Patent ID: 8373520

Claim:
A device for coupling a plurality of individual high-frequency amplifiers (M 1 , M 2 , . . . Mn) operating at a frequency f, including n high-frequency inputs E 1 , E 2 , . . . Ei, . . . Ep, . . . En, wherein n being an integer greater than 1, i and p being two integers between 1 and n, p being different from i, and a power high-frequency output to supply a load with a power which is a sum of powers supplied by all the plurality of individual high-frequency amplifiers connected via power outputs (sm) of the plurality of individual high-frequency amplifiers to said high-frequency inputs, the device comprising: n inductors L 1 , L 2 , Li, . . . Lp, . . . Ln having first ends connected to a respective high-frequency input E 1 , E 2 , . . . Ei, . . . Ep, . . . En, second ends connected together to one end (B) of an output capacitor, wherein the second end is connected to the power high-frequency output in order to form as many series resonant LC circuits, wherein the resonant LC circuit resonates at the frequency f, between the high frequency inputs E 1 , E 2 , . . . Ei, . . . Ep, . . . En and the power high-frequency output as the plurality of individual high-frequency amplifiers are coupled; and a coupler having n inputs, wherein the resonance frequency f seen by one of the high-frequency inputs Ei of the coupler is: f = 1 2 · π ⁢ L · C n L indicates an inductance value as the inductors L 1 , L 2 , Li, . . . Lp, . . . Ln and C indicates a capacitance value of the output capacitor of the coupler, wherein the resonance frequency f is same as an operating frequency of the plurality of individual high-frequency amplifiers.