Low-voltage low-power fully-integratable automatic gain controls |
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| Authors: | Wouter A. Serdijn Albert C. Van Der Woerd Jan Davidse Arthur H. M. Van Roermund |
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| Affiliation: | (1) Faculty of Electrical Engineering, Delft University of Technology, Mekelweg 4, 2628 CD Delft, The Netherlands |
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| Abstract: | This paper discusses the design of low-voltage low-power fully-integratable automatic gain controls. Four different AGCs are presented, all consisting of three elementary building blocks: a controlled amplifier, a comparator and a voltage follower. Their design is treated separately. As an example, the final section describes an automatic gain control for hearing instruments, realized in a bipolar process. |
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| Keywords: | low-voltage low-power current-mode automatic gain controls battery-operated |
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