в конверте xD
да я этот ели нашёл, на старом винте стоял , ну от размера то не зависит вроди как 😃
а резисторы там размера 0604, а не 0805 😉
А не бывает резисторов размера 0604 😉
Считаем…
U2=U-U1=4.25-1.30=2.95B.
I=0.00062766A R1(без маркировки)=U1/I=1.30/0.00062766=2.071 =~2.1k, только его сопротивление нам нафиг не нужно 😁
Сколько вольт отсечки желаете?
К примеру, для 6В отсечки (2 банки): R2`=R2*(6-U1)/U2 = 4700*(6-1.3)/2.95 = 7.5кОм.
Т.е. вместо 4.7к (472) ставим 7.5к (752 или 7501).
для 9В отсечки (3 банки): R2`=R2*(9-U1)/U2 = 4700*(9-1.3)/2.95 = ~12кОм.
З.Ы. Искомый 4.7к стоит через конденсатор правее черного.
Подскажите пожалуйста а как будет маркирован резистор на 12кОм ???
123 вроде…
Ага, 123.
Разряд № 3 = количество нулей. Цифра 1 и 2 - соответствует! (расчёт в омах)
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