Differential current-mode tunable wave active filters based on single-ended wave port terminators |
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Authors: | Souliotis G Fragoulis N |
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Affiliation: | Dept. of Phys., Univ. of Patras, Rio Patras, Greece; |
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Abstract: | A method for the design of differential current-mode wave active filters, which is based on the use of single-ended wave port terminators, is presented in this paper. The resulting filters are modular and very simple to design while their cutoff frequency is controlled by a dc current, giving them the ability of frequency tuning. As an example a wide-band bandpass filter is realized by cascading a low-pass and a highpass filter. The overall filter has been integrated using a standard 0.35-/spl mu/m CMOS technology. |
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