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A SiGe BiCMOS 24-GHz receiver front-end for automotive short-range radar

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Abstract

This paper presents a fully integrated SiGe BiCMOS 24-GHz receiver front-end implemented for a ultra-wideband automotive short-range radar sensor. The circuit consists of a homodyne I/Q down-converter and a 24-GHz synthesizer. The receiver front-end is able to achieve a power conversion gain as high as 30 dB and a 6-dB noise figure, while preserving high linearity performance thanks to a 1-bit gain control. The frequency synthesizer, which also includes an on-chip loop filter, guarantees a phase noise of −104 dBc/Hz at 1-MHz offset from the 24.125-GHz carrier and a 4.7-GHz tuning range from 20.4 to 25.1 GHz.

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Acknowledgment

The authors would like to thank Alessandro Castorina, STMicroelectronics, Catania, Italy, for his valuable assistance with measurements.

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Authors and Affiliations

  1. Università di Catania, Facoltà di Ingegneria, DIEES, V.le A. Doria 6, 95125, Catania, Italy

    Egidio Ragonese, Vittorio Giammello & Giuseppe Palmisano

  2. STMicroelectronics, Stradale Primosole 50, 95121, Catania, Italy

    Angelo Scuderi

Authors
  1. Egidio Ragonese
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  2. Angelo Scuderi
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  3. Vittorio Giammello
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  4. Giuseppe Palmisano
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Correspondence to Egidio Ragonese.

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Ragonese, E., Scuderi, A., Giammello, V. et al. A SiGe BiCMOS 24-GHz receiver front-end for automotive short-range radar. Analog Integr Circ Sig Process 67, 121–130 (2011). https://doi.org/10.1007/s10470-010-9549-6

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  • DOI: https://doi.org/10.1007/s10470-010-9549-6

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