Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285764
Richard G. Covell
With today's high cost of energy and the need to conserve a dwindling supply of fossil fuels, the CATV operator must be knowledgeable in the ways he can design his system for economical powering.
{"title":"The Economics of System Powering","authors":"Richard G. Covell","doi":"10.1109/TCATV.1978.285764","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285764","url":null,"abstract":"With today's high cost of energy and the need to conserve a dwindling supply of fossil fuels, the CATV operator must be knowledgeable in the ways he can design his system for economical powering.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"88-92"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285764","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285761
{"title":"IEEE Rules no More CATV Transactions","authors":"","doi":"10.1109/TCATV.1978.285761","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285761","url":null,"abstract":"","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"81-82"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285761","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285760
Provides a listing of current staff, committee members and society officers.
提供现有工作人员、委员会成员和社会官员的名单。
{"title":"IEEE Broadcast, Cable and Consumer Electronics Society","authors":"","doi":"10.1109/TCATV.1978.285760","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285760","url":null,"abstract":"Provides a listing of current staff, committee members and society officers.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"c2-128a"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285760","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285765
Warren L. Braun
The CATV industry has long needed a reliable and reproducible technique for evaluating the shielding effectiveness of CATV apparatus. The author will des cribe an operational system capable of swept frequency integrity measurements in excess of 150 dB, over a frequency range of 5-300 MHz, which technique does not require a screen room. Results of data obtained will be presented.
{"title":"A Reliable and Reproducible Technique for Evaluating the Shielding Effectiveness of CATV Apparatus","authors":"Warren L. Braun","doi":"10.1109/TCATV.1978.285765","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285765","url":null,"abstract":"The CATV industry has long needed a reliable and reproducible technique for evaluating the shielding effectiveness of CATV apparatus. The author will des cribe an operational system capable of swept frequency integrity measurements in excess of 150 dB, over a frequency range of 5-300 MHz, which technique does not require a screen room. Results of data obtained will be presented.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"93-99"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285765","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285768
Donald G. Monteith
Design considerations associated with the implementation of an optical fibre link for use in the CATV network are described.
描述了与CATV网络中使用的光纤链路的实现相关联的设计考虑。
{"title":"Design of A Digital Fibre Optic CATV Link","authors":"Donald G. Monteith","doi":"10.1109/TCATV.1978.285768","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285768","url":null,"abstract":"Design considerations associated with the implementation of an optical fibre link for use in the CATV network are described.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"120-126"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285768","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285767
D. W. Halayko;R. W. Huck
The launch of the joint Canada/U. S. CTS/Hermes satellite on January 17, 1976 made available an experimental satellite designed to operate at effective isotropic radiated power levels at least 10 times greater than those of previous communications satellites. Using Hermes, the concept of broadcasting television by satellite directly to small inexpensive ground terminals has been demonstrated to be technically feasible.
{"title":"Small Television Receive-Only 12 GHz Ground Terminals","authors":"D. W. Halayko;R. W. Huck","doi":"10.1109/TCATV.1978.285767","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285767","url":null,"abstract":"The launch of the joint Canada/U. S. CTS/Hermes satellite on January 17, 1976 made available an experimental satellite designed to operate at effective isotropic radiated power levels at least 10 times greater than those of previous communications satellites. Using Hermes, the concept of broadcasting television by satellite directly to small inexpensive ground terminals has been demonstrated to be technically feasible.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"112-119"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285767","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285762
{"title":"The Articles in this Issue are all Reprints","authors":"","doi":"10.1109/TCATV.1978.285762","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285762","url":null,"abstract":"","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"83-83"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285762","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-07-01DOI: 10.1109/TCATV.1978.285766
Donald Kirk
A multiplex system is described in which sequential segments of two video signals are time compressed and interleaved in analog form for transmission over a satellite transponder. Channel information rate and S/N are considered. The Time Compression Multiplex approach is extended to data plus video and two way video cases. A signal enhancement system for S/N improvement is proposed.
{"title":"A Time Compression Multiplex System for Multiple Video and Data Distribution Using Existing Satellite Channels","authors":"Donald Kirk","doi":"10.1109/TCATV.1978.285766","DOIUrl":"https://doi.org/10.1109/TCATV.1978.285766","url":null,"abstract":"A multiplex system is described in which sequential segments of two video signals are time compressed and interleaved in analog form for transmission over a satellite transponder. Channel information rate and S/N are considered. The Time Compression Multiplex approach is extended to data plus video and two way video cases. A signal enhancement system for S/N improvement is proposed.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"CATV-3 3","pages":"100-111"},"PeriodicalIF":0.0,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/TCATV.1978.285766","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68026235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Optical-fiber technology provides a new medium for the transmission of video signals. Some of the advantages which optical fibers have over coaxial cables are: wide bandwidth without the need for equalization; freedom from RFI, crosstalk and loop problems; low attenuation; and small size and low weight. In this paper, an analog optical-fiber link was evaluated for the transmission of baseband video signals over a single fiber. It was found that studio-quality signal-to-noise ratios could be obtained for links up to 2.2 km in length if an optical fiber having an attenuation of 5 dB/km were used. Linear video distortion and nonlinear video distortion measurements were made and compared with commercial-network single-hop relay standards. All of the distortion figures were within the standards except for a slightly low chrominance/luminance gain ratio. This distortion could be corrected by modifying the optical receiver electronics. Differential gain and phase distortions were found to increase linearly with the modulation factor of the optical transmitter's light-emitting diode, but were within network standards when the factor was 0.5 or less.
{"title":"Optical-Fiber Video Transmission Using Analog Baseband Modulation","authors":"A. Tenne-Sens, D. Johnson","doi":"10.5594/J10543","DOIUrl":"https://doi.org/10.5594/J10543","url":null,"abstract":"Optical-fiber technology provides a new medium for the transmission of video signals. Some of the advantages which optical fibers have over coaxial cables are: wide bandwidth without the need for equalization; freedom from RFI, crosstalk and loop problems; low attenuation; and small size and low weight. In this paper, an analog optical-fiber link was evaluated for the transmission of baseband video signals over a single fiber. It was found that studio-quality signal-to-noise ratios could be obtained for links up to 2.2 km in length if an optical fiber having an attenuation of 5 dB/km were used. Linear video distortion and nonlinear video distortion measurements were made and compared with commercial-network single-hop relay standards. All of the distortion figures were within the standards except for a slightly low chrominance/luminance gain ratio. This distortion could be corrected by modifying the optical receiver electronics. Differential gain and phase distortions were found to increase linearly with the modulation factor of the optical transmitter's light-emitting diode, but were within network standards when the factor was 0.5 or less.","PeriodicalId":100638,"journal":{"name":"IEEE Transactions on Cable Television","volume":"52 1","pages":"145-149"},"PeriodicalIF":0.0,"publicationDate":"1978-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82318778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：