CN206059603U - A kind of Stepped Impedance loading capacitance type digital filter attenuator - Google Patents
A kind of Stepped Impedance loading capacitance type digital filter attenuator Download PDFInfo
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- CN206059603U CN206059603U CN201620976381.1U CN201620976381U CN206059603U CN 206059603 U CN206059603 U CN 206059603U CN 201620976381 U CN201620976381 U CN 201620976381U CN 206059603 U CN206059603 U CN 206059603U
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Abstract
The utility model discloses a kind of Stepped Impedance loading capacitance type digital filter attenuator, belong to wave filter technology field, including digital pad WSD and wave filter F, using LTCC technology, the stable new construction Stepped Impedance loading capacitance type digital filter attenuator of good small volume, high lightweight, reliability, excellent electrical property, simple structure, high yield rate, batch concordance, low cost, temperature performance is realized；This utility model is that its pin has reserved on dielectric-slab, finally effectively saves space, improves the integrated rate of device by digital pad and LTCC wave filter are done integrated design；Realize double item functions, the i.e. digital pad with filter function simultaneously in the form of single-chip, the advantages of can be mass-produced, satellite communication etc. has in the occasion and corresponding system of rigors to volume, electrical property, temperature stability and reliability.
Description
Technical field
This utility model belongs to wave filter technology field.
Background technology
In recent years, as the miniaturization of mobile communication, satellite communication and Defensive Avionics System is developed rapidly, high-performance,
Low cost and miniaturization have become the developing direction of microwave current/RF application, performance, size to microwave filter, can
Put forward higher requirement by property and cost.In some national defence tip devices, duplexer have become the band reception and
Critical electronic part in transmitting branch, describe this component capabilities refer mainly to indicate：Passband operating frequency range, stopband frequency
Rate scope, isolation, pass band insertion loss, stopband attenuation, passband input/output voltage standing-wave ratio, insertion phase shift and time delay frequency
Rate characteristic, temperature stability, volume, weight, reliability etc..
LTCC is a kind of Electronic Encapsulating Technology, using multi-layer ceramics technology, can be built in passive element
Inside medium substrate, while active component can also be mounted on substrate surface makes passive/active integrated functional module.
LTCC technology is in cost, integration packaging, wiring live width and distance between centers of tracks, low impedance metal, design diversity and motility and height
The aspects such as frequency performance all show many merits, it has also become the mainstream technology of passive integration.Which has high q-factor, is easy to embedded nothing
Source device, thermal diffusivity are good, and reliability is high, high temperature resistant, rush the advantages of shaking, using LTCC technology, can be very good to process size
Little, high precision, tight type are good, and little microwave device is lost.
Utility model content
The purpose of this utility model is to provide a kind of Stepped Impedance loading capacitance type digital filter attenuator, using LTCC
Technology, realizes small volume, high lightweight, reliability, excellent electrical property, simple structure, high yield rate, batch concordance is good, make
The new construction Stepped Impedance loading capacitance type digital filter attenuator that valency is low, temperature performance is stable.
For achieving the above object, this utility model is employed the following technical solutions：
A kind of Stepped Impedance loading capacitance type digital filter attenuator, including digital pad WSD and wave filter F, filter
The upper surface of ripple device F is provided with digital pad WSD, strip line Rin and strip line Rout, and strip line Rin and strip line Rout are equal
Connection digital pad WSD, the left surface of wave filter F are interval with input P1 and outfan P2 from front to back successively, filter
The trailing flank of device F be interval with successively from left to right control end P3, control end P4, control end P5, control end P6, control end P7 and
Control end P8, control end P3, control end P4, control end P5, control end P6, control end P7 and control end P8 are all connected with digital attenuation
Device WSD, strip line Rin are also connected with input P1, and the right flank of wave filter F is interval with free end P9 successively and hangs from rear to front
Dead end P10；
Wave filter F includes that the first ground plane, the first capacitor layers, strip line layer, zigzag configuration layer, the second capacitor layers, second connect
Stratum, through hole Via1, through hole Via2, through hole Via3, through hole Via4, through hole Via5 and through hole Via6, it is the first ground plane, first electric
