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Highly integrated Active Dual Response Filter

Mohamad-Raafat Lababidi 1
1 Lab-STICC_ENSTAB_CACS_COM ; IDM
STIC - Pôle STIC [Brest], Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : This work focuses on the design of a novel compact Active Dual Response Filter within a single device which allows ensuring the coexistence of three different standards while proposing an optimal structure in terms of response and space. The proposed filter is based on a highly selective low-pass filter at which a highly integrated compact notch filter is coupled. This co-integration of both filters is not a cascade so that the dual response filter occupies the same area as the low-pass filter alone. The Notch filter is set to 700 MHz and is loaded by an Active Capacitor (AC) circuit that allows a rejection at the notch central frequency of at least 19 dB. The low-pass filter cut-off frequency is Fc =890 MHz, the in band return loss is better than 20 dB. This methodology can be extended to various shapes of filter functions.
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https://hal.archives-ouvertes.fr/hal-01236727
Contributor : Annick Billon-Coat <>
Submitted on : Wednesday, December 2, 2015 - 10:47:07 AM
Last modification on : Wednesday, June 24, 2020 - 4:19:24 PM

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  • HAL Id : hal-01236727, version 1

Citation

Mohamad-Raafat Lababidi. Highly integrated Active Dual Response Filter. SBCCI '15, Aug 2015, Salvador de Bahia, Brazil. ⟨hal-01236727⟩

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