【应用】Exxelia介质谐振器用于X波段雷达模块，易起振、可稳定调频
本文主要介绍EXXELIA的介质谐振器E21936D5.1F10525+/-100MHZ介质谐振器在X波段雷达模块上的应用，具有易起振，频率稳定可调，噪声低等特点，可保证产品稳定可靠工作。
由于雷达多普勒效应能检测到运动的物体，且X波段的雷达具有较低的成本和功耗，笔者的一位客户将X波段的雷达用于家居安防的入侵报警检测。当雷达波检测有人入侵时，就触发报警，并将报警信号传输到报警中心。为了避免误触发报警，设计时要考虑系统低噪声。X波段雷达模块的结构框图如图1所示，OSC选用的介质谐振器EXXELIA E21936D5.1F10525+/-100MHZ，产生10.525GHz信号，通过一发一收天线多普勒效应，然后混频产生一个中频信号，经放大器放大处理后供MCU处理。
图1 X波段微波模块结构框图
该雷达模块的介质谐振器选型时要特别注意中心频率的可调范围，材料和频率温度漂移以及Q值。EXXELIA E21936D5.1F10525+/-100MHZ介质谐振器的参数规格如图2所示，性能参数符合产品选型要求，高Q值，温度漂移小。
图2 相关参数规格
通过CST软件建立模型，对介质谐振器振荡进行仿真，介质谐振器和微带线的耦合网络模型如图3所示，其中黄色为并联耦合微带线；蓝色为介质谐振器；灰色为介质板；亮银为调谐螺丝。
图3 介质谐振器和微带线的耦合网络模型
通过仿真得到端口的S参数和谐振点的相位如图4所示，S11值将近-25，说明雷达发送能量在10.525GHz效率很高，S21在10.525GHz的值最大，说明在该频点能量传输能力强，10.525GHz处的相位波动很小，从仿真结果可以看出介质谐振器和微带线的耦合设计上电以后可以保持振荡器回路稳定。
图4 仿真得到的端口参数和谐振点相位图
PCB设计如图5所示，设计时注意介质谐振器的放置，应放在一个机械可调谐的位置，且不受其它结构或振动干扰的位置。
图5 PCB设计 和实物
通过实际制版测试，EXXELIA E21936D5.1F10525+/-100MHZ介质谐振器容易起振，通过机械调谐可以调节到10.525GHz，且在10.525GHz机械调谐范围内，具有较低的相位噪声，整个微波模块具有较低的噪声，在产品应用时可以可以可靠检测人入侵并且减少误报警。目前搭载该介质谐振器的微波模块已经大量生产。
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目录- FILTERS GENERAL INFORMATION MANUFACTURE AND INSPECTION CHART FILTERS PRODUCT LINES EMI-RFI FEED THROUGH FILTERS CASE FILTERS EMI & TEMPEST FILTER SIGNALS EMI & TEMPEST FILTERS ANCILLARY PROTECTIONS HEMP PROTECTIONS FILTER SIGNALS HEMP, LIGHTNING, TEMPEST, ANCILLARY PROTECTIONS HEMP STANDARD PROTECTIONS HEMP HIGH PERFORMANCE PROTECTIONS MULTILINE FILTERS PROTECTION CABINETS SPECIFIC FILTERS OFFICE TEMPEST ZONING CABINETS EMI-RFI-TEMPEST-HEMP EMI-RFI MINIATURE FILTERS
型号- CDP-8952-104,BBA,HDP SERIES,2 BL 7961 R,TDP-4100-PP,BBB,DFD,BDP-2400-PP-C,CDP-8952-102,CDP-8847-104,CDP-8952-103,CDP-8847-103,CDP-8847-102,HDP-2400-PP-L,BC-8812-100-MU,TDP-2125-PP,TDP-2400-PP,BDP-2400-PP-L,FC8701W,HDP-2400-PP-C,HDP-3125-PP,HDP-3400-PP,CDP-8936-104,CDP-8936-102,CDP-8936-103,V05-250,BCB,BC-9113-200-MU,BC-8814-300-PP,TYL-0144-2,BCM-2064-10,TYL-0144-4,SDX,MA****PP,PIF8959,FC8700W,BCM,TYT-0144-4,TYT-0144-2,FP100AW-W,BCM-2064-14,CDP SERIES,4 BV 8371-16,BC-9112-250-MU,HDP-2016-PP,BDP-3500-PP-L,BC-9113-200-PP,P10-48DC,4BV SERIES,BDP-3500-PP-C,BDP,HDP-3500-PP-L,EPIF30-10A-240AC,TDP-4032-PP,BC-8812-100-PP,HDP-3500-PP-C,FL100S-W,0144,FL25C-W,BC-9113-064-MU,BC-8812-800-MU,BEB,TDP-2400-PP-L,BEC,BC-8812-032-MU,PY2-090,TDP-2400-PP-C,FL50C-W,PIF8938,EPIF45-05A-48DC,BDP-3032-PP,TDP-4800-PP,FC8637W,BDP-3100-PP,BCM-4100,BC-8814-300-MU,3 BV 8368-50-B,HDP-3250-PP,TDP-2250-PP,EF45-10A-250DC,FC8392W,CDP-8848-103,HDP-2600-PP,CDP-8848-102,TDP-3500-PP-C,CDP-8848-104,EA,3 