CN205564937U - Berillia ceramic substrate 80 tile 20dB decay piece - Google Patents
Berillia ceramic substrate 80 tile 20dB decay piece Download PDFInfo
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- CN205564937U CN205564937U CN201521083951.6U CN201521083951U CN205564937U CN 205564937 U CN205564937 U CN 205564937U CN 201521083951 U CN201521083951 U CN 201521083951U CN 205564937 U CN205564937 U CN 205564937U
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- membranaceous resistance
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Abstract
The utility model discloses a berillia ceramic substrate 80 tile 20dB decay piece, it includes a berillia base plate, berillia back of the substrate does not have circuit non metallization, the berillia base plate openly is equipped with input electrode, output electrode, a film resistors, the 2nd film resistors, the 3rd film resistors, fourth film resistors, an earth conductor, the 2nd earth conductor, the 3rd earth conductor, fourth earth conductor, the 5th earth conductor, the 6th earth conductor, the 7th earth conductor and the 8th earth conductor, input electrode, a film resistors, the 2nd film resistors, the 3rd film resistors, fourth film resistors and output electrode establish ties in proper order, a film resistors's input is connected with the first silver that bakes over a slow fire, fourth film resistors's output is connected with the second and bakes silver over a slow fire. The utility model discloses simple structure, convenient to use, it is small, the decay good resistance precision of flatness and attenuation accuracy height, the good reproducibility, the stable performance is reliable, simple to operate, the application request of present 3G and 4G network can be satisfied in unleaded environmental protection.
Description
Technical field
The utility model relates to a kind of beryllium oxide ceramics substrate attenuator, particularly to the attenuator of a kind of 80 watts of 20dB of beryllium oxide ceramics substrate.
Background technology
The attenuator of 80 watts of 20dB of beryllium oxide ceramics substrate is the one of coaxial fixed attentuator chip, is widely used in the equipment such as microwave communication, radar.Attenuator is a power consumption and Circuit Matching element, it is desirable to the impact on two terminal circuits is the smaller the better.The higher frequencies such as 4GHz, 6GHz to be accomplished can be reached in the market extremely difficult for its attenuation accuracy minority of powerful attenuator.
Utility model content
The utility model is in order to solve the problems referred to above, thus provides the attenuator of a kind of 80 watts of 20dB of beryllium oxide ceramics substrate.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
nullA kind of 80 watts of 20dB attenuators of beryllium oxide ceramics substrate，80 watts of 20dB attenuators of described beryllium oxide ceramics substrate include a beryllium oxide substrate，Described beryllium oxide substrate back is non-metallic without circuit，Described beryllium oxide substrate front side is provided with input electrode、Output electrode、First membranaceous resistance、Second membranaceous resistance、Tertiary membrane shape resistance、4th membranaceous resistance、First earth lead、Second earth lead、3rd earth lead、4th earth lead、5th earth lead、6th earth lead、7th earth lead and the 8th earth lead，Input electrode、First membranaceous resistance、Second membranaceous resistance、Tertiary membrane shape resistance、4th membranaceous resistance and output electrode are sequentially connected in series，First earth lead and the second earth lead are symmetricly set on the first membranaceous resistance two ends，3rd earth lead and the 4th earth lead are symmetricly set on the two ends of the second membranaceous resistance，5th earth lead and the 6th earth lead are symmetricly set on tertiary membrane shape resistance two ends，7th earth lead and the 8th earth lead are symmetricly set on the 4th membranaceous resistance two ends，The input of described first membranaceous resistance connects the first roasting silver，The output of described 4th membranaceous resistance connects the second roasting silver.
In a preferred embodiment of the present utility model, it is 50 ± 1 Ω that described first membranaceous resistance, the second membranaceous resistance, tertiary membrane shape resistance and the 4th membranaceous resistance carry out the impedance respectively with earth terminal of laser resistor trimming, the input of described first membranaceous resistance and the output of the 4th membranaceous resistance by laser resistance adjuster respectively.
In a preferred embodiment of the present utility model, described beryllium oxide substrate volume is 61*25.4*1.2mm.
In a preferred embodiment of the present utility model, described first membranaceous resistance, the second membranaceous resistance, tertiary membrane shape resistance and the 4th membranaceous resistance are made by thick-film technique respectively, and the characteristic impedance of described 80 watts of 20dB attenuators of beryllium oxide ceramics substrate is 50 Ω, frequency is 4GHz, power capacity is 100W.
In a preferred embodiment of the present utility model, described first membranaceous resistance, the second membranaceous resistance, tertiary membrane shape resistance and the 4th membranaceous resistance are symmetricly set on the center of beryllium oxide substrate.
