用ISE10.1 PlaceRoute 后,出现如下警告:WARNING:Route:455-CLK Net:clk_200m may have excessive skew because 0 CLK pins and 1 NON_CLK pins failed to route using a CLK template.若不管它进行后仿,就会出现:WARNING:Anno:67-NCD is
29. What is the requirement for phase noise at 1k offset, 10kHz offset, and 100kHz offset for GSM handset? GSM手机的相位噪声为1k、10kHz和100kHz的情况下,需要满足什么条件?答:For GSM handset RX it has several architectures to
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