A Wideband Digital RF Receiver Front-End Employing a New Discrete-Time Filter for m-WiMAX

Seo, Heesong; Choi, Injun; Park, Changjoon; Yoon, Jaesung; Kim, Bumman

doi:10.1109/jssc.2012.2185529

Cited by 12 publications

(2 citation statements)

References 20 publications

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“…Conventionally, the SMA and CMA methods are used for high-order MA filters [1][2][3]. However, as the MA size and MA order increase, the numbers of sampling capacitors (SCs) in these filters also rapidly increase.…”

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confidence: 99%

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Reconfigurable High-Order Moving-Average Filter Using Inverter-Based Variable Transconductance Amplifiers

Kweon¹,

Shin²,

Jo³

et al. 2014

IEEE Trans. Circuits Syst. II

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Abstract-A charge sampler-based reconfigurable high-order moving-average (MA) filter designed using a temporal MA (TMA) method is proposed. The proposed filter has a higher gain than conventional MA filters. Moreover, the filter supports variable sizes and orders of MA. That is, the filter has a flexible frequency response by changing not only the sampling frequency but also the MA size (N) and MA order (M). The N and M are easily controlled by changing the clock patterns; therefore, the filter is suitable for multimode transceivers. To minimize the power consumption, inverter-based transconductance amplifiers are used. Here, our fabricated filter using a 65-nm CMOS technology supports MA (N=2, M=3) and MA (N=3, M=2) without changing the hardware.

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confidence: 99%

“…For example, a fabricated filter using a 65-nm CMOS technology supports MA (N=2, M=3) and MA (N=3, M=2) without changing the hardware. Finally, inverter-based TAs are used in order to minimize the power consumption [3].…”

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confidence: 99%