{"title":"CATTS的性能和电路特性","authors":"J. Eshbach, S. Yu, W. Cady, N. T. Lavoo","doi":"10.1109/EUMA.1978.332519","DOIUrl":null,"url":null,"abstract":"New results in the 3-5 GHz region, obtained on CATT cells designed for improved efficiency as microwave power amplifiers, are reported. At 3.0 GHz collector efficiencies of 39% have been measured with 12 dB gain and 1.4 watts peak output power per cell. At 5.0 GHz the results are: 2l% efficiency, 6 dB gain and 0.9 watts output. The improved performance is due to reduced collector-base capacitance and increased emitter periphery using a self-registered emitter-base metallization approach. Operating characteristics of CATTS are discussed and compared with normal bipolar transistors.","PeriodicalId":429268,"journal":{"name":"1978 8th European Microwave Conference","volume":"44 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1978-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Performance and Circuit Charasteristics of CATTS\",\"authors\":\"J. Eshbach, S. Yu, W. Cady, N. T. Lavoo\",\"doi\":\"10.1109/EUMA.1978.332519\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"New results in the 3-5 GHz region, obtained on CATT cells designed for improved efficiency as microwave power amplifiers, are reported. At 3.0 GHz collector efficiencies of 39% have been measured with 12 dB gain and 1.4 watts peak output power per cell. At 5.0 GHz the results are: 2l% efficiency, 6 dB gain and 0.9 watts output. The improved performance is due to reduced collector-base capacitance and increased emitter periphery using a self-registered emitter-base metallization approach. Operating characteristics of CATTS are discussed and compared with normal bipolar transistors.\",\"PeriodicalId\":429268,\"journal\":{\"name\":\"1978 8th European Microwave Conference\",\"volume\":\"44 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1978-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1978 8th European Microwave Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EUMA.1978.332519\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1978 8th European Microwave Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EUMA.1978.332519","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
New results in the 3-5 GHz region, obtained on CATT cells designed for improved efficiency as microwave power amplifiers, are reported. At 3.0 GHz collector efficiencies of 39% have been measured with 12 dB gain and 1.4 watts peak output power per cell. At 5.0 GHz the results are: 2l% efficiency, 6 dB gain and 0.9 watts output. The improved performance is due to reduced collector-base capacitance and increased emitter periphery using a self-registered emitter-base metallization approach. Operating characteristics of CATTS are discussed and compared with normal bipolar transistors.
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