低ESR有助于晶振快速振蕩啟動
來源：http://www.11ed.cn 作者：金洛鑫電子 2024年01月06
LOW ESR QUARTZES FOR RAPID OSCILLATION START-UP
Very cost-effective quartz resonators provide the basis of our extremely broad and deep product range “SMD 晶振” for the vertical market “IoT and LPWAN”. These extremely durable SMD crystals in various miniaturized ceramic housings in AT-Fundamental frequency range of 12 – 64 MHz have very low resistances, so that they oscillate optimally and particularly fast in the customer circuit. The standard frequency tolerance is ± 10 ppm at + 25° C. The temperature stabilities are in the standard ± 10ppm @ -20 / + 70° C or ± 15ppm @ -40 / + 85° C. After 10 years, the aging is ± 10ppm max. so that they can be used in any radio application due to the parameterization of the miniaturised SMD crystals. The list of design references on our website is currently being adapted and provides information which quartz crystal is suitable for which IC. If higher frequency accuracies are needed, we recommend our Low Cost TCXOs for use in narrow band applications.
Obviously, we can not only supply very low-cost components, but also have an exceptionally broad range of design-in services through our in-house engineering and offer even the measuring of suitable SMD crystals directly in the customer circuit.
We recommend to use for new developments the cheapest 3.2 × 2.5 mm ceramic housing (series SMD03025/4). However, if this housing is too large, then we recommend using the 2.0 × 1.6 mm (SMD02016/4 Series) ceramic package. Due to the steadily increasing demand for the 2.0 × 1.6 mm ceramic housing, quartz crystals in this housing are already cheaper than SMD crystals in 2.5 × 2.0 mm ceramic housing.
In addition to the reference MHz crystals, our product range offers various 32.768 kHz quartz crystals and Ultra Low Power oscillators.
低ESR石英振蕩器迅速啟動物聯網和LPWAN
非常具有成本效益的石英諧振器為垂直市場“IoT和LPWAN”提供了極其廣泛和深入的產品范圍“SMD晶體”的基礎。 在12 - 64 MHz的at基頻范圍內，這些非常耐用的SMD晶體在各種小型化陶瓷外殼中具有非常低的電阻，因此它們在客戶電路中振蕩最佳且特別快。 標準頻率公差為±10ppm， + 25℃。 溫度穩定性在標準±10ppm @ -20 / + 70℃或±15ppm @ -40 / + 85℃。 10年后，老化最大±10ppm。 ，因此，由于小型化SMD晶體的參數化，它們可以用于任何無線電應用。 我們網站上的設計參考清單目前正在調整，并提供了哪些石英晶體適合哪些集成電路。 如果需要更高的頻率精度，我們推薦我們的低成本TCXOs用于窄帶應用。
顯然，我們不僅可以提供非常低成本的組件，而且還可以通過我們的內部工程提供非常廣泛的設計服務，甚至可以直接在客戶電路中測量合適的SMD晶體。
我們建議使用最便宜的3.2 × 2.5 mm陶瓷外殼(系列SMD03025/4)進行新開發。但是，如果這個外殼太大，那么我們建議使用2.0 × 1.6 mm (SMD02016/4系列)陶瓷封裝。由于對2.0 × 1.6 mm陶瓷外殼的需求穩步增長，這種外殼中的石英晶體已經比2.5 × 2.0 mm陶瓷外殼中的SMD晶體便宜。
除了參考MHz晶體外，我們的產品系列還提供各種32.768 kHz和超低功率振蕩器。
Very cost-effective quartz resonators provide the basis of our extremely broad and deep product range “SMD 晶振” for the vertical market “IoT and LPWAN”. These extremely durable SMD crystals in various miniaturized ceramic housings in AT-Fundamental frequency range of 12 – 64 MHz have very low resistances, so that they oscillate optimally and particularly fast in the customer circuit. The standard frequency tolerance is ± 10 ppm at + 25° C. The temperature stabilities are in the standard ± 10ppm @ -20 / + 70° C or ± 15ppm @ -40 / + 85° C. After 10 years, the aging is ± 10ppm max. so that they can be used in any radio application due to the parameterization of the miniaturised SMD crystals. The list of design references on our website is currently being adapted and provides information which quartz crystal is suitable for which IC. If higher frequency accuracies are needed, we recommend our Low Cost TCXOs for use in narrow band applications.
Obviously, we can not only supply very low-cost components, but also have an exceptionally broad range of design-in services through our in-house engineering and offer even the measuring of suitable SMD crystals directly in the customer circuit.
We recommend to use for new developments the cheapest 3.2 × 2.5 mm ceramic housing (series SMD03025/4). However, if this housing is too large, then we recommend using the 2.0 × 1.6 mm (SMD02016/4 Series) ceramic package. Due to the steadily increasing demand for the 2.0 × 1.6 mm ceramic housing, quartz crystals in this housing are already cheaper than SMD crystals in 2.5 × 2.0 mm ceramic housing.
In addition to the reference MHz crystals, our product range offers various 32.768 kHz quartz crystals and Ultra Low Power oscillators.
低ESR石英振蕩器迅速啟動物聯網和LPWAN
非常具有成本效益的石英諧振器為垂直市場“IoT和LPWAN”提供了極其廣泛和深入的產品范圍“SMD晶體”的基礎。 在12 - 64 MHz的at基頻范圍內，這些非常耐用的SMD晶體在各種小型化陶瓷外殼中具有非常低的電阻，因此它們在客戶電路中振蕩最佳且特別快。 標準頻率公差為±10ppm， + 25℃。 溫度穩定性在標準±10ppm @ -20 / + 70℃或±15ppm @ -40 / + 85℃。 10年后，老化最大±10ppm。 ，因此，由于小型化SMD晶體的參數化，它們可以用于任何無線電應用。 我們網站上的設計參考清單目前正在調整，并提供了哪些石英晶體適合哪些集成電路。 如果需要更高的頻率精度，我們推薦我們的低成本TCXOs用于窄帶應用。
顯然，我們不僅可以提供非常低成本的組件，而且還可以通過我們的內部工程提供非常廣泛的設計服務，甚至可以直接在客戶電路中測量合適的SMD晶體。
我們建議使用最便宜的3.2 × 2.5 mm陶瓷外殼(系列SMD03025/4)進行新開發。但是，如果這個外殼太大，那么我們建議使用2.0 × 1.6 mm (SMD02016/4系列)陶瓷封裝。由于對2.0 × 1.6 mm陶瓷外殼的需求穩步增長，這種外殼中的石英晶體已經比2.5 × 2.0 mm陶瓷外殼中的SMD晶體便宜。
除了參考MHz晶體外，我們的產品系列還提供各種32.768 kHz和超低功率振蕩器。
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