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A Fully-Integrated 0.13/spl mu/m CMOS Low-IF DBS Satellite Tuner

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9 Author(s)
Maxim, A. ; Silicon Labs. Inc., Austin, TX ; Poorfard, R. ; Johnson, R. ; Crawley, P.
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A first low-IF fully-integrated tuner for DBS satellite TV applications was realized in 0.13 mum CMOS. A wide bandwidth, ring oscillator integer-N frequency synthesizer having a large frequency step was used to down-convert a cluster of channels to a coarsely defined low-IF frequency, while the second down-conversion to base band was performed in the digital domain. Eliminating the oscillator inductors has reduced the parasitic magnetic coupling from the digital circuitry, allowing single-chip tuner-demodulator integration

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VLSI Circuits, 2006. Digest of Technical Papers. 2006 Symposium on

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