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A 2.5MHz bandpass active complex filter With 2.4MHz bandwidth for wireless communications
(2008)
This paper presents a fully differential 8thorder transconductor-based active complex filter with 2.4MHz bandwidth and centered at 2.5MHz, designed in a 90nm 2.5V 7M and MIM capacitors CMOS process technology. The ...
Ponencia
Random chopping in ΣΔ modulators
(2009)
Σ∆ modulators make a clever use of oversampling and exhibit inherent monotonicity, high linearity and large dynamic range but a restricted frequency range. As a result Σ∆ modulators are often the preferred option for ...