High-power broadband antenna

Claim 2

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising a plurality of substantially collinear electrically conductive radiating elements operably coupled to a broadband input signal for enhancing antenna efficiency of said high-power broadband antenna for said broadband input signal, wherein each said antenna section is fixed to an electrical insulator mounted on a horizontal ground plane; and at least two loading elements electrically coupled to said radiating elements; wherein each of said loading elements comprises a parallel combination of a resistor, an inductor, and a capacitor formed into each of said antenna sections and operably coupled to said radiating elements for effecting said antenna efficiency of said high-power broadband antenna, wherein: said antenna sections are spaced apart by approximately 2 percent or less of a base wavelength; each of said antenna sections comprises a lower section, a center section, and an upper section; said lower section has a length sufficient for making an electrical connection to an impedance matching transformer; said center section has a length of approximately 6 percent of said base wavelength; and said upper section has a length of approximately 1 percent of said base wavelength.

Claim 3

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising a plurality of substantially collinear electrically conductive radiating elements operably coupled to a broadband input signal for enhancing antenna efficiency of said high-power broadband antenna for said broadband input signal, wherein each said antenna section is fixed to an electrical insulator mounted on a horizontal ground plane; at least two loading elements electrically coupled to said radiating elements; wherein each of said loading elements comprises a parallel combination of a resistor, an inductor, and a capacitor formed into each of said antenna sections and operably coupled to said radiating elements for effecting said antenna efficiency of said high-power broadband antenna, wherein: said antenna sections are spaced apart by approximately 2 percent of a base wavelength; each of said antenna sections comprises a lower section, a center section, an upper section, and a top section; said lower section has a length sufficient for making an electrical connection to an impedance matching transformer; said center section has a length of approximately 0.5 percent of said base wavelength; said upper section has a length of approximately 5 percent of said base wavelength; and said top section has a length of approximately 1 percent of said base wavelength.

Claim 4

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising a plurality of substantially collinear electrically conductive radiating elements operably coupled to a broadband input signal for enhancing antenna efficiency of said high-power broadband antenna for said broadband input signal, wherein each said antenna section is fixed to an electrical insulator mounted on a horizontal ground plane; at least two loading elements electrically coupled to said radiating elements; wherein each of said loading elements comprises a parallel combination of a resistor, an inductor, and a capacitor formed into each of said antenna sections and operably coupled to said radiating elements for effecting said antenna efficiency of said high-power broadband antenna, wherein: said antenna sections are spaced apart by approximately 2 percent of a base wavelength; each of said antenna sections comprises a lower section, a center section, an upper section, and a top section; said lower section has a length sufficient for making an electrical connection to an impedance matching transformer; said center section has a length of approximately 0.5 percent of said base wavelength; said upper section has a length of approximately 5 percent of said base wavelength; and said top section has a length of approximately 1 percent of said base wavelength.

Claim 5

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising a plurality of substantially collinear electrically conductive radiating elements operably coupled to a broadband input signal for enhancing antenna efficiency of said high-power broadband antenna for said broadband input signal, wherein each said antenna section is fixed to an electrical insulator mounted on a horizontal ground plane; at least two loading elements electrically coupled to said radiating elements; wherein each of said loading elements comprises a parallel combination of a resistor, an inductor, and a capacitor formed into each of said antenna sections and operably coupled to said radiating elements for effecting said antenna efficiency of said high-power broadband antenna; an impedance transformer comprising: a coaxial feed cable for electrically coupling an input signal to said high-power broadband antenna; radio frequency transformer electrically coupled to said coaxial feed cable; series capacitor electrically coupled to said radio frequency transformer; a parallel capacitor electrically coupled between said series capacitor and said ground plane; a parallel inductor electrically coupled between said series capacitor and said ground plane; and feedwire electrically coupling each of said antenna sections to a tap point between said series capacitor and said parallel capacitor.

Claim 6

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising a plurality of substantially collinear electrically conductive radiating elements operably coupled to a broadband input signal for enhancing antenna efficiency of said high-power broadband antenna for said broadband input signal, wherein each said antenna section is fixed to an electrical insulator mounted on a horizontal ground plane; at least two loading elements electrically coupled to said radiating elements; wherein each of said loading elements comprises a parallel combination of a resistor, an inductor, and a capacitor formed into each of said antenna sections and operably coupled to said radiating elements for effecting said antenna efficiency of said high-power broadband antenna; an impedance transformer comprising: a coaxial feed cable for electrically coupling an input signal to said high-power broadband antenna; radio frequency transformer electrically coupled to said coaxial feed cable; series capacitor electrically coupled to said radio frequency transformer; a parallel capacitor electrically coupled between said series capacitor and said ground plane; a parallel inductor electrically coupled between said series capacitor and said ground plane; and feedwire electrically coupling each of said antenna sections to a tap point between said series capacitor and said parallel capacitor.

Claim 7

The high-power broadband antenna of claim 3, further comprising a radio frequency source for providing said broadband input signal to said impedance transformer.

Claim 8

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising at least two electrically conductive substantially collinear radiating elements operably coupled to a broadband input signal, wherein: each of said antenna sections is fixed to an electrical insulator mounted on a horizontal ground plane, each said radiating element comprises a combination of length, resistance, capacitance, and inductance for enhancing antenna efficiency of said high-power broadband antenna; an impedance transformer comprising: coaxial feed cable for electrically coupling said broadband input signal to said high-power broadband antenna; a radio frequency transformer electrically coupled to said coaxial feed cable; a series capacitor electrically coupled to said radio frequency transformer; a parallel capacitor electrically coupled between said series capacitor and said ground plane; a parallel inductor electrically coupled between said series capacitor and said ground plane; and a feedwire electrically coupling each of said antenna sections to a tap point between said series capacitor and said parallel capacitor.

Claim 9

A high-power broadband antenna comprising: at least two vertical antenna sections each comprising at least two electrically conductive substantially collinear radiating elements operably coupled to a broadband input signal, wherein: each of said antenna sections is fixed to an electrical insulator mounted on a horizontal ground plane, each said radiating element comprises a combination of length, resistance, capacitance, and inductance for enhancing antenna efficiency of said high-power broadband antenna; an impedance transformer comprising: coaxial feed cable for electrically coupling said broadband input signal to said high-power broadband antenna; a radio frequency transformer electrically coupled to said coaxial feed cable; a series capacitor electrically coupled to said radio frequency transformer; a parallel capacitor electrically coupled between said series capacitor and said ground plane; a parallel inductor electrically coupled between said series capacitor and said ground plane; and a feedwire electrically coupling each of said antenna sections to a tap point between said series capacitor and said parallel capacitor.

Claim 10

The high-power broadband antenna of claim 5, wherein: said antenna sections are spaced apart by approximately 2 percent of a base wavelength; and each said radiating element has an length approximately equal to said base wavelength.

Claim 11

The high-power broadband antenna of claim 5, further comprising a radio frequency source for providing said broadband input signal to said impedance transformer.