Line Replaceable Unit
unit of a complex engineered system, designed for quick replacement.
See Also: LRU
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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
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
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
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
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
PXIe-4145, 4-Channel, ±6 V, 500 mA Precision PXI Source Measure Unit
782435-01
Source Measure Unit
PXIe, 4-Channel, ±6 V, 500 mA Precision PXI Source Measure Unit - The PXIe-4145 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-4145 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-4145 response to any load to achieve optimum responses with maximum stability and minimum transients using SourceAdapt technology.
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Product
PXI 22-Channel 2A Fault Insert Switches
40-202-001
Fault Insertion Unit
This is the 22 Channel version of the 40-202 Fault Insertion Switch. It is 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 three different fault conditions between the test fixture and the equipment under test.
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Product
Single Bus 36-Channel 2A PCI Fault Insertion Switch
50-190-201
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
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
PXI/PXIe Fault Insertion Switch, 74-Chan 2A, N/C Through Relays, Fault Buses on M & U
42-190C-012
Fault Insertion Unit
The 40-190C-012 (PXI) and 42-190C-012 (PXIe) are fault insertion switches with 74 channels. They are part of a range of modules available with 74, 64 or 32 channels and are 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
Two-Quadrant SMU For Battery Drain Analysis, 20 V
N6781A
Source Measure Unit
The Keysight N6781A is a source / measure unit (SMU) designed specifically for the task of battery drain analysis. Whether the device under test (DUT) is an eBook reader, MP3 player, mobile phone, or pacemaker, the N6781A’s seamless measurement ranging, programmable output resistance, and auxiliary DVM combine the best set of advanced features on the market for battery drain analysis. When used with the 14585A Control and Analysis software, the N6781A becomes an even more powerful battery drain analysis solution, offering additional insights into your measurements. Learn more about the 14585A Control and Analysis software.
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Product
PXI Dual Bus 74-Chan 2A Fault Insertion Switch, N/O Through Relays
40-190B-302
Fault Insertion Unit
The Dual 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
USB Modular Source Measure Unit
U2722A
Source Measure Unit
The U2722A USB Modular Source Measure Unit is a 3-channel 20V/120mA that 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
PXI/PXIe Fault Insertion Switch, 64-Chan 2A, N/C Through Relays, Fault Buses on M & U
42-190C-112
Fault Insertion Unit
The 40-190C-112 (PXI) and 42-190C-112 (PXIe) are fault insertion switches with 64 channels. They are part of a range of modules available with 74, 64 or 32 channels and are 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
Dual Function Slot MOSA Data Concentrator Unit (DCU)
NIU2A-DCU-01
Data Concentrator Unit
NIU2A-DCU-01 is a Modular Open Systems Approach (MOSA) Data Concentrator Unit with low power high performance ARM Cortex -A9 processing. 512 MB RAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet and optional Fiber Optic Ethernet support
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Product
6x 3U OpenVPX MOSA Data Concentrator Unit
SIU36-DCUVARM-01
Data Concentrator Unit
SIU36-DCUVARM-01 is a Modular Open Systems Approach (MOSA) DO-178C & DO-254 Certifiable Data Concentrator Unit (DCU) with low power high performance OpenVPX Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53, 8 GB DDR4 SDRAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet, USB 3.0, FIPS-140-3 Level 3 Cyber Security, and Single Event Upset support.
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Product
PXIe Precision Source/Measure Unit, 1.25 MSa/s, 10 fA, 210 V, 315 mA
M9601A
Source Measure Unit
M9601A PXIe precision SMU is the industry-first precision PXIe SMU enabling faster precise measurement from DC to 20 μs pulse up to 210 V/315 mA with the best-in-class 10 fA resolution and low noise.
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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
High-Speed Precision SMU (100 FA, 60 V, 1 MSa/s)
PZ2120A
Source Measure Unit
The Keysight PZ2120A is a cost-effective, high-speed precision source / measure unit (SMU) featuring best-in-class 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 and 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.
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Product
Single Bus 75-Channel 2A PCI Fault Insertion Switch
50-190-001
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
50 µs Pulse Medium Current Source/Measure Unit (MCSMU)
B1514A
Source Measure Unit
The 50 s Pulse Medium Current SMU is an SMU designed for faster pulsed IV measurement. It enables a pulsed measurement down to 50 s pulse width, a 10 times or more narrow pulsed measurement than provided by a comparable conventional SMU. In addition, the instrument offers a wider range and versatility, up to 30 V / 1A, with voltage/current programmability. It is useful to characterize high to medium power devices on the new materials such as SiC and GaN, and organic devices, and the MCSMU expands your choices of pulsed IV measurement.
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Product
PXI/PXIe 1000Base-T1 Fault Insertion Switch, 3-Channel
40-203-001
Fault Insertion Unit
The 40-203-001 (PXI) and 42-203-001 (PXIe) are designed to simulate common faults on high-speed two wire communication interfaces such as 1000Base-T1. They support 3 channels of two wire serial interfaces. Each channel pair can simulate an open fault in either or both wires, and using the fault bus switches can simulate short between both wires or a short to one of two externally applied fault connections – such as battery supply or ground - via two fault buses.
