晶振振蕩的原理分析
晶振能否穩(wěn)定振蕩,主要取決于能量損耗的大小及放大電路的補償能力。在晶振振蕩時,晶振損耗由晶振等效阻抗的實部Re決定,Re代表了晶振串入到振蕩電路中的等效電阻,也被稱為等效串聯(lián)電阻,記作ESR。ESR數(shù)值越大則晶振在振蕩時的損耗就越大,就越容易導致晶振振蕩不穩(wěn)定甚至停振,反之ESR越小則晶振越容易起振。 晶振ESR的具體……
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Zhongshan Huiyuan Jinggong Electronic Technology Co., Ltd. (Shenzhen Huiyuan Jinggong Electronics Co., Ltd.) is a high-tech company specializing in the development, production and sales of quartz crystal oscillators. Main quartz crystal resonator, quartz crystal oscillator, acoustic table resonator, ceramic resonator, vehicle-specific crystal oscillator, high-quality crystal oscillator, high-stability crystal oscillator,
Adhere to the improvement of quality assurance system, adhere to quality first, adhere to low cost and high efficiency
Learn Huiyuan CrystaThe most common mobile phone devices are smart phones. In addition, ipads,
Usually includes laptops, cameras, camcorders, headphones, stereos, tablets, etc.
Common medical electronic devices include X-ray imaging, magnetic resonance imaging,
晶振能否穩(wěn)定振蕩,主要取決于能量損耗的大小及放大電路的補償能力。在晶振振蕩時,晶振損耗由晶振等效阻抗的實部Re決定,Re代表了晶振串入到振蕩電路中的等效電阻,也被稱為等效串聯(lián)電阻,記作ESR。ESR數(shù)值越大則晶振在振蕩時的損耗就越大,就越容易導致晶振振蕩不穩(wěn)定甚至停振,反之ESR越小則晶振越容易起振。 晶振ESR的具體……
為方便后面分析負載電容對晶體振蕩器廠家頻率及起振的為便于分析,將式中晶振復阻抗的實部Re和虛部XePierce晶體振蕩器廠家器是Colpitts電容三點式晶體振蕩器廠家器的變形,它可以工作在幾kHz到幾百MHz的頻率范圍,因其結構簡單、成本低廉,而且精度高、波形好,特別是功耗低以及對電源電壓和環(huán)境溫度等因素不敏感,所以……
With the rapid development of information technology, miniaturized products are becoming more and more popular. The same is true for the crystal oscillator industry. Today, more and more electronic devices choose to use small and light chip crystal oscill