A 335-GHz Subharmonic Quadrature Mixer MMIC Based on GaAs Schottky Diode Technology

Songzhuo Liu; Gang Gao; Bin Niu; Weihua Yu

doi:10.1109/LMWT.2025.3551334

A 335-GHz Subharmonic Quadrature Mixer MMIC Based on GaAs Schottky Diode Technology

Songzhuo Liu, Gang Gao, Bin Niu, Weihua Yu^*

^*此作品的通讯作者

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

This letter presents a 335-GHz quadrature mixer with monolithic microwave integrated circuit (MMIC) utilizing the GaAs Schottky diode technology. By using two identical double-sideband (DSB) subharmonic mixer units and a 90° phase shift line co-designed with an on-chip double-RF probe, a quadrature phase relationship downconversion is achieved on a single GaAs chip. The conversion loss of the mixer is approximately 16 dB in the 330–350-GHz frequency range. The amplitude imbalance is less than 3 dB within the 333–342-GHz range, while the phase imbalance is less than 10° in the 330–340-GHz range. The quadrature mixer exhibits a reasonable performance with an MMIC structure and the smallest chip area compared with mixers made by two substrates.

源语言	英语
页（从-至）	714-717
页数	4
期刊	IEEE Microwave and Wireless Technology Letters
卷	35
期	6
DOI	http://doi.org/10.1109/LMWT.2025.3551334
出版状态	已出版 - 2025
已对外发布	是

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title = "A 335-GHz Subharmonic Quadrature Mixer MMIC Based on GaAs Schottky Diode Technology",

abstract = "This letter presents a 335-GHz quadrature mixer with monolithic microwave integrated circuit (MMIC) utilizing the GaAs Schottky diode technology. By using two identical double-sideband (DSB) subharmonic mixer units and a 90° phase shift line co-designed with an on-chip double-RF probe, a quadrature phase relationship downconversion is achieved on a single GaAs chip. The conversion loss of the mixer is approximately 16 dB in the 330–350-GHz frequency range. The amplitude imbalance is less than 3 dB within the 333–342-GHz range, while the phase imbalance is less than 10° in the 330–340-GHz range. The quadrature mixer exhibits a reasonable performance with an MMIC structure and the smallest chip area compared with mixers made by two substrates.",

keywords = "Monolithic microwave integrated circuit (MMIC), Schottky diodes, quadrature mixer",

author = "Songzhuo Liu and Gang Gao and Bin Niu and Weihua Yu",

note = "Publisher Copyright: {\textcopyright} 2023 IEEE.",

year = "2025",

doi = "10.1109/LMWT.2025.3551334",

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AU - Yu, Weihua

PY - 2025

Y1 - 2025

N2 - This letter presents a 335-GHz quadrature mixer with monolithic microwave integrated circuit (MMIC) utilizing the GaAs Schottky diode technology. By using two identical double-sideband (DSB) subharmonic mixer units and a 90° phase shift line co-designed with an on-chip double-RF probe, a quadrature phase relationship downconversion is achieved on a single GaAs chip. The conversion loss of the mixer is approximately 16 dB in the 330–350-GHz frequency range. The amplitude imbalance is less than 3 dB within the 333–342-GHz range, while the phase imbalance is less than 10° in the 330–340-GHz range. The quadrature mixer exhibits a reasonable performance with an MMIC structure and the smallest chip area compared with mixers made by two substrates.

AB - This letter presents a 335-GHz quadrature mixer with monolithic microwave integrated circuit (MMIC) utilizing the GaAs Schottky diode technology. By using two identical double-sideband (DSB) subharmonic mixer units and a 90° phase shift line co-designed with an on-chip double-RF probe, a quadrature phase relationship downconversion is achieved on a single GaAs chip. The conversion loss of the mixer is approximately 16 dB in the 330–350-GHz frequency range. The amplitude imbalance is less than 3 dB within the 333–342-GHz range, while the phase imbalance is less than 10° in the 330–340-GHz range. The quadrature mixer exhibits a reasonable performance with an MMIC structure and the smallest chip area compared with mixers made by two substrates.

KW - Monolithic microwave integrated circuit (MMIC)

KW - Schottky diodes

KW - quadrature mixer

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SP - 714

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JO - IEEE Microwave and Wireless Technology Letters

JF - IEEE Microwave and Wireless Technology Letters

IS - 6

ER -

A 335-GHz Subharmonic Quadrature Mixer MMIC Based on GaAs Schottky Diode Technology

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