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Responsi FM

Responsi FM. M. Reza Kahar Aziz, ST www.rezakahar.wordpress.com. Problem#1. Mencari Power Output dari Filter pada sistem FM. Output FM modulator. Diketahui outputnya Bandingkan dengan sinyal FM pada slide#10 di ppt minggu ke-5. Modulator. Diketahui

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Responsi FM

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  1. Responsi FM M. Reza Kahar Aziz, ST www.rezakahar.wordpress.com

  2. Problem#1 Mencari Power Output dari Filter pada sistem FM

  3. Output FM modulator • Diketahui outputnya • Bandingkan dengan sinyal FM pada slide#10 di ppt minggu ke-5.

  4. Modulator • Diketahui • kf(sensitifitas modulator frekuensi): 8 (Hertz/volt) • Pada referensi lain pake notasi fd (konstanta frekuensi-deviasi (Hertz per unit of m(t)) • Sinyal pesan masukan • Bandpass filter • Center frequency 1000 Hz • Bandwidth 56 Hz

  5. Diagram Block FM System FM Modulator fc= 1000 Hz kf= 8 Hz/Volt Bandpass Filter Center freq = 1000 Hz Bw = 56 Hz

  6. Pengolahan Data • Sinyal pesan input / pemodulasi • Amplituda sinyal message • Frekuansi sinyal message • Deviasifrekuensisinyal FM darifrekuensicarrier-nya • PerbandinganDf/fmdisebutindeksmodulasi (b).

  7. Bessel Function

  8. FM Band Lebar… • Tabel fungsi Bessel jenis pertama.

  9. SpektrumdanDayaSinyal FM… • Spektrum satu sisi sinyal FM wideband.

  10. Power Ratio di dalam xc (t)

  11. Power pada output modulator

  12. Power pada output filter • Merupakan power dari output modulator dikalikan dengan power ration

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