An alternative approach in deriving associated circle equations for microwave transistor amplifiers
Conference proceedings article
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Author list: Silapunt R., Torrungrueng D.
Publisher: Hindawi
Publication year: 2008
Volume number: 1
Start page: 233
End page: 236
Number of pages: 4
ISBN: 1424421012; 9781424421015
ISSN: 0146-9428
eISSN: 1745-4557
Languages: English-Great Britain (EN-GB)
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Abstract
The bilinear transformation is employed in deriving associated circle equations for microwave transistor amplifiers in the conjugately characteristic-impedance transmission line (CCITL) system. This approach is engaged in transforming stability, operating and available power gains, voltage standing wave ratio (VSWR), and noise circles located in the reflection-coefficient plane (γ-plane) in the Z0 system into the corresponding ones in the CCITL system at any argument φ, which is the argument of the CCITL characteristic impedances. Its validity is verified by comparing with result of the characteristic conductance (CC) approach. Its convenience over the CC approach is realized. ©2008 IEEE.
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