數(shù)電聲控?zé)粽n程設(shè)計(jì)

數(shù)字電子技術(shù)課程設(shè)計(jì)

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1

設(shè)計(jì)任務(wù)1：器件條件：聲音傳感器、555

定時(shí)器、繼電器、LED

2

目的與意義

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2.1

方案的形成和方案的比較2.2

具體框圖的原理解釋和器件考慮

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2.3

具體的理論相關(guān)依據(jù)（1）聲控原理:聲控電路是把聲音通過駐極話筒轉(zhuǎn)換為電信號(hào),利用放大電路將

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3.1

原理圖設(shè)計(jì)方法與具體過程PROTEL

原理圖：

3.2

原理圖的重點(diǎn)解釋和設(shè)計(jì)考慮

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Vo=0

R

Vo=0

R

Vi

Vo=0

R

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本部分重點(diǎn)是考慮本設(shè)計(jì)如何實(shí)現(xiàn)從原理圖到真正的硬件設(shè)計(jì)完成到實(shí)驗(yàn)調(diào)試的思路。4