【经验】射频隔离器环形器的调试方法

时间： 2019-12-18 来源：优译

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在调试射频隔离器环形器前，首先预热网络分析仪，约半小时。初始界面BF设为0900MHz，EF设为0930MHz，即设置波形的起止频段：△ F设为1MHz，即频率移动的单位。起止频率和单位频率可根据需要设置。

1、测环形器驻波

A：驻波：在不匹配的情况下，馈线上同时存在入射波与反射波。在入射波与反射波相位相同的地方，电压振幅相加为最大电压振幅V max；而在相位相反的地方电压相减为最小电压振幅V min，两者的比值即为电压驻波比SWR。

B：SWR是一个大于或等于1 的实数，通常用它表示匹配程度。当SWR=1时，为全匹配，线上只载行波；当∞>SWR>1时，线上载行驻波；S越大，行波成分越小，驻波成分越大；S=∞时，线上的波为纯驻波。在某些情况下（如天线和微波器件、环形器、隔离器等），输入端的驻波比应尽可能的接近于1，以便提高传输线效率及减少击穿的危险。

C：用短接板校正，开路，测环形器的回损，SWR≥100即校准成功。

D：测试接法：Ⅰ端接测试设备的信号测试端，Ⅱ接标准负载，Ⅲ端接水负载（水负载需通满30℃左右的水，无气泡）

2、测环形器插损

A：插损：即为插入损耗，指微波元件或器件（环形器或隔离器等）未接入线路前，负载吸收的功率与插入该元件或器件（环形器或隔离器等）后负载吸收的功率之比。常以接收信号电平的对应分贝来表示。

B：插入损耗是由该元件或器件（环形器或隔离器等）对电磁波的吸收和反射所致。

C：用同轴负载校正，直通，测插损，IL=0db为好

D：测试接法：Ⅰ端接测试设备的信号测试端，Ⅱ端接同轴负载，Ⅲ端接标准负载。

E：环形器插损为负，负的越小越好，说明损耗越小；插损为-3db时，环形器功率损耗一半。

F：同轴线接网络分析仪输入T端。

3、测环形器的隔离度

A：隔离度：对一些微波元件（如双T接头、正交波导定向耦合器、铁氧体环形器等），通常将某一段的输入功率Psr与隔离端（即理想情况下没有输出的一端）的输出功率Psc之比成为隔离度R，并用分贝表示。即：R=10lg（Psr/Psc）（分贝）

B：用同轴负载校正，直通，测插损。

C：测试方法：Ⅰ端接同轴负载，Ⅱ端接测试设备的信号测量端，Ⅲ端接标准负载。

D：隔离度付的越大越好，绝对值大于17dB环形器可用，大于20db较好

E：同轴线接网络分析仪输入T端

概念说明：

1、驻波：驻波是驻立不前的波。产生驻波的条件是无耗传输线终端部吸收入射能量而全部将其反射，这时反射系数的模为1（相当于终端短路或开路或终端接入纯电阻性负载）

2、行波：当传输线终端所接负载阻抗等于传输线的特性阻抗时，反射系数为零，线上只存在由振荡源向负载方向传播的电磁波，此电磁波成为行波。

3、行驻波：当传输线终端接有复阻抗负载时，线上将同时存在着行波和驻波，线上电压或电流为行波与驻波之和，故成为行驻。

注意事项：

1、测环形器驻波前的校正：

（1）有短接板校正

（2）用同轴电缆连接网络分析的输入r端口与测试设备的输出端口，以及网络分析仪的输出端口与测试设备的输入端口。

（3）短接板接在网络分析仪信号测量端，设置好起止频率、单位频率

（4）选择测回损，校开路，移动光标至下一行，按“执行”，SWR≥100即校正成功

（5）当转入波形界面后，再把需测试的设备接在网络分析仪信号测量端

2、测试隔离器环形器插损、隔离度前的校正

（1）用同轴负载校正；

（2）用同轴电缆连接网络分析仪的输入T端口与同轴负载的端口，以及网络分析仪的输出端口与测试设备的输入端口，测试设备的输出端口不接线，用帽子盖住；

（3）同轴负载在网络分析仪信号测量端，设置好起止频率，单位频率

（4）选择测插损，校直通，移动光标至下一行，按“执行”；

（5）当转入波形界面后，再把需要测试的设备（如隔离器、环形器等）接在网络分析仪信号测量端

下面是某一宽带环形器的指标测试图：

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本文由宇宙无敌美少女转载自优译，原文标题为:射频环形器的调试说明，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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描述- UIY was established in 2003 in Shenzhen, China, It is an integrated enterprise, which includes research, production, marketing and service for the civilian and military microwave communications device.

