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電子線路課程設(shè)計(jì)--簡(jiǎn)易的函數(shù)發(fā)生器-文庫(kù)吧

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【正文】 Title. Key words: The wien bridge, Oscillation frequency, LM741CN, JFET 目錄 1. 系統(tǒng)方案選擇和論證 .................................................................................................... 1 系統(tǒng)基本方案 ..................................................................................................... 1 正弦波振蕩電路的選擇與論證 ................................................................... 1 穩(wěn)幅控制的選擇與論 ................................................................................. 1 運(yùn)算放大器的選擇 ..................................................................................... 2 最終的方案選擇 ........................................................................................ 2 2. 主要電路設(shè)計(jì) .............................................................................................................. 3 文氏電橋振蕩電路的設(shè)計(jì)與主要特性 .................................................................. 3 RC 選頻網(wǎng)絡(luò) 及其特性 ................................................................................ 3 集成運(yùn)放電路 ............................................................................................ 5 分立電路 ................................................................................................... 6 RC 文氏橋振蕩電路的穩(wěn)幅過(guò)程 ............................................................................ 7 熱敏電阻的穩(wěn)幅過(guò)程 ................................................................................. 7 JFET 的穩(wěn)幅過(guò)程 ........................................................................................ 7 振蕩頻率和輸出幅度的計(jì)算 ................................................................................ 8 心得體會(huì) .......................................................................................................................... 9 參考文獻(xiàn): .................................................................................................................... 10 附表:元件清單 ............................................................................................................. 10 附圖 Ⅰ ...........
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