A x3 Sub-Sampling Mixer for a 77 GHz Automotive Radar Receiver in 28 nm FD-SOI CMOS Technology

被引:2
|
作者
Flete, Alexandre [1 ]
Viallon, Christophe [2 ]
Cathelin, Philippe [3 ]
Parra, Thierry [2 ]
机构
[1] Univ Toulouse, STMicroelectron LAAS, CNRS, UT3, Toulouse, France
[2] Univ Toulouse, LAAS, CNRS, UT3, Toulouse, France
[3] STMicroelectronics, Crolles, France
关键词
Millimeter-wave; Sub-harmonic; Passive mixer; Frequency down-conversion; Low duty cycle;
D O I
10.1109/SiRF53094.2022.9720061
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents an innovative x3 sub-sampling frequency downconverter for converting signals around 77 GHz from a 26 GHz LO signal. With a LO frequency divided by 3 this topology allows drastic simplifications on the receiver's LO distribution chain. The sub-sampling mixer operation principle is described and implemented with 28-nm FD-SOI CMOS technology. Simulation results show a 1dB input-referred compression power (ICP1dB) of +3 dBm and a 14.4 dB Noise Figure (NF) with a -2.5 dB conversion gain. The mixer's LO signal shaper consumption is 36 mW on a 1.2V supply while the passive mixer core doesn't require DC power.
引用
收藏
页码:52 / 54
页数:3
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