Huang, C.C.HuangChen, D.D.ChenLeidich, S.S.LeidichGeßner, ThomasThomasGeßner2022-03-042022-03-042010https://publica.fraunhofer.de/handle/publica/22359410.1016/j.mee.2009.08.018en621Compact meta-material transmission line balun based on meander lines structure and MEMS technologyjournal article