2.40-2.48 GHz带通滤波器，0.18 /spl mu/m CMOS

2005 IEEE International Wkshp on Radio-Frequency Integration Technology: Integrated Circuits for Wideband Comm & Wireless Sensor Networks Pub Date : 1900-01-01 DOI:10.1109/RFIT.2005.1598908

R. Yadav, K.S. Lee, V. Bharadwaj

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引用次数: 0

摘要

采用0.18 /spl mu/m CMOS技术设计了工作在2.40 GHz ~ 2.48 GHz范围内的带通滤波器。它具有可调谐的中心频率，q因子和增益。完全集成的片上系统(SOC) 10阶带通滤波器由5级二阶级联而成。该滤波器在ADS软件上的仿真结果表明，在2.40 GHz至2.48 GHz的通频带频率范围内，该滤波器的插入增益为8db。在距离通带边缘400 MHz处，当1.8 V电源产生15 mA电流下沉时，观察到阻带中的衰减高于50 dB。我们给出了几个模拟结果来突出这些特征。

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2.40-2.48 GHz bandpass filter in 0.18 /spl mu/m CMOS

A band-pass filter operating in 2.40 GHz to 2.48 GHz range is designed in 0.18 /spl mu/m CMOS technology. It has tunable center frequency, Q-factor and gain. The fully integrated system-on-chip (SOC) 10th order band-pass filter is built by cascading five stages of 2nd order. The simulation of the filter on ADS software provides an insertion gain of 8 dB in the pass-band frequency from 2.40 GHz to 2.48 GHz. The attenuation in the stop-band is observed to be higher than 50 dB at 400 MHz away from pass-band edge with 15 mA current sinking from a 1.8 V supply. We present several simulation results to highlight these characteristics.

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2005 IEEE International Wkshp on Radio-Frequency Integration Technology: Integrated Circuits for Wideband Comm & Wireless Sensor Networks

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