A UHF CMOS Gm-C bandpass filter and automatic tuning design

  title={A UHF CMOS Gm-C bandpass filter and automatic tuning design},
  author={Gao Zhiqiang and Lin Zhiheng and Hou Zhengxiong and Zhang Yonglai and Zhao Xinyuan},
  journal={2010 Academic Symposium on Optoelectronics and Microelectronics Technology and 10th Chinese-Russian Symposium on Laser Physics and Laser TechnologyOptoelectronics Technology (ASOT)},
A CMOS Gm-C bandpass filter using improved Nauta's transconductor and its matched oscillator are presented. The filter can be operated at ultra high frequency (UHF) band with a high quality factor. Quality factor and frequency tuning is also considered. The simulated results show that the center frequency of the filter using TSMC 0.18µm CMOS process can be operated at about 800MHz under 3.3V supply. To match the filter, the oscillator designed is based on the archetype of the filter and the… CONTINUE READING
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