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elektronika_digital_dan_komputer

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Modul ELKA.MR.UM.004.A<br />

111<br />

Berhenti pada 11 (biner) = 3 (decimal)<br />

i. Buatlah rangkaian seperti gambar berikut.<br />

Clock<br />

J<br />

CLK<br />

K<br />

Q<br />

Q<br />

JKFFB<br />

A<br />

J<br />

CLK<br />

Q<br />

K Q<br />

JKFFB<br />

ii. Hidupkan rangkaian <strong>dan</strong> resetlah terlebih dahulu, kemudian<br />

berikan pulsa-pulsa clock <strong>dan</strong> catat outputnya pada tabel<br />

dibawah.<br />

Pulsa ke<br />

0<br />

1<br />

2<br />

3<br />

4<br />

5<br />

B<br />

Out<br />

B A<br />

Percobaan II (Pencacah sinkron)<br />

6. Pencacah maju sinkron modulo 4 (free running)<br />

i. Buatlah rangkaian seperti gambar berikut ini<br />

Clock<br />

J<br />

CLK<br />

K<br />

Q<br />

Q<br />

JKFFB<br />

A<br />

J<br />

CLK<br />

Q<br />

K Q<br />

JKFFB<br />

B<br />

Desimal<br />

ii. Hidupkan rangkaian <strong>dan</strong> resetlah terlebih dahulu sehingga<br />

semua Q = 0.<br />

iii. Berikan pulsa-pulsa clock <strong>dan</strong> catat output QA <strong>dan</strong> QB seperi<br />

pada tabel 1.

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