A D-Band CMOS Amplifier with a New Dual-Frequency Interstage Matching Technique

Dong Hyun Kim; Doyoon Kim; Jae Sung Rieh

doi:10.1109/TMTT.2017.2655508

A D-Band CMOS Amplifier with a New Dual-Frequency Interstage Matching Technique

Dong Hyun Kim, Doyoon Kim, Jae Sung Rieh

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

A new interstage matching technique has been proposed and successfully applied to a {D}-band amplifier in a 65-nm CMOS technology. The proposed technique is based on a simultaneous conjugate matching at the interstages of multistage amplifiers at two frequencies, resulting in an increased bandwidth. The six-stage amplifier designed based on this technique shows a peak gain of 13.8 dB at 113.7 GHz with a 3-dB bandwidth of 11.2 GHz (110.6-121.8 GHz) without balun loss compensation, while consuming a dc power of 40 mW. Measured noise figure shows a minimum value of 10.8 dB at 115 GHz. The output P₁ dB and the saturation output power P_sat are-14 and-3 dBm, respectively. The circuit occupies an area of 1100 × 550μm².

Original language	English
Article number	7845708
Pages (from-to)	1580-1588
Number of pages	9
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	65
Issue number	5
DOIs	https://doi.org/10.1109/TMTT.2017.2655508
Publication status	Published - 2017 May

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea grant funded by the Korea Government under Grant NRF-2015R1A2A1A05001836.

Publisher Copyright:
© 2017 IEEE.

Keywords

Amplifier
millimeter-wave circuits
wideband

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

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Cite this

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abstract = "A new interstage matching technique has been proposed and successfully applied to a {D}-band amplifier in a 65-nm CMOS technology. The proposed technique is based on a simultaneous conjugate matching at the interstages of multistage amplifiers at two frequencies, resulting in an increased bandwidth. The six-stage amplifier designed based on this technique shows a peak gain of 13.8 dB at 113.7 GHz with a 3-dB bandwidth of 11.2 GHz (110.6-121.8 GHz) without balun loss compensation, while consuming a dc power of 40 mW. Measured noise figure shows a minimum value of 10.8 dB at 115 GHz. The output P1 dB and the saturation output power Psat are-14 and-3 dBm, respectively. The circuit occupies an area of 1100 × 550μm2.",

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A D-Band CMOS Amplifier with a New Dual-Frequency Interstage Matching Technique

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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