![]() Indeed, an effective test strategy probably will take advantage of nails and probes as well as functional test and the latest in embedded test technology. Nevertheless, in-circuit test retains a key role in high-volume circuit-assembly test, and flying probers continue to serve low-volume and new-product-introduction (NPI) test. ![]() ![]() Undoubtedly, PCB physical access is increasingly limited as component sizes shrink and test points disappear-either because there is simply no room for them or because they would pose unacceptable loading on sensitive circuitry. For testing PCBs, test engineers have a variety of options ranging from venerable in-circuit testers and flying probers to functional testers and the latest in embedded-instrument technology. ![]()
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