Abstract
AbstractA prototype of a tunable impedance matching network in π‐configuration has been fabricated with ferroelectric varactors of patterned Barium‐Strontium‐Titanate Ba0.5Sr0.5TiO3 (BST) thin film. The matching circuit is designed based on a coplanar waveguide (CPW) transmission line and interdigital capacitors (IDC). The tunable impedance matching range and insertion loss are measured with varying voltage at the frequency range of 0.1–2 GHz. The insertion loss of designed circuit is 0.36 dB at 0.9 GHz. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3251–3254, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23942
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