A 5.25-GHz CMOS folded-cascode even-harmonic mixer for low-voltage applications

Ming Feng Huang, Shuenn Yuh Lee

研究成果: Article同行評審

47 引文 斯高帕斯(Scopus)


This paper presents a 5.25-GHz folded-cascode even-harmonic mixer (FEHM) for low-voltage applications. This FEHM employs the folded technique to reduce the headroom voltage, a current reuse circuit in the RF stage to improve its linearity, and the frequency-doubling technique in the local oscillator (LO) stage to produce an LO double-frequency signal. In addition, the proposed technique exhibits the advantage of high conversion gain. In order to demonstrate the benefits and optimize the circuit design, the theoretical studies of conversion gain, linearity, and noise performance are described. For measurement, the proposed FEHM possesses conversion gain of 8.3 dB, third-order input intercept point (IIP 3) of 0.03 dBm, and second-order input intercept point (IIP a) of 31.2 dBm under the supply voltage of 0.9 V and LO power of 5.5 dBm. The power consumption of the proposed mixer is about 4.95 mW at an IF frequency of 500 kHz.

頁(從 - 到)660-669
期刊IEEE Transactions on Microwave Theory and Techniques
出版狀態Published - 2006 2月

All Science Journal Classification (ASJC) codes

  • 輻射
  • 凝聚態物理學
  • 電氣與電子工程


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