A wideband frequency-shift keying demodulator for wireless neural stimulation microsystems

  title={A wideband frequency-shift keying demodulator for wireless neural stimulation microsystems},
  author={Mian Dong and Chun Zhang and Songping Mai and Zhihua Wang and Dongmei Li},
  journal={19th International Conference on VLSI Design held jointly with 5th International Conference on Embedded Systems Design (VLSID'06)},
  pages={4 pp.-}
This paper presents a wideband frequency-shift keying (FSK) demodulator which is suitable for a digital data transmission chain of wireless neural stimulation microsystems such as cochlear implants and retinal prostheses. The demodulator circuit derives a constant frequency clock directly from a FSK carrier, and uses this clock to sample the data bits. The circuit occupies 0.03 mm/sup 2/ in a 0.6 /spl mu/m, 2M/2P, standard CMOS process, and consumes 0.25mW at 5V. This demodulator circuit is… CONTINUE READING
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A wideband wireless microstimulating ASIC for cochlear implant

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