A programmable active-RC complex filter synthesized from Tow-Thomas Low-Pass prototype is proposed in this paper. The filter features tunable Intermediate Frequency fIF), and can be programmed by the external. In addition a tunable damping structure allows to guarantee a minimum image rejection for any value oy the tunable range. The filter is implemented in a .18μm CMOS technology, consumes 0.36mW and its response ranges from 40kHz to 100kHz (SkHz per step). The minimum image rejection is 62dB. The maximum in-band integrated output noise is 132μVrms., while an in-band IM3 of 20dBc is obtained with vin=140mVrms © 2009 IEEE.
DE MATTEIS, M., Vergine, T., Cocciolo, G., Baschirotto, A., Conta, M. (2009). A programmable active-RC complex filter for wireless communications. In Electronics, Circuits, and Systems, 2009. ICECS 2009. 16th IEEE International Conference on (pp.187-190) [10.1109/ICECS.2009.5410971].
A programmable active-RC complex filter for wireless communications
DE MATTEIS, MARCELLO;BASCHIROTTO, ANDREA;
2009
Abstract
A programmable active-RC complex filter synthesized from Tow-Thomas Low-Pass prototype is proposed in this paper. The filter features tunable Intermediate Frequency fIF), and can be programmed by the external. In addition a tunable damping structure allows to guarantee a minimum image rejection for any value oy the tunable range. The filter is implemented in a .18μm CMOS technology, consumes 0.36mW and its response ranges from 40kHz to 100kHz (SkHz per step). The minimum image rejection is 62dB. The maximum in-band integrated output noise is 132μVrms., while an in-band IM3 of 20dBc is obtained with vin=140mVrms © 2009 IEEE.
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