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- Title
Short-Step Butterworth Impedance Transformers.
- Authors
Zhu, Yi-Sheng; Chen, Wai-Kai
- Abstract
Based on a relationship among the order n (= 2m) of the impedance transformer, the impedance transformation ratio r and the 3-dB frequencies ω[sub a] and ω[sub b], a 2m-order Butterworth semi-lumped-element impedance transformer is designed by using a coaxial structure, consisting of a cascade of line sections having various line impedances z[sub i] with the same effective length l. The performance of the resulting transformer is comparable to that of a smaller size quarter-wavelength transformer.
- Subjects
ELECTRIC impedance; ELECTRIC transformers; ELECTRIC network synthesis
- Publication
Journal of Circuits, Systems & Computers, 2002, Vol 11, Issue 2, p165
- ISSN
0218-1266
- Publication type
Article
- DOI
10.1142/S0218126602000331