C. Magri Cabreira, C. Finardi, A. Marini de Almeida
{"title":"用于时钟恢复系统的174.08 MHz SAW滤波器","authors":"C. Magri Cabreira, C. Finardi, A. Marini de Almeida","doi":"10.1109/SBMO.1993.589359","DOIUrl":null,"url":null,"abstract":"A 174.08 MHz Surface Acoustic Wave ( SAW ) filter applied on clock recovery units for SONET systems is described. A SAW narrow *bandpass filter with 2.26 pm linewidth interdigital transducer and double electrode geometry was fabricated by contact printing. The metal structure was defined using 0.2 pm metallized by Magnetron on ST-quartz substrate. The main features obtained were: center frequency 174.08 MHz; insertion loss 15 dB; sidelobes suppression above 23 db with respect to the bandpass and 3 db bandwidth 695 KHz. This development demonstrates that quartz SAW filters can be made with precise design, conventional fabrication techniques , good reproducibility and high performance.","PeriodicalId":219944,"journal":{"name":"SBMO International Microwave Conference/Brazil,","volume":"399 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A 174.08 MHz SAW Filter For Clock Recovery Systems\",\"authors\":\"C. Magri Cabreira, C. Finardi, A. Marini de Almeida\",\"doi\":\"10.1109/SBMO.1993.589359\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A 174.08 MHz Surface Acoustic Wave ( SAW ) filter applied on clock recovery units for SONET systems is described. A SAW narrow *bandpass filter with 2.26 pm linewidth interdigital transducer and double electrode geometry was fabricated by contact printing. The metal structure was defined using 0.2 pm metallized by Magnetron on ST-quartz substrate. The main features obtained were: center frequency 174.08 MHz; insertion loss 15 dB; sidelobes suppression above 23 db with respect to the bandpass and 3 db bandwidth 695 KHz. This development demonstrates that quartz SAW filters can be made with precise design, conventional fabrication techniques , good reproducibility and high performance.\",\"PeriodicalId\":219944,\"journal\":{\"name\":\"SBMO International Microwave Conference/Brazil,\",\"volume\":\"399 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-08-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"SBMO International Microwave Conference/Brazil,\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SBMO.1993.589359\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"SBMO International Microwave Conference/Brazil,","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SBMO.1993.589359","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 174.08 MHz SAW Filter For Clock Recovery Systems
A 174.08 MHz Surface Acoustic Wave ( SAW ) filter applied on clock recovery units for SONET systems is described. A SAW narrow *bandpass filter with 2.26 pm linewidth interdigital transducer and double electrode geometry was fabricated by contact printing. The metal structure was defined using 0.2 pm metallized by Magnetron on ST-quartz substrate. The main features obtained were: center frequency 174.08 MHz; insertion loss 15 dB; sidelobes suppression above 23 db with respect to the bandpass and 3 db bandwidth 695 KHz. This development demonstrates that quartz SAW filters can be made with precise design, conventional fabrication techniques , good reproducibility and high performance.
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