Design of current-mode square-root domain band-pass filter with reduced voltage

Gwo Jeng Yu, Chun Yueh Huang, Jenn Jiun Chen, Bin Da Liu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


A design technique for current-mode square-root domain band-pass filter fabricated in a 0.25 μ m CMOS process is presented. The basic building block consists of current-mode current mirrors, square-root circuits and capacitors, and in which the overall supply voltage is reduced by adopting low-voltage level-shift current mirror. Both of the simulation and measured results, which are in good agreement, indicate that the prototype of the band-pass provides tunable center frequency of 4-10 MHz with bias-current-tunable, -26.7 dB total harmonic distortion (THD), and approximately 1.598 mW power dissipation with a 1.5 V supply voltage. Advantages of the proposed filter include high frequency operation, tuneability, low supply voltage operation, low power consumption, and low third order intermodulation distortion.

Original languageEnglish
Pages (from-to)239-250
Number of pages12
JournalAnalog Integrated Circuits and Signal Processing
Issue number3
Publication statusPublished - 2005 Sep

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Hardware and Architecture
  • Surfaces, Coatings and Films

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