RC and other relaxation oscillators just will not do since amplitude noise in whatever circuit functions as a comparator will appear as phase noise on the output signal.
RC and other relaxation oscillators just will not do since amplitude noise in whatever circuit functions as a comparator will appear as phase noise on the output signal.
RC谐振器以及其它一些张弛振荡器不能满足要求,这是因为它们的核心是电压比较器,需要利用电压信号的波动(噪声)来获得稳定的输出,这种波动就构成了时钟的抖动。