VITA Connectors: Why They Matter for Today’s Mission-Critical Systems
In aerospace, defense, space and rugged industrial systems, engineers are being asked to do more with less. Platforms are expected to shrink in size and weight while packing faster performance and greater computing capability than ever before — all while providing reliability for the most demanding applications.
Across the landscape of mission-critical electronics, VITA standards—ranging from VPX backplanes to high-density RF modules—now serve as a vital foundation. As engineers deal with escalating data rates and rigorous SWaP-C constraints, the demand for dependable, high-performance interconnect solutions continues to increase.
Why VITA connectors are critical to embedded systems today
If you aren’t familiar with VITA, it stands for VMEbus International Trade Association. VITA defines and manages a family of open standards for embedded computing. VPX-based standards are used extensively in military electronics, radar / EW systems, avionics, aerospace platforms, satellite technology, industrial automation and more.
Some of the most popular standards are:
- VITA 46 (VPX) for high speed digital backplanes
- VITA 67, which defines RF coaxial connectivity on VPX modules
Why VITA standards matter to engineers everywhere
VPX may not be new, but it’s more relevant than ever. As engineers work to do more with less, VITA standards address many of the challenges they face designing today’s embedded computing systems.
Let’s take a look at some of the most common problems engineers face today, and how VITA helps to solve them.
Problem: Interoperability between modules from multiple vendors
Solution: Open standards prevent vendor lock-in and give system integrators the flexibility to choose from different suppliers when sourcing modules, backplanes and interconnects. It also simplifies sustainment over the long life of many defense, space and industrial programs.Problem: Higher aggregate data rates for AI, sensor fusion, radar, autonomous processing and more
Solution: VITA connectors are designed to support the stringent signal integrity requirements of high speed, dense backplane architectures.Problem: Embedded computing systems must operate under some of the most extreme conditions on earth (and beyond).
Solution: Look for connectors qualified to VITA standards. They're designed to military specs for vibration, shock, temperature extremes, humidity and EMI.Problem: Less space. Less weight. More responsibility.
Solution: The modular nature of VITA based architectures allow engineers to scale up processing and RF performance as needed within space-constrained platforms. This is critical for unmanned systems, edge computing, and space applications where weight is always at a premium.
The importance RF in VPX Systems
Applications like radar, electronic warfare, SATCOM and software-defined radios are growing more bandwidth-hungry than ever. As a result, engineers are focusing on increasing the RF capabilities of VPX platforms.
Traditional coax connections are bulky and take up valuable real estate on a panel. In response to these challenges, VITA 67 specifies how high density RF contact points can be integrated directly into the VPX ecosystem.
What is VITA 67.2?
VITA 67.2 is a recent iteration of high-density RF. This standard specifies blind-mate RF modules with SMPM-style contacts, allowing high-frequency RF connectivity within VPX form factors. VITA 67.2 allows for:
- High channel density
- Excellent RF performance up to and beyond 26.5 GHz
- Blind-mate capability
- Reduced space requirement over traditional coax solutions
- Improved modularity
VPX-based systems designed for radar, EW, SIGINT, SATCOM and advanced avionics stand to benefit from greater bandwidth without sacrificing rugged packaging or maintainability.
Aptiv and the VITA ecosystem
At Aptiv, we understand the importance of reliable interconnect solutions for aerospace & defense, industrial, space, and embedded applications. That’s why we’ve partnered with industry leaders to expand our offerings of rugged interconnect solutions to meet the latest VITA 67.2 standards.
Our high-density VITA 67.2 solution is perfect for modern VPX architectures and features:
- Eight SMPM RF coaxial contacts
- Meets VITA 67.2 standard for easy integration into VPX modules
- Support frequency ranges from DC to 26.5 GHz
- Built to military specs for harsh environments
- Blind-mate capability
VITA 67.2 is the latest addition to Aptiv’s suite of multiport and high-density interconnect solutions, providing engineers with the options and flexibility they need to design the embedded systems of tomorrow.
Why now?
We don’t need to tell you that the industry is changing. Autonomous systems, AI-enabled defense electronics, advanced radar, LEO satellites, and edge computing platforms are all driving a need for:
- Increased bandwidth
- Reduced latency
- Improved modularity
- Faster time to upgrade
- Small form factors with low SWaP-C budgets
Open industry standards like VITA are helping make that transition a reality. But as RF capabilities become more crucial than ever to VPX systems, engineers need interconnect partners that understand not just connectors, but the platforms those connectors support. Selecting the right VITA connector isn’t just about meeting specifications, it’s about understanding how those specifications apply to your system.
Engineering with confidence
At Aptiv, our goal is to make your life easier by providing rugged, high-performance interconnect solutions that let you focus on what you do best. Designing embedded systems. When you select Aptiv’s VITA 67.2 high-density RF interconnect solution, you’re not just choosing a multiport connector, you’re trusting Aptiv to stand behind your critical applications today and well into the future.
By partnering with industry leaders and leveraging our decades of experience providing rugged interconnect solutions, Aptiv is here to help you solve your toughest engineering challenges.