CN104241787A - Small 10 W 16 dB ceramic attenuation slice - Google Patents
Small 10 W 16 dB ceramic attenuation slice Download PDFInfo
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- CN104241787A CN104241787A CN201410235851.4A CN201410235851A CN104241787A CN 104241787 A CN104241787 A CN 104241787A CN 201410235851 A CN201410235851 A CN 201410235851A CN 104241787 A CN104241787 A CN 104241787A
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Abstract
The invention discloses a small 10 W 16 dB ceramic attenuation slice. The small 10 W 16 dB ceramic attenuation slice comprises an aluminum nitride ceramic substrate with the size of 5 mm*2.5 mm* 0.635 mm, high-temperature silver paste is printed on the back face of the aluminum nitride ceramic substrate, five resistors and aluminum nitride silver paste wires are printed on the front face of the aluminum nitride ceramic substrate, two rectangular bonding discs are connected to the two ends of each aluminum nitride silver paste wire respectively, and the five resistors between the aluminum nitride silver paste wires form an attenuation circuit. According to the small 10 W 16 dB ceramic attenuation slice, high-heat-conductivity aluminum nitride ceramic is adopted as the material of the substrate, the power capacity of the aluminum nitride ceramic is much higher than that of an aluminum oxide ceramic material with the same size, a toxic beryllium oxide ceramic material is replaced, the size is reduced, and the attenuation slice is more environmentally friendly while the miniaturization requirement is met; MWO simulation software is introduced for circuit design, the attenuation accuracy is improved, the return loss of the attenuation slice is effectively controlled, the smaller standing-wave ratio is obtained, the use bandwidth of the attenuation slice is expanded, and the attenuation slice is suitable for the DC-3G full-band and meets the use requirement of current 4G networks.
Description
Technical field
The present invention relates to a kind of ceramic attenuator sheet, particularly a kind of compact ceramic 10 watts of 16dB attenuators.
Background technology
Be integrated with multiple membranaceous resistance to be at present integrated, be widely used in radar, satellite communication by the attenuator of resistance and circuit different designs, the war industrys such as electronic countermeasures and mobile phone, PCS and commercial base station market segment.Working load sheet merely can only consume and absorb unnecessary power; and the signal using attenuator can also extract needs at the power absorbing oppositely input is analyzed simultaneously; and on high-frequency circuit, adjust power level, decoupling, protective effect is served to relevant device.
Abroad, particularly American-European countries, to attenuator and carrier sheet development & production all Zao than domestic starting a lot, the rich of product or product microwave property are all in comparative advantages status.On domestic market, existing attenuator series is few simultaneously, and attenuation accuracy is low, and the frequency range relative narrower that can use.The attenuator that we wish is a power consumption component, can not have impact to two terminal circuits, that is, all mates with two terminal circuits.When attenuation accuracy or VSWR do not reach require time, the signal that output obtains does not meet actual requirement.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a kind of resistance and meets 52.5 Ω ± 3%, within 3G frequency range, attenuation accuracy is 16 ± 0.6dB, standing wave requires that input, output are within 1.15, the compact ceramic that the application that can meet current 4G network requires 10 watts of 16dB attenuators, replace same kind of products at abroad, and characteristically fill up the blank of home products.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of compact ceramic 10 watts of 16dB attenuators, comprise an aluminium nitride ceramic substrate, aluminium nitride ceramic substrate is of a size of 5mm × 2.5mm × 0.635mm, the back up of aluminium nitride ceramic substrate has high temperature silver slurry, the front of aluminium nitride ceramic substrate is printed with 5 resistance and nitrogenize aluminum paste wire, silver slurry wire two ends connect two rectangular pads respectively, and 5 resistance between silver slurry wire form attenuator circuit.This compact ceramic 10 watts of 16dB attenuators adopt high-thermal-conductivity aluminium nitride pottery as substrate material, the power capacity of same size is better than alumina ceramic material greatly, and instead of poisonous niberlox, reduce while size meets small form factor requirements and make product more environmental protection, introduced the design of MWO simulation software to circuit simultaneously, attenuation accuracy is improved, and effectively control the return loss of product, obtain less standing-wave ratio, widen the utilized bandwidth of this product, be suitable for DC-3G full frequency band, meet current 4G Web vector graphic requirement.
Preferably, described attenuator circuit introduces MWO simulation software technology in design, optimizes circuit structure.
Preferably, described Ceramic Substrate Material have employed environmental protection high-thermal-conductivity aluminium nitride ceramic material.
Preferably, there is the glassy phase diaphragm of high temperature sintering on described resistance upper strata.
