This paper presents a 220-GHz-band 7-m wireless link with a 45-Gbps transmission data rate by using 16 quadrature amplitude modulation(16-QAM).Super-heterodyne transceiver modules are developed for transmission and re...This paper presents a 220-GHz-band 7-m wireless link with a 45-Gbps transmission data rate by using 16 quadrature amplitude modulation(16-QAM).Super-heterodyne transceiver modules are developed for transmission and reception of the modulated signals,which consist of a Schottky barrier diodes(SBD)based sub-harmonic mixer(SHM),an InP HEMT low noise amplifier(LNA),a waveguide band-pass filter(BPF),and a 108-GHz local oscillator(LO)multiplier chain.The transmitter features a peak transmit power of 1.41 dBm,and the IF frequency varies from 5 GHz to 20 GHz.Besides,the receiver features a conversion gain of 9.3 dB in average and a noise temperature of 3052.8 K.The measured results indicate that the transceiver modules enable data transmission of a 45-Gbps 16-QAM signal with Signal-Noise-Ratio(SNR)from 11.59 dB to 15.36 dB in a 7-m line-of-sight channel.展开更多
Two different frequency bandwidth subharmonic mixers（SHM） using planar Schottky mixing diodes are discussed and fabricated.Full-wave analysis is carried out to find the optimum diode embedding impedances with a lump...Two different frequency bandwidth subharmonic mixers（SHM） using planar Schottky mixing diodes are discussed and fabricated.Full-wave analysis is carried out to find the optimum diode embedding impedances with a lumped port for modeling the nonlinear junction.The SHM circuit is divided into several different parts and each part is optimized using the calculated diode impedances.The divided parts are then combined and optimized together.The exported S-parameter files of the global circuit are used for conversion loss（CL） discussion.For the 150 GHz SHM,the lowest measured CL is 10.7 dB at 153 GHz,and typical CL is 12.5 dB in the frequency range of 135-165 GHz.The lowest measured CL of the 180 GHz SHM is 5.8 dB at 240 GHz,and typical CL is 13.5 dB and 11.5 dB in the frequency range of 165-200 GHz and 210-240 GHz,respectively.展开更多
基于电子科技大学与中国电子科技集团第十三研究所自主联合设计的肖特基二极管研制宽带360~440 GHz分谐波混频器。详细描述二极管建模,以模拟在极高频复杂电磁环境中由于二极管结构引入的相关寄生效应.在软件HFSS与ADS中,通过场与路结...基于电子科技大学与中国电子科技集团第十三研究所自主联合设计的肖特基二极管研制宽带360~440 GHz分谐波混频器。详细描述二极管建模,以模拟在极高频复杂电磁环境中由于二极管结构引入的相关寄生效应.在软件HFSS与ADS中,通过场与路结合的方法对分谐波混频器进行优化.实测结果显示在本振信号为210 GHz本振功率6 d Bm的驱动下,在406 GHz可得到最小变频损耗9.99 d B,在380~430 GHz范围内,变频损耗小于15 d B,在360~440 GHz范围内,变频损耗小于19 d B.展开更多
采用砷化镓反向平行二极管对管,提出了一款W波段高性能谐波混频器。二极管对管是由实验室砷化镓工艺线制作而成,并且二极管对管的模型显示具有极高的截止频率和低的串联电阻特性,所以适用于W波段。基于此二极管对管,设计、制作并测试了...采用砷化镓反向平行二极管对管,提出了一款W波段高性能谐波混频器。二极管对管是由实验室砷化镓工艺线制作而成,并且二极管对管的模型显示具有极高的截止频率和低的串联电阻特性,所以适用于W波段。基于此二极管对管,设计、制作并测试了石英衬底上的W波段谐波混频器。结果显示在80 GHz^100 GHz的频率范围内,谐波混频器的变频损耗为9.2 d B^12 d B,并且所需要的本振功率仅为6 d Bm,能够很好地减少对本振源的需求。展开更多
基金National Natural Science Foundation of China(No.61871072).
文摘This paper presents a 220-GHz-band 7-m wireless link with a 45-Gbps transmission data rate by using 16 quadrature amplitude modulation(16-QAM).Super-heterodyne transceiver modules are developed for transmission and reception of the modulated signals,which consist of a Schottky barrier diodes(SBD)based sub-harmonic mixer(SHM),an InP HEMT low noise amplifier(LNA),a waveguide band-pass filter(BPF),and a 108-GHz local oscillator(LO)multiplier chain.The transmitter features a peak transmit power of 1.41 dBm,and the IF frequency varies from 5 GHz to 20 GHz.Besides,the receiver features a conversion gain of 9.3 dB in average and a noise temperature of 3052.8 K.The measured results indicate that the transceiver modules enable data transmission of a 45-Gbps 16-QAM signal with Signal-Noise-Ratio(SNR)from 11.59 dB to 15.36 dB in a 7-m line-of-sight channel.
文摘Two different frequency bandwidth subharmonic mixers（SHM） using planar Schottky mixing diodes are discussed and fabricated.Full-wave analysis is carried out to find the optimum diode embedding impedances with a lumped port for modeling the nonlinear junction.The SHM circuit is divided into several different parts and each part is optimized using the calculated diode impedances.The divided parts are then combined and optimized together.The exported S-parameter files of the global circuit are used for conversion loss（CL） discussion.For the 150 GHz SHM,the lowest measured CL is 10.7 dB at 153 GHz,and typical CL is 12.5 dB in the frequency range of 135-165 GHz.The lowest measured CL of the 180 GHz SHM is 5.8 dB at 240 GHz,and typical CL is 13.5 dB and 11.5 dB in the frequency range of 165-200 GHz and 210-240 GHz,respectively.
文摘基于电子科技大学与中国电子科技集团第十三研究所自主联合设计的肖特基二极管研制宽带360~440 GHz分谐波混频器。详细描述二极管建模,以模拟在极高频复杂电磁环境中由于二极管结构引入的相关寄生效应.在软件HFSS与ADS中,通过场与路结合的方法对分谐波混频器进行优化.实测结果显示在本振信号为210 GHz本振功率6 d Bm的驱动下,在406 GHz可得到最小变频损耗9.99 d B,在380~430 GHz范围内,变频损耗小于15 d B,在360~440 GHz范围内,变频损耗小于19 d B.
文摘采用砷化镓反向平行二极管对管,提出了一款W波段高性能谐波混频器。二极管对管是由实验室砷化镓工艺线制作而成,并且二极管对管的模型显示具有极高的截止频率和低的串联电阻特性,所以适用于W波段。基于此二极管对管,设计、制作并测试了石英衬底上的W波段谐波混频器。结果显示在80 GHz^100 GHz的频率范围内,谐波混频器的变频损耗为9.2 d B^12 d B,并且所需要的本振功率仅为6 d Bm,能够很好地减少对本振源的需求。
