High g micromachined piezoresistive accelerometers usually need wider bandwidth than the low range piezoresistive accelerometers , for example , the highest load acceleration of these sensors can arrive at the 100 , 000g , the sensitivity is 0 . 2 0 . 4 v / gv , and the installation frequency can reach the magnitude of mhz 高量程加速度传感器往往需要很宽的频带,例如高量程加速度传感器量程可以达到100 , 000g ,灵敏度0 . 2 0 . 4 v / gv ,安装固有频率可以达到mhz量级。