30-watt 18db attenuator for aluminum nitride ceramic substrate
A technology of aluminum nitride ceramics and aluminum nitride substrates, applied in electrical components, circuits, waveguide devices, etc., can solve the application requirements of frequency bands above 2G that cannot meet the requirements, the attenuation accuracy cannot meet the requirements, and the return loss increases. and other problems, to achieve the effect of increasing the resistance to high and low temperature impact, avoiding resistance quenching and improving the design
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[0013] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0014] Such as figure 1 As shown, the 30-watt 18dB attenuator of the aluminum nitride ceramic substrate includes an aluminum nitride substrate 1. The back surface of the aluminum nitride substrate 1 is printed with a back conductive layer, and the front surface of the aluminum nitride substrate 1 is printed with wires 2 and resistors R1. R2, R3, resistors R1, R2, and R3 are connected by wires to form an attenuation circuit, and the attenuation circuit is electrically connected to the back conductive layer through silver paste, so that the attenuation circuit is connected to ground. The attenuation circuit is symmetrical along the center line of the aluminum nitride substrate, the output end of the attenuation circuit is connected to a pad 5, the input end is connected to a pad 6, and the two pads 5 and 6 are symmetrical along the center line...
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