analog device
[/ˈænəlɔːɡ dɪˈvaɪs/]
nounpl: analog devices
dispositivo analógico
1. An electronic or mechanical device that represents data through continuous physical quantities rather than discrete digital values
The old telephone was an analog device that converted sound waves into electrical signals.
O telefone antigo era um dispositivo analógico que convertia ondas sonoras em sinais elétricos.
2. Equipment that operates using continuously variable signals as opposed to digital (binary) signals
Analog devices like thermometers use mercury levels to indicate temperature changes.
Dispositivos analógicos como termômetros usam níveis de mercúrio para indicar variações de temperatura.
3. Technology that measures or represents physical phenomena through proportional variation in a continuous signal
Modern engineers often replace older analog devices with digital alternatives for better precision.
Engenheiros modernos frequentemente substituem dispositivos analógicos mais antigos por alternativas digitais para maior precisão.
In Brazil, as in the USA, there has been a significant cultural shift from analog to digital devices since the 1990s. The term 'analog device' often carries nostalgic connotations, referring to technologies from before the digital revolution. Younger Brazilians may be less familiar with analog devices, making them objects of curiosity or collectible interest. In professional and technical contexts, understanding analog devices remains important for engineers and technicians across both countries.
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