Patent · US Expired

Apparatus, methods and articles of manufacture for multiband signal processing

US7187231B2 · kind B2 · utility

11Cited by
77References
29Claims
0Family size

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Inventors

Key dates

Filing dateDec 2, 2002
Grant dateMar 6, 2007
Priority date
Expiry dateFeb 5, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F1/0277
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

Apparatus, methods and articles of manufacture for multiband transmitter power amplification are provided wherein one or more amplifying devices, of which at least one may be one or more current sources, have impedances matched for different input and output frequencies by way of various impedance matching circuits.

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