低电压的有源振荡器常常用于苹果手机无线充电器ECS-8FMX-160-TR

低电压的有源振荡器常常用于苹果手机无线充电器ECS-8FMX-160-TR，MEMS技术还声称与石英技术相比还有其他改进，但是当您仔细观察这些领域时，您会发现您放弃的可能性比您得到的要多得多。而且在应用领域方面来说，有源晶振实用性更加广泛。在这个世界上，没有什么是免费的。

低电压的有源振荡器常常用于苹果手机无线充电器ECS-8FMX-160-TR，MEMS声称在振动灵敏度方面获得了性能提升。如果我们查看数据，这很快就会被揭穿。典型的测量范围是从小于1 级到2 kHz指定的。振动密度水平在 2kHz以上大大降低。我们测量12kHz至20MHz范围内的相位抖动积分。该范围明显高于任何客户指定的最大振动水平。石英晶振通过改进石英几何形状、更高频率的空白和更好的制造工艺，石英制造商大大提高了对MEMS的振动灵敏度。振动灵敏度测量单位是每克振动的十亿分之一 (ppb/g)
                             A) MEMS振动灵敏度范围为 0.01 ppb/g ~ 1 ppb/g。
                             B) 石英振动灵敏度范围为 0.1 ppb/g ~ 1 ppb/g

MEMS technology also claims to have other improvements over quartz technology, but when you look closely in these areas you find out that you are more than likely giving up much more than you are getting. In this world, nothing is free.

MEMS claim performance gain in vibration sensitivity. If we look at the data this is quickly debunked. The typical measured range is specified from the less than one levels up to 2 kHz. Vibration density levels are reduced greatly above 2 kHz. We measure phase jitter integration in the range of 12 kHz to 20 MHz. This range is significantly higher than the maximum vibration level that any customer would specify. With improved quartz geometry’s, higher frequency blanks, and better manufacturing process, quartz manufacturers have greatly improved the vibrational sensitivity to those of MEMS.
                  Vibration sensitivity units of measure are parts per billion per g of vibration (ppb/g)
                             A) MEMS vibration sensitivity ranges from 0.01 ppb/g ~ 1 ppb/g.
                             B) Quartz vibration sensitivity ranges from 0.1 ppb/g ~ 1 ppb/g