{"title":"相干225 GHz接收机","authors":"R. E. Forsythe","doi":"10.1109/ICSWA.1981.9335163","DOIUrl":null,"url":null,"abstract":"A receiver for use at 225 GHz has been designed and built. It uses a low noise, subharmonically pumped, balanced mixer that requires a local oscillator (LO) at only one fourth the signal frequency. The local oscillator is a commercially available 56 GHz phase locked Gunn oscillator with a 50 mW power output. Preliminary results indicate a 12 dB system noise figure (DSB).","PeriodicalId":254777,"journal":{"name":"1981 International Conference on Submillimeter Waves and Their Applications","volume":"552 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1981-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A Coherent 225 GHz Receiver\",\"authors\":\"R. E. Forsythe\",\"doi\":\"10.1109/ICSWA.1981.9335163\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A receiver for use at 225 GHz has been designed and built. It uses a low noise, subharmonically pumped, balanced mixer that requires a local oscillator (LO) at only one fourth the signal frequency. The local oscillator is a commercially available 56 GHz phase locked Gunn oscillator with a 50 mW power output. Preliminary results indicate a 12 dB system noise figure (DSB).\",\"PeriodicalId\":254777,\"journal\":{\"name\":\"1981 International Conference on Submillimeter Waves and Their Applications\",\"volume\":\"552 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1981-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1981 International Conference on Submillimeter Waves and Their Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICSWA.1981.9335163\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1981 International Conference on Submillimeter Waves and Their Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSWA.1981.9335163","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A receiver for use at 225 GHz has been designed and built. It uses a low noise, subharmonically pumped, balanced mixer that requires a local oscillator (LO) at only one fourth the signal frequency. The local oscillator is a commercially available 56 GHz phase locked Gunn oscillator with a 50 mW power output. Preliminary results indicate a 12 dB system noise figure (DSB).
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