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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: IEEE Trans Microw Theory Tech. 2016 Sep 12;64(10):3217–3223. doi: 10.1109/TMTT.2016.2602835

Fig. 2.

Fig. 2

(a) A microstrip coupler with a proposed directivity tuner, and (b) two signal components through microstrip line, A, and directivity tuner, B, in (a)