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大家快来看看,很奇怪,关于TINA模型的异常

Other Parts Discussed in Thread: OPA277, TINA-TI

下载了最新版的TINA-TI,在使用中发现在“制造商模型”中的运放模型太不准确,比如:用OPA277仿真开环增益曲线如上,最大增益才60DB,

而PDF资料上有120DB,什么情况?????