Hold layer, strip line layer, zigzag configuration layer, the second capacitor layers and the second ground plane to set gradually from top to bottom, on the first ground plane
Earth plate SD1 is provided with, the second ground plane is provided with earth plate SD2；
Be interval with electric capacity C1 and electric capacity C2 in first capacitor layers from left to right successively, in the second capacitor layers from left to right according to
Minor tick is provided with electric capacity C3 and electric capacity C4；
Strip line layer is provided with input inductance Lin1, outputting inductance Lout, strip line T1, strip line T2, strip line T3, band
Shape line T4 and input inductance Lin2, strip line T1, strip line T2, strip line T3 and strip line T4 are for interval sets successively from left to right
Put, the left side of strip line T1 is provided with input inductance Lin1 and outputting inductance Lout, be input into inductance Lin1 back be interval with it is defeated
Go out inductance Lout, on the right of strip line T4, be provided with input inductance Lin2；
Strip line T1 includes strip line T11 and strip line T12, and the width of strip line T11 is not less than the width of strip line T12
Degree, strip line T21 and strip line T22 are from rear to front setting, the rear end connection outputting inductance Lout of strip line T11, strip line
The front end of T11 connects the rear end of strip line T12, and the front end of strip line T12 is hanging setting, and the rear end of strip line T11 also passes through
Through hole Via5 connects electric capacity C3；
Strip line T2 includes strip line T21 and strip line T22, and the width of strip line T22 is not less than the width of strip line T21
Degree, strip line T21 and strip line T22 are that the rear end of strip line T21 is hanging setting, before strip line T21 from rear to front setting
The rear end of end connection strip line T22, the front end of strip line T22 connects electric capacity C1 by through hole Via3；
Strip line 3 includes strip line T31 and strip line T32, and the width of strip line T32 is not less than the width of strip line T31,
Strip line T31 and strip line T32 are that the rear end of strip line T31 is hanging setting, the front end of strip line T31 from rear to front setting
The rear end of connection strip line T32, the front end of strip line T32 connect electric capacity C4 by through hole Via6；
Strip line T4 includes strip line T41 and strip line T42, and the width of strip line T41 is not less than the width of strip line T42
Degree, strip line T41 and strip line T42 are from rear to front setting, the rear end connection input inductance Lin2 of strip line T41, strip line
The front end of T41 connects the rear end of strip line T42, and the front end of strip line T42 is hanging setting, and the rear end of strip line T41 also passes through
Through hole Via4 connects electric capacity C2；
Zigzag configuration layer is provided with Z-shaped strip line Z；
Input inductance Lin2 also connects strip line Rout by through hole Via2, and input inductance Lin1 is also connected with input P1,
Outputting inductance Lout is also connected with output port P2.
The input P1 and output port P2 are the port of 50 ohmages of coplanar waveguide structure.
It is the input P1, the outfan P2, control end P3, control end P4, control end P5, described
Control end P6, control end P7, control end P8, the free end P9 and the free end P10 are outer enclosure and draw
Foot.
It is the input P1, the outfan P2, control end P3, control end P4, control end P5, described
The upper end of control end P6, control end P7, control end P8, the free end P9 and the free end P10 is all provided with oriented
The bending part that the side of wave filter F upper surfaces extends, the input P1, the outfan P2, control end P3, the control
End P4 processed, control end P5, control end P6, control end P7, control end P8, the free end P9 and described
The lower end of free end P10 is all provided with the bending part that the side of orientational filter F lower surfaces extends.
Both the digital pad WSD and the wave filter F are the integral packaging structure realized by LTCC technology.
Model WSD000080-01 of the digital pad WSD modules.
A kind of Stepped Impedance loading capacitance type digital filter attenuator described in the utility model, using LTCC technology,
Realize good small volume, high lightweight, reliability, excellent electrical property, simple structure, high yield rate, batch concordance, low cost,
The stable new construction Stepped Impedance loading capacitance type digital filter attenuator of temperature performance；This utility model is by by numeral
Attenuator does integrated design with LTCC wave filter, and its pin has reserved on dielectric-slab, finally effectively saves space, carries
The high integrated rate of device；Realize double item functions, the i.e. digital pad with filter function simultaneously in the form of single-chip, can be big
The advantages of batch production, satellite communication etc. have the occasion and phase of rigors to volume, electrical property, temperature stability and reliability
In the system answered.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of wave filter F of the present utility model；
Fig. 3 is strip line layer structural representation of the present utility model.
