RF Circulator Circuit Symbol
The RF Circulator has its own circuit symbol to facilitate its representation on electronic circuit diagrams or schematics. The basic symbol consists of a circle and an arrow, indicating the direction of the power cycle. Usually, the ports are shown in clockwise order around the circle: port 1, port 2, and finally port 3.
If the component is done by counterclockwise, it is marked in counterclockwise order.
It is worth noting that each port, whether it is a coax feeder or a waveguide, is shown as a single wire rather than a pair of conductors.
One of the commonly used forms of RF circulators is formed by a Y-shaped section of a microstrip or strip-line transmission line on a printed circuit board or another dielectric. The ports are placed 120° apart so they are equally spaced around a circle.
Y shape strip-line RF circulator PCB layout
The PCB assembly is then sandwiched between two pieces of ferrite, and on the outside of it, two strong magnets are held in place. This component creates a strong magnetic field axially through the ferrite disk, which concentrates the magnetic field around the Y-junction, called Biasing.
The cross-section of the RF Circulator structure
When a signal is applied to one of the ports, an electromagnetic field is generated in the strip line, which interacts with the magnetic field from the magnet, and there is a complex interaction between them. This causes the signal to only travel around the circulator to the next port. The circulator assembly consisting of a Y junction and a ferrite has a distinct resonant frequency, equivalent to forming a resonator.
In various radio frequency circuit design applications, the circulator has a wide range of applications that benefit from its much lower insertion loss, that is, the attenuation is much lower. Usually, they tend to be used at microwave frequencies, so they are often called microwave circulators.
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本文由上山打老虎转载自UIY News，原文标题为:RF Circulator Circuit Symbol，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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25th Oct, 2024 - 选型指南 本资料介绍了UIY公司及其产品。UIY成立于2003年，专注于民用和军事微波通信设备的研发、生产和销售。产品涵盖射频隔离器、射频环行器、射频滤波器、衰减器/终端/负载、功率分配器/分裂器、双工器/三工器、收发合路器/分裂器以及其他相关产品。产品广泛应用于民用、军事、航空航天、太空技术等领域。UIY秉承“客户至上、技术领先、诚信为本、勇于创新”的管理理念，致力于为客户提供高质量的产品和服务。
优译 - 3 WAY POWER DIVIDER,双向功率分配器,COAXIAL ATTENUATOR,带阻滤波器,HYBRID COMBINER,波导到同轴适配器,16 WAY POWER DIVIDER,WAVEGUIDE TO COAXIAL ADAPTER,DROP IN CIRCULATOR,嵌入式环形器,BROADBAND ISOLATOR,MICROSTRIP ISOLATOR,16路功分器,TRIPLEXER,RF CIRCULATORS,微带环行器,嵌入式隔离器,8 WAY POWER DIVIDER,带通滤波器,四路功率分配器,SURFACE MOUNT ISOLATOR,RX SPLITTER,射频环行器,MICROSTRIP CIRCULATOR,定向耦合器,同轴衰减器,高通滤波器,TX合路器,HIGH PASS FILTER,波导环行器,RX多路耦合器,低通滤波器,双工器,宽带隔离器,LOW PASS FILTER,宽带环行器,微带隔离器,8路功率分配器,WAVEGUIDE ISOLATOR,DROP IN ISOLATOR,射频隔离器,功分器,RF FILTERS,DUPLEXER,BAND PASS FILTER,TX MULTICOUPLER,COAXIAL CIRCULATOR,混合合路器,BAND STOP FILTER,射频滤波器,同轴终端,COAXIAL TERMINATION,表面安装隔离器,SURFACE MOUNT CIRCULATOR,DUAL JUNCTION CIRCULATOR,双节隔离器,POWER DIVIDER,三工器,WAVEGUIDE CIRCULATOR,RF ISOLATORS,同轴隔离器,表面贴装环行器,衰减器,双结环行器,DIRECTIONAL COUPLER,波导隔离器,功率分配器,2 WAY POWER DIVIDER,4 WAY POWER DIVIDER,BROADBAND CIRCULATOR,三路功率分配器,TX COMBINER,COAXIAL ISOLATOR,POWER SPLITTER,RX MULTICOUPLER,TX多路耦合器,ATTENUATOR,DUAL JUNCTION ISOLATOR,同轴环行器,接收分路器,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,UIY4PD5650B,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,UIY2PD2828E,UIYBCC4222A,UIY2PD2828F,UIYCA10AS6,UIY2PD2828G,UIYWC3842A,UIY2PD2828A,UIY16PD22393A,UIY2PD2828B,UIYBPF10069A,UIY2PD2828C,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,UIY4PD5060A,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,UI,COMMERCIAL APPLICATIONS,空间应用,MILITARY APPLICATIONS,SPACE APPLICATIONS,商业应用,军事应用
Reverse Power and How It Is Measured
2023-10-03 - 技术探讨 The reverse power is the sum of all the power output from the device to the capacitor plate or the inductor coil, including the effective power absorbed by the load and the reflected power not absorbed. The measurement of reverse power is an important part of network measurement. For RF signals, reflections occur when the impedances of two connected devices differ.