Technique scheme has following beneficial effect: this compact ceramic 10 watts of 16dB attenuators adopt high-thermal-conductivity aluminium nitride pottery as substrate material, the power capacity of same size is better than alumina ceramic material greatly, and instead of poisonous niberlox, reduce while size meets small form factor requirements and make product more environmental protection, introduced the design of MWO simulation software to circuit simultaneously, attenuation accuracy is improved, and effectively control the return loss of product, obtain less standing-wave ratio, widen the utilized bandwidth of this product, be suitable for DC-3G full frequency band, meet current 4G Web vector graphic requirement.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, this compact ceramic 10 watts of 16dB attenuators, comprise one and be of a size of 5mm × 2.5mm × 0.635mm height heat conduction aluminum nitride ceramic substrate 1, the back up of aluminum nitride ceramic substrate 1 has silver slurry, the front of aluminum nitride ceramic substrate 1 is printed with silver slurry wire 2 and membranaceous resistance R1, R2, R3, R4, R5, membranaceous resistance R1, R2, R3, R4, R5 are connected to form attenuator circuit by silver slurry wire, attenuator circuit is coated with silver slurry by end and is connected with back silver slurry layer, thus makes attenuator circuit form path.This attenuator circuit is symmetrical along the center line of ceramic substrate; membranaceous resistance R1, R2, R3, R4, R5 are printed with glassy phase diaphragm 3; the upper surface of silver slurry wire 2 and glassy phase 3 is also printed with one deck black protective film 4, can starch wire 2 and membranaceous resistance R1, R2, R3, R4, R5 formation protection like this to silver.
This compact ceramic 10 watts of 16dB attenuators require that the resistance of input and ground connection is 52.5 Ω ± 3%, and the resistance of output and ground is 52.5 Ω ± 3%.Signal enters attenuator from input, through 5 black membranaceous resistance R1, R2, R5, R3, R4 to the progressively absorption of power, exports the signal required for reality from output.
This compact ceramic 10 watts of 16dB attenuators adopt high-thermal-conductivity aluminium nitride pottery as substrate material, the power capacity of same size is better than alumina ceramic material greatly, and instead of poisonous niberlox, reduce while size meets small form factor requirements and make product more environmental protection, introduced the design of MWO simulation software to circuit simultaneously, attenuation accuracy is improved, and effectively control the return loss of product, obtain less standing-wave ratio, widen the utilized bandwidth of this product, be suitable for DC-3G full frequency band, meet current 4G Web vector graphic requirement.
Above a kind of compact ceramic 10 watts of 16dB attenuators that the embodiment of the present invention provides are described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as limitation of the present invention, and all any changes made according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (4)
1. a compact ceramic 10 watts of 16dB attenuators, it is characterized in that: comprise an aluminium nitride ceramic substrate, aluminium nitride ceramic substrate is of a size of 5mm × 2.5mm × 0.635mm, the back up of aluminium nitride ceramic substrate has high temperature silver slurry, the front of aluminium nitride ceramic substrate is printed with 5 resistance and nitrogenize aluminum paste wire, silver slurry wire two ends connect two rectangular pads respectively, and 5 resistance between silver slurry wire form attenuator circuit, this compact ceramic 10 watts of 16dB attenuators adopt high-thermal-conductivity aluminium nitride pottery as substrate material, the power capacity of same size is better than alumina ceramic material greatly, and instead of poisonous niberlox, reduce while size meets small form factor requirements and make product more environmental protection, introduced the design of MWO simulation software to circuit simultaneously, attenuation accuracy is improved, and effectively control the return loss of product, obtain less standing-wave ratio, widen the utilized bandwidth of this product, be suitable for DC-3G full frequency band, meet current 4G Web vector graphic requirement.
2. compact ceramic according to claim 1 10 watts of 16dB attenuators, is characterized in that: described attenuator circuit introduces MWO simulation software technology in design, optimizes circuit structure.
3. compact ceramic according to claim 1 10 watts of 16dB attenuators, is characterized in that: described Ceramic Substrate Material have employed environmental protection high-thermal-conductivity aluminium nitride ceramic material.
4. compact ceramic according to claim 1 10 watts of 16dB attenuators, is characterized in that: there is the glassy phase diaphragm of high temperature sintering on described resistance upper strata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235851.4A CN104241787A (en) | 2014-05-29 | 2014-05-29 | Small 10 W 16 dB ceramic attenuation slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235851.4A CN104241787A (en) | 2014-05-29 | 2014-05-29 | Small 10 W 16 dB ceramic attenuation slice |
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| CN104241787A true CN104241787A (en) | 2014-12-24 |
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| CN201410235851.4A Pending CN104241787A (en) | 2014-05-29 | 2014-05-29 | Small 10 W 16 dB ceramic attenuation slice |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532208A (en) * | 2016-11-23 | 2017-03-22 | 苏州市新诚氏电子有限公司 | Card-type 3dB attenuation sheet and production method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709649A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 100w 20dB attenuating plate with large pad for aluminum nitride ceramic substrate |
| CN102709631A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 30W 13db aluminum nitride ceramic substrate attenuation slice |
-
2014
- 2014-05-29 CN CN201410235851.4A patent/CN104241787A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709649A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 100w 20dB attenuating plate with large pad for aluminum nitride ceramic substrate |
| CN102709631A (en) * | 2012-06-28 | 2012-10-03 | 苏州市新诚氏电子有限公司 | 30W 13db aluminum nitride ceramic substrate attenuation slice |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532208A (en) * | 2016-11-23 | 2017-03-22 | 苏州市新诚氏电子有限公司 | Card-type 3dB attenuation sheet and production method thereof |
| CN106532208B (en) * | 2016-11-23 | 2019-11-01 | 苏州市新诚氏通讯电子股份有限公司 | A kind of card form 3dB attenuator and its production method |
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Application publication date: 20141224 |