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Posts by brian
EMI Vent Panels – Air Flow
The curve in figure 1 shows the resistance per square inch of airflow vs. inches of H2O for standard EMI/RFI honeycomb vent panels.
Read MoreEMI/RFI Honeycomb Vent Panels
MAJR offers a wide variety of EMI/RFI Vent Panels in standard sizes which can reduce lead time and set up charges for our customers. However, we understand that some shielding requirements need special designs. MAJR’s team of engineers can assist with applications requiring special mounting or dimensions. For most applications, aluminum Code-32 honeycomb will provide…
Read MoreMAJRAbsorber: Uses & Benefits
Radio frequencies (RF) are an amazing tool to send communications via airwaves to a receiver device that can be thousands of miles away. They’ve been harnessed since the beginnings of radio and now reach into every crevice of daily life for consumers and manufacturers. Unfortunately, radio frequencies also cause Electromagnetic interference (EMI), also called radio-frequency…
Read MoreEMI Vent Panels
EMI Ventilation panels from MAJR Products are ready-to-install EMI / RFI shielded panels in standard sizes made from brass, steel or aluminum for the electronics industry with minimum static pressure drop. Shielding effectiveness is accomplished using waveguide design principles – its 4:1 opening to depth ratio. The choice of an EMI / RFI vent panel…
Read MoreEMI/RFI Connector Gaskets: What, Where and Why
When thinking about EMI/RFI connector gaskets, one of the best analogies might be in your own home, with water. Water can be a godsend or a curse. It needs to be contained in your plumbing system which takes it to where it is useful. But a leak within your home or from the outside elements…
Read MoreEMI Shielding for 5G: It’s a Whole New World
5G (fifth generation) is the newest communication infrastructure and electronic device advancement to enable a multitude of faster, more functional, comprehensive technologies and human services available to everyone. 5G is used with mission critical communications, internet of things (IoT) and mobile broadband telecommunications. 5G Frequencies and Wavelengths The FCC recently granted 280 MHz from 3.70…
Read MoreShining a Transparent Light on EMI Shielded Windows
Wherever there is a window in a hardened enclosure, whether it’s in something as small as a handheld device or as large as a shipping container, there is the probability of EMI contamination. EMI shielded windows are designed to solve this problem. They allow for separation between the interior and exterior of a shielded unit…
Read MoreEMI Vent Panels: Standard and Custom Products from MAJR
Air flow is an important part of many military electronic systems. Keeping equipment cool and air flowing is paramount to long term electronic system stability but creating openings for cooling can cause engineering issues. During design and manufacturing many electronic systems needing protection from EMI/RFI will pose a challenge that needs to be addressed around…
Read MoreMAJRabsorber™: The Best High-Frequency RF Absorber Material
MAJRabsorber™: An Innovative RF Absorber Material Electromagnetic interference (EMI) is a major issue anywhere electronic circuits are found. Mitigating factors like increases in device frequency, high integration in electronic systems, higher power densities, and reductions in PCB thickness and size all contribute to EMI. Shielding electronic devices from electromagnetic noise with conductive materials, such as…
Read MoreMAJR Products Ventilator Systems & Medical EMC Shielding
Ventilator Systems & Medical EMC Shielding Medical facilities are one of the epicenters of the Covid-19 pandemic. Their capacity to treat infected patients with life-saving equipment like medical respirators is vital. Severe Covid-19 patients can develop a life-threatening condition called acute respiratory distress syndrome (ARDS) that requires ventilators to deliver smaller volumes of oxygen and…
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