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Communication Dans Un Congrès Année : 2019

A Compact Active Phaser with Enhanced Linearity of Group Delay for Analog Signal Processing

Résumé

This paper presents a wideband compact phaser with a linear group delay, a key block to many Analog Signal Processing applications as Real-Time Fourier Transforming systems (RTFT). The phaser, designed in a 130 nm BiCMOS technology, presents a group delay dispersion of 3 ns, a layout area of only 30 μm by 330 μm and power consumption of 7.2 mW. Between 300 MHz and 2.5 GHz, the linearity error of the group delay is lower than 5%. The enhanced linearity of the group delay has been obtained thanks to an association of active first-order all-pass filters and active second-order all-pass filters. The benefit of using exclusively active components are the reduced layout area and the signal amplification achieved by the phaser.
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Dates et versions

hal-02290328 , version 1 (26-08-2022)

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Citer

Emilie Avignon-Meseldzija, João Alberto de França Ferreira, Pietro Maris Ferreira, Philippe Benabes. A Compact Active Phaser with Enhanced Linearity of Group Delay for Analog Signal Processing. 14th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS), Oct 2019, Nis, Serbia. ⟨10.1109/TELSIKS46999.2019.9002018⟩. ⟨hal-02290328⟩
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