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48 SMT007 MAGAZINE I APRIL 2022 in the frequency band of 4.2 to 4.4 GHz. How- ever, radar altimeter receivers may be sensi- tive to frequencies outside this range, and this is the basis for the FAA's current reluctance to wireless 5G wireless station deployment near airports. Designers Notebook: Design for Test, Part 2 E Current generations for PCB designs have increased in complexity. e product devel- oper and assembly service provider, whether in-house or outsourced, must consider man- ufacturing efficiency, throughput, and pro- cess yield. While design for manufacturing is an absolute necessity for controlling manufactur ing costs, design to accommo- date product testing does need attention as well. e primary concern is to ensure that the end product will perform reliably without compromise. NEOTech Partners with Hemisphere GNSS E NEOTech, a leading provider of electronic manufacturing services and supply chain solu- tions for brand name OEMs in the industrial, medical, and mil/aero markets, is thrilled to announce a new partnership with Hemisphere GNSS, Inc. JAVAD EMS AS9100D/ISO9001-2015 Annual Surveillance Audit E JAVAD EMS ( JEMS) announces that it has completed the annual surveillance audit of its AQMS system in compliance with AS9100D:2016 with no non-conformances at its facility in Silicon Valley. Connect the Dots: The PCB Design Secret Sauce for RF Applications E Design and manufacture of PCBs for radio fre- quency (RF) technology is a unique animal. RF had been considered a niche, thought of only in terms of television broadcasts, com- mercial airline phones, and military radar systems. Now, light industrial and consumer applications ranging from remote meter read- ing to home security systems are just the tip of the RF iceberg. IPC Applauds Biden's Focus on Semiconductors, Urges Passage of Competitiveness Legislation E During his State of the Union address, U.S. President Joe Biden urged Congress to pass much-needed funding for semiconductor manufacturing and other advanced technolo- gies as part of a new competitiveness measure. Winonics Department Leaders Success- fully Complete IPC-6012 Training E Winonics announces the successful comple- tion of IPC-6012 training for five department leaders in its Brea, California facility. e recent certifications are part of a larger com- pany-wide initiative begun in 2021, with a plan to have all production employees trained and certified by the end of 2022. Adventures in Engineering: 5G Expansion and Radar Altimeters E e expansion of cellular broadband in the 3.7– 3.98 GHz spectrum band has crossed into the working frequency range of radar/radio altim- eters. Commercial RAs are intended to operate

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