Microstrip Matching Network

This circuit transforms Z_L=30+j10 (Ohm) to Zin=60+j80 (Ohm) at f=1.5GHz. The velocity factor of the microstrips is set to 5.00346143, which corresponds to a wavelength of 1 meter at 1.5GHz. So L=0.055 and 0.26 in the schematic mean 0.055λ and 0.26λ, respectively.