什么是晶体振荡器的Symmetry (Duty Cycle)?

什么是晶体振荡器的Symmetry (Duty Cycle)?

什么是晶体振荡器的Symmetry (Duty Cycle)?

答:对称性(占空比)。

晶诺威科技解释如下:

Oscillator symmetry refers to the ratio between the time taken for a full cycle and that taken for a half cycle. For TTL output level oscillators these values are measured at +1.4 Volt, and at ½ VDD level for CMOS, HCMOS and Universal oscillator outputs.

晶体振荡器对称性是指一个完整周期所花费的时间与半周期所花费的时间之间的比率。对于TTL输出电平振荡器,这些值在+1.4 V下测量,对于CMOS、HCMOS和通用振荡器输出,在1/2 VDD电平下测量。

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