329572585-Elektronika-Balikan-Bab-12

329572585-Elektronika-Balikan-Bab-12 - Elektronika Bab 12...

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Elektronika, Bab 12 : Balikan Pemateri Kelompok 5 : Aesa Kanaby Julian Yudani Muhammad Fauzan Isnanda Rahmad Ariadi
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Rumusan Masalah 1) Apakah dasar dari balikan? 2) Apakah pengaruh balikan tehadap perubahan frekuensi? 3) Apakah pengaruh balikan tehadap cacat bentuk isyarat?
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Beberapa Dasar Balikan Pada kebanyakan penguat yang dijumpai dalam praktek, sebagian isyarat keluarannya dikembalikan pada masukan sehingga isyarat masukan diperlemah . Usaha untuk mengembalikan sebagian isyarat keluaran kepada masukan disebut balikan ( feed-back ). Perpindahan energi dari keluaran suatu jaringan listrik ke masukannya dinamakan umpan balik (feedback) Ada dua jenis umpan balik : a) Umpan balik negatif dan b)umpan balik positif
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Gambar 1 (a) Rangkaian penguat tanpa balikan (lingkar terbuka); (b) rangkaian penguat dengan balikan (lingkar tertutup)
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Pada keadaan ini isyarat keluaran Pada gambar 1 b ditunjukkan rangkaian balikan tegangan yang diberi tanda .
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  • Spring '17
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