The stub flat die dipole antenna and its design mannered null substrate which possess the property of broadband or

摘要

A stub printed dipole antenna (SPDA) and a method of designing the same are provided. The SPDA include: a substrate; dipole arms (15,17) disposed at both surfaces (11,16) of the substrate for transmitting/receiving a signal; a parallel metal strip line (14,18) disposed at both surfaces of the substrate, and each having one end connected to each of the dipole arms; a stub (13,20) disposed at both surfaces of the substrate, and connected to the other end of the parallel metal strip line; a coaxial probe connected to the junction of the parallel metal strip line and the stub for feeding signals; a hole (12,19) for inserting an inner conductor of the coaxial probe; and a contact (21) for connecting to an outer conductor of the coaxial probe.