple channels to be connected to the same fault condition. Additionally, each fault bus features a changeover relay to allow the user to connect alternative fault conditions to the fault buses.
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Product
PXI Source Measurement Unit
PX773x
Source Measure Unit
The PX773x is a high precision, high speed source and measurement unit, which is designed for automated high throughput testing.
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Product
PXI Single Bus 32-Ch 2A Fault Insertion Switch
40-190B-201
Fault Insertion Unit
The Single Bus, 32 Channel PXI Fault Insertion switch is part of our family of 2 Amp fault insertion solutions, The range includes modules with 74, 64 or 32 channels and single or dual fault buses. This version has normally closed through relays, so in the default state, there is a path between input and output for all signal channels. It is primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers.
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Product
Precision Source / Measure Unit, 1-Channel, 10 FA Resolution, 210 V, 3 A DC / 10.5 A Pulse
B2911B
Source Measure Unit
The Keysight B2911B precision source / measure unit (SMU) is a 1-channel, compact, and cost-effective benchtop SMU with the capability to source and measure both voltage and current. It easily measures current versus voltage (I/V) with high accuracy. The 4-quadrant source and measurement capabilities enable taking I/V measurements without configuring multiple instruments.
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Product
High Precision Source Measure Unit (SMU) - Hybrid Compatible PXI, 100ks/S Programming/Measurement Speed
52400 series
Source Measure Unit
Hybrid Compatible PXIFour quadrant operationHigh source/measurement resolution (multiple ranges)Low output noiseHigh programming/measurement speed (100k s/S) & slew rateOptional measurement logDIO bitsOutput profiling by hardware sequencerProgrammable output resistanceFloating & Guarding output16 Control Bandwidth SelectionMaster / Slave operationDriver with LabView/LabWindows & C/C# APISoftpanel GUI
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Product
PXIe-4141, 4-Channel, ±10 V, 100 mA, Precision PXI Source Measure Unit
781743-01
Source Measure Unit
PXIe, 4-Channel, ±10 V, 100 mA, Precision PXI Source Measure Unit - The PXIe-4141 is a 4-channel source measure unit (SMU) ideal for high-pin-count applications. It features 4-quadrant operation, and each channel has integrated remote (4 wire) sensing for accurate measurements. The fast sample rate of the PXIe-4141 can reduce measurement times, capture transient device characteristics, and allow quick I V characterization of devices under test (DUTs). With a high-speed sequencing engine, you can synchronize all these SMUs with each other or with other instruments such as switches or high-speed digital test modules. Additionally, you can tune the PXIe-4141 response to any load to achieve optimum responses with maximum stability and minimum transients using SourceAdapt technology.
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Product
Single Bus 64-Channel 2A PCI Fault Insertion Switch
50-190-101
Fault Insertion Unit
This PCI fault insertion switch range is available with 75, 64 or 36 channels. It is primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers. The Stimulus/Measurement to UUT path is suitable for supporting CAN and FlexRay bus systems.
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Product
3U OpenVPX Sensor Interface Unit
SIU34
Sensor Interface Unit
The SIU34 is a highly configurable rugged system or subsystem ideally suited to support a multitude of Mil-Aero applications that require high-density I/O, communications, Ethernet switching and processing. The SIU34 leverages NAI’s 3U OpenVPX™ boards to deliver off-the-shelf solutions that accelerate deployment of SWaP-optimized systems in air, land and sea applications.
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Product
High-Density Precision SMU (10 PA, 30 V)
PZ2131A
Source Measure Unit
The Keysight PZ2131A is a high-channel density precision source / measure unit (SMU) having 5 channels per module and saving space for a wide range of applications requiring numerous precision power supplies. The narrow-pulse function and fast Digitizer Mode allow the PZ2131A to expand the conventional static DC measurements to emerging dynamic measurements. Its seamless current measurement ranging function eliminates the time it takes to change the range and expands the dynamic range to cover multiple measurement ranges, which reduces test duration. These capabilities make the PZ2131A suitable for applications that require numerous precision power supplies, such as semiconductor reliability tests and integrated circuit (IC) tests. The Keysight PX0107A low noise filter adapter lowers its voltage source noise level, which makes the PZ2131A suitable for noise-sensitive applications such as quantum computing as well.
