PCB Design

Em que frequência os traços de PCB começam a atuar como antenas?

Frequencies where the length of the trace is comparable to 1/10th of the wavelength of the wave in air is a decent rule of thumb I’ve heard.

Contudo, you should still be watching out to avoid accidental antenna problems.

  • Avoid ground loops. Use a single point as ground (usually a plane at the bottom of the PCB), and don’t route the ground of one point through the ground at another point. Ground loops can cause really big signal integrity problems.
  • Where possible, use differential signaling — that is, a pair of wires or traces — to send signals, and receive them with differential amplifiers.

consulte Mais informação: Fabricação de eletrônicos de telecomunicações

#PCB Design

OliverSmith

Oliver é um engenheiro eletrônico experiente, especializado em design de PCB, circuitos analógicos, sistemas embarcados, e prototipagem. Seu profundo conhecimento abrange a captura esquemática, codificação de firmware, simulação, disposição, teste, e solução de problemas. Oliver se destaca em levar projetos desde o conceito até a produção em massa usando seus talentos de design elétrico e aptidão mecânica.

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