Patent · US Active

Ratiometric clock systems for integrated receivers and associated methods

US7471940B2 · kind B2 · utility

9Cited by
25References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 2007
Grant dateDec 30, 2008
Priority date
Expiry dateSep 14, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B1/30
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

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 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.