A 76 to 81GHz packaged transceiver for automotive radar with FMCW modulator and ADC

Belfiore, Francesco; Calcagno, A.; Borgonovo, Giampiero; Castro, M.; Pisasale, Alessandro; Platania, Massimo; Vinciguerra, Marco; Schiro, C.; Alessi, Gesualdo; Burgio, Carmelo; Leonardi, S.; Salomon, Amedeo Michelin; Gagliano, Stefania; Bartolotta, Francesco; Lizzio, Pietro; Scaccianoce, S.

doi:10.23919/eurad.2017.8249167

Cited by 18 publications

(5 citation statements)

References 8 publications

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“…The adoption of this band allows a substantial reduction in system size and cost, but it also enhances the design challenges of simultaneously fulfilling both S/MR and LR radar requirements. Recent commercial radars exploit advanced SiGe BiCMOS technologies to embed on a single chip the mm-wave radio front-end and the digital interface [4][5][6][7][8]. However, modern nanometer CMOS technologies provide high-speed digital processing capabilities besides non-volatile memories, thus resulting in the most suitable solution for the implementation of low-cost and high-performance W-band sensors [9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

CMOS IC Solutions for the 77 GHz Radar Sensor in Automotive Applications

Papotto,

Parisi,

Finocchiaro

et al. 2024

Electronics

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This paper presents recent results on CMOS integrated circuits for automotive radar sensor applications in the 77 GHz frequency band. It is well demonstrated that nano-scale CMOS technologies are the best solution for the implementation of low-cost and high-performance mm-wave radar sensors since they provide high integration level besides supporting high-speed digital processing. The present work is mainly focused on the RF front-end and summarizes the most stringent requirements of both short/medium- and long-range radar applications. After a brief introduction of the adopted technology, the paper addresses the critical building blocks of the receiver and transmitter chain while discussing crucial design aspects to meet the final performance. Specifically, effective circuit topologies are presented, which concern mixer, variable-gain amplifier, and filter for the receiver, as well as frequency doubler and power amplifier for the transmitter. Moreover, a voltage-controlled oscillator for a PLL efficiently covering the two radar bands is described. Finally, the circuit description is accompanied by experimental results of an integrated implementation in a 28 nm fully depleted silicon-on-insulator CMOS technology.

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Section: Introductionmentioning

confidence: 99%

CMOS IC Solutions for the 77 GHz Radar Sensor in Automotive Applications

Papotto,

Parisi,

Finocchiaro

et al. 2024

Electronics

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show abstract

“…In this context, LC-resonant VCOs are highly preferred at the cost of a large silicon area consumption, mainly due to the tank inductor [3][4][5][6][7][8]. Traditionally, RF/mm-wave ICs are implemented in BiCMOS or CMOS technologies [9][10][11][12][13][14]. Despite several advantages of BiCMOS over CMOS in terms of noise (i.e., lower flicker noise corners), thicker back-end-of-line (BEOL) [15], higher transistor breakdown voltage (BV), and lower transconductance, g m , at a given current level, CMOS is becoming the reference process since it is highly suitable for system-on-chip (SoC) integration, which is pursued by microelectronic industries to reduce chip cost, power consumption, and area occupation [16,17].…”

Section: Introductionmentioning

confidence: 99%

Interstacked Transformer Quad-Core VCOs

Tripoli,

Maiellaro,

Pavone

et al. 2024

Electronics

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This paper presents for the first time a quad-core oscillator based on a very compact interstacked transformer that tightly couples the four cores without oscillation mode ambiguity thanks to its strong magnetic coupling factor. As a proof of concept, a 19.125 GHz oscillator for a narrowband 77 GHz radar system was designed in 28 nm fully depleted silicon-on-insulator CMOS technology with a general purpose back-end-of-line. The soundness of the proposed quad-core oscillator topology is demonstrated by comparison with state-of-the-art quad-core solutions, highlighting a significant advantage in terms of area occupation and power consumption. The proposed topology can be profitably exploited in several RF/mm-wave applications, such as radar and wireless communication systems.

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“…They provide features such as adaptive cruise control (ACC), anti-collision warning, pre-crash detection, etc., with the aim of improving driving safety standards [2]. Modern automotive radar sensors typically adopt System in Package (SiP) implementations exploiting BiCMOS technologies [3][4][5]. However, the increasing demand for a widespread adoption of ADASs calls for System-on-Chip (SoC) implementations.…”

Section: Introductionmentioning

confidence: 99%

A 1-V 7th-Order SC Low-Pass Filter for 77-GHz Automotive Radar in 28-nm FD-SOI CMOS

et al. 2021

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This paper presents a switched capacitor low-pass filter in a 28-nm fully depleted silicon on insulator CMOS technology for 77-GHz automotive radar applications. It is operated at a power supply as low as 1 V and guarantees 5-dB in-band voltage gain while providing out-of-band attenuation higher than 36 dB and a programmable passband up to 30 MHz. A double sampling technique is adopted, which allows high operating frequency to be achieved while saving power. Moreover, low-voltage biasing and common-mode feedback circuits are exploited to guarantee an almost rail-to-rail output voltage swing. The proposed filter provides an output 1-dB compression point as high as 8.7 dBm with a power consumption of 9 mW. To the authors’ knowledge, this is the first SC-based implementation of a low pass filter for automotive radar applications.

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A 76 to 81GHz packaged transceiver for automotive radar with FMCW modulator and ADC

Cited by 18 publications

References 8 publications

CMOS IC Solutions for the 77 GHz Radar Sensor in Automotive Applications

CMOS IC Solutions for the 77 GHz Radar Sensor in Automotive Applications

Interstacked Transformer Quad-Core VCOs

A 1-V 7th-Order SC Low-Pass Filter for 77-GHz Automotive Radar in 28-nm FD-SOI CMOS

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