High frequency CMOS Gm-C bandpass filter with automatic on-chip tuning

机译：具有自动片内调谐功能的高频CMOS Gm-C带通滤波器

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A fourth-order CMOS transconductance-C (Gm-C) bandpass filter with on-chip automatic frequency tuning for wireless receiver filtering applications is proposed. A linearized transconductance (Gm) cell is designed and optimized for phase error cancellation. The center frequency of the filter is locked to an external reference frequency using an Adaptive Gain Phase-Locked Loop (AGPLL). The purpose of the AGPLL technique is to provide a short locking time which is under 50 clock cycles, it decreases the filter time response. The power supply of the proposed design is 2.2 volts and the whole circuit has been implemented in 0.35 um CMOS technology available through the Canadian Microelectronics Corporation (CMC).

机译：提出了一种具有片上自动频率调谐功能的四阶CMOS跨导C（Gm-C）带通滤波器，用于无线接收机滤波应用。设计并优化了线性跨导（Gm）单元，以消除相位误差。使用自适应增益锁相环（AGPLL）将滤波器的中心频率锁定为外部参考频率。 AGPLL技术的目的是提供一个短的锁定时间，该锁定时间低于50个时钟周期，它降低了滤波时间响应。拟议设计的电源为2.2伏，整个电路采用可通过加拿大微电子公司（CMC）获得的0.35 um CMOS技术实现。

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《Electronics, Circuits and Systems, 2001. ICECS 2001. The 8th IEEE International Conference on》|2001年|P.823-826|共4页
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Elhallabi; H.; Fouzar; Y.; Sawan; M.;
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中图分类无线电电子学、电信技术;
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2. A Very Low Power 10 MHz CMOS Continuous-Time Bandpass Filter with On-Chip Automatic Tuning [J] . Gholamreza Zareh FATIN, Mohammad GHADAMI IEICE Transactions on Electronics . 2006,第7期

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3. A highly linear CMOS G/sub m/-C bandpass filter with on-chip frequency tuning [J] . Zhong Yuan Chang, Haspeslagh D. IEEE Journal of Solid-State Circuits . 1997,第3期

机译：具有线性频率调节功能的高度线性CMOS G / sub m / -C带通滤波器
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High frequency CMOS Gm-C bandpass filter with automatic on-chip tuning

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