Name: NAI 64SD1-08KRF1-13 – High-Density 8-Channel RF Switch Module for MIL-STD & Avionics Test Systems - Shenzhen Changxin
Brand: OTHERS其他

Description

The NAI 64SD1-08KRF1-13 is a high-performance, 8-channel RF switching module engineered by NAI (Nuclear Applications Inc., now part of Esterline/Elbit Systems) for demanding military, aerospace, and industrial test applications. As part of NAI’s modular 64-Series Smart I/O family, the NAI 64SD1-08KRF1-13 integrates eight independent single-pole single-throw (SPST) RF relays capable of switching signals from DC to 2 GHz with excellent isolation and low insertion loss. This module is specifically designed for use in automated test equipment (ATE), electronic warfare (EW) simulation, radar verification, and communications system validation where signal integrity and reliability are non-negotiable.

Built on NAI’s ruggedized SmartCrate™ or compatible backplane architectures (including VXI, PXI, and custom chassis), the NAI 64SD1-08KRF1-13 delivers commercial-off-the-shelf (COTS) flexibility without compromising on military-grade durability. Each channel features 50Ω impedance matching and SMA coaxial connectors, ensuring compatibility with standard RF test setups. The NAI 64SD1-08KRF1-13 supports software-controlled switching via industry-standard protocols, enabling seamless integration into LabVIEW, MATLAB, or proprietary test executive environments—making it a versatile building block for scalable, reconfigurable test systems in defense and avionics programs worldwide.

NAI 64SD1-08KRF1-13

Technical Specifications

Parameter Name	Parameter Value
Product Model	NAI 64SD1-08KRF1-13
Manufacturer	NAI (Nuclear Applications Inc.) / Elbit Systems
Product Type	RF Switch Module – 8-Channel SPST
Number of Channels	8 independent SPST relays
Frequency Range	DC to 2 GHz
Impedance	50 Ω
Insertion Loss	≤1.0 dB @ 2 GHz
Isolation	≥60 dB @ 1 GHz
Connectors	SMA female (front panel)
Switching Voltage	Up to +30 VDC
Control Interface	Digital TTL/CMOS via backplane (compatible with NAI 64-Series controller modules)
Cooling Method	Conduction-cooled (no fans)
Environmental Compliance	MIL-STD-810 (shock, vibration, temperature), MIL-STD-461 (EMI/EMC)
Operating Temperature	-40°C to +85°C (conduction-cooled chassis dependent)

Main Features and Advantages

High-frequency performance with signal fidelity: The NAI 64SD1-08KRF1-13 leverages precision RF relays and controlled-impedance PCB design to maintain signal integrity across its full bandwidth. With insertion loss under 1 dB at 2 GHz and isolation exceeding 60 dB, it ensures accurate stimulus-response measurements in sensitive applications like receiver sensitivity testing or antenna pattern validation—critical for modern phased-array radar and 5G/mmWave development.

Ruggedized for extreme environments: Unlike lab-grade RF switches, the NAI 64SD1-08KRF1-13 is engineered for deployment in mobile shelters, shipboard systems, and airborne test pods. Its conduction-cooled architecture eliminates moving parts, while MIL-STD-810 qualification guarantees survival under high shock (50+ g), random vibration, and wide thermal cycling. This makes it ideal for field-deployable ATE used in forward operating bases or naval maintenance facilities.

Seamless integration into NAI’s Smart I/O ecosystem: The NAI 64SD1-08KRF1-13 plugs directly into NAI 64-Series backplanes alongside other I/O types (digital, analog, power)—enabling mixed-signal test systems in a single compact crate. It supports hot-swapping and built-in self-test (BIST) when used with NAI controller modules, reducing downtime during maintenance. Software drivers for Windows/Linux and APIs for LabVIEW, C/C++, and Python accelerate test program development.

Long-term availability and defense pedigree: Widely deployed in U.S. and NATO programs—including F-35 ALIS support equipment, Patriot missile diagnostics, and submarine EW testers—the NAI 64SD1-08KRF1-13 benefits from NAI’s commitment to long-life-cycle support, often exceeding 15–20 years. This reduces obsolescence risk in sustainment-phase defense systems.

NAI 64SD1-08KRF1-13

Application Field

The NAI 64SD1-08KRF1-13 is a mission-critical component in defense and aerospace automated test systems where RF signal routing must be fast, repeatable, and resilient. In electronic warfare (EW) test benches, it simulates threat radar signals by dynamically switching between multiple RF sources and antennas—validating jammer response in real time. Similarly, in avionics line-replaceable unit (LRU) test stations for platforms like the F-16, AH-64, or P-8 Poseidon, the NAI 64SD1-08KRF1-13 routes communication/navigation signals (e.g., IFF, TACAN, GPS) to verify transceiver functionality under simulated flight conditions.

Naval and ground vehicle maintenance depots also rely on the NAI 64SD1-08KRF1-13 for radar transmitter/receiver calibration and radio interoperability checks. Its ability to operate in uncooled, high-vibration environments makes it suitable for containerized test systems deployed in remote locations. Beyond defense, the module is increasingly used in commercial 5G infrastructure validation, satellite payload testing, and quantum computing labs requiring ultra-low-noise RF switching. In all cases, the NAI 64SD1-08KRF1-13 provides a trusted, standardized solution that accelerates test development while ensuring decades of operational readiness.