A second order fully integrated low pass filter with cut-off frequency variable in the range 1.5-15 Hz is presented. The filter is based on a recently proposed CMOS transconductor topology combining G m values of the order of a few nS with large input ranges and suitability to single-ended filter architectures. The performances are validated by simulations performed on a prototype designed with the 0.35 mum BCD6 process of STMicroelectronics. In particular, a dynamic range of 70 dB and power dissipation of 60 muW have been obtained with a corner frequency of 1.5 Hz
A fully integrated very low frequency single-ended Gm-C filter based on a novel transconductor
BRUSCHI, PAOLO
2006-01-01
Abstract
A second order fully integrated low pass filter with cut-off frequency variable in the range 1.5-15 Hz is presented. The filter is based on a recently proposed CMOS transconductor topology combining G m values of the order of a few nS with large input ranges and suitability to single-ended filter architectures. The performances are validated by simulations performed on a prototype designed with the 0.35 mum BCD6 process of STMicroelectronics. In particular, a dynamic range of 70 dB and power dissipation of 60 muW have been obtained with a corner frequency of 1.5 HzFile in questo prodotto:
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