{"title":"集成滤波器/天线,效率高,带宽增加","authors":"Y. Yusuf, X. Gong","doi":"10.1109/WAMICON.2011.5872870","DOIUrl":null,"url":null,"abstract":"Two methods of integrating high-Q 3-D filters with antennas are presented to achieve very high efficiency and increased bandwidth. In one approach, a three-pole cavity filter is integrated with a slot antenna, which acts as an equivalent load of the filter. A total filter/antenna efficiency of 83% and an antenna efficiency of 98%, respectively, are achieved with a filter/antenna bandwidth of 4.8%. In the other approach, a two-pole cavity filter is integrated with a patch antenna, which adds an additional pole and forms a three-pole filter/antenna. A total filter/antenna efficiency of 91% is realized with a filter/antenna bandwidth of 8.5%. This novel filter/antenna integration technique also significantly reduces the form factor of the integrated RF front end. Prototype three-pole Chebyshev filter/antennas for both cases are demonstrated at X band. The measured impedance matching, efficiency, gain, and radiation pattern closely match simulation results.","PeriodicalId":253374,"journal":{"name":"WAMICON 2011 Conference Proceedings","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Integrated filter/antennas with high efficiency and increased bandwidth\",\"authors\":\"Y. Yusuf, X. Gong\",\"doi\":\"10.1109/WAMICON.2011.5872870\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Two methods of integrating high-Q 3-D filters with antennas are presented to achieve very high efficiency and increased bandwidth. In one approach, a three-pole cavity filter is integrated with a slot antenna, which acts as an equivalent load of the filter. A total filter/antenna efficiency of 83% and an antenna efficiency of 98%, respectively, are achieved with a filter/antenna bandwidth of 4.8%. In the other approach, a two-pole cavity filter is integrated with a patch antenna, which adds an additional pole and forms a three-pole filter/antenna. A total filter/antenna efficiency of 91% is realized with a filter/antenna bandwidth of 8.5%. This novel filter/antenna integration technique also significantly reduces the form factor of the integrated RF front end. Prototype three-pole Chebyshev filter/antennas for both cases are demonstrated at X band. The measured impedance matching, efficiency, gain, and radiation pattern closely match simulation results.\",\"PeriodicalId\":253374,\"journal\":{\"name\":\"WAMICON 2011 Conference Proceedings\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-04-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"WAMICON 2011 Conference Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/WAMICON.2011.5872870\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"WAMICON 2011 Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/WAMICON.2011.5872870","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Integrated filter/antennas with high efficiency and increased bandwidth
Two methods of integrating high-Q 3-D filters with antennas are presented to achieve very high efficiency and increased bandwidth. In one approach, a three-pole cavity filter is integrated with a slot antenna, which acts as an equivalent load of the filter. A total filter/antenna efficiency of 83% and an antenna efficiency of 98%, respectively, are achieved with a filter/antenna bandwidth of 4.8%. In the other approach, a two-pole cavity filter is integrated with a patch antenna, which adds an additional pole and forms a three-pole filter/antenna. A total filter/antenna efficiency of 91% is realized with a filter/antenna bandwidth of 8.5%. This novel filter/antenna integration technique also significantly reduces the form factor of the integrated RF front end. Prototype three-pole Chebyshev filter/antennas for both cases are demonstrated at X band. The measured impedance matching, efficiency, gain, and radiation pattern closely match simulation results.