A D-Band Wideband Single-Ended Neutralized Upconversion Mixer With Controlled LO Feedthrough in 65-nm CMOS

被引：4

作者：

Wang, Chun ^{[1
]}

Liu, Chenxin ^{[1
]}

Herdian, Hans ^{[1
]}

Shehata, Abanob ^{[1
]}

Mayeda, Jill ^{[1
]}

Kunihiro, Kazuaki ^{[1
]}

Sakai, Hiroyuki ^{[1
]}

Shirane, Atsushi ^{[1
]}

Okada, Kenichi ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528550, Japan

来源：

IEEE SOLID-STATE CIRCUITS LETTERS | 2024年 / 7卷

关键词：

Varactors; Radio frequency; Pins; Transmission line measurements; Power transmission lines; CMOS; controlled LO feedthrough; D-band; mixer; passive; single-ended; upconversion; wideband; PHASED-ARRAY;

D O I：

10.1109/LSSC.2024.3393973

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A D-band wideband passive single-ended upconversion mixer with controlled LO feedthrough in 65-nm CMOS process is presented in this letter. The LO feedthrough was controlled by the varactor and the neutralizing transmission line between the LO and RF ports of the mixer. In measurement, the proposed passive single-ended mixer had a conversion gain of -13.0 +/- 1.5 dB with an ultrawide 3-dB bandwidth from 110 to 160 GHz. The LO feedthrough suppression was from -38.9 to -24.4 dB at 135 GHz by changing the varactor bias. The measured OP1dB was -12.5 dBm at center frequency. The chip occupies 0.35 mm(2), including pads.

引用

页码：167 / 170

页数：4

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