The beneficial effects of the utility model are:
The utility model simple in construction, easy to use, volume is little, and the decay good resistance accuracy of flatness and attenuation accuracy are high, reproducible, stable and reliable for performance, easy for installation, leadless environment-friendly, it is possible to meet the application requirement of current 3G and 4G network.
The utility model can be widely applied to the production of the microwave products such as apparatus field isolator, circulator such as Aeronautics and Astronautics, radar, radio station, broadcast communication.
Accompanying drawing explanation
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
For the technological means making the utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, the utility model is expanded on further.
Seeing Fig. 1,80 watts of 20dB attenuators of beryllium oxide ceramics substrate that the utility model provides, it includes a beryllium oxide substrate 100.
The volume of beryllium oxide substrate 100 is specially 61*25.4*1.2mm, its back side is non-metallic without circuit, is provided with input electrode 200, output electrode 300, first membranaceous resistance the 410, second membranaceous resistance 420, tertiary membrane shape resistance the 430, the 4th membranaceous resistance the 440, first earth lead the 510, second earth lead the 520, the 3rd earth lead the 530, the 4th earth lead the 540, the 5th earth lead the 550, the 6th earth lead the 560, the 7th earth lead 570 and the 8th earth lead 580 in its front.
Input electrode 200 is connected with the input of the first membranaceous resistance 410, the output of the first membranaceous resistance 410 and the input of the second membranaceous resistance 420 connect, the output of the second membranaceous resistance 420 is connected with the input of tertiary membrane shape resistance 430, the output of tertiary membrane shape resistance 430 and the input of the 4th membranaceous resistance 440 connect, and the output of the 4th membranaceous resistance 440 is connected with output electrode 300.
So input electrode 200, first membranaceous resistance the 410, second membranaceous resistance 420, the membranaceous resistance 440 of tertiary membrane shape resistance the 430, the 4th and output electrode 300 can form a card form attenuation network, after signal enters into thick film circuit attenuator by the first membranaceous resistance 400 input, by first membranaceous resistance the 410, second membranaceous resistance 420, tertiary membrane shape resistance 430 and the 4th membranaceous resistance 440, power can be absorbed step by step, finally by the signal that the 4th membranaceous resistance 440 output output is practically necessary.
The input of the first membranaceous resistance 410 specifically connects the first roasting silver 600, and the output of the 4th membranaceous resistance 440 specifically connects the second roasting silver 700.
It addition, input electrode 200, first membranaceous resistance the 410, second membranaceous resistance 420, tertiary membrane shape resistance the 430, the 4th membranaceous resistance 440 and output electrode 300 generally symmetry shape.
Connecting at the two ends of the first membranaceous resistance 410 and have the first symmetrical earth lead 510 and the second earth lead 520, the first membranaceous resistance 410 is by the first earth lead 510 and the second earth lead 520 earth-continuity.
Connecting at the two ends of the second membranaceous resistance 420 and have the 3rd symmetrical earth lead 530 and the 4th earth lead 540, the second membranaceous resistance 420 is by the 3rd earth lead 530 and the 4th earth lead 540 earth-continuity.
The two ends of tertiary membrane shape resistance 430 connect the 5th symmetrical earth lead 550 and the 6th earth lead 560, and tertiary membrane shape resistance 430 is by the 5th earth lead 550 and the 6th earth lead 560 earth-continuity.
The two ends of the 4th membranaceous resistance 440 connect the 7th symmetrical earth lead 570 and the 8th earth lead 580, and the 4th membranaceous resistance 440 is by the 7th earth lead 570 and the 8th earth lead 580 earth-continuity.
First membranaceous resistance the 410, second membranaceous resistance 420, tertiary membrane shape resistance 430 and the 4th membranaceous resistance 440 are made especially by thick-film technique, first membranaceous resistance the 410, second membranaceous resistance 420, tertiary membrane shape resistance 430 and the 4th membranaceous resistance 440 carry out laser resistor trimming by laser resistance adjuster respectively, the impedance with earth terminal respectively of the input of the first membranaceous resistance 410 and the output of the 4th membranaceous resistance 440 is 50 ± 1 Ω, and the characteristic impedance so making thick film circuit attenuator is 50 Ω, frequency is 4GHz, power capacity is 100W.
