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

Autor
Seoane, F.; Macías, R.; Bragos, R.; Lindecrantz, K.
Tipus d'activitat
Article en revista
Revista
Measurement science and technology
Data de publicació
2011
Volum
22
Número
11
Pàgina inicial
1
Pàgina final
11
DOI
https://doi.org/10.1088/0957-0233/22/11/115801 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/14384 Obrir en finestra nova
URL
http://iopscience.iop.org/0957-0233/22/11/115801/pdf/0957-0233_22_11_115801.pdf Obrir en finestra nova
Resum
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 the applications of electrical bioimpedance (EBI). The aim of the authors is not only limited to show that with the currently available electronic devices it is perfectly viable to use this simple VCCS topology as a working curren...
Citació
Seoane, F. [et al.]. Simple voltage-controlled current source for wideband electrical bioimpedance spectroscopy: circuit dependences and limitations. "Measurement science and technology", 2011, vol. 22, núm. 11, p. 1-11.
Paraules clau
current source, electrical biompedance spectroscopy, operational amplifers
Grup de recerca
CREB - Centre de Recerca en Enginyeria Biomedica
IEB - Instrumentació Electrònica i Biomèdica

Participants

  • Seoane, F.  (autor)
  • Macías Macías, Raul  (autor)
  • Bragos Bardia, Ramon  (autor)
  • Lindecrantz, K.  (autor)