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Maxim >
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[无线与射频(RF)]
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关键词: max3540, atsc, a/74, 8vsb, 8-vsb, dtv, 数字电视, 阻塞, dur, d/u, sfq, 噪声, 干扰
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相关型号
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APP 3946: Apr 23, 2007
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| 应用笔记3946
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ATSC 8-VSB阻塞测量系统
摘要：这篇文档介绍了一种测量ATSC 8-VSB接收机阻塞性能的方案，这种方案可以克服Rohde & Schwarz SFQ电视测试发射机的带外噪声限制。该方案采用44MHz声表滤波器进行近载波滤波，混频产生所需的固定RF频率，同时用一个空腔带通滤波器滤除远端载波的噪声。文中还讨论了ATSC A/74标准的阻塞要求，SFQ的带外噪声会出现在两级滤波之前和之后。
This document is written for a highly specific application and contains information about proprietary technology, and is only available to customers whose requirements closely match the application. To request the full document, please complete the form below. If your request is approved, you will receive a response within two business days.
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