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DIGITAL TELEVISION RECEIVER WITH ANALOG-TO-DIGITAL CONVERTER HAVING TIME MLTIPLEXED GAIN
DIGITAL TELEVISION RECEIVER WITH ANALOG-TO-DIGITAL CONVERTER HAVING TIME MLTIPLEXED GAIN
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机译:具有时间复用功能的带模拟-数字转换器的数字电视接收器
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摘要
A digital television receiver includes an analog-to-digital converter having a controllable scaling factor and offset. To improve resolution of the digital samples, the scaling factor is increased and the offset is changed when the synchronizing and color reference burst portions of the composite video signal are being converted. In addition, the scaling can be greatly increased at selected times so that the phase of the color reference burst can be more accurately determined.
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