Effective source mismatch uncertainty evaluation using resistive power splitter up to 18 GHzS.S. Devi, S. Ahmad, K. Patel, P.S. Negi and V.N. OjhaInt. J. Metrol. Qual. Eng., 6 3 (2015) 306DOI: https://doi.org/10.1051/ijmqe/2015019