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Please use this identifier to cite or link to this item: http://ir.hust.edu.tw/dspace/handle/310993100/598

Title: 具漏電流補償之電壓峰值檢知器 PEAK VOLTAGE DETECTOR WITH LEAKAGE CURRENT COMPENSATION
Authors: 蕭明椿
Contributors: 修平技術學院
Date: 2005-09-21
Issue Date: 2008-11-06T08:23:43Z
Abstract: 本創作提出一種新穎架構之電壓峰值檢知器,其係由一差動放大器1、一充電電晶體2以及一電容器C所組成,其中,該差動放大器1係以非對稱式結構來設計,亦即僅使用單邊之電晶體負載,且該電晶體負載與該充電電晶體共同構成一電流鏡。該差動放大器1係做為比較器使用,該充電電晶體2係做為充電器使用,用以提供電容器C所需之充電電流,且該差動放大器1之兩輸入端係分別接受輸入電壓信號及電壓峰值檢知器之輸出電壓回授信號,並提供適當之充電電流給充電電晶體,以便取得輸入電壓波形之峰值做為輸出電壓信號。本創作所提出之電壓峰值檢知器,不但能精確地檢測出輸入信號之峰值電壓,並且兼具電路結構簡單、佔用的晶片面積小以及有利於裝置之小型化等多重功效,同時亦可有效補償漏電流。
Appears in Collections:[Department of Electrical Engineering & Graduate Institute] Patents

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