▁negative ▁imped ance ▁converter ▁to ▁create ▁the ▁negative ▁resistance ▁characteristic , ▁and ▁a ▁di ode - res istor ▁network ▁to ▁create ▁the ▁non linear ▁characteristic . ▁▁▁ ▁Ch ua ' s ▁di ode ▁was ▁invent ed ▁by ▁Leon ▁Ch ua , ▁who ▁is ▁also ▁the ▁invent or ▁of ▁Ch ua ' s ▁circuit . ▁ ▁References ▁ ▁External ▁links ▁Ch ua ' s ▁circuit ▁and ▁Ch ua ' s ▁di ode ▁diag rams ▁ ▁Category : Di odes <0x0A> </s> ▁The ▁Battle ▁of ▁Be as ▁River ▁was ▁a ▁battle ▁between ▁Ch ag ata i ▁Khan ate ▁army ▁and ▁the ▁M aml uk ▁s ultan ate ▁in ▁ 1 2 8 5 . ▁G hi y as ▁ud ▁din ▁Bal ban ▁arranged ▁a ▁military ▁defense ▁line ▁across ▁Be as ▁River ▁as ▁part ▁of ▁his ▁" blo od ▁and ▁iron " ▁fort ification ▁chain ▁strategy ▁at ▁Mult an ▁and ▁L ah ore ▁as ▁a ▁counter measure ▁against ▁the ▁Ch ag ata i ▁Khan ate ▁invasion . ▁Bal ban ▁managed ▁to ▁rep ulse ▁the ▁invasion . ▁However , ▁his ▁son ▁Muhammad ▁Khan ▁was ▁s lain ▁in ▁battle . ▁ ▁Primary ▁sources ▁▁ ▁Tar ikh - i - F ir uz ▁Shah i ▁Z ia ud din ▁Bar ani ▁ ▁Reference ▁List ▁ ▁Category : 1 2 8 5 ▁in ▁Asia ▁Category : 1 3 th ▁century ▁in ▁India ▁Category : M aml uk ▁dynast y ▁( Del hi ) ▁Be as ▁River ▁Be as ▁River ▁Category : 1 2 8 5 ▁in ▁the ▁Mong ol ▁Empire