Introduction to RF Ferrite Circulator Isolator
2023-04-26 - 技术探讨 RF Circulators and Isolators are defined as RF Ferrite component, transfer RF signals by control of the ferrites. An RF signal experiences a low loss in the direction of arrow and high loss in reverse due to its non-reciprocal.
The Allocation of 1250mhz Frequency Band
2024-03-06 - 技术探讨 1250MHz is one of the popular bands in frequency allocation, benefiting from its capability of long signal transmission, low attenuation compared to the mmWave band, etc. In this article, UIY will introduce the allocation of the 1250mhz frequency band.
UIYCC2528A700T750SF 700 to 5000MHz – Coaxial Circulator
2019/03/01 - 数据手册 本资料介绍了多种型号的Coaxial Circulator（同轴环），适用于700MHz至5000MHz频率范围。这些器件具有高隔离度，可用于军事、太空和商业应用。资料提供了详细的RF特性表，包括插入损耗、隔离度、VSWR、正向功率、反向功率、连接器和温度范围等参数。
优译 - 700～0—同轴环行器,700 TO 5000MHZ – COAXIAL CIRCULATOR,UIYCC2528A1200T1400SF,UIYCC2528A925T960SF,UIYCC2528A3400T4200SF,UIYCC2528A700T750SF,UIYCC2528A2300T3000SF,UIYCC2528A2700T3100SF,UIYCC2528A1700T1900NFTNM,UIYCC2528A2400T2600SF,UIYCC2528A3000T3600SF,UIYCC2528A2600T3300SF,UIYCC2528A3500T4000SF,UIYCC2528A2500T2700NF,UIYCC2528A1700T2200SF,UIYCC2528A1900T2200NFTNM,UIYCC2528A2300T2500SF,UIYCC2528A2000T2500SF,UIYCC2528A2850T3300SF,UIYCC2528A4000T4600SF,UIYCC2528A869T894NF,UIYCC2528A2000T2700SF,UIYCC2528A4400T5000SF,UIYCC2528A1400T1600NF,MILITARY, SPACE AND COMMERCIAL APPLICATIONS,军事、空间和商业应用
UIYDMC87D14T15 14 to 18GHz – Dual Junction Microstrip Circulator Magnetic Shield
2019/03/01 - 数据手册 本资料介绍了14至18GHz双节微带环路的磁性屏蔽设计特性。该产品适用于军事、太空和商业应用，提供一年标准质保。资料提供了详细的RF特性表格，包括型号编号、频率范围、插入损耗、隔离度、VSWR最大值、正向功率、反向功率、连接器类型和工作温度等。
优译 - 14至18GHZ–双结微带环行器磁屏蔽,14 TO 18GHZ – DUAL JUNCTION MICROSTRIP CIRCULATOR MAGNETIC SHIELD,UIYDMC87D165T175,UIYDMC87D14T15,UIYDMC87D15T17,UIYDMC87D15T18,UIYDMC87D155T165,UIYDMC87D16T18,UIYDMC87D14T18,MILITARY, SPACE AND COMMERCIAL APPLICATIONS,军事、空间和商业应用
UIYDDC3819A 0.6至5.0GHz–循环器中的双结压降
2022/6/2 - 数据手册 本资料介绍了UIY公司生产的0.6至5.0GHz双结环器（Dual Junction Drop in Circulator），该产品具有高隔离度、高性能和超竞争价格等特点。资料提供了详细的RF特性表格，包括频率范围、插入损耗、隔离度、VSWR、正向功率、反向功率、连接器和温度范围等参数。
优译 - DUAL JUNCTION DROP IN CIRCULATOR,双结压降环行器,UIYDDC3819A1070T1210,UIYDDC3819A1450T1550,UIYDDC3819A2496T2690,UIYDDC3819A2000T2400,UIYDDC3819A2300T2500,UIYDDC3819A2400T2600,UIYDDC3819A2500T2700,UIYDDC3819A4200T4700,UIYDDC3819A2700T3500,UIYDDC3819A,UIYDDC3819A4400T5000,UIYDDC3819A860T960,UIYDDC3819A1200T1400,UIYDDC3819A2700T3100,UIYDDC3819A703T803,UIYDDC3819A1500T1700,UIYDDC3819A1920T1990,UIYDDC3819A3900T4200,UIYDDC3819A3300T3600,UIYDDC3819A3900T4500,UIYDDC3819A824T894,UIYDDC3819A3600T3800,UIYDDC3819A4400T4500,UIYDDC3819A617T698,UIYDDC3819A3500T4500,UIYDDC3819A925T960,UIYDDC3819A3150T3250,UIYDDC3819A1710T2170,UIYDDC3819A1250T1450,UIYDDC3819A1805T1880,UIYDDC3819A2110T2170
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可定制射频隔离器/环行器（10M-40GHz），双工器/三工器（30MHz/850MHz-20GHz），滤波器（DC-20GHz），功分器，同轴负载，同轴衰减器等射频器件；可定制频率覆盖DC~110GHz，功率最高20KW。
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整体外形尺寸小至0.6*0.3*0.3mm (DFN0603)，工作电压范围覆盖2.5V~36V，电容值低至0.2pF，浪涌能力最高可达240安培，静电等级可达空气放电、接触放电±30KV。提供免费浪涌测试仪、静电测试仪测试。
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