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1、超外差式收音機(jī)課程設(shè)計(jì)院系：信息工程學(xué)院專業(yè)：電子信息工程班級(jí)：姓名：學(xué)號(hào)：院長(zhǎng)：指導(dǎo)老師：實(shí)驗(yàn)地點(diǎn)：實(shí)驗(yàn)時(shí)間：18目錄.....................................................................1概述.....................................................................3第一章、課程設(shè)計(jì)內(nèi)容....................................................71.1設(shè)計(jì)題目................
2、.............................................71.2設(shè)計(jì)目的.............................................................71.3設(shè)計(jì)要求.............................................................71.4電子元器件...........................................................7第二章、超外差式調(diào)幅收音機(jī)的原理及電路圖................
3、.................92.1超外差式調(diào)幅收音機(jī)電路原理圖..........................................92.2超外差式調(diào)幅收音機(jī)的工作原理分析......................................92.2.1輸入調(diào)諧電路.......................................................92.2.2變頻電路...........................................................92.2.3中頻放大電路.....
4、.................................................102.2.4檢波和自動(dòng)增益控制電路............................................102.2.5前置低放電路......................................................102.2.6功率放大器(OTL電路)...............................................11第三章、超外差式調(diào)幅收音機(jī)的設(shè)計(jì)..........................
5、...............123.1元器件的安裝........................................................123.1.1安裝工藝具體要求...................................................123.2電路板的焊接.........................................................123.2.1焊接注意事項(xiàng)......................................................123.2
6、.2焊接方法..........................................................133.2.3焊接時(shí)容易發(fā)生的錯(cuò)誤..............................................13第四章、單元模塊的調(diào)試調(diào)及試聽...........................................144.1超外差式收音機(jī)的調(diào)試.................................................144.1.1調(diào)整各級(jí)晶體三極管的靜態(tài)工作點(diǎn)...............
7、.....................144.1.2調(diào)整中頻頻率......................................................144.1.3調(diào)整頻率范圍......................................................144.1.4跟蹤統(tǒng)調(diào)..........................................................154.2試聽.........................................
