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This paper reports the design of a novel flexible dual-band frequency dependent complex load impedance transformer. The proposed dual-band impedance transformer (DBIT) is capable of matching any arbitrary complex impedance seen by the active device at two arbitrary frequencies to a real source impedance of 50 Ω simultaneously. The closed form equations are derived analytically to achieve realizable...
This paper presents the design of a novel impedance transformer based on coupled lines. The proposed impedance transformer is capable of simultaneously matching frequency-dependent complex loads to frequency-dependent complex source impedances at two arbitrary frequencies. The closed form design equations are derived analytically. The design is verified by the numerical example. The bandwidth obtained...
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