High frequency power divider

Claim 2

A high-frequency power divider, comprising: a dielectric base having a ground formed on one side of said dielectric base; an input line formed on a second side of said dielectric base; a pair of input-output lines formed on said second side of said dielectric base, said input-output lines forming a pair of output terminals; a pair of high-impedance transmission lines formed on said second side of said dielectric base that diverge from each other at a side opposite where high-frequency power is inputted into said input line, said pair of impedance transmission lines extending to said pair of input-output lines; an isolation resistor having one end thereof connected to one of said pair of high-impedance transmission lines, the remaining end of said isolation resistor being connected to the remaining high-impedance transmission line; and a capacitive component comprising a capacitor disposed at an inner side where said high-impedance transmission lines diverge from said input line, said capacitive component cancelling undesired reflections along said high-frequency power divider.

Claim 3

The high-frequency power divider of claim 1, wherein said capacitor is disposed inside a hole formed in said dielectric base.

Claim 4

The high-frequency power divider of claim 1, wherein said capacitor comprises an electrode pattern portion formed on said second side of said dielectric base, said electrode pattern having a predetermined shape.

Claim 5

A high frequency power divider, comprising: a coaxial cable input line having an input end and a diverging end; a pair of coaxial cable input-output lines, each input-output line having a first end and an output end, an outer conductor of each input-output line being connected to an outer conductor of said input line; a pair of coaxial cable high-impedance transmission lines, one end of each high-impedance transmission line being connected to said diverging end of said input line, the remaining end of one high-impedance transmission line being secured to said first end of one input-output line and the remaining end of the second high-impedance transmission line being secured to said first end of the remaining input-output line, an outer conductor of each high-impedance transmission line being connected to said outer conductor of said input-output lines; an isolation resistor connected between said input-output lines; and a capacitive component disposed at an inner side of said pair of high-impedance transmission lines that diverge from said input line to cancel undesired reflections along said power divider.

Claim 6

A high frequency power divider, comprising: a coaxial cable input line having an input end and a diverging end; a pair of coaxial cable input-output lines, each input-output line having a first end and an output end, an outer conductor of each input-output line being connected to an outer conductor of said input line; a pair of coaxial cable high-impedance transmission lines, one end of each high-impedance transmission line being connected to said diverging end of said input line, the remaining end of one high-impedance transmission line being secured to said first end of one input-output line and the remaining end of the second high-impedance transmission line being secured to said first end of the remaining input-output line, an outer conductor of each high-impedance transmission line being connected to said outer conductor of said input-output lines; an isolation resistor connected between said input-output lines; and a capacitive component disposed at an inner side of said pair of high-impedance transmission lines that diverge from said input line to cancel undesired reflections along said power divider.

Claim 7

A high frequency power divider, comprising: a coaxial cable input line having an input end and a diverging end; a pair of coaxial cable input-output lines, each input-output line having a first end and an output end, an outer conductor of each input-output line being connected to an outer conductor of said input line; a pair of coaxial cable high-impedance transmission lines, one end of each high-impedance transmission line being connected to said diverging end of said input line, the remaining end of one high-impedance transmission line being secured to said first end of one input-output line and the remaining end of the second high-impedance transmission line being secured to said first end of the remaining input-output line, an outer conductor of each high-impedance transmission line being connected to said outer conductor of said input-output lines; an isolation resistor connected between said input-output lines; and a capacitor positioned at an inner side of said point where said pair of high-impedance transmission lines diverge from said input line for cancelling undesired reflections along said power divider.

Claim 8

A high frequency power divider, comprising: a coaxial cable input line having an input end and a diverging end; a pair of coaxial cable input-output lines, each input-output line having a first end and an output end, an outer conductor of each input-output line being connected to an outer conductor of said input line; a pair of coaxial cable high-impedance transmission lines, one end of each high-impedance transmission line being connected to said diverging end of said input line, the remaining end of one high-impedance transmission line being secured to said first end of one input-output line and the remaining end of the second high-impedance transmission line being secured to said first end of the remaining input-output line, an outer conductor of each high-impedance transmission line being connected to said outer conductor of said input-output lines; an isolation resistor connected between said input-output lines; and a capacitor positioned at an inner side of said point where said pair of high-impedance transmission lines diverge from said input line for cancelling undesired reflections along said power divider.

Claim 9

A high-frequency power divider, comprising: a dielectric base having a ground formed on one side of said dielectric base; an input line formed on a second side of said dielectric base; a pair of input-output lines formed on said second side of said dielectric base, said input-output lines forming a pair of output terminals; a pair of high-impedance transmission lines formed on said second side of said dielectric base that diverge from each other at a side opposite where high-frequency power is inputted into said input line, said pair of impedance transmission lines extending to said pair of input-output lines, each high-impedance transmission line comprising: a first section that extends perpendicular to said input line; a second section that is formed perpendicular to said first section so that said high-impedance transmission lines are parallel to each other, said section being located between said input line and said input-output lines; a third section that is formed perpendicular to said second section so that said high-impedance transmission lines converge towards each other until said high-impedance transmission lines are separated from each other by a predetermined minimum distance; a fourth section that diverges from said third section towards one of said input-output lines, the length of said first, second and third sections of each high-impedance transmission line being chosen so that each transmission line has a desired impedance; an isolation resistor having one end thereof connected to one of said pair of high-impedance transmission lines, the remaining end of said isolation resistor being connected to the remaining high-impedance transmission line, said resistor being located proximate said input-output lines proximate said predetermined minimum distance between each high-impedance transmission line; and a capacitive component disposed at an inner side where said high-impedance transmission lines diverge from said input line, said capacitive component cancelling undesired reflections along said high-frequency power divider.

Claim 10

A high-frequency power divider, comprising: a dielectric base having a ground formed on one side of said dielectric base; an input line formed on a second side of said dielectric base; a pair of input-output lines formed on said second side of said dielectric base, said input-output lines forming a pair of output terminals; a pair of high-impedance transmission lines formed on said second side of said dielectric base that diverge from each other at a side opposite where high-frequency power is inputted into said input line, said pair of impedance transmission lines extending to said pair of input-output lines, each high-impedance transmission line comprising: a first section that extends perpendicular to said input line; a second section that is formed perpendicular to said first section so that said high-impedance transmission lines are parallel to each other, said section being located between said input line and said input-output lines; a third section that is formed perpendicular to said second section so that said high-impedance transmission lines converge towards each other until said high-impedance transmission lines are separated from each other by a predetermined minimum distance; a fourth section that diverges from said third section towards one of said input-output lines, the length of said first, second and third sections of each high-impedance transmission line being chosen so that each transmission line has a desired impedance; an isolation resistor having one end thereof connected to one of said pair of high-impedance transmission lines, the remaining end of said isolation resistor being connected to the remaining high-impedance transmission line, said resistor being located proximate said input-output lines proximate said predetermined minimum distance between each high-impedance transmission line; and a capacitive component disposed at an inner side where said high-impedance transmission lines diverge from said input line, said capacitive component cancelling undesired reflections along said high-frequency power divider.