高頻檢波器線性度的測(cè)量與設(shè)計(jì)
THE MEASUREMENT AND DESIGN OF THE LINEARITY OF A HIGH-FREQUENCY DETECTOR
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摘要: 正 一種常用的典型檢波器電路如圖1所示。該電路的電壓響應(yīng)特性曲線底部有彎曲見圖2。若用這種檢波器來檢測(cè)高頻脈沖信號(hào),有可能嚴(yán)重地影響測(cè)量脈沖包絡(luò)各參量的精度。圖3示出了輸入高頻信號(hào)為鐘形調(diào)制時(shí)的失真情況
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關(guān)鍵詞:
Abstract: The problems of non-linear voltage response of the high-frequency detector are analy-sed and discussed. And also, the methods of dynamical detecting of the linearity of a detector and the quantitative design of its linearity are presented. -
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