Symmetrical coupling wave-guided wave power synthesis amplifier
A coupling waveguide and amplifier technology, applied in the field of solid-state power amplifiers, can solve problems such as few synthesis channels, few synthesis channels, and narrow bandwidth, and achieve the effects of reducing dielectric loss, widening distribution bandwidth, and wide bandwidth
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[0031] The symmetrical coupling structure of the present invention may be to insert multi-channel coupling units symmetrically from the center of a certain side broadside of the input waveguide; or to insert multi-channel coupling units symmetrically on both broadsides of the input waveguide. When a multi-channel coupling unit is inserted at a position symmetrical to the center of the broadside on one broadside of the input waveguide, the symmetrically coupled waveguide traveling-wave power combining amplifier of the present invention includes at least one input waveguide, multi-stage amplification branches and an output waveguide. Each stage of amplification branch includes a multi-channel input symmetrical coupling unit, an amplifier and a multi-channel output symmetrical coupling unit. When the multi-channel coupling unit is symmetrically inserted on the broadsides of both sides of the input waveguide, since the direction of the coupling unit on the broadside of both sides i...
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