Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2007-09-18
2007-09-18
Urban, Edward F. (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S209000, C455S258000, C455S260000, C455S265000
Reexamination Certificate
active
10880483
ABSTRACT:
A ratiometric clock system for an integrated receiver and associated method are disclosed that provide an advantageous solution for combining digital signal processing (DSP) circuitry on the same integrated circuit as mixer and local oscillator (LO) generation circuitry. The generation circuitry generates an oscillation signal that is passed through a first divider to generate mixing signals for the mixer and that is passed through a second divider to generate a digital clock signal that is utilized by the DSP circuitry. This digital clock signal can be utilized by integrated analog-to-digital conversion circuitry, as well.
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Tuttle G. Tyson
Welland David R.
Willingham Scott D.
Le Nhan T.
O'Keefe, Egan Peterman & Enders LLP
Silacon Laboratories Inc.
Urban Edward F.
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