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OCXO:

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恒溫晶體振蕩器簡稱恒溫晶振，英文簡稱為OCXO（Oven Controlled Crystal Oscillator）,是利用恒溫槽使晶體振蕩器中石英晶體諧振器的溫度保持恒定，將由周圍溫度變化引起的振蕩器輸出頻率變化量削減到最小的晶體振蕩器。OCXO是由恒溫槽控制電路和振蕩器電路構(gòu)成的。通常人們是利用熱敏電阻“電橋"構(gòu)成的差動串聯(lián)放大器，來實現(xiàn)溫度控制。