型号- UIYBPF8844A,UIYBCC6466A,UIY4PD12071A,UIYDI4249A,UIYDX9580B,UIYDX9580A,UIYHPF3426A,UIYCDI9678A,UIYBCC5049A,UIYDX6733A,UIYBCC5049B,UIYWI2836A,UIYCC4550A,UIYCI1522A,UIYBSF29567A,UIYDDI12075A,UIYCDI7038A,UIYBDI5049B,UIYCA500A,UIYWI4242A,UIYBPF12021A,UIYBPF8648A,UIYBPF10060A,UIYDC3538A,UIYWI1636A,UIYBDI5049A,UIYTX120120A,UIYCA100AN18,UIYWTCWR90A,UIYBCI3434G,UIYBCI3434F,UIYWTCWR90E,UIYCT150AN3,UIYCA50AS18,UIYCT150AN6,UIYDI1925A,UIYCA300AN124,UIYDX12276A,UIYBSF202152A,UIY6RS1UB,UIYWC1027A,UIYLPF19048A,UIYDX170125A,UIY8PD199106A,UIYBCI3434D,UIYBCI3434C,UIYWI1940A,UIYBCI3434B,UIYBCI3434A,UIYMI1416A,UIYWC2225A,UIYDI5663A,UIYWC2225B,UIYBPF250166A,UIYBDC5972A,UIYMC55B,UIY8PD10875A,UIYCT5AN124,UIYHPF3733A,UIY4PD5650A,UIYLPF15830A,UIYLPF3325A,UIYDDC16080A4P,UIYDX62112A,UIYWTCWR112A,UIY8PD245174A,UIYBPF205205A,UIYWTCWR112E,UIYSI15A,UIYBPF7070A,UIYWC4444A,UIYCA300AN3,UIYBDC6434A4P,UIYCA300AN6,UIYCA300AN8,UIYHPF3734A,UIYBPF5313A,UIYBPF9033A,UIYBCC2618A,UIYCT50AN6,UIYBCC2618B,UIYCA2AS18,UIYCT50AS18,UIY8PD144103B,UIY8PD144103A,UIYWTCWR159A,UIYCT50AN3,UIYBPF6535A,UIYWTCWR159E,UIYDX121159A,UIYCA200AN8,UIYCT5AN3,UIYCT5AN18,UIYDI2020A,UIYDX260190A,UIYDDC12060A4P,UIYCA200AN6,UIYCA200AN3,UIYBDC10149A,UIYCT5AN6,UIYCT25AS8,UIYBDC10149B,UIY2T1HC422165A,UIYCI5356A,UIYCA25AS18,UIYMC33Y,UIYBPF338151A,UIYCC5356A,UIYDMC108B,UIYDMC108A,UIYBCI10149B,UIYLPF9426A,UIYBDI6466A,UIYBCC1920A,UIYBCI10149A,UIYBCC1920B,UIYDX340210A,UIYLPF4630A,UIYCA2AS124,UIYCDC7038A4P,UIY4T8RTR3UB2C,UIYBDI5028A,UIYBPF100104A,UIYSC7A,UIYDDI7046A,UIYDI5356A,UIYBCC5028A,UIYDX185155A,UIYSI12A,UIYCDC16080A,UIYWTCWR137A,UIYBDC7272A,UIYWTCWR137E,UIYSI36A,UIYDMC109A,UIYDMC109B,UIYWTCWR28E,UIYCT100AN18,UIYBCC4550A,UIYBPF4814A,UIYCT25AS18,UIYCA150AN3,UIYCDI12060A,UIYDDC3819A,UIYBCI4040B,UIYBCI4040A,UIYBPF12028A,UIYCA10AS3,UIYBPF11022A,UIYBPF4814B,UIYDC815A,UIYDDCP21424A,UIYDI4242A,UIYBPF12026A,UIYSC9B,UIYBPF4815B,UIYLPF3322A,UIYBSF12069A,UIYWI4444A,UIYSI10A,UIYLPF4520A,UIYWI2025A,UIYBDC1920A,UIYWI2025B,UIYMC77A,UIYBSF16168A,UIYBDC1920B,UIYBDI1326A,UIYBDI1326B,UIYHPF5033A,UIYBPF10068A,UIYCA2AS3,UIYCA2AS6,UIYBDC4222A,UIYCA2AS8,UIYBSF4012A,UIYCA10AS8,UIY6TC1UA,UIYCDC12060A4P,UIY6TC1UB,UIYBCC4222A,UIY2PD2828F,UIYCA10AS6,UIY2PD2828G,UIYWC3842A,UIY2PD2828A,UIY16PD22393A,UIY2PD2828B,UIYBPF10069A,UIY2PD2828D,UIYDDCP10025A,UIYCT25AN3,UIYBCI1326A,UIYCA150AN6,UIYBCI1326B,UIYCA5AS18,UIYCT25AN6,UIYBCI5049B,UIYBCI5049A,UIYCT25AN8,UIYWI1925A,UIYBSF11968A,UIYBPF9090A,UIYBPF6464A,UIYLPF8863A,UIYCC4337A,UIYHPF2822A,UIY4PD5230A,UIYBPF17384A,UIY2PD158122A,UIYBPF100145A,UIY4PD136119A,UIYDC1220A,UIYCT500AN18,UIYBPF5026A,UIYBSF17235A,UIYDDC3819A4P,UIY4PD8562A,UIYDX9976A,UIYWI2262A,UIYCT200AN3,UIYCT1000A,UIYCT200AN8,UIYCT200AN6,UIY2T1HC14244A,UIYWTCWR284E,UIYWTCWR284F,UIYCC120140A,UIYBPF5353A,UIYMI1212A,UIYDCP5525A,UIYBCC14272A4P,UIYCA10AS124,UIYDI1219A,UIYBDI2528B,UIYDX8862A,UIYBDI2528A,UIYDDC5025A,UIYDX140110A,UIYWTCWR284A,UIYBDI4040A,UIYWI2260A,UIYLPF16525A,UIYCT10AN124,UIYCA5AN124,UIYBDI4040B,UIYBCI2528A,UIYBDI2525C,UIYBDI2525B,UIYBDI2525A,UIYBCI2528B,UIY2T1HC16445A,UIYWTCWR1150A,UIYDDC1716A4P,UIYCI2528A,UIYBPF3020B,UIYCI100166A,UIYCDC6834A4P,UIYLPF4125A,UIYBSF11060A,UIYCDC6432A,UIYCA2AN6,UIYCA2AN8,UIYBCC2618B4P,UIYBPF12553A,UIYCA2AN3,UIYHPF3934A,UIYDX18484A,UIYBPF4025A,UIYCA30AS3,UIYDX14073A,UIYCA30AS5,UIYDX11880A,UIY2PD2835A,UIYCI4337A,UIYBDI1025A,UIYLPF3022A,UIYCT80AN6,UIYMI45B,UIYCT80AN3,UIYBDI6075F,UIYBPF3414B,UIYBPF3414A,UIYWI2238A,UIYCT2000A,UIYBPF11890A,UIYBPF4721A,UIY2T2RTR350158A,UIYDI80140B,UIY3PD122158A,UIYMI44B,UIYMI44A,UIYBPF7022A,UIYBPF7373B,UIYMI44C,UIYBPF7373A,UIYTX11676A,UIYBCI2618B,UIYWI4876A,UIYBDC2528A,UIYBDC2528B,UIYCT2AB3,UIYBPF10016A,UIYBCI2618A,UIYMI45A,UIYBPF15065A,UIYBDC1716B4P,UIYBPF8550A,UIYCT2AB6,UIYCDC9648A4P,UIYTX7164A,UIYDC2020A,UIYTX7164B,UIYCT500AN124,UIYWTCWR34A,UIY3T1HC30480B,UIY3T1HC30480A,UIYWTCWR10A,UIY4TC420420B,UIYWTCWR34E,UIYWTCWR10E,UIYMC1414A,UIY4TC420420A,UIYDC100100A,UIYBCC3434F,UIYBCC3434C,UIYBCC3434D,UIYBCC3434A,UIYBCC3434B,UIYBPF6817A,UIYCA100AN8,UIYCA100AN6,UIYBDC1325B,UIYBCC3434G,UIYCA50AS124,UIYDI3538A,UIYBDC1325A,UIYCA100AN3,UIYBCI4222A,UIYBSF12070A,UIYCC2525A,UIYBCC6060G,UIYCA25AS124,UIYBCC6060H,UIYBCC6060E,UIYBCC6060F,UIYLPF9923A,UIYBCC6060C,UIYBCC6060D,UIYBCC6060A,UIYBCC6060B,UIYWC3030A,UIYTX100140A,UIYWC3030B,UIYHPF3818A,UIYWI2128A,UIYLPF6420A,UIYLPF17227A,UIYBPF6020A,UIYCA10AN3,UIYCA10AN6,UIYBPF5815A,UIYWTCWR12A,UIYWTCWR12E,UIYCA10AN8,UIY2T2HC23040A,UIYCI6075A,UIYDX166125A,UIY2PD48157A,UIYDX482192A,UIYDDI4027A,UIYBPF6023A,UIYDX118118A,UIYBPF10673E,UIYBPF10673G,UIYBPF10673F,UIYDX102200A,UIYCI4550A,UIYDDI3819A,UIYBPF10673C,UIYBPF10673B,UIYWI2259A,UIYBDC5049B,UIYCDC7038A,UIYBDC5049A,UIYBSF3525A,UIYDX320420A,UIY8TC1UB,UIY2PD3728A,UIY8TC1UA,UIYBCI6466A,UIYBPF8663A,UIY2T2HC40030A,UIYBPF5817A,UIYBSF12970A,UIY2PD2619A,UIY4PD220162A,UIYBCI5028A,UIYDCP8220A,UIYBDC5028A,UIYSC15A,UIYBDC5028B,UIY4TC330330A,UIYCA500AN124,UIYDC4242A,UIYWTCWR15A,UIYBDC6466A,UIYHPF3025A,UIYHPF3025B,UIYWTCWR15E,UIYWTCWR15F,UIYBPF12080A,UIYDC5356A,UIYCT5AS124,UIYCT200AN124,

选型指南 - 优译 - 29th Mar., 2024 PDF 英文下载

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

【技术】中国移动所有基站频段总结

本文中优译将为大家总结中国移动所有基站频段。

技术探讨发布时间 : 2022-04-22

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