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In this article, a new compact branch‐line coupler with third harmonics suppression using the meander T‐shaped line is suggested. The meander T‐shaped line works similar to a bandstop filter at the second and third harmonics frequencies. The size of the proposed coupler is 22.2 × 14.9 mm2, while a conventional coupler is 32.6 × 27.8 mm2. Thus, the proposed coupler is considerably smaller than the...
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