{"title":"用于单兵便携式卫星终端的MCXO","authors":"B. Rose, E. Jackson, L. Kushner","doi":"10.1109/FREQ.1996.559955","DOIUrl":null,"url":null,"abstract":"A miniature low power oscillator has been developed to meet the frequency and timing requirements of a man-portable satellite terminal. Based on the existing Q-Tech MCXO (microprocessor controlled crystal oscillator), the QT2001, which has been extensively discussed in previous papers, provides a frequency-temperature accuracy of +/- 3E-8. Features added in this development effort include outputs at 200 MHz, 100 MHz, and 50 MHz, reduced output spectrum spurious frequency levels to -70 dBC @ 200 MHz, a real-time clock with RS232 interface, and a 5 mW time keeping 'Watch' mode.","PeriodicalId":140391,"journal":{"name":"Proceedings of 1996 IEEE International Frequency Control Symposium","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1996-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"An MCXO for a man-portable satellite terminal\",\"authors\":\"B. Rose, E. Jackson, L. Kushner\",\"doi\":\"10.1109/FREQ.1996.559955\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A miniature low power oscillator has been developed to meet the frequency and timing requirements of a man-portable satellite terminal. Based on the existing Q-Tech MCXO (microprocessor controlled crystal oscillator), the QT2001, which has been extensively discussed in previous papers, provides a frequency-temperature accuracy of +/- 3E-8. Features added in this development effort include outputs at 200 MHz, 100 MHz, and 50 MHz, reduced output spectrum spurious frequency levels to -70 dBC @ 200 MHz, a real-time clock with RS232 interface, and a 5 mW time keeping 'Watch' mode.\",\"PeriodicalId\":140391,\"journal\":{\"name\":\"Proceedings of 1996 IEEE International Frequency Control Symposium\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1996-06-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 1996 IEEE International Frequency Control Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/FREQ.1996.559955\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1996 IEEE International Frequency Control Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FREQ.1996.559955","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A miniature low power oscillator has been developed to meet the frequency and timing requirements of a man-portable satellite terminal. Based on the existing Q-Tech MCXO (microprocessor controlled crystal oscillator), the QT2001, which has been extensively discussed in previous papers, provides a frequency-temperature accuracy of +/- 3E-8. Features added in this development effort include outputs at 200 MHz, 100 MHz, and 50 MHz, reduced output spectrum spurious frequency levels to -70 dBC @ 200 MHz, a real-time clock with RS232 interface, and a 5 mW time keeping 'Watch' mode.
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