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Folded-cascode amplifier with efficient feedforward gain-boosting

Johan Raman (UGent) , Pieter Rombouts (UGent) and Ludo Weyten (UGent)
(2010) ELECTRONICS LETTERS. 46(21). p.1425-1426
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Abstract
An efficient implementation of a two-stage feedforward amplifier is proposed. The new amplifier topology boosts the DC gain of a folded-cascode amplifier by adding a gain path, which makes use of the 'free' transconductance of the folding current sources. Only a single differential pair is used to convert the input voltage to a current. A current splitter extracts the parts needed for feedforward and for the first gain stage. This turns out to be favourable in terms of noise when compared with more traditional feedforward amplifiers.

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Citation

Please use this url to cite or link to this publication:

Chicago
Raman, Johan, Pieter Rombouts, and Ludo Weyten. 2010. “Folded-cascode Amplifier with Efficient Feedforward Gain-boosting.” Electronics Letters 46 (21): 1425–1426.
APA
Raman, J., Rombouts, P., & Weyten, L. (2010). Folded-cascode amplifier with efficient feedforward gain-boosting. ELECTRONICS LETTERS, 46(21), 1425–1426.
Vancouver
1.
Raman J, Rombouts P, Weyten L. Folded-cascode amplifier with efficient feedforward gain-boosting. ELECTRONICS LETTERS. 2010;46(21):1425–6.
MLA
Raman, Johan, Pieter Rombouts, and Ludo Weyten. “Folded-cascode Amplifier with Efficient Feedforward Gain-boosting.” ELECTRONICS LETTERS 46.21 (2010): 1425–1426. Print.
@article{1073136,
  abstract     = {An efficient implementation of a two-stage feedforward amplifier is proposed. The new amplifier topology boosts the DC gain of a folded-cascode amplifier by adding a gain path, which makes use of the 'free' transconductance of the folding current sources. Only a single differential pair is used to convert the input voltage to a current. A current splitter extracts the parts needed for feedforward and for the first gain stage. This turns out to be favourable in terms of noise when compared with more traditional feedforward amplifiers.},
  author       = {Raman, Johan and Rombouts, Pieter and Weyten, Ludo},
  issn         = {0013-5194},
  journal      = {ELECTRONICS LETTERS},
  language     = {eng},
  number       = {21},
  pages        = {1425--1426},
  title        = {Folded-cascode amplifier with efficient feedforward gain-boosting},
  url          = {http://dx.doi.org/10.1049/el.2010.2543},
  volume       = {46},
  year         = {2010},
}

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