【正文】
武漢理工大學(xué)高頻電子電路課程設(shè)計目 錄摘要.....................................................................1...................................................................3 簡介..........................................................4.................................................6 ..................................................6 ..................................................7..................................................8........................................................9....................................................9.........................................................10...........................................................11........................................................12 壓電效應(yīng)及其等效電路..............................................12.................................................12.................................................13.............................................13.............................................14..................................................14 主要原件參數(shù)設(shè)計..................................................14...................................................15.....................................................17 電路的仿真........................................................167. 調(diào)試波形與實物圖.....................................................21..................................................................24參考文獻................................................................25..........................................................26摘要:石英晶體振蕩器是一種高精度和高穩(wěn)定度的振蕩器,被廣泛應(yīng)用于彩電、計算機、遙控器等各類振蕩電路中,以及通信系統(tǒng)中用于頻率發(fā)生器、為數(shù)據(jù)處理設(shè)備產(chǎn)生時鐘信號和為特定系統(tǒng)提供基準(zhǔn)信號。石英諧振器因具有極高的頻率穩(wěn)定性,故主要用在要求頻率十分穩(wěn)定的振蕩電路中作諧振元件,如彩電的色副載波振蕩器、電子鐘表的時基振蕩器及游戲機中的時鐘脈沖振蕩器等,石英晶體成本較高,故在要求不太高的電路中一般采用陶瓷諧振元件。本設(shè)計對利用石英晶體構(gòu)成正弦波的振蕩器的方法做了較深入的研究,對振蕩器的原理及石英晶體振蕩器原理做了詳細(xì)的介紹并通過Multisim 軟件設(shè)計、仿真出串并聯(lián)可交換的石英晶體振蕩器,最后按照原理圖進行實物的連接、調(diào)試和參數(shù)的計算。關(guān)鍵詞:晶體;振蕩器;串并聯(lián);Multisim仿真Abstract: Quartz crystal oscillator is a high precision and high stability of the oscillator, is widely used in color television sets, puters, remote controls and other kinds of oscillator circuits, and munications systems for the frequency generator, generate the clock for the dataprocessing equipment signal and reference signals for a particular system. Quartz resonators for very high frequency stability, it is mainly used in the required oscillation frequency is very stable as resonant circuit elements such as colo