| 摘要 |
PROBLEM TO BE SOLVED: To electromagnetically connect a laminated dielectric waveguide line to a high frequency line such as another line conductor or dielectric waveguide line or antenna element by using a slot hole with satisfactory characteristics even when they are different in characteristic impedance. SOLUTION: A high frequency line is electromagnetically connected to a dielectric waveguide line 15 equipped with main conductor layers 12 and 13 interposing a dielectric substrate 11, through-conductor groups 14 for sidewalls in two rows, and sub- conductor layers 16 formed in parallel with the main conductor layers 12 and 13 by using slot holes 17 formed in the main conductor layer 12 in this connecting structure. A conductor non-forming region 18 is formed in the lower main conductor layer 13 in a transmitting direction including the center of the slot holes 17 of the dielectric waveguide line 15 in the range of the length of 1/4 of the signal wavelength. Also, an inner conductor layer 19 for connecting the sub-conductor layer 16 through the same face and an inner through-conductor group 20 for connecting both edges of the transmitting direction with the main conductor layer 13 are formed. Thus, impedance can be adjusted by a matching circuit part just under the slot hole 17, and the connecting structure with satisfactory characteristics can be obtained.
|
