Resonator size effects on the TFBAR ladder filter performance

Kun Wook Kim, Myeong Gweon Gu, Jong Gwan Yook, Han Kyu Park

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Thin-film bulk acoustic resonators with different resonator sizes are simulated and measured. Their effects on ladder filter performance are also presented. Aluminum nitride and platinum are used as piezoelectric material and electrodes, respectively. As the shunt resonator size increases, out-of-band rejection performance has been improved. The 3/2 stage filters that have twice or three times larger resonators reveal 6 dB and 11 dB out-of-band rejection improvements, respectively.

Original languageEnglish
Pages (from-to)335-337
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume13
Issue number8
DOIs
Publication statusPublished - 2003 Aug 1

Fingerprint

Ladder networks
ladders
Resonators
resonators
filters
rejection
Acoustic resonators
Aluminum nitride
Piezoelectric materials
Platinum
aluminum nitrides
shunts
Thin films
Electrodes
platinum
electrodes
acoustics
thin films

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Kim, Kun Wook ; Gu, Myeong Gweon ; Yook, Jong Gwan ; Park, Han Kyu. / Resonator size effects on the TFBAR ladder filter performance. In: IEEE Microwave and Wireless Components Letters. 2003 ; Vol. 13, No. 8. pp. 335-337.
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Resonator size effects on the TFBAR ladder filter performance. / Kim, Kun Wook; Gu, Myeong Gweon; Yook, Jong Gwan; Park, Han Kyu.

In: IEEE Microwave and Wireless Components Letters, Vol. 13, No. 8, 01.08.2003, p. 335-337.

Research output: Contribution to journalArticle

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