Losses can arise from polarization mismatches. Ricardo Perez Alion Science and Technology, Annapolis, MD Antenna polarization is one of many parameters to consider when designing a system. The polarization of the transmitter antenna in a system should be properly aligned with the receiver antenna to maximize coupling. Maximum signal coupling between stations occurs when both … [Read more...]
EMI Filters for Cardiac Pacemakers and Implantable Defibrillators
The use of ceramic feed-through capacitors, as well as specific filter designs and installation techniques, can make cardiac pacemakers immune to EMI ROBERT A. STEVENSON, Maxwell Technologies Carson City, Nevada, USA Under the coordination of Wireless Technology Research, L.L.C. (WTR), the interaction between cellular phones and cardiac pacemakers has been widely … [Read more...]
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