A Fully Integrated 490-GHz CMOS Heterodyne Imager Adopting Second Subharmonic Resistive Mixer Structure

被引：10

作者：

Choi, Kyung-Sik ^{[1
]}

Utomo, Dzuhri Radityo ^{[1
]}

Lee, Sang-Gug ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Daejeon 34141, South Korea

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2019年 / 29卷 / 10期

关键词：

Radio frequency; Mixers; Frequency measurement; Oscillators; Harmonic analysis; Voltage measurement; Imaging; CMOS; heterodyne imager; terahertz (THz) integrated circuit; THz imaging;

D O I：

10.1109/LMWC.2019.2936685

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：

A fully integrated 490-GHz heterodyne imager is reported. The imager adopts a second subharmonic resistive mixer wherein the transmission lines and small capacitors are used to enhance port-to-port isolation and the suppression of undesired local oscillator (LO) leakage and harmonic mixing components. The imager achieves a minimum noise equivalent power of 1.2 pW/Hz(0.5) while dissipating 26 mW from a 1.2-V supply. This work presents the highest frequency implementation among the reported fully integrated heterodyne imagers in silicon technology.

引用

页码：673 / 676

页数：4

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