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

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Dadgar Morteza; Najafi Aghdam Esmaeil

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Journal Paper

Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2022 | Volume: | Issue: Page(s): 33-41

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Information Journal Paper

Title

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

Author(s)

Dadgar Morteza | Najafi Aghdam Esmaeil | Issue Writer Certificate

Keywords

MixerQ4

frequency down converterQ4

Conversion gainQ4

high isolationQ4

inductorlessQ4

low powerQ4

Abstract

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.

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