The L5 Coaxial‐Carrier Transmission System is the first long‐haul, high‐capacity transmission system for which the design was strongly influenced by extensive application of computer‐aided design (cad) techniques. A tight time schedule required a parallel effort of (i) improving and using the somewhat limited capabilities of existing cad programs and (ii) developing new programs having increased capability and efficiency. Similar development of computer‐controlled measurement techniques provided necessary device and component characterization and subsystem evaluation. The result is a powerful group of tools that are independently important, but whose combined use helped make possible the timely completion of the L5 system design. These tools, now “proved in,” will profoundly influence the next system design philosophy.
The design of linear circuits requires the designer to consi ment tolerances, distributions and correlations and how the with proposed manufacturing test limits and service condit as temperature and aging. Analytical methods can be used in number of cases; simulation methods using large modem co permit study of more complex design problems. The principa of this paper are the designer's needs for compnUational assi the ways in which computer programs may be organized these needs. Two computer programs for this -purpose are d One is a general-purpose analysis program for large networ any topology. The other is a more specialized program suit "biquad" networks which may be used as building blocks variety of filter and equalizer networks.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.