Method of eliminating resonances in multiband radiating arrays

A radiating element, comprising:

• first and second dipole arms, the first dipole arm and the second dipole arm each having a respective capacitive coupling area;
• and
• a first multilayer feedboard having a first metallization layer that includes a first feed line and a second metallization layer that includes a first balun, first through fourth capacitive elements and first and second inductors,
• wherein the first and second dipole arms are supported on the multilayer feedboard, and
• wherein the second capacitive element and the capacitive coupling area of the first dipole arm form a first capacitor, and the fourth capacitive element and the capacitive coupling area of the second dipole arm form a second capacitor.

A radiating element, comprising:

• first and second dipole arms, the first dipole arm and the second dipole arm each having a respective capacitive coupling area;
• and
• a feedboard having a balun and first and second matching circuits coupled to the balun, the first matching circuit being coupled to the first dipole arm and the second matching circuit being coupled to the second dipole arm,
• wherein the first matching circuit comprises a first capacitive element and a first inductor that are arranged electrically in series, and
• wherein the second matching circuit comprises a third capacitive element and a second inductor that are arranged electrically in series,
• wherein the feedboard includes a longitudinally-extending slit, the balun is positioned below a first end of the slit, and the first capacitive element is on a first side of the slit and the third capacitive element is on a second side of the slit.