10-GHz SiGe BiCMOS Sub-Harmonic Gilbert Mixer Using the Fully Symmetrical and Time-Delay Compensated LO Cells(<Special Section>Analog Circuit Techniques and Related Topics)

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概要

• 論文の詳細を見る

• A 10-GHz sub-harmonic Gilbert mixer is demonstrated in this paper using the 0.35μm SiGe BiCMOS technology. The time-delay when the sub-harmonic LO (Local Oscillator) stage generates sub-harmonic LO signals is compensated by using fully symmetrical multiplier pairs. High RF-to-IF isolation and sub-harmonic LO Gilbert cell with excellent frequency response can be achieved by the elimination of the time-delay. The SiGe BiCMOS sub-harmonic micromixer exhibits 17dB conversion gain, -74dB 2LO-to-RF isolation, IP_<1dB> of -20dBm, and IIP_3 of -10dBm. The measured double sideband noise figure is 16dB from 100-kHz to 100-MHz because the SiGe bipolar device has very low 1/f noise corner.

• 社団法人電子情報通信学会の論文
• 2007-02-01

著者

• WU Tzung-Han

  Department of Communication Engineering, National Chiao Tung University

• MENG Chinchun

  Department of Communication Engineering, National Chiao Tung University

• Wu Tzung‐han

  Department Of Communication Engineering National Chiao Tung University

• Wu Tzung-han

  Department Of Communication Engineering National Chiao Tung University

• Meng Chinchun

  Department Of Communication Engineering National Chiao Tung University

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