Paper Title:
Design of Stereo Frequency Modulation Exciter Controlled by Microcontroller
  Abstract

A new stereo Frequency Modulation exciter scheme for short-distance wireless communication is proposed. It adopts a stereo FM IC BH1415 to transmit audio FM signals, and its transmitting frequency is controlled by microcontroller. The basic principle of phase-locked loop for FM is analyzed, and the audio FM circuit based on BH1415 and the controlling method based on AT89C51 are introduced. Test results indicated that, the audio FM Exciter had simple structure and higher reliability, each parameter can meet the demands of FM broadcasting system, and it has some scalability.

  Info
Periodical
Edited by
Honghua Tan
Pages
796-801
DOI
10.4028/www.scientific.net/AMM.29-32.796
Citation
J. B. Zhang, M. F. Zhu, Y. L. Ren, J. Lu, "Design of Stereo Frequency Modulation Exciter Controlled by Microcontroller", Applied Mechanics and Materials, Vols. 29-32, pp. 796-801, 2010
Online since
August 2010
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