Invention Grant
US09209957B2 Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches 有权
使用包括数字信道切换器的低噪声块转换器来选择数字内容信道的系统和方法

Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches
Abstract:
Systems and methods in accordance with embodiments of the invention include converting satellite signals to an intermediate frequency signal for content decoding, and selecting modulated digital data within the satellite signals for content decoding using digital signal processing. One embodiment includes a system configured to select at least one content channel from an input signal including a plurality of content channels modulated onto a carrier, the system including: a digital channelizer switch including: a high speed analog to digital converter configured to digitize the intermediate frequency signal; a digital channelizer configured to digitally tune a content channel from the digitized intermediate frequency signal; and a high speed digital to analog converter configured to generate an analog output signal using the content channel digitally tuned from the digitized intermediate frequency signal by the digital channelizer.
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