Low-power high-linearity digital-to-analog converters Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/m900nx12w

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  • In this thesis work, a design of 14-bit, 20MS/s segmented digital-to-analog converter (DAC) is presented. The segmented DAC uses switched-capacitor configuration to implement 8 (LSB) + 6 (MSB) segmented architecture to achieve high performance for minimum area. The implemented LSB DAC is based on quasi-passive pipelined DAC that has been proven to provide low power and high speed operation. Typically, capacitor matching is the best among all integrated circuit components but the mismatch among nominally equal value capacitors will introduce nonlinear distortion. By using dynamic element matching (DEM) technique in the MSB DAC, the nonlinearity caused by capacitor mismatch is greatly reduced. The output buffer employed direct charge transfer (DCT) technique that can minimize kT/C noise without increasing the power dissipation. This segmented DAC is designed and simulated in 0.18 μm CMOS technology, and the simulated core DAC block only consumes 403 μW.
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  • description.provenance : Submitted by Ming-Hung Kuo (kuom@onid.orst.edu) on 2012-03-22T22:12:18Z No. of bitstreams: 3 KuoMingHung2012.pdf: 10736339 bytes, checksum: 61d0393a1f2301fa0272bd5d7b0ed212 (MD5) license_rdf: 21091 bytes, checksum: 6b700a38fb61133bb71e5cac54dd59be (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)
  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2012-03-23T15:55:55Z (GMT) No. of bitstreams: 3 KuoMingHung2012.pdf: 10736339 bytes, checksum: 61d0393a1f2301fa0272bd5d7b0ed212 (MD5) license_rdf: 21091 bytes, checksum: 6b700a38fb61133bb71e5cac54dd59be (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)
  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2012-03-23T19:47:06Z (GMT) No. of bitstreams: 3 KuoMingHung2012.pdf: 10736339 bytes, checksum: 61d0393a1f2301fa0272bd5d7b0ed212 (MD5) license_rdf: 21091 bytes, checksum: 6b700a38fb61133bb71e5cac54dd59be (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)
  • description.provenance : Made available in DSpace on 2012-03-23T19:47:06Z (GMT). No. of bitstreams: 3 KuoMingHung2012.pdf: 10736339 bytes, checksum: 61d0393a1f2301fa0272bd5d7b0ed212 (MD5) license_rdf: 21091 bytes, checksum: 6b700a38fb61133bb71e5cac54dd59be (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2012-03-09

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