38 圖示為一加偏壓之非反相施密特觸發器,電路中 OPA 之輸出飽和電壓為±15 V,則其下臨界電壓 (voltage of lower threshold)
為何?
(A) -23/3 V
(B) -7/3 V
(C) 7/3 V
(D) 23/3 V
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統計: A(1), B(12), C(9), D(0), E(0) #3370026
統計: A(1), B(12), C(9), D(0), E(0) #3370026