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Large signal RF power transmission characterization of InGaP HBT for RF power amplifiers

Zhao Lixin, Jin Zhi and Liu Xinyu

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Abstract: The large signal RF power transmission characteristics of an advanced InGaP HBT in an RF power amplifier are investigated and analyzed experimentally. The realistic RF powers reflected by the transistor, transmitted from the transistor and reflected by the load are investigated at small signal and large signal levels. The RF power multiple frequency components at the input and output ports are investigated at small signal and large signal levels, including their effects on RF power gain compression and nonlinearity. The results showthat the RF power reflections are different between the output and input ports. At the input port the reflected power is not always proportional to input power level; at large power levels the reflected power becomes more serious than that at small signal levels, and there is a knee point at large power levels. The results also showthe effects of the powermultiple frequency components on RF amplification.

Key words: large signal characteristics InGaP HBT nonlinearity

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    Received: 18 August 2015 Revised: 20 August 2009 Online: Published: 01 January 2010

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      Zhao Lixin, Jin Zhi, Liu Xinyu. Large signal RF power transmission characterization of InGaP HBT for RF power amplifiers[J]. Journal of Semiconductors, 2010, 31(1): 014001. doi: 10.1088/1674-4926/31/1/014001 Zhao L X, Jin Z, Liu X Y. Large signal RF power transmission characterization of InGaP HBT for RF power amplifiers[J]. J. Semicond., 2010, 31(1): 014001. doi: 10.1088/1674-4926/31/1/014001.Export: BibTex EndNote
      Citation:
      Zhao Lixin, Jin Zhi, Liu Xinyu. Large signal RF power transmission characterization of InGaP HBT for RF power amplifiers[J]. Journal of Semiconductors, 2010, 31(1): 014001. doi: 10.1088/1674-4926/31/1/014001

      Zhao L X, Jin Z, Liu X Y. Large signal RF power transmission characterization of InGaP HBT for RF power amplifiers[J]. J. Semicond., 2010, 31(1): 014001. doi: 10.1088/1674-4926/31/1/014001.
      Export: BibTex EndNote

      Large signal RF power transmission characterization of InGaP HBT for RF power amplifiers

      doi: 10.1088/1674-4926/31/1/014001
      • Received Date: 2015-08-18
      • Accepted Date: 2009-07-20
      • Revised Date: 2009-08-20
      • Published Date: 2009-12-29

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