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A New RF CMOS Gilbert Mixer With Improved Noise Figure and Linearity

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A New RF CMOS Gilbert Mixer With Improved Noise Figure and Linearity

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    1. A New RF CMOS Gilbert Mixer With Improved Noise Figure and Linearity Yoon, J.; Kim, H.; Park, C.; Yang, J.; Song, H.; Lee, S.; Kim, B.;

    2. Outline

    3. Abstract 0.13- µm CMOS technology. 2.4-GHz center frequency. IF of 5MHz. 1.5V supply voltage. Using PMOS switch circuits and inductor. Improved NF and IIP3.

    4. Introduction

    5. Improvement of the noise figure of Gilbert mixer

    6. Improvement of the noise figure of Gilbert mixer

    7. Improvement of the noise figure of Gilbert mixer

    8. Improvement of the noise figure of Gilbert mixer

    9. Improvement of the noise figure of Gilbert mixer

    10. Improvement of the noise figure of Gilbert mixer

    11. Measured results

    12. Measured results

    13. Measured results

    14. Measured results

    15. Conclusion A new circuit to improve noise figure and linearity of a Gilbert mixer has been proposed. The pMOS switch circuits sharpen on/off transition of the switching core and flicker noise from the stage is reduced, resulting in an improved noise figure.

    16. Thanks for your attention

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