Low-phase-noise transformer-based top-series QVCO using GaInP/GaAs HBT technology

Chin-Chun Meng*, S. C. Tseng, Y. W. Chang, J. Y. Su, G. W. Huang

*Corresponding author for this work

研究成果: Article同行評審

摘要

The fully integrated GaInP/GaAs heterojunction bipolar transistor, transformer-based top-series quadrature voltage controlled oscillator (QVCO) is demonstrated at 4 GHz. The transformers on the semi-insulating GaAs substrate possess good electrical properties at high frequencies. The QVCO at 4.1 GHz has phase noise of -120 dBc/Hz at I MHz offset frequency, output power of 2 dBm and the figure of merit -178 dBc/Hz.

原文English
頁(從 - 到)215-218
頁數4
期刊Microwave and Optical Technology Letters
49
發行號1
DOIs
出版狀態Published - 1 一月 2007

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