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The Korean Institute of Electrical Engineers (대한전기학회)
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A study on the design of bandpass filters using SAW components

탄성표면파 소자를 이용한 대역통과 여파기의 설계에 관한 연구

  • 전계석 (경희대 공대 전자공학과) ;
  • 황금찬 (연세대 공대 전기공학과) ;
  • 김봉열 (연세대 공대 전자공학과)
  • Published : 1982.02.01
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Abstract

In this paper, surface acoustic wave (SAW) bandpass filter is designed using the Fourier series approach and the I$_{0}$-shin window function. And also we studied a method to realize SAW filter using the apodized ID transducer which was fabricated with aluminum metallization of about 1500 A over .deg. thickness on Y-cut Z-propagating LiNbO$_{3}$, crystal by photolithographic technique (lift-off method). Experimental results on SAW bandpass filter responses show good agreements with the theoretical characteristics.s.

Keywords