= 常数 x RGD / RG1 = 20 (T版MAX4173)
= 常数 x RGD / RG1new; RG1new = RG1 + RSERIES+
= 原增益 x RG1/RG1new
= 20 x RG1 / (RG1 + RSERIES+)
= (20 - 新增益) / 20%
= RSERIES+ / (RG1 + RSERIES+)
= RSERIES+ / (1.3 x RG1 + RSERIES+)
= RSERIES+ / (0.7 x RG1 + RSERIES+)
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