EMC system engineers face trade-offs when selecting high power amplifiers for RF immunity testing. During testing, the amplifier must withstand high levels of reflected power. An appreciation of how reflected power affects an amplifier is important if well-informed decisions are to be made. This article uses a simple thought experiment to de-mystify this complex phenomenon and … [Read more...]
Military
Design Considerations for Minimizing Large Aperture Effects in Shielding
Large aperture arrays can present special shielding challenges Ron Brewer, Laird Technologies, Delaware Water Gap, PA Shielding can be used at the systems or PC board level to protect sensitive equipment or circuits from both internal and external RF sources. Large systems can be placed in shielded rooms or even shielded buildings. However, regardless of the size of the … [Read more...]
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