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Product
8-Channel 4-Quadrant Source Measurement Unit (SMU)
PXIe-9908
Source Measure Unit
The PXIe-9908 is a high-density SMU module designed for automated testing and mini/micro LED wafer probing applications. It supports precision sourcing and measurement up to ±100V and 100mA, with scalable configurations. With compatibility across major operating systems and programming languages, it delivers fast, accurate, and reliable testing performance tailored for automated test systems and next-generation display technologies.
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Product
Source Measurement Unit
DPS16
Source Measure Unit
The DPS16 offers high voltage DPS in a compact, 3U PXI form factor. The DPS16 supports 0V to +4V 0.3A or 0V to 12V 25.6mA with FVMI, FVMV, FIMV, FIMI modes. 16 channel can be ganged to support high current driving.
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Product
PXI Fault Insertion Switch, 7-Channel, Two Fault Buses, 20 A, Hardware Interlock
40-194A-002-HI
Fault Insertion Unit
The 40-194A-002 is a 7-Channel Fault Insertion switch with hardware interlock and two fault buses, designed for the simulation of fault conditions in automotive systems. As well as high current handling of 20A, very low currents can also be switched.
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Product
DFB Laser Source Module
LaserPXIe 1200 Series
Source Measure Unit
The LaserPXIe 1200 Series is a highly customizable DFB laser source available in a wide range of wavelengths and powers.
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Product
PXI 5A Fault Insertion Switch 5-Channel
40-196-101
Fault Insertion Unit
The 40-196 is a 10 Channel 5A Fault Insertion Switch, primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers. It is designed to be able to insert different fault conditions between the test fixture and the equipment under test: Open-Circuit, Short-Circuit between signal pairs, Short-Circuit between signal pairs and user applied fault conditions e.g. Power or GND. Shorting relays on each channel enable UUT signals to be subjected to external user applied fault conditions or to be shorted to the adjacent signal in the same channel. Relays in line with the signal allow open circuit conditions to be simulated on either side or both sides of a channel signal pair. The switching topology of the 40-196 allows channels to be interconnected so that complex fault insertion systems can be constructed.
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Product
USB Modular Source Measure Unit
U2723A
Source Measure Unit
The 3-channel 20V/120mA module can operate in a 4-quadrant operation. The channels could be connected in series or in parallel to achieve up to 60 V/360 mA. It uses the common non-proprietary standard high-speed USB 2.0 interface that provides ease of connectivity allowing users to set up and configure their tests swiftly with its plug and play feature.
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Product
4x 3U OpenVPX MOSA Remote Interface Unit
SIU34-RIUVARM-01
Remote Interface Unit
SIU34-RIUVARM-01 is a Modular Open Systems Approach (MOSA) Remote Interface Unit (RUI) to manage, monitor and control connected I/O, communications, measurement and simulation interfaces through Ethernet commands from a main mission processors. Extremely low power with 2 x 10/100/1000Base-T Ethernet.
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Product
PXI Fault Insertion Switch, 6-Channel, Two Fault Buses, 30 A, Hardware Interlock
40-191B-012-HI
Fault Insertion Unit
The 40-191B-012-HI is a PXI fault insertion switch with hardware interlock using solid state switching elements and is capable of carrying 40A on single channel or 30A on all channels at the same time and provides a robust solution to high current fault insertion.
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Product
PXI Single Bus 74-Ch 2A Fault Insertion Switch, N/O Through Relays
40-190B-301
Fault Insertion Unit
The Single Bus, 74 Channel PXI Fault Insertion switch is part of our family of 2 Amp fault insertion solutions, The range includes modules with 74, 64 or 32 channels and single or dual fault buses. This version has normally open through relays, so in the default state, there are no paths between inputs and outputs for any signal channel. It is primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers.
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Product
High-Speed Precision SMU (100 FA, 60 V, 15 MSa/s)
PZ2121A
Source Measure Unit
The Keysight PZ2121A is a high-speed precision source / measure unit (SMU) featuring best-in-industry narrow-pulse width, fast Digitizer Mode, and seamless current measurement ranging. It enables narrow-pulsed measurements and fast dynamic measurements with a wide dynamic range for a wide range of emerging applications such as vertical-cavity surface-emitting laser (VCSEL) optical devices, integrated circuit (IC) testing. In addition, its low measurement noise performance enables measurements with shorter aperture times, and its seamless current measurement ranging function enables a wide dynamic range and eliminates range change time, which improves test throughput.





























