Abstract A high frequency circuit arrangement having function of both impedance transformation and electric power division comprising first, second, third and fourth strip lines each having a length of a quarter of the wavelength of a transmitted signal which are connected in sequence to form a closed loop, and four branch lines each of which is connected to each of the junction points of the first, second, third and fourth strip lines, wherein the characteristic impedances of the first strip line and the branch lines connected to both ends of the first strip line are equal to each other, the characteristic impedances of the second and fourth strip lines are equal to each other, the characteristic impedances of the branch lines connected to both ends of the third strip line are equal to each other, and the characteristic impedances of the second and fourth strip lines are one half the square root of the characteristic impedance of the third strip line.
An electric power divider having a function of impedance transformation comprising a first line, a second line, a third line and a fourth line connected in sequence to form a closed loop, each of said lines having a length of a quarter of the wavelength of a signal to be transmitted therethrough, and four branch lines each connected to each of the junction points of said closed loop, in which the characteristic impedance of said first line and the impedances of the branch lines connected to both ends of said second and fourth lines connected to both ends of said first line are equal to each other, the impedances of the branch lines connected to both ends of said third line are equal to each other, the impedances of said branch lines connected to both ends of said third line being different from the impedances of said branch lines connected to both ends of said first line, and the characteristic impedances of said second and fourth lines is the square root of one half of the characteristic impedance of said third line.
Claim 2
Dependent Claim
182 words
An electric power divider having a function of impedance transformation comprising a first line, a second line, a third line and a fourth line connected in sequence to form a closed loop, each of said lines having a length of a quarter of the wavelength of a signal to be transmitted therethrough, and four branch lines each connected to each of the junction points of said closed loop, in which the characteristic impedance of said first line and the impedances of the branch lines connected to both ends of said second and fourth lines connected to both ends of said first line are equal to each other, the impedances of the branch lines connected to both ends of said third line are equal to each other, the impedances of said branch lines connected to both ends of said third line being different from the impedances of said branch lines connected to both ends of said first line, and the characteristic impedances of said second and fourth lines is the square root of one half of the characteristic impedance of said third line.
Claim 3
Dependent Claim
17 words
An electric power divider according to claim 1, in which all of said lines are strip lines.
Claim 4
Dependent Claim
67 words
An impedance transformation type 3 dB electric power divider comprising an electric power divider according to claim 1 and another electric power divider also according to claim 1 coupled with each other in cascade fassion such that the third line of said electric power divider and the first line of said another electric power divider are superimposed on each other into a common line to both loops.