Simple voltage-controlled current source for wideband electrical bioimpedance spectroscopy: circuit dependences and limitations

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Seoane, F.; Macías Macías, Raul; Bragós Bardia, Ramon; Lindecrantz, K.; (2011)
  • Publisher: Technical University of Catalonia
  • Related identifiers: doi: 10.1088/0957-0233/22/11/115801
  • Subject: current source; electrical biompedance spectroscopy; operational amplifiers | :Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors::Xarxes de banda ampla [Àrees temàtiques de la UPC] | Spectrum analysis | Comunicació sense fil, Sistemes de | electrical biompedance spectroscopy | Teoria espectral (Matemàtica) | Wireless communication systems | current source | Medical Laboratory and Measurements Technologies | Medicinsk laboratorie- och mätteknik | operational amplifers

In this work, the single Op-Amp with load-in-the-loop topology as a current source is revisited. This circuit topology was already used as a voltage-controlled current source (VCCS) in the 1960s but was left unused when the requirements for higher frequency arose among ... View more
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