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Product
PXI/PXIe 1000Base-T1 Fault Insertion Switch, 6-Channel
42-203-002
Fault Insertion Unit
The 40-203-002 (PXI) and 42-203-002 (PXIe) are designed to simulate common faults on high-speed two wire communication interfaces such as 1000Base-T1. They support 6 channels of two wire serial interfaces. Each channel pair can simulate an open fault in either or both wires, and using the fault bus switches can simulate short between both wires or a short to one of two externally applied fault connections – such as battery supply or ground - via two fault buses.
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Product
PXIe-4139, ±60 V, ±3 A DC, ±10 A Pulsed, 20 W DC, 100 fA Precision System PXI Source Measure Unit
782856-02
Source Measure Unit
PXIe, ±60 V, ±3 A DC, ±10 A Pulsed, 20 W DC, 100 fA Precision System PXI Source Measure Unit - The PXIe-4139 is a high-precision, system source measure unit (SMU) that features 4-quadrant operation and sources up to 20 W of DC power. This module features analog-to-digital … converters that help you perform high-precision measurements with a current resolution of 100 fA or high-speed acquisitions up to 1.8 MS/s. The module can maximize stability and measurement accuracy with SourceAdapt technology, which you can use to tune the transient response to match the characteristics of any load. You can use the PXIe-4139 for applications including manufacturing test, board-level test, and lab characterization with devices such as ICs, power management ICs (PMICs), and RFICs and discrete devices including LEDs and optical transceivers.
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Product
PXIe 5-channel Source/Measure Unit, 500 kSa/s, 100 pA, 30 V, 500 mA
M9614A
Source Measure Unit
The Keysight M9614A is a PXIe five-channel source / measure unit (SMU). It supports accurate measurement up to 30 V / 500 mA with resolution down to 6 μV / 100 pA.
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Product
PXI Based Multifunction Measurement and ICT Instrument
PXI-501
Multifunction Switch/Measure Unit
The PXI-501 is a multifunction measurement instrument for functional and in-circuit measurements.It combines two parametric measurement units with a digital voltmeter, a high voltage current source and a discharge unit. This powerful combination makes it the ideal instrument for classical analog in-circuit test and manufacturing defect analysis with additional functional test capabilities.With it’s fast sampling rate of up to 4MSps it speeds up measurements and is capable of measuring and generating AC signals up to 100kHz.To enhance the PXI-501 capabilities it can be combined with an ABex TM-501 or an ABex TM-404. The ABex TM-501 enhances the in and output range of the PXI-501. Furthermore, it provides a shunt current measurement upgrade. In combination with the ABex TM-404 it’s a complete in-circuit test solution with 86 channels in one ABex slot. For sure it can be upgraded to 2838 test points in one rack by simply adding additional matrix modules.With the above-mentioned terminal modules, the PXI-501 is able to act as a ABex system controller, so that no additional controller is required in the cassis.
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Product
PXIe-4136, 200 V, 1 A System PXIe Source Measure Unit
783760-01
Source Measure Unit
±200 V, 1 A System PXI Source Measure Unit—The PXIe‑4136 system source measure unit (SMU) delivers high power, precision, and speed. It is ideal for a broad range of applications including manufacturing test; board-level test; lab characterization with devices such as integrated circuits (ICs), power management integrated circuits (PMICs), and radio frequency integrated circuits (RFICs); and discrete devices including LEDs and optical transceivers. The PXIe‑4136 features 4-quadrant operation. The PXIe‑4136 is a hardware-timed instrument with a high-speed sequencing engine for synchronizing acquisitions between multiple SMUs. The module supports direct DMA streaming between the host PC and SMU, so you can stream large waveforms and measurement data at the full update rate and sample rate of the instrument.
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Product
PXIe High-Speed Source/Measure Unit, 13 V, ± 1 A or 6 V, ± 3 A, 18 W
M9111A
Source Measure Unit
The M9111A is a 1-slot, 2-quadrant PXIe module that provides stable, glitch-free sourcing and sinking, and high accuracy measurements. It offers high-throughput and measurement quality for design validation and production test of RF power amplifiers. With industry-leading output stability under extreme, dynamic load conditions and unmatched transient performance to dramatically reduce voltage droop due to pulse loading, the M9111A SMU speeds test time. The high-speed M9111A can change its output voltage, stabilize that voltage, and accurately measure current from Amps down to micro-Amps all in less than 1 ms so that you can move on to the next test as quickly as possible.
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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
48-Ch 2A-250VAC 2-Bus Fault Insertion
YAV90076
Fault Insertion Unit
48 channels2A 250V 2 Fault Insertion BusesSwitching up to 60CAN Control (or Ethernet with Ethernet to CAN Gateway)Drivers dll & VIs available





























