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Elma Electronic is at the forefront of new standards in the embedded computing space. We deliver solutions to defense organizations in the guise of embedded systems, rugged enclosures, and electro-mechanical components such as durable rotary switches and encoders. These are used in a wide range of applications found in sensor processing and digital communications for C5ISR, SIGINT, EW, radar, sonar, and more.

Take a dive into our blog posts to learn about the latest updates in open standards architectures, platform solutions, events, news, or general musings from members of our technical staff.”

New Thermal Management Standards Improve OpenVPX

OpenVPX (VITA 65) has enabled significant improvements in system speeds, reliability, upgradeability, packaging and SWaP-C (size, weight and performance-cooling*) for critical military applications. It also provides greater bus structure commonality across multiple boxes and even across services. 

As system density has increased, the need for more aggressive and innovative thermal management techniques are needed. OpenVPX now boasts several standards that provide various means of dissipating heat within a system.

  • 48.4, liquid flow-through (LFT), probably the most efficient up to 450 watts per card
  • 48.5, air flow-through, which enables metering the air to specific cards
  • 48.7, air flow-by
  • 48.8, air flow-through cooling without sealing for small form factor 3U and 6U VPX modules, (ANSI ratified October 2017)
Here we take a closer look at VITA 48.8, as it shows encouraging signs of becoming...

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