{"title":"用于对话视频电话调制解调器的CMOS模拟前端","authors":"C. Solomon, L. Ozcolak, G. Sellani, W. E. Brisco","doi":"10.1109/CICC.1989.56706","DOIUrl":null,"url":null,"abstract":"A description is given of an analog front-end chip relating to a video phone for transmission of audio signals and freeze-frame video images over voice-grade telephone lines. The device is implemented in a 3-μm CMOS process, utilizes switched-capacitor circuit technology and contains major functional blocks, such as a synchronous demodulator, transmit/receive filters, baseband and interpolating filters, an 8-bit digital-to-analog converter, a programmable gain amplifier, and clock and carrier recovery circuits. The chip occupies 27000 mil2 and dissipates 100 mW. System and circuit aspects of the design are discussed","PeriodicalId":165054,"journal":{"name":"1989 Proceedings of the IEEE Custom Integrated Circuits Conference","volume":"104 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1989-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"CMOS analog front-end for conversational video phone modem\",\"authors\":\"C. Solomon, L. Ozcolak, G. Sellani, W. E. Brisco\",\"doi\":\"10.1109/CICC.1989.56706\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A description is given of an analog front-end chip relating to a video phone for transmission of audio signals and freeze-frame video images over voice-grade telephone lines. The device is implemented in a 3-μm CMOS process, utilizes switched-capacitor circuit technology and contains major functional blocks, such as a synchronous demodulator, transmit/receive filters, baseband and interpolating filters, an 8-bit digital-to-analog converter, a programmable gain amplifier, and clock and carrier recovery circuits. The chip occupies 27000 mil2 and dissipates 100 mW. System and circuit aspects of the design are discussed\",\"PeriodicalId\":165054,\"journal\":{\"name\":\"1989 Proceedings of the IEEE Custom Integrated Circuits Conference\",\"volume\":\"104 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-05-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1989 Proceedings of the IEEE Custom Integrated Circuits Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CICC.1989.56706\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1989 Proceedings of the IEEE Custom Integrated Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CICC.1989.56706","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
CMOS analog front-end for conversational video phone modem
A description is given of an analog front-end chip relating to a video phone for transmission of audio signals and freeze-frame video images over voice-grade telephone lines. The device is implemented in a 3-μm CMOS process, utilizes switched-capacitor circuit technology and contains major functional blocks, such as a synchronous demodulator, transmit/receive filters, baseband and interpolating filters, an 8-bit digital-to-analog converter, a programmable gain amplifier, and clock and carrier recovery circuits. The chip occupies 27000 mil2 and dissipates 100 mW. System and circuit aspects of the design are discussed
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