First membranaceous resistance 410, second membranaceous resistance 420, tertiary membrane shape resistance 430 and the 4th membranaceous resistance 440 are specifically symmetrically arranged at the center of beryllium oxide substrate 100, and input electrode 200, first membranaceous resistance 410, second membranaceous resistance 420, tertiary membrane shape resistance 430, the card form attenuation network that 4th membranaceous resistance 440 and output electrode 300 are formed also is symmetrical structure, the attenuator circuit so making thick film circuit attenuator is in a full symmetric state, the decay flatness so making thick film circuit attenuator is good, resistance accuracy and attenuation accuracy are high, reproducible.
Of the present utility model general principle and principal character and of the present utility model advantage have more than been shown and described.Skilled person will appreciate that of the industry; the utility model is not restricted to the described embodiments; described in above-described embodiment and specification, principle of the present utility model is simply described; on the premise of without departing from the utility model spirit and scope; the utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed the utility model.The utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (5)
- null1. 80 watts of 20dB attenuators of a beryllium oxide ceramics substrate，It is characterized in that，80 watts of 20dB attenuators of described beryllium oxide ceramics substrate include a beryllium oxide substrate，Described beryllium oxide substrate back is non-metallic without circuit，Described beryllium oxide substrate front side is provided with input electrode、Output electrode、First membranaceous resistance、Second membranaceous resistance、Tertiary membrane shape resistance、4th membranaceous resistance、First earth lead、Second earth lead、3rd earth lead、4th earth lead、5th earth lead、6th earth lead、7th earth lead and the 8th earth lead，Input electrode、First membranaceous resistance、Second membranaceous resistance、Tertiary membrane shape resistance、4th membranaceous resistance and output electrode are sequentially connected in series，First earth lead and the second earth lead are symmetricly set on the first membranaceous resistance two ends，3rd earth lead and the 4th earth lead are symmetricly set on the two ends of the second membranaceous resistance，5th earth lead and the 6th earth lead are symmetricly set on tertiary membrane shape resistance two ends，7th earth lead and the 8th earth lead are symmetricly set on the 4th membranaceous resistance two ends，The input of described first membranaceous resistance connects the first roasting silver，The output of described 4th membranaceous resistance connects the second roasting silver.
- A kind of 80 watts of 20dB attenuators of beryllium oxide ceramics substrate the most according to claim 1, it is characterized in that, it is 50 ± 1 Ω that described first membranaceous resistance, the second membranaceous resistance, tertiary membrane shape resistance and the 4th membranaceous resistance carry out the impedance respectively with earth terminal of laser resistor trimming, the input of described first membranaceous resistance and the output of the 4th membranaceous resistance by laser resistance adjuster respectively.
- A kind of 80 watts of 20dB attenuators of beryllium oxide ceramics substrate the most according to claim 1, it is characterised in that described beryllium oxide substrate volume is 61*25.4*1.2mm.
- A kind of 80 watts of 20dB attenuators of beryllium oxide ceramics substrate the most according to claim 1, it is characterized in that, described first membranaceous resistance, the second membranaceous resistance, tertiary membrane shape resistance and the 4th membranaceous resistance are made by thick-film technique respectively, and the characteristic impedance of described 80 watts of 20dB attenuators of beryllium oxide ceramics substrate is 50 Ω, frequency is 4GHz, power capacity is 100W.
- A kind of 80 watts of 20dB attenuators of beryllium oxide ceramics substrate the most according to claim 1, it is characterised in that described first membranaceous resistance, the second membranaceous resistance, tertiary membrane shape resistance and the 4th membranaceous resistance are symmetricly set on the center of beryllium oxide substrate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083951.6U CN205564937U (en) | 2015-12-22 | 2015-12-22 | Berillia ceramic substrate 80 tile 20dB decay piece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521083951.6U CN205564937U (en) | 2015-12-22 | 2015-12-22 | Berillia ceramic substrate 80 tile 20dB decay piece |
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| CN205564937U true CN205564937U (en) | 2016-09-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356598A (en) * | 2016-11-23 | 2017-01-25 | 苏州市新诚氏电子有限公司 | High-precision 150W attenuation slice and production method thereof |
| CN114142196A (en) * | 2021-11-29 | 2022-03-04 | 中国电子科技集团公司第四十三研究所 | Resistance type attenuator |
-
2015
- 2015-12-22 CN CN201521083951.6U patent/CN205564937U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356598A (en) * | 2016-11-23 | 2017-01-25 | 苏州市新诚氏电子有限公司 | High-precision 150W attenuation slice and production method thereof |
| CN114142196A (en) * | 2021-11-29 | 2022-03-04 | 中国电子科技集团公司第四十三研究所 | Resistance type attenuator |
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