基于肖特基二极管的310 GHz紧凑型接收机前端

丁江乔; 梁启尧; 蒋均; 刘戈; 何月

doi:10.11884/HPLPB202436.240119

基于肖特基二极管的310 GHz紧凑型接收机前端

doi: 10.11884/HPLPB202436.240119

丁江乔^1,,
梁启尧¹,
蒋均^{2, 3},
刘戈^{2, 3},
何月^{2, 3, ,}

1.
南京信息工程大学电子与信息工程学院，南京 210044
2.
中国工程物理研究院微系统与太赫兹研究中心，成都 610200
3.
中国工程物理研究院电子工程研究所，四川绵阳 621999

基金项目: 国家自然科学基金项目（12003011）

详细信息

作者简介:
丁江乔，jqding@nuist.edu.cn

通讯作者:
何　月，heyue1109@163.com。

中图分类号: TN957.53
计量
- 文章访问数: 160
- HTML全文浏览量: 79
- PDF下载量: 25
- 被引次数: 0
出版历程
- 收稿日期: 2024-04-07
- 修回日期: 2024-06-06
- 录用日期: 2024-05-15
- 网络出版日期: 2024-06-18
- 刊出日期: 2024-07-04

310 GHz compact receiver front-end based on Schottky diode

Ding Jiangqiao^1
,,
Liang Qiyao¹,
Jiang Jun^{2, 3},
Liu Ge^{2, 3},
He Yue^{2, 3
, ,}

1.
School of Electronic and Information Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
2.
Microsystem and Terahertz Research Center, CAEP, Chengdu 610200, China
3.
Institute of Electronic Engineering, CAEP, Mianyang 621900, China

摘要

摘要: 肖特基混频器是固态太赫兹接收系统的关键部件，与基于超导体-绝缘体-超导体混频器、热电子辐射热计混频器的接收机相比，基于肖特基二极管混频器构建的太赫兹接收机系统不依赖低温附属设备，具有成本低、重量轻、体积小、功耗低等优点。目前基于肖特基二极管混频器构建的太赫兹接收前端结构相对复杂，集成度普遍不高且损耗较大。针对太赫兹接收前端结构复杂、集成度低、损耗大等问题，基于太赫兹肖特基二极管设计了288～318 GHz二次谐波混频器及其本振驱动链路，并基于此混频器构建了太赫兹接收机系统。太赫兹接收机本振驱动链路由一个75 GHz的六倍频功放集成模块与一个150 GHz二倍频模块组成。本振链路的集成化设计使得该接收机集成度大大提高，集成模块尺寸为20 mm×20 mm×43 mm，测试结果表明：在288～318 GHz带宽内，实测的双边带变频损耗为5.8～9.4 dB，噪声温度为1 055～1 722 K，具有良好的射频性能。
- 太赫兹 /
- 肖特基二极管 /
- 集成化 /
- 混频器 /
- 接收机
Abstract: Schottky mixer is the key component of terahertz receiving system. Compared with the receiver based on SIS (superconductor-insulator-superconductor) mixer and HEB (hot-electron bolometer) mixer, the terahertz receiver system constructed on the basis of Schottky diode mixer does not rely on low-temperature accessory equipment, and it has the advantages of low cost, light weight, small volume and low power consumption. At present, the structure of terahertz receiver front-end based on Schottky diode mixer is relatively complex. To solve the problems of complex structure, low integration and high loss of terahertz receiver front-end, a 288−318 GHz sub-harmonic mixer based on Schottky diode and its local oscillation channel is proposed. Accordingly, a terahertz receiver system based on this mixer is constructed. The terahertz receiver’s local oscillation channel consists of a 75 GHz sextupler, a power amplifier integrated module and a 150 GHz frequency doubler. The integrated design of the local oscillator channel makes the receiver integration greatly improved. The overall size of the integrated module is 20 mm×20 mm×43 mm. The final test of the receiver shows that: in the bandwidth of 288−318 GHz, the double sideband conversion loss of the receiver is 5.8−9.4 dB, and the noise temperature is 1 055−1 722 K, which has good RF performance.
- terahertz /
- Schottky diode /
- integration /
- mixer /
- receiver

HTML全文

图 1 肖特基二极管模型

Figure 1. Schottky diode model

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图 2 低通滤波器模型

Figure 2. Low-pass filter model

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图 3 中频低通滤波器S参数

Figure 3. IF low-pass filter S parameter

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图 4 本振低通滤波器S参数

Figure 4. LO low-pass filter S parameter

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图 5 310 GHz谐波混频器整体结构

Figure 5. Overall structure of the 310 GHz sub-harmonic mixer

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图 6 310 GHz谐波混频器仿真结果

Figure 6. Simulated results of the 310 GHz sub-harmonic mixer

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图 7 级联电阻R_s仿真结果

Figure 7. Simulated results of the series resistance

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图 8 310 GHz超外差接收机结构框图

Figure 8. Schematic of 310 GHz heterodyne receiver

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图 9 78 GHz波导带通滤波器

Figure 9. 78 GHz waveguide bandpass filter

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图 10 78 GHz波导带通滤波器仿真结果

Figure 10. Simulated results of the 78 GHz waveguide bandpass filter

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图 11 E波段探针结构仿真结果

Figure 11. Simulated results of the probe

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图 12 E波段集成模块外观

Figure 12. Photo of the integrated module

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图 13 E波段集成模块功率测试结果

Figure 13. Measured results of the power

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图 14 集成模块频谱测试

Figure 14. Measured results of the frequency spectrum

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图 15 E波段集成倍频模块相位噪声测试

Figure 15. Measured results of the phase noise

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图 16 310 GHz接收机测试

Figure 16. Measurement of the 310 GHz receiver

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图 17 接收机测试结果

Figure 17. Measured results of the receiver

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表 1 太赫兹接收机性能对比

Table 1. Performance comparison of terahertz receivers

Ref.	type	frequency/GHz	conversion loss/dB	sideband	integration
[8]	mixer	360～440	9.99～16	single	−
[10]	mixer	320～360	6.9～10	double	−
[14]	receiver	330	11～13	single	yes
[16]	mixer	320～360	7.2～24.1	single	−
[17]	receiver	340	16	single	no
this work	receiver	288～318	5.8～9.4	double	yes

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参考文献(17)

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