SOAL ELDAS2( Nurkhaliq FM) - Nama Nurkhaliq Futhra maulana...

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Nama : Nurkhaliq Futhra maulana NIM : H211 15 301 PENGUAT DAYA AUDIO 1. Jelaskan efek dari penggunaan kapasitor boostrap dan hubungan darlington pada rangkaian penguat daya audio? Jawaban: Penggunaan kapasitor boostrap untuk menguatkan tegangan sementara hubungan darlington untuk menguatkan arus sehingga penggunaan tersebut dapat mempengaruhi besarnya penguatan daya pada rangkaian. Karen besar daya dipengaruhi oleh arus dan tegangan. 2. Jelaskan perbedaan dari penguat kelas A dan penguat kelas B? Jawaban: Penguat kelas A menguatkan seluruh daur masukan sehingga keluarannya merupakan salinan asli yang diperbesar amplitudonya sedangkan penguat kelas B hanya menggunakan setengah daur gelombang masukan, sehingga menimbulkan cacat yang sangat besar tetapi mempunyai efisiensi yang lebih tinggi dibandingkan kelas A. 3. Jika pada suatu rangkaian penguatan diketahui nilai pada masukan yaitu V in = 110 V dan I in = 0,025 mA serta sementara unutk keluaran V L = 220 V dan I L = 0,05 mA Ω. Tentukan besarnya penguatan daya yang dihasilkan rangkaian tersebut.
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  • Spring '17
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