BV **** B,EB,EC,TDP-3500-PP-L,ED,EE,BCM-2064-50,PIFT,BC-9024-032-**,BCM-2064-54,FC8391W,BC-9113-064-PP,TIFT-0512-223,4 BV 8371-50,BC-8812-032-PP,FL125C-W,BCM-2064-20,BCM-4125,FC8703W,FC8281W,TYM-0005-2,BCM-2064-24,4 BV 8371-25,BDP-2500-••,BC-9113-300-PP,TDP-4122-PP,EPIF30-05A-28DC,BC-9112-016-PP,BC-9032-032-**,FC8702W,P10-90AC,4 BV 8371-36,FC8280W,BC-9112,BC-9113,BC-9114,BCM-2100-20,EF30-05A-240AC,BDP-4122-PP-C,BCM-2100-24,BC-8814-125-PP,BC-9114-016-PP,BDP-4122-PP-L,BDP-2064-PP,FC8396W,BDP-4010-PP,TDP-4200-PP,BC-9113-100-MU,PIF****,BDP-2102-PP-L,BCM-2100-10,FL100CV-W,BDP-3400-••,BC-8812-200-MU,FP5AW-W,TYL-0512-4,TYL-0512-2,BDP-2102-PP-C,PIF8313,9331 A,E TIF SERIES,FC8395W,BCM-2100-14,7797W,TIFT-0512-423,MAX,BDP-3800-PP-L,FL200S-W,BDP-3010-PP,FP10AV-W,BDP-2400-••,EFT-2048-4,FC8394W,EC - - - - PP,TDP-4600-PP-L,BC-8814-064-MU,EF30-05A-28DC,EF30-05A-90AC,TDP-4600-PP-C,BC-9114-600-PP,FC8706W,MC - - - - PP,SD SERIES,FP125AV-W,HDP-4600-PP-C,FP25AW-W,TDP-3200-PP,BDP-3800-PP-C,BC-9112-125-PP,HDP-4600-PP-L,FC8393W,FC8260W,FL5S-W,BC-9113-300-MU,BCM-4016-50,BCM-4016-54,MA****MU,FC9179W,BC-9112-250-PP,CDP-8846-103,CDP-8846-102,FC SERIES,BC-9014-125-**,CDP-8846-104,BC-8814-064-PP,BDP-4800-PP-C,MA,MB,MD,BCM-4016-20,BC-9032-064-**,ME,EF30-05A-70AC,BCM-4016-24,BDP-4100-PP,BDP-4800-PP-L,FL200CV-W,BC-9113-800-MU,EPIF30-05A-48DC,FL3S-W,HDP-4200-PP,EPIF30-05A-90DC,BC-8814-125-MU,BC-9113-100-PP,BDP-2125-PP,BDP-3122-PP-L,CDP-8925-102,CDP-8925-103,BC-9114-600-MU,CDP-8925-104,BDP-3122-PP-C,EPIF45-05A-250DC,FP32AW-W,HDP-2400-PP,BC-9022-016-**,MC - - - - MU,PIF30-05A-48DC,BC-9042-125-**,BC-9032-100-**,BC-9044-016-**,BC-9114-016-MU,7841W,BC-9112-125-MU,BDP-2300-PP,BC-8812 SERIES,FL50SV-W,TDP-3400-PP,EC - - - - MU,BDP-3064-PP,BDP-3102-PP-C,PIF30-05A-90DC,BCM-4016-10,7840W,BDP-3102-PP-L,BCM-4016-14,BC-8812-200-PP,BDP-3300-PP,TDP SERIES,BDP-2032-PP,TYT-0019-2,BDP-2250-PP,TYT-0019-4,FL32S-W,BC-8814-100-MU,SD - - - - MU,FC8574W,V10-150,FP16AL-W,PIF30-05-70AC,BC-9114-032-MU,TYL-0019-2,HDP-4800-PP,HDP-3016-PP,TYL-0019-4,FL10CV-W,BDP-2100-PP,TDP-3032-PP,CDP-8908-103,CDP-8908-104,HDP-3200-PP,BCM-4100-24,BC-9022-125-**,FC8355W,2 BL 7968 R,SD - - - - PP,CDP-8851-104,CDP-8851-103,PY4-230,CDP-8851-102,SD,MA SERIES,BC-9042-016-**,BC-9044-125-**,TDP-3122-PP-L,BC-9034-100-**,TDP-3010-PP,BCM-4100-20,HDP-4250-PP,PIF30-05-100DC,TDP-2600-PP,BCM-4100-14,BDP-2010-PP,TDP-3122-PP-C,BC-9114-064-PP,HDP-4400-PP,BC-9113-800-PP,TIF SERIES,BCM-4100-10,HDP-4100-PP,TYM-ADSL-2,BC-9012-016-**,EFT-0019-2,EFT-0019-4,EPIF45-05A-240AC,TYM-ADSL-4,OPT,TDP-4600-PP,MB - - - - MU,BCM-2100-50,PIF30-05-90AC,BDP-2600-••,HDP-3800-PP-C,TIFT-2048-423,HDP-4500-PP,EFM-0019-4,HDP-3800-PP-L,TIFT-2048-422,BDP-4032-PP,BC-8814-250-PP,FL10S-W,EFM-0019-2,CDP-8850-102,CDP-8850-104,CDP-8850-103,BDP-4016-PP,9204,PIF30-05-240AC,BC-8814-100-PP,BC-8812-016-MU,PIF8436A,PIF8436B,100T4,BC-9114-064-MU,BC-8814-800-MU,OPT SERIES,7796W,8369,TIFM-0019-213,HDP-4400-PP-C,BC-8814-250-MU,BDP-3016-PP,HDP-4400-PP-L,7795W,EB - - - - MU,BCM-4100-50,HDP-4122-PP-L,FC8995W,PY4-090,HDP-3500-PP,BC-8814-400-PP,HDP-2500-PP-L,HDP-3122-PP,P10-28DC,FL100SV-W,BC-9114-125-PP,HDP-2100-PP,BC-8812-016-PP,AAA SERIES,HDP-4122-PP-C,BDP-3600-••,BC-8814-016-PP,HDP-2500-PP-C,TDP-3064-PP,GEC,BC-9044-032-**,FC8994W,GEE,GED,5 R,HDP-2102-PP-L,PY2-230,TIFT-2048-222,HDP-2250-PP,TIFT-2048-223,TIFT-0144-423,HDP-2102-PP-C,EAX,TDP-4125-PP,GFD,GFC,BC-9112-016-MU,BDP-3400-PP-L,GFE,FL32SV-W,BDP-3400-PP-C,BC-9012-100-**,2 BL 7964 R,HDP-4122-PP,HDP-3100-PP,FP16AW-W,BC-9114-125-MU,BC-9024-064-**,BC-9113 SERIES,TYM-0144-2,TDP-2300-PP,HDP-2800-PP,TIFM-0019-413,GGD,TYM-0144-4,TDP-2064-PP,BC-9112-400-PP,BDP-4600-••,TY SERIES,MAX SERIES,TDP-4010-PP,EPIF45-05A-100DC,HDP-2500-PP,GHD,TDP-3300-PP,EDC,GHE,BCM-2125,4BV,TDP-2032-PP,BC-8812-250-PP,FC8757W,BC-9114-032-PP,BDP-4500-PP-C,BDP-4500-PP-L,FP50AV-W,FP200AW-W,FL200SV-W,ME - - - - MU,BC-9022-032-**,BC-8814-400-MU,P05-240AC,TDP-3102-PP-C,9159-4W,P10-70AC,BC-8814-016-MU,TIFT-0144-223,TDP-3102-PP-L,BC-9014-016-**,HDP-4102-PP,CBB,TDP-4064-PP,BCM-2100,E
WHAT ABOUT EXXELIA'S HIGH TEMPERATURE CAPACITORS?
Exxelia has a long history providing high temperature capacitors to various industries. Several dielectrics, such as plastic (PTFE; PI; & PEI), reconstituted mica, aluminum electrolytic, tantalum and ceramic are used for manufacturing high temperature capacitors. Many are impregnated with solid thermo-setting resins such as epoxy, polyester or silicone. These technologies provide very high stability of mechanical and electrical characteristics with temperature capabilities of -55°C to as high as +230°C, depending on the dielectric technology, and some do not require voltage de-rating. Rated voltages span from 30 VDC to as high as 60,000 VDC with capacitance ranges 100pF to 30µF.
技术问答 发布时间 : 2024-08-30
电子商城
服务
可定制变压器支持60W-600W范围，额定电流最高10A，漏感稳定度最小3%；支持开关变压器、电流感测变压器、栅极驱动变压器、LLC谐振变压器、PoE变压器等产品定制。SPQ为5K。
提交需求>
可定制电感可承受4.5KV高压，可适配于30MHz高频应用；支持平共模电感、谐振电感、PFC电感、大电流直流电感等产品电压/频率等参数性能定制；通过AECQ-200认证。
最小起订量： 100000 提交需求>
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