Sinusoid signal generator for on-chip impedance spectroscopy | IEEE Conference Publication | IEEE Xplore

Sinusoid signal generator for on-chip impedance spectroscopy


Abstract:

Compact signal generators are a necessary component for many biomedical and chemical sensor microsystems. This paper presents a signal generator with precise digital freq...Show More

Abstract:

Compact signal generators are a necessary component for many biomedical and chemical sensor microsystems. This paper presents a signal generator with precise digital frequency control that is 62% smaller the previous designs. The signal generator can produce analog sine waves and digital cosine waves from 4.8 Hz to 39 kHz with a SFDR greater than 99 dB. In a 0.5 µm CMOS process the total signal generator area is 361µm × 1048µm.
Date of Conference: 24-27 May 2009
Date Added to IEEE Xplore: 26 June 2009
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Conference Location: Taipei, Taiwan

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