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
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
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
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
VPX55-3HU 3U VPX Power Line Conditioner with Holdu
VPX55-3HU
Power Line Conditioner
The VPX55-3HU is a 400-Watt DC/DC Power Line Conditioner which plugs directly into a standard 3U VPX chassis with a VITA 62 0.8" or 1.0" power slot. This off-the-shelf solution is compatible with VPX specifications and addresses the need for 3U VPX power applications requiring an optional VITA 62 Energy Storage Module.
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Product
100-Watt DC Power Line Conditioner w/Holdup
44LS1
Power Line Conditioner
NAI’s 44LS1 is a 100-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 22.5 to 30 VDC at 100 Watts to all downstream DC/DC converters.
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Product
PXIe-4138, 60 V, 3 A System PXI Source Measure Unit
782856-01
Source Measure Unit
±60 V, 3 A System PXI Source Measure Unit—The PXIe‑4138 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‑4138 features 4-quadrant operation. The PXIe‑4138 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-4139 , ±60 V, ±3 A DC, ±10 A Pulsed, 40 W DC, 100 fA Precision System PXI Source Measure Unit
782856-03
Source Measure Unit
PXIe, ±60 V, ±3 A DC, ±10 A Pulsed, 40 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 40 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
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
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, 10 A, Hardware Interlock
40-192A-012-HI
Fault Insertion Unit
The 40-192A-012-HI is a PXI fault insertion switch with hardware interlock using solid state switching elements and is capable of switching current up to 10A. 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
Source Measure Units (SMUs)
B1511B
Source Measure Unit
The SMUs of B1500A integrate 4-quadrant voltage/current source and measurement capabilities for accurate IV measurement with the range of 0.1 fA - 1 A / 0.5 µV - 200 V. It supports spot, sweep, pulse sampling and QS-CV measurements.
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Product
PXI 16-Channel 4-Bus 2A Fault Insertion Switch
40-197A-002
Fault Insertion Unit
This 16-channel fault insertion switch is primarily intended for routing simulated fault conditions in automotive and aerospace applications involving the reliability testing of safety critical controllers.
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Product
PXI Single Bus 74-Ch 2A Fault Insertion Switch
40-190B-001
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 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 Ch, 10 FA Resolution, 210 V, 1.5 A
B2910BL
Source Measure Unit
The Keysight B2910BL Precision Source / Measure Unit (SMU) is a 1-channel, compact and cost-effective bench-top SMU with the capability to source and measure both voltage and current. It is versatile to perform I/V (current vs. voltage) measurement easily with high accuracy. Integration of 4 quadrant source and measurement capabilities enables I/V measurement simply and easily without configuring multiple instruments.
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Product
PXI Single Bus 64-Ch 2A Fault Insertion Switch
40-190B-101
Fault Insertion Unit
The Single Bus, 64 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
PXI 5A Fault Insertion Switch 10-Channel
40-196-001
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
PXI 10GBase-T1 Ethernet MEMS Fault Insertion Switch, 8 Channel
40-205-008
Fault Insertion Unit
The 40-205-008 (PXI) is a 8-channel fault insertion switches designed to simulate common faults on high speed two wire communication interfaces such as xBaseT1 Ethernet. They available with 4 or 8 channels of two wire serial connections and can be used for simulating faults on 10BaseT1, 100BaseT1, 1000BaseT1 and 10GBaseT1 Ethernet interfaces. Any wire can be set as open circuit and shorts can be applied across wire pairs. Fault connections can be made to one of four external signals via two fault buses, typically simulating connections to supply voltage or ground.
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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 Fault Insertion Switch, 7-Channel, Two Fault Buses, 20 A, Hardware Interlock
40-193A-002-HI
Fault Insertion Unit
The 40-193A-002-HI is a 7-Channel Fault Insertion switch with hardware interlock and two fault buses, designed for the simulation of fault conditions in automotive systems. The module is capable of switching current up to 20A.
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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
Source Measurement Unit
SMU4
Source Measure Unit
The SMU4 offers high voltage DPS in a compact, 3U PXI form factor. The SMU4 supports -20V to +20V 100mA with FVMI, FVMV, FIMV, FIMI modes.
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Product
3 Function Slot MOSA Nano Data Concentrator Unit (DCU)
NIU3A-DCU-01
Data Concentrator Unit
NIU3A-RDC-01 is a Modular Open Systems Approach (MOSA) Data Concentrator with low power high performance ARM Cortex -A53 processing. 8 GB RAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet.
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Product
PXI Dual Bus 32-Chan 2A Fault Insert Switch, N/O Through Relays
40-190B-502
Fault Insertion Unit
The Dual 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 open through relays, so in the default state, there are no paths between inputs and outputs for any signal channel.
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Product
PXIe Precision Source/Measure Unit, 15 MSa/s, 100 FA, 60 V, 3.5 A DC/10.5 A Pulse
M9603A
Source Measure Unit
The Keysight M9603A is a PXIe precision SMU featuring best-in-their-class narrow pulse width as narrow as 10 μs. It enables dynamic/pulsed measurements with up to 15 MSa/s for broad emerging applications such as VCSEL optical devices.
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Product
PXI-4132, 100 V, 2 W Precision PXI Source Measure Unit
780558-01
Source Measure Unit
±100 V, 10 pA Precision PXI Source Measure Unit—The PXI-4132 is a programmable, high-precision source measure unit (SMU). It has a single isolated SMU channel that offers a four-quadrant output that incorporates remote (4-wire) sense as well as external guarding. With its high measurement resolution integrated guarding, the PXI-4132 is ideal for high-accuracy leakage measurements on integrated circuits, discrete components, PCBs, and cables. You can also perform high-speed I-V measurements on a variety of components including diodes and organic LEDs using the onboard hardware sequencing engine. In addition, you can synchronize multiple PXI-4132 modules using the PXI backplane to provide high-speed I-V measurements on transistors and more complex devices.
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Product
PXI 30A Fault Insertion Switch 6-chan 2-bus
40-191-012
Fault Insertion Unit
The 40-191-012 is a PXI fault insertion switch 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.





























