A voltage-controlled tunable thin-film distributed RC notch filter

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Notch filters are widely used in communication and instrumentation systems not only for eliminating undesired frequencies and for measuring transient harmonic distortions, but also as central components of selective filters and oscillators in feedback arrangements. This paper describes the characteristics of a thin-film distributed RC (DRC) notch filter made from Au/TaN/Y-doped BaTiO3 (Y-BT)/Pt. The dielectric (Y-BT) and resistive (TAN) films were grown by pulsed laser deposition (PLD). A notch frequency of 2.8 MHz and notch depth of -76.7 dB were measured from zero with a notch resistance (RN) of 34 Ω. The experimental optimum notch parameters of α = R/RN = 19.7 and xn = ω/ωo = 33.0 were obtained. Tunability of the notch frequency was observed with an applied dc bias voltage.

Original languageEnglish (US)
Pages (from-to)33-37
Number of pages5
JournalIEEE Transactions on Components and Packaging Technologies
Volume24
Issue number1
DOIs
StatePublished - Mar 1 2001

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Notch filters
Triacetoneamine-N-Oxyl
Thin films
Harmonic distortion
Electric potential
Pulsed laser deposition
Bias voltage
Feedback
Communication

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

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A voltage-controlled tunable thin-film distributed RC notch filter. / Choi, Won Youl; Trolier-McKinstry, Susan E.

In: IEEE Transactions on Components and Packaging Technologies, Vol. 24, No. 1, 01.03.2001, p. 33-37.

Research output: Contribution to journalArticle

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