Inductorless High Isolation 2.4-GHz CMOS Mixer with High Conversion Gain and 2.4-GHz Low Power

نوع مقاله : علمی-پژوهشی

نویسندگان

Sahand University Of Technology

چکیده

This paper proposes a 2.4 GHz active mixer without passive inductor for the transceiver system. Taking into account the design requirements of the mixer, a double-balanced down-conversion structure with active inductor and negative resistance is designed. The proposed mixer with 130 nm CMOS technology is designed and simulated using Cadence software at 1.5 V supply voltage. Although we had to compromise conversion gain with linearity, we were able to achieve very high conversion gain with average linearity. Based on the results of post-layout simulations, the conversion gain of 27.57 dB, IIP3 equal to -7.88 dBm, 1-dB compression point equal to -17.34 dBm and IIP2 equal to 44.22 dBm with power consumption of 2.5 mW was obtained for the proposed mixer. The chip size without input and output pads is 95.18 µm × 117.68 µm, which leads to a chip area of 0.0112mm2.

کلیدواژه‌ها

عنوان مقاله [English]

Inductorless High Isolation 2.4-GHz CMOS Mixer with High Conversion Gain and 2.4-GHz Low Power

نویسندگان [English]

  • M. Dadgar
  • E. Najafi Aghdam
Sahand University Of Technology
چکیده [English]

This paper proposes a 2.4 GHz active mixer without passive inductor for the transceiver system. Taking into account the design requirements of the mixer, a double-balanced down-conversion structure with active inductor and negative resistance is designed. The proposed mixer with 130 nm CMOS technology is designed and simulated using Cadence software at 1.5 V supply voltage. Although we had to compromise conversion gain with linearity, we were able to achieve very high conversion gain with average linearity. Based on the results of post-layout simulations, the conversion gain of 27.57 dB, IIP3 equal to -7.88 dBm, 1-dB compression point equal to -17.34 dBm and IIP2 equal to 44.22 dBm with power consumption of 2.5 mW was obtained for the proposed mixer. The chip size without input and output pads is 95.18 µm × 117.68 µm, which leads to a chip area of 0.0112mm2.

کلیدواژه‌ها [English]

  • Mixer
  • frequency down converter
  • conversion gain
  • high isolation
  • inductorless
  • low power

مراجع

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