Circular waveguide higher mode TM01 based radial waveguide power synthesis/distributor
A technology of radial waveguide and circular waveguide, which is applied in the direction of waveguide devices, electrical components, connecting devices, etc., can solve the problems of strict processing and assembly requirements, large loss, low yield, etc., to reduce processing requirements and power capacity Great effect with little loss
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[0024] In this example, if figure 1 As shown in the structure, the radial waveguide power combiner / distributor works in the W frequency band, the working frequency is 90-98GHz, the input port 1, the output port P1, P2, ..., Pn are BJ900 standard rectangular waveguides, the size is 2.54mm×1.27mm, and the circle The waveguide 302 has a diameter of 2.8 mm. The signal is input from port 1 and converted to TM in the circular waveguide 302 through the mode converter 01 Mode, then distributed to the output ports P1, P2, ..., Pn through the equal amplitude and phase of the distributor 4. In this example, n=12, and the coupling amount of each output port is -10·log(n)=-10.73dB. Each port is symmetrical about the center of the circular waveguide 302, and has good amplitude and phase balance. The S parameters of each port are as follows: image 3 As shown, the return loss of the input port is less than -19dB.
[0025] The output ports of a pair of radial waveguide power combiners / dist...
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