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Large power aluminum nitride ceramic substrate 100 watt 30 dB attenuation plate

A technology of aluminum nitride ceramics and aluminum nitride substrates, applied in the direction of electrical components, circuits, waveguide devices, etc., can solve the problem that the attenuation accuracy cannot meet the requirements, the impedance and attenuation accuracy deviate from the actual requirements, and the high and low temperature shock resistance performance Poor and other problems, to achieve performance improvement, reduce defective products, and increase the impact resistance of high and low temperature

Inactive Publication Date: 2012-02-15
苏州市新诚氏通讯电子股份有限公司
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] At present, the attenuation accuracy of the domestic 100W-30dB attenuator cannot meet the requirements due to design reasons, and the high and low temperature impact resistance is poor. After the high and low temperature impact test is completed, the impedance and attenuation accuracy will deviate from the actual required range.

Method used

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  • Large power aluminum nitride ceramic substrate 100 watt 30 dB attenuation plate
  • Large power aluminum nitride ceramic substrate 100 watt 30 dB attenuation plate

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Embodiment Construction

[0013] 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 high-power aluminum nitride ceramic substrate 100W 30dB attenuator includes a 9.55*6.35*1MM aluminum nitride substrate 1, the back of the aluminum nitride substrate 1 is printed with a back guide layer, and the front of the aluminum nitride substrate 1 Wires 2 and resistors R1, R2, R3 are printed. The resistors R1, R2, R3 are connected by wires to form an attenuation circuit. The attenuation circuit is electrically connected to the back conductive layer through silver paste, so that the attenuation circuit is grounded. 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, 6 are symmetrical along the center line of the aluminum nitride subst...

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Abstract

The invention discloses a large power aluminum nitride ceramic substrate 100 watt 30 dB attenuation plate which comprises: a 9.55*6.35*1mm aluminum nitride substrate. A back guide layer is sprinted on a back side of the aluminum nitride substrate. A lead and a resistor are printed on a right side of the aluminum nitride substrate. The lead is connected with the resistor so as to form an attenuation circuit. The attenuation circuit is symmetrical along a center line of the aluminum nitride substrate. An output terminal and an input terminal of the attenuation circuit are respectively connected with a pad. The two pads are symmetrical along the center line of the aluminum nitride substrate. By using the attenuation plate, a resistor area can be increased so as to improve high and low temperature impact resistance. When the lead is welded to the output terminal, the resistor can not be quenched because of the high temperature so that the attenuation plate can not be broken during an actual usage process. Performance of the attenuation plate can be substantially improved. In the past, the attenuation plate can only be used in low frequency. However, the attenuation plate of the invention can be applied in a 2G-3G network.

Description

technical field [0001] The invention relates to an aluminum nitride ceramic attenuation sheet, in particular to a 100W 30dB attenuation sheet with a high-power aluminum nitride ceramic substrate. Background technique [0002] At present, most communication base stations use high-power ceramic load chips to absorb the reverse input power of communication components. High-power ceramic load chips can only simply consume and absorb excess power, but cannot monitor the working conditions of the base station in real time. When the base station fails, it cannot make a timely judgment and has no protective effect on the equipment. The attenuator can not only absorb the reverse input power of the communication components in the communication base station, but also extract some signals from the communication components, monitor the base station in real time, and protect the equipment. [0003] At present, the attenuation accuracy of domestic 100W-30dB aluminum nitride ceramic attenu...

Claims

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Application Information

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IPC IPC(8): H01P1/22
Inventor 郝敏
Owner 苏州市新诚氏通讯电子股份有限公司
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