A 24-GHz RF Transmitter in 65-nm CMOS for In-Cabin Radar Applications

被引：5

作者：

Lee, Suyeon ^{[1
]}

Jeon, Yangji ^{[1
]}

Park, Geonwoo ^{[1
]}

Myung, Jinman ^{[1
]}

Lee, Seungjik ^{[1
]}

Lee, Ockgoo ^{[1
]}

Moon, Hyunwon ^{[2
]}

Nam, Ilku ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Elect Engn, Busan 46241, South Korea

[2] Daegu Univ, Dept Elect Engn, Gyongsan 38453, South Korea

来源：

ELECTRONICS | 2020年 / 9卷 / 12期

关键词：

CMOS; in-cabin; mm-wave; radar; transmitter; AMPLIFIER EMPLOYING NOISE; DISTORTION CANCELLATION;

D O I：

10.3390/electronics9122005

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A 24-GHz direct-conversion transmitter is proposed for in-cabin radar applications. The proposed RF transmitter consists of an I/Q up-conversion mixer, an I/Q local (LO) oscillator generator, and a power amplifier. To improve the linearity of the I/Q up-conversion mixer, an inverter transconductor with third-order intermodulation (IM3) distortion cancellation is proposed. To improve the I/Q balancing performance of the I/Q LO generator, a poly-phase filter, including parasitic line inductance, is proposed. By employing a highly linear I/Q up-conversion mixer and a balanced I/Q LO generator, the 24-GHz direct-conversion transmitter achieves high linearity and I/Q balancing characteristics. It is fabricated in a 65-nm CMOS process and consumes 150 mW. It shows an OP1dB of 8.6 dBm, an LO leakage of -48 dBc, and an image rejection ratio of -49 dBc for the entire operating band from 24 GHz to 24.5 GHz.

引用

页码：1 / 10

页数：10

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