关于晶诺威科技金属封装4引脚有源晶振GND接地脚的作用,说明如下:
As the GND pin is connected with the metal case of the oscillator, it acts as shielding to minimize radiation when connected to GND in the circuit.
由于有源晶振接地引脚(GND)与晶振金属外壳导通,故该脚接地后可起屏蔽作用,以达到减少辐射之目的。
晶诺威产有源晶振GND脚位图释如下:
(贴片式有源晶振OSC7050)
(插件式有源晶振PXO8)
(插件式有源晶振PXO14)