Calculation And Balance Technique For A Smaller Dedicated Return Line (1979)
By Bert L. Henscheid Theta-Com CATV
Many systems are using or considering using a return signal path on at least a part of their normal cable system. This paper presents some of the calculations and balance techniques which may be used in setting up a smaller, dedicated line. It does not include the complex task of balancing a large fully implemented two-way system.
Techniques presented include the use of one carrier, two carriers, and sweep methods. Discussions on thermal compensation includes pilot carrier AGC and thermal equalizers. Some comments on data transmission will also be made.
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