CMOS low noise amplifier design utilizing monolithic transformers Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/w37639842

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  • Full integration of CMOS low noise amplifiers (LNA) presents a challenge for low cost CMOS receiver systems. A critical problem faced in the design of an RF CMOS LNA is the inaccurate high-frequency noise model of the MOSFET implemented in circuit simulators such as SPICE. Silicon-based monolithic inductors are another bottleneck in RF CMOS design due to their poor quality factor. In this thesis, a CMOS implementation of a fully-integrated differential LNA is presented. A small-signal noise circuit model that includes the two most important noise sources of the MOSFET at radio frequencies, channel thermal noise and induced gate current noise, is developed for CMOS LNA analysis and simulation. Various CMOS LNA architectures are investigated. The optimization techniques and design guidelines and procedures for an LC tuned CMOS LNA are also described. Analysis and modeling of silicon-based monolithic inductors and transformers are presented and it is shown that in fully-differential applications, a monolithic transformer occupies less die area and achieves a higher quality factor compared to two independent inductors with the same total effective inductance. It is also shown that monolithic transformers improve the common-mode rejection of the differential circuits.
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  • File scanned at 300 ppi (Monochrome, 8-bit Grayscale) using ScandAll PRO 1.8.1 on a Fi-6670 in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Made available in DSpace on 2012-09-13T20:16:18Z (GMT). No. of bitstreams: 1 ZhouJianjunJ1999.pdf: 9668259 bytes, checksum: 05083c18c23fffd0847f81fb627f477c (MD5) Previous issue date: 1998-08-18
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2012-09-13T20:13:00Z (GMT) No. of bitstreams: 1 ZhouJianjunJ1999.pdf: 9668259 bytes, checksum: 05083c18c23fffd0847f81fb627f477c (MD5)
  • description.provenance : Submitted by John Valentino (valentjo@onid.orst.edu) on 2012-09-13T19:09:59Z No. of bitstreams: 1 ZhouJianjunJ1999.pdf: 9668259 bytes, checksum: 05083c18c23fffd0847f81fb627f477c (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2012-09-13T20:16:18Z (GMT) No. of bitstreams: 1 ZhouJianjunJ1999.pdf: 9668259 bytes, checksum: 05083c18c23fffd0847f81fb627f477c (MD5)

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