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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A 24-GHz Fully Integrated CMOS Transceiver for FMCW Radar Applications
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A 24-GHz Fully Integrated CMOS Transceiver for FMCW Radar Applications

机译：A 24-GHz Fully Integrated CMOS Transceiver for FMCW Radar Applications

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摘要

A 24-GHz fully integrated frequency-modulated continuous wave (FMCW) direct conversion transceiver, implemented in a 55-nm low-power CMOS technology with a maximum inline-formula tex-math notation="LaTeX"$f_{mathrm {T}}$ /tex-math/inline-formula of 190 GHz in typical operating conditions and packaged in a 5-mm inline-formula tex-math notation="LaTeX"$times $ /tex-math/inline-formula 5-mm 32-lead quad-flat no-leads (QFN) package, is presented in this article. The single-chip transceiver uses a single 2.5-V supply while all the core circuits are powered by integrated regulators. The complex low-noise transductor in the receiver uses a quadrature hybrid to generate quadrature signals in the receiving front-end. The analog signal processing circuits including high-pass filters, low-pass filters, and programmable amplifiers are implemented following the receiver front-end circuitry. The FMCW signals are generated by an on-chip 24-GHz fractional-N frequency synthesizer. The synthesizer is completely integrated with the transceiver and provides built-in digital frequency modulation to generate chirping signals for the down-conversion local oscillator (LO) and the transmitted signals. The transmitter is composed of a balanced class-AB power amplifier driven by the FMCW signals from the frequency synthesizer.

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