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Gera3000
modified 1 year ago

7 сегментний декодер

1
1
131
01:32:58
Схема демонструє роботу декодера 4 вхідних біти мають 8 станів. Ми використовуєм 7 ( крім 1 1 1 1) кожем вмикач є спрощеним представленням 1 бітного сигналу. І як вмикач, має 2 стани 1 та 0 мапу станів можна презентувати так: бінарна цифра | десяткова цифра _______|_________________ 0 0 0 0 | 0 0 0 0 1 | 1 0 0 1 0 | 2 0 0 1 1 | 3 ... 0 1 0 0 | 4 ... 1 0 0 0 | 8 Схема 7448 дещо спрощена (немає пінів живлення та землі) Повна версія: https://beletronics.wordpress.com/3-2-3-bcd-to-7-segement-decoder-experiment/
published 1 year ago
Gera3000
1 year ago
The diagram demonstrates the operation of a decoder 4 input bits have 8 states. We use 7 (except 1 1 1 1) Each switch is a simplified representation of a 1-bit signal. And like a switch, it has 2 states: 1 and 0 The state map can be presented as follows: binary digit | decimal digit _______|_________________ 0 0 0 0 | 0 0 0 0 1 | 1 0 0 1 0 | 2 0 0 1 1 | 3 ... 0 1 0 0 | 4 ... 1 0 0 0 | 8 The 7448 circuit is somewhat simplified (no power and ground pins)

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