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一种多频多模接收机低功耗信道选择滤波器 被引量：1

A Lower Power Channel Selective Filter for Multi-Frequency Multi-Mode Receiver
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摘要 基于GSMC 0.18μm RF CMOS工艺,实现了一种8阶有源RC信道选择滤波器,其截止频率在200kHz～10MHz范围内可调,能覆盖GSM,UHF RFID,TD-SCDMA,IEEE 802.11a/b/g等不同频段。提出一种增益带宽积可变的运算放大器,以优化不同模式下的功耗。正交两路信道选择滤波器的芯片尺寸为1.5mm×0.36mm。测试结果表明,在1.8V电源下,滤波器消耗8.6mA,4mA和2.6mA电流,等效输入噪声为20nV/Hz～(1/2),输入3阶交调为15dBm。 Based on GSMC 0.18 μm RF CMOS process, a low-power 8＇h-order active RC channel selective filter was designed for multi-frequency/multi-mode receiver. The filter achieved a tunable cut-off frequency ranging from 200 kHz to 10 MHz, which covers all frequency bands from GSM, UHF RFID, TD-SCDMA to IEEE 802. 11a/b/ g. An operational amplifier with variable GBW was proposed tO optimize power consumption in different modes. The channel selective filter for both I ＆ Q channels occupied a chip area of 1.5 mm × 0.36 mm. The circuit had an input reference noise of 20 nV/√Hz and an IIP3 of 15 dBm, while consuming a current of 8.6/4/2.6 mA from a 1. 8 V supply.
作者 谢淼 任旭 马聪 张润曦 赖宗声
机构地区 华东师范大学微电子电路与系统研究所
出处 《微电子学》 CAS CSCD 北大核心 2012年第4期534-538,555,共6页 Microelectronics
基金 国家科技重大专项(2009ZX01034-002-002-001-02)
关键词 信道选择滤波器 有源RC滤波器 多模多频接收机 Channel select filter Active RC filter Multi-frequency/multi-mode receiver
分类号 TN432 [电子电信—微电子学与固体电子学] TN713.4 [电子电信—电路与系统]
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参考文献12

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二级参考文献5

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共引文献39

同被引文献9

  • 1D'AMICO S, GIANNINI V, BASCHIROTTO A. A 4th-order active-Gm-RC reconfigurable ( UMTS/ WLAN) filter [J]. IEEE J Sol Sta Circ, 2006, 41(7) : 1630-1637.
  • 2KITSUNEZUKA M, HORI S, MAEDA T. A widely- tunable, reconfigurable CMOS analog baseband IC for software-defined radio [J]. IEEE J Sol Sta Circ, 2009, 44(9) : 2496-2502.
  • 3KOUSAI S, HAMADA M, ITO R, et al. A 19.7 MHz, fifth-order active-RC Chebyshev LPF for draft IEEE802. lln with automatic quality-factor tuning scheme [J]. IEEE J Sol Sta Circ, 2007, 42(11): 2326-2337.
  • 4YE L, SHI C Y, LIAO H L, et al. Highly power- efficient active-RC filters with wide bandwidth-range using low-gain push-pull opamps [J]. IEEE Trans Circ & Syst I: Regular Papers, 2013, 60(1): 95-107.
  • 5LIST, LIJ C, GU X C, et al. A continuously and widely tunable 5 dB-NF 89.5 dB-Gain 85.5 dB-DR CMOS TV receiver with digitally-assisted calibration for multi-standard DBS applications [J]. IEEE J Sol Sta Circ, 2013, 48(11): 2762-2774.
  • 6HARRISON J, WESTE N. A 500 MHz CMOS anti- alias filter using feed-forward op-amps with local common-mode feedback [C] // ISSCC. San Francisco, CA, USA. 2003, 1: 132-483.
  • 7WANG X, CHENG T, LIU J, et al. A high linearity multi-band and gain adjustable channel-select filter for TV-tuner application [J]. J Semicond, 2013, 34(9): 095007-1-095007-8.
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微电子学
2012年 第4期

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