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high-input-impedance amplifier [1 record]

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Alphabetical list of terms

Record 1 1982-03-09

English

Subject field(s)
  • Electromagnetism
OBS

(...) the magnetic field is usually generated by an electromagnet powered by an alternating-current supply to prevent polarization of the electrodes. The signal is fed to a high-input-impedance amplifier by the electrodes; (...)

French

Domaine(s)
  • Électromagnétisme
OBS

(...) le champ magnétique est généralement créé par un électro-aimant alimenté sous tension alternative de façon à éviter une polarisation des électrodes. La mesure se fait par l'intermédiaire d'un amplificateur dont l'entrée à haute impédance est reliée aux électrodes; (...)

Spanish

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