active circuits
[ˈæktɪv ˈsɜrkɪts]
nounpl: active circuits
circuitos ativos
1. Electrical circuits that contain active elements such as transistors, operational amplifiers, or other semiconductor devices that can amplify or switch signals
Active circuits are essential in modern electronics for signal amplification and processing.
Os circuitos ativos são essenciais na eletrônica moderna para amplificação e processamento de sinais.
2. Circuits powered by an external energy source that can generate or control electrical signals
Unlike passive circuits, active circuits require a power supply to function properly.
Ao contrário dos circuitos passivos, os circuitos ativos requerem uma fonte de alimentação para funcionar adequadamente.
3. In telecommunications, circuits that are currently in use or ready for use for signal transmission
The network engineer monitored all active circuits to ensure uninterrupted service.
O engenheiro de rede monitorou todos os circuitos ativos para garantir um serviço ininterrupto.
This is technical terminology widely used in both American and Brazilian engineering and technology sectors. In Brazil, the term is standard in university curricula for electrical engineering and in telecommunications companies like Oi and Vivo. The concept became more prevalent in Brazil during the digital infrastructure expansion in the 2000s-2010s.
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