Q频段和EHF极高频的特点及应用

时间： 2023-11-07 来源：优译官网

技术问答

Q频段是电磁频谱微波区域中包含的频率范围。常见用法将该范围置于33至50 GHz之间。Q频段位于无线电频谱的EHF范围内。

Q频段主要用于卫星通信、地面微波通信以及射电天文学研究，例如QUIET望远镜。它还用于汽车雷达和研究地球表面特性的雷达。

极高频 (EHF) 是国际电信联盟 (ITU) 对电磁频谱中30至300吉赫兹 (GHz) 无线电频段的称呼。它位于超高频段和远红外频段之间，其下部是太赫兹频段。该频段的无线电波波长为10~1mm，因此也称为毫米频段或毫米波，有时缩写为MMW或mmWave。

毫米波常用于军事火控雷达、机场安全扫描仪、短距离无线网络和科学研究等。

随着网络通讯的快速发展，EHF底部频段正在被用于移动通信网络、5G网络等。

图 1 Q-band, EHF band Coaxial Circulator

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本文由三年不鸣转载自优译官网，原文标题为:Q频段和EHF极高频的特点及应用，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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数据手册 - 优译 - Ver. 5.1 - 2023/9/5 PDF 英文下载

优译（UIY）于2003年在中国深圳成立，是一家可提供定制化服务的国产射频微波器件制造商，产品覆盖射频隔离器，环形器，同轴衰减器，负载，滤波器，放大器，功分器，双工器等军民用微波通信器件，频率范围从300KHz 至 110GHz,功率最高可达20KW。

射频隔离器同轴隔离器嵌入式(带线)隔离器宽带隔离器双节隔离器表面封装(SMT)隔离器微带(基片)隔离器波导隔离器高功率隔离器环行器同轴环行器嵌入式(带线)环行器宽带环行器双节环行器表面封装(SMT)环行器微带(基片)环行器波导环行器高功率环行器同轴衰减器同轴负载滤波器带通滤波器低通滤波器高通滤波器带阻滤波器 VHF带通滤波器 UHF带通滤波器功分器 2路功分器 3路功分器 4路功分器 8路功分器 16路功分器双工器三工器合路器 TX & RX多路耦合系统 TX合路器 RX分路器电桥同频合路器定向耦合器波导同轴转换

授权代理商 - 深圳市世强元件网络有限公司线上商城技术资料

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优译提供多种微波通讯产品，包括射频隔离器、环行器、同轴衰减器等

优译主要生产射频隔离器、环行器、同轴衰减器、同轴终端（负载）、滤波器、放大器、功分器、电桥、定向耦合器、波导同轴转换、双工器/三工器等微波通讯产品。本文对各种产品进行了详细介绍。

原厂动态发布时间 : 2019-11-20

有方科技GNSS模组G7A通过中国电力科学研究院单北斗检测，深化电力国产化应用

近日，有方科技GNSS模组G7A成功通过中国电力科学研究院单北斗检测，意味着有方G7A模组无论是在城市高楼林立、信号复杂的密集区域，还是野外空旷、挑战重重的自然地带，都能迅速锁定信号，实现精准定位，满足各类电力场景的需求。

原厂动态发布时间 : 2024-11-08

【元件】优译X波段8-12GHz波导隔离器、环行器WR90（BJ100），可用于卫星通信和医用微波系统等领域

X波段作为一种特定频段的电磁波，在通信、医疗、安全检测和天文学等领域都有着广泛的应用。通过充分利用X波段的特性，人们可以实现更快速、更精确和更安全的数据传输、医学诊断、安全检测和天体观测等目标。本文中优译将为大家介绍常用波导隔离器、环行器WR90（BJ100），频率范围：8.0-12.0GHz，可用于卫星通信、医用微波系统、安全检测领域、天文学领域等。

产品发布时间 : 2023-11-28

优译滤波器选型表

优译提供带通滤波器/高通滤波器/低通滤波器/带阻滤波器选型，多种不同带通频率，插损(dB)：0.2-9dB，驻波比：1.2-2，功率(W)：2-100W，连接形式：BNC,N,SMA/N,SMA/SMA/N,SMA,BNC/N, SMA/SMA-F/BNC-F等。

产品型号	品类	带阻频率（MHz）	通带频率（MHz）	阻带抑制Min(dB)	驻波比	插入损耗(dB)	功率(W)	连接形式	温度范围(°C)	外形尺寸-长x宽x高(mm)
UIYBSF3525A616T638NF	带阻滤波器	616~638MHz	50~576MHz 678~800MHz	40	1.8	2.5	5	SMA, N	-55~+85	35×25×20

选型表 - 优译立即选型

优译18至26.5GHz波导隔离器UIYWI2869A，连接形式WR42(BJ220)，专为高功率应用设计

优译UIYWI2869A波导隔离器，是一款专为高功率、高频率应用设计的先进射频器件，尺寸为28x68mm，工作在18GHz至26.5GHz频率范围内，它融合了卓越的隔离性能与紧凑的波导结构设计，完美适配于雷达系统、卫星地面站、以及需要高信号完整性的通信网络中。

产品发布时间 : 2024-11-01

优译环行器选型表

优译同轴环行器、表面封装环行器（SMT环形器）、微带环行器、单节微带环行器、微带基片环行器、嵌入式带线环行器选型；多种频率范围，Insertion Loss Max(dB)：0.2-5dB，Isolation Min(dB)：1.4-30dB，VSWR Max：1.15-1.8，Forward Power(W)：2-1500W，Reverse Power(W)：2-1500W，低插损、高隔离、高功率；可按客户要求定制。

产品型号	品类	Freq. Range(MHz、GHz)	Insertion Loss Max(dB)	Isolation Min(dB)	VSWR Max	Forward Power(W)	Reverse Power(W)	Connector Type	Temp.(℃)
UIYWC6880A54T59	波导环行器	5.4 ~ 5.9 GHz	0.3	23	1.2	100	100	WR137(BJ70)	-40 ~ +85

选型表 - 优译立即选型

优译隔离器选型表

优译宽带隔离器、波导隔离器、同轴隔离器、微带隔离器、微带基片隔离器、射频隔离器、嵌入式带线隔离器、表面封装隔离器(SMT隔离器)、双节隔离器，提供多种频率范围，VSWR：1.15-1.45，VSWR Max：1.15-1.9，Forward Power(W)：2-1500W，Reverse Power(W)：1-300W，低插损、高隔离、高功率；可按客户要求定制.

产品型号	品类	Freq. Range(MHz、GHz)	Insertion Loss Max(dB)	Isolation Min(dB)	VSWR	Forward Power(W)	Reverse Power(W)	Connector Type	Temp.(°C)
UIYCDI16080A25T30SF	双节隔离器	25 ~ 30 MHz	7	24	1.45	50	50	SMA-F	+10 ~ +60