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An 8-GHz beamforming transmitter IC in 130-nm CMOS

Publiceringsår: 2007
Språk: Engelska
Sidor: 577-580
Publikation/Tidskrift/Serie: Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


An 8-GHz beamforming transmitter IC has been designed in a 130-nm CMOS process. Two power amplifiers with independently controllable phase enable the beamforming. The phases are digitally controllable over the full 360° range, which is accomplished by binary weighting of quadrature phase signals in the power amplifiers. The quadrature phase signals are generated by a quadrature voltage controlled oscillator followed by a buffer, which serves as an isolation between the power amplifiers and the oscillator. The chip contains seven on-chip differential inductors, and consumes a total of 47 mA from a 1.0 V supply. The measured output power is -3 dBm for each power amplifier. © 2007 IEEE.


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • Quadrature phase signals
  • Binary weighting
  • Differential inductors


2007 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2007
  • ISSN: 1529-2517

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