高达400 MHz的扩展带宽宽带通信系统性能

Joseph P. Preschutti
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引用次数: 2

摘要

概述了一种使用混合IC放大器来确定和比较宽带CATV系统的覆盖范围的方法。给出了系统设计理论,并预测和比较了在上限频率300、320、350和400MHz下运行的系统以及分别承载35、38、43和51个电视频道的系统的后续性能数据。中继站性能用混合放大器规格和性能退化因子表示。给出了一般的设计方程,并根据这些方程确定了宽范围的主干间距和信道负载条件的相对性能。提出了350和400MHz系统的具体间距、级联和覆盖范围。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Extended Bandwidth Broadband Communications Systems Performance Up To 400 MHz
A method of determining and comparing reach of broadband CATV systems using hybrid IC amplifiers is outlined. System design theory is given, and subsequent performance data projected and compared for systems operating at upper limit frequencies of 300, 320, 350 and 400 MHz, and carrying 35, 38, 43 and 51 television channels, respectively. Trunk station performance is expressed in terms of hybrid amplifier specifications and performance degradation factors. General design equations are presented, and from these, relative performance of a broad range of trunk spacings and channel loading conditions are determined. Specific spacings, cascades and reach for 350 and 400 MHz systems are suggested.
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