• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 16 Issue 5
Oct.  2003
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Article Contents
PENG Yong-sheng, WANG Tai-yong, FAN Sheng-bo, WUZhen-yong, WANG Shuang-li. Design of High Quality Anti-aliasing Filter[J]. Journal of Southwest Jiaotong University, 2003, 16(5): 596-601.
Citation: PENG Yong-sheng, WANG Tai-yong, FAN Sheng-bo, WUZhen-yong, WANG Shuang-li. Design of High Quality Anti-aliasing Filter[J]. Journal of Southwest Jiaotong University, 2003, 16(5): 596-601.

Design of High Quality Anti-aliasing Filter

  • Publish Date: 25 Oct 2003
  • The analysis and calculation show that low-pass Butterworth filters, Bessel filters and 3- dB Chebyshev filters have respectively a phase delay of -90°, -74.2°and -114.4°at the cutoff frequency, while their stopband attenuation is respectively -40, -35.9 and -43 dB/oct, where the input frequency is ten times the cutoff frequency. For frequency above 40 kHz, low-pass filters with an MFB(multiple-feedback) structure has better performance than those with an S-K(Sallen- Key) structure. As a result, the design of anti-aliasing filters can be optimized.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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