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Dive into the research topics where Hongtu Sun is active.

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Featured researches published by Hongtu Sun.


ieee asia-pacific conference on antennas and propagation | 2012

Design of a millimeter-wave MEMS antenna array

Yong-sheng Dai; Hongtu Sun; Ping Li; Honghao Yin

In this paper, a phased array of aperture coupled microstrip antenna with a 0-π phase shifter is demonstrated. The phase shifting necessary to steer the main beam of the antenna of the aperture is achieved by 0-π phase shifter, which are integrated in a hybrid fashion between the antenna and feed network. The design of RF-MEMS phase shifters is presented and validated by very good measurement results.


2012 IEEE MTT-S International Microwave Workshop Series on Millimeter Wave Wireless Technology and Applications | 2012

A miniaturized millimeter-wave bandpass filter with LTCC technology

Yongsheng Dai; Honghao Yin; Hongtu Sun; Yuan Feng; Qiuyue Xie; Ming Luo

This paper presents the design and simulation result of a miniaturized millimeter-wave bandpass filter realized by low temperature co-fired ceramic (LTCC) technology. The bandpass filter with a central frequency of 60 GHz and a 6 GHz pass-band is designed as a three-dimensional (3-D) structure based on distributed components. A distinct feature of this filter is the smaller size and lower in sertion loss than conventional filter at such a high frequency. With the assistance of the cross coupling which is implemented by a Z-shaped metal layer, a transmission zero is produced above the pass-band. The insertion loss is 1.6 dB and return loss is better than 20 dB within the pass-band. The overall size of the miniaturized filter is only 1.6mm×0.8mm×0.6mm.


Archive | 2012

Hybrid lumped distribution miniature band-pass filter

Yongsheng Dai; Qunfei Han; Yong Qi; Yuan Feng; Tongsheng Zuo; Hongtu Sun; Min Han; Honghao Yin; Ping Li; Qiuyue Xie


Archive | 2012

Miniature C-band band-pass filter with low insertion loss and excellent high-order harmonic suppression

Yongsheng Dai; Min Han; Yong Qi; Honghao Yin; Ping Li; Qiuyue Xie; Qunfei Han; Yuan Feng; Tongsheng Zuo; Hongtu Sun


Archive | 2012

C-band low-insertion-loss and high-rejection miniature band-pass filter

Yongsheng Dai; Yingchun Wu; Jianfeng Chen; Xiaolong Fan; Xu Li; Yong Qi; Jianxing Wu; Chenjun Wei; Fengying Guo; Qunfei Han; Honghao Yin; Tongsheng Zuo; Yuan Feng; Qiuyue Xie; Ping Li; Hongtu Sun; Min Han; Lijie Wang; Shaobo Chen; Li Xu; Cong Zhou; Hong Zhang; Xi Chen; Qiushan Yu; Jian Yang


Archive | 2012

Micro band-pass filter for suppressing Ku-band harmonic waves into millimeter waves

Yongsheng Dai; Qunfei Han; Feng Shu; Yong Qi; Yuan Feng; Tongsheng Zuo; Hongtu Sun; Min Han; Honghao Yin; Ping Li; Qiuyue Xie; Xiaolong Fan; Fengying Guo; Jianxing Wu; Chenjun Wei; Xu Li; Yingchun Wu; Jianfeng Chen; Lijie Wang; Shaobo Chen; Li Xu; Cong Zhou; Hong Zhang; Xi Chen; Qiushan Yu; Jian Yang


Archive | 2012

90-MHz low-insertion-loss micro low pass filter

Yongsheng Dai; Min Han; Honghao Yin; Ping Li; Yong Qi; Qiuyue Xie; Qunfei Han; Yuan Feng; Tongsheng Zuo; Hongtu Sun; Xiaolong Fan; Fengying Guo; Jianxing Wu; Chenjun Wei; Xu Li; Yingchun Wu; Jianfeng Chen; Lijie Wang; Shaobo Chen; Li Xu; Cong Zhou; Hong Zhang; Xi Chen; Qiushan Yu; Jian Yang


Archive | 2012

L-waveband high stopband rejection micro band-pass filter

Yongsheng Dai; Chenjun Wei; Fengying Guo; Yingchun Wu; Xiaolong Fan; Jianfeng Chen; Xu Li; Jianxing Wu; Qunfei Han; Honghao Yin; Tongsheng Zuo; Yuan Feng; Qiuyue Xie; Ping Li; Hongtu Sun; Min Han; Lijie Wang; Shaobo Chen; Li Xu; Cong Zhou; Hong Zhang; Xi Chen; Qiushan Yu; Jian Yang


Archive | 2012

Low-loss high-suppression minitype cavity body band-pass filter

Yongsheng Dai; Tongsheng Zuo; Yong Qi; Hongtu Sun; Min Han; Honghao Yin; Ping Li; Qiuyue Xie; Qunfei Han; Yuan Feng


Archive | 2012

L-wave-band harmonic suppression minitype band-pass filter

Yongsheng Dai; Honghao Yin; Ping Li; Qiuyue Xie; Qunfei Han; Yuan Feng; Tongsheng Zuo; Hongtu Sun; Min Han

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Honghao Yin

Nanjing University of Science and Technology

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Ping Li

Nanjing University of Science and Technology

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Qiuyue Xie

Nanjing University of Science and Technology

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Yongsheng Dai

Nanjing University of Science and Technology

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Yuan Feng

Nanjing University of Science and Technology

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Min Han

Nanjing University of Science and Technology

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Qunfei Han

Nanjing University of Science and Technology

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Tongsheng Zuo

Nanjing University of Science and Technology

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Chenjun Wei

Nanjing University of Science and Technology

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Cong Zhou

Nanjing University of Science and Technology

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