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author:

Wang, Wenzhen (Wang, Wenzhen.) [1] | Huang, Jiwei (Huang, Jiwei.) [2] (Scholars:黄继伟)

Indexed by:

EI

Abstract:

In this paper, a reconfigurable 10/20/40/80 MHz bandwidth Butterworth active-RC low-pass filter (LPF) in 55 nm CMOS for IEEE 802.11ax receiver is presented. This filter has a programmable in-band gain, which can save additional amplifier circuits and reduce analog baseband power consumption. Programmable capacitor array of the filter is used to adjust bandwidth. Adjust the gain ranging from 0 to 24 dB in-band by programmable resistor array. The prototype filter consumes a current 25.1 mA at 1.5 V supply and occupies 0.084 mm2. The spurious free dynamic range (SFDR) of the LPF reaches 71 dB, and the NF is less than 35 dB over the filter's bandwidth. © 2023 IEEE.

Keyword:

Bandwidth Butterworth filters IEEE Standards Low pass filters Passive filters Timing circuits Wireless local area networks (WLAN)

Community:

  • [ 1 ] [Wang, Wenzhen]Fuzhou University, College of Physics and Information Engineering, Fuzhou, China
  • [ 2 ] [Huang, Jiwei]Fuzhou University, College of Physics and Information Engineering, Fuzhou, China

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Year: 2023

Page: 676-680

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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