數(shù)電課設(shè)之簡易電子琴

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1、武漢理工大學(xué)《數(shù)字電子技術(shù)基礎(chǔ)》課程設(shè)計說明課程設(shè)計任務(wù)書學(xué)生姓名：辛威專業(yè)班級：電子1002班指導(dǎo)教師：韓屏工作單位：信息工程學(xué)院題目:簡易電子琴設(shè)計（數(shù)字）初始條件：可選元件：集成運算放大器LM324、電阻、電位器、電容若干，直流電源Vcc=+12V，或自備元器件?？捎脙x器：示波器，萬用表，直流穩(wěn)壓源，函數(shù)發(fā)生器要求完成的主要任務(wù):（包括課程設(shè)計工作量及其技術(shù)要求，以及說明書撰寫等具體要求）（1）設(shè)計任務(wù)根據(jù)已知條件，完成對簡易電子琴電路的設(shè)計、裝配與調(diào)試。（2）設(shè)計要求①設(shè)計一簡易電子琴電路，按下不同琴鍵即改變RC值，能發(fā)出C調(diào)的八個基本音階，采用運算放大器構(gòu)成振

2、蕩電路，用集成功放電路輸出。已知八個基本音階在C調(diào)時所對應(yīng)的頻率如下表所列C調(diào)1234567if/Hz264297330352396440495528②選擇電路方案，完成對確定方案電路的設(shè)計。計算電路元件參數(shù)并畫出總體電路原理圖，闡述基本原理。（選做：用PSPICE或EWB軟件完成仿真。）③安裝調(diào)試并按規(guī)定格式寫出課程設(shè)計報告書。時間安排：1.2012年12月31日分班集中，布置課程設(shè)計任務(wù)、選題；講解課設(shè)具體實施計劃與課程設(shè)計報格式的要求，課設(shè)答疑事項。2.2011年12月31日至2012年1月4日完成資料查閱、設(shè)計、制作與調(diào)試。3.2012年1月4日至2012年1月

3、5日完成課程設(shè)計報告撰寫。4.2012年7月5日提交課程設(shè)計報告，進(jìn)行課程設(shè)計驗收和答辯。指導(dǎo)教師簽名：年月日系主任（或責(zé)任教師）簽名：年月日19武漢理工大學(xué)《數(shù)字電子技術(shù)基礎(chǔ)》課程設(shè)計說明目錄1總體設(shè)計················································································31.1設(shè)計背景··········································································31.2設(shè)計任務(wù)和要求·············

4、······················································31.2.1設(shè)計任務(wù)······································································31.2.2設(shè)計要求······································································31.3設(shè)計思路··································································

5、·········42原理與器件選擇··········································································72.1電路圖············································································72.1.1主板電路·····································································72.1.2鍵盤電路························

6、············································72.1.3擴展電路····································································719武漢理工大學(xué)《數(shù)字電子技術(shù)基礎(chǔ)》課程設(shè)計說明2.2原理簡述·············································································72.3器件的選擇················································

7、···························82.3.1主板部分···································································82.3.2鍵盤部分····································································82.3.3擴展部分···································································83實物制作與輸出波形··