From table 3 the efficient power transfer is possible only in case of series connection of external capacitor to the open end antenna or in case of parallel connection to the short end antenna. However, in the view point of the reduction of the operation frequency the series connection of capacitor to the short end antenna would be preferred. In lumped parameters
this connection is presented in figure 21 (subscript 1 refers to the sours coil). In figure 2.21 Rac and RG represents the coil loss and output generator resistance respectively (in case of load coil RL will appear instead of RG)