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A low-pass filter with automatic frequency tuning for a bluetooth receiver

 

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Author: Pedro Carrasco, Manuel
Gómez Galán, Juan Antonio
Sánchez Rodríguez, Trinidad
Muñoz Chavero, Fernando
González Carvajal, Ramón
López Martín, Antonio
Department: Universidad de Sevilla. Departamento de Ingeniería Electrónica
Date: 2010
Published in: 17th IEEE International Conference on Electronics, Circuits, and Systems: Atenas, 12-15 de diciembre, 2010, 467-470
Document type: Presentation
Abstract: A third-order Gm-C Chebyshev low-pass filter with high linearity and automatic frequency programmability has been designed. The filter is intended to be used as a channel-select filter for a zero-IF Bluetooth receiver. The frequency tuning scheme is simpler and has more relaxed specifications than conventional ones. The filter bandwidth is 0.5 MHz and the overall scheme dissipates 1.1 mA from a 1.8-V supply. The third-order intermodulation (IM3) distortion of the filter for a 1Vpp two-tone signal centered at 350 kHz is −67dB.
Size: 189.3Kb
Format: PDF

URI: http://hdl.handle.net/11441/23485

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