Specific embodiment
A kind of Stepped Impedance loading capacitance type digital filter attenuator as Figure 1-3, including digital pad WSD
With wave filter F, the upper surface of wave filter F is provided with digital pad WSD, strip line Rin and strip line Rout, strip line Rin and
Strip line Rout is all connected with digital pad WSD, and the left surface of wave filter F is interval with input P1 and defeated from front to back successively
Go out and hold P2, the trailing flank of wave filter F is interval with control end P3, control end P4, control end P5, control end from left to right successively
P6, control end P7 and control end P8, control end P3, control end P4, control end P5, control end P6, control end P7 and control end P8
Digital pad WSD is all connected with, strip line Rin is also connected with input P1, and the right flank of wave filter F is set from rear to front interval successively
There is free end P9 and free end P10；
Wave filter F includes that the first ground plane, the first capacitor layers, strip line layer, zigzag configuration layer, the second capacitor layers, second connect
Stratum, through hole Via1, through hole Via2, through hole Via3, through hole Via4, through hole Via5 and through hole Via6, it is the first ground plane, first electric
Hold layer, strip line layer, zigzag configuration layer, the second capacitor layers and the second ground plane to set gradually from top to bottom, on the first ground plane
Earth plate SD1 is provided with, the second ground plane is provided with earth plate SD2；
Be interval with electric capacity C1 and electric capacity C2 in first capacitor layers from left to right successively, in the second capacitor layers from left to right according to
Minor tick is provided with electric capacity C3 and electric capacity C4；
Strip line layer is provided with input inductance Lin1, outputting inductance Lout, strip line T1, strip line T2, strip line T3, band
Shape line T4 and input inductance Lin2, strip line T1, strip line T2, strip line T3 and strip line T4 are for interval sets successively from left to right
Put, the left side of strip line T1 is provided with input inductance Lin1 and outputting inductance Lout, be input into inductance Lin1 back be interval with it is defeated
Go out inductance Lout, on the right of strip line T4, be provided with input inductance Lin2；
Strip line T1 includes strip line T11 and strip line T12, and the width of strip line T11 is not less than the width of strip line T12
Degree, strip line T21 and strip line T22 are from rear to front setting, the rear end connection outputting inductance Lout of strip line T11, strip line
The front end of T11 connects the rear end of strip line T12, and the front end of strip line T12 is hanging setting, and the rear end of strip line T11 also passes through
Through hole Via5 connects electric capacity C3；
Strip line T2 includes strip line T21 and strip line T22, and the width of strip line T22 is not less than the width of strip line T21
Degree, strip line T21 and strip line T22 are that the rear end of strip line T21 is hanging setting, before strip line T21 from rear to front setting
The rear end of end connection strip line T22, the front end of strip line T22 connects electric capacity C1 by through hole Via3；
Strip line 3 includes strip line T31 and strip line T32, and the width of strip line T32 is not less than the width of strip line T31,
Strip line T31 and strip line T32 are that the rear end of strip line T31 is hanging setting, the front end of strip line T31 from rear to front setting
The rear end of connection strip line T32, the front end of strip line T32 connect electric capacity C4 by through hole Via6；
Strip line T4 includes strip line T41 and strip line T42, and the width of strip line T41 is not less than the width of strip line T42
Degree, strip line T41 and strip line T42 are from rear to front setting, the rear end connection input inductance Lin2 of strip line T41, strip line
The front end of T41 connects the rear end of strip line T42, and the front end of strip line T42 is hanging setting, and the rear end of strip line T41 also passes through
Through hole Via4 connects electric capacity C2；
Zigzag configuration layer is provided with Z-shaped strip line Z；
Input inductance Lin2 also connects strip line Rout by through hole Via2, and input inductance Lin1 is also connected with input P1,
Outputting inductance Lout is also connected with output port P2.
The input P1 and output port P2 are the port of 50 ohmages of coplanar waveguide structure.
It is the input P1, the outfan P2, control end P3, control end P4, control end P5, described
Control end P6, control end P7, control end P8, the free end P9 and the free end P10 are outer enclosure and draw
Foot.
It is the input P1, the outfan P2, control end P3, control end P4, control end P5, described
The upper end of control end P6, control end P7, control end P8, the free end P9 and the free end P10 is all provided with oriented
The bending part that the side of wave filter F upper surfaces extends, the input P1, the outfan P2, control end P3, the control
End P4 processed, control end P5, control end P6, control end P7, control end P8, the free end P9 and described
The lower end of free end P10 is all provided with the bending part that the side of orientational filter F lower surfaces extends.
Both the digital pad WSD and the wave filter F are the integral packaging structure realized by LTCC technology.
Model WSD000080-01 of the digital pad WSD modules.
During work, signal is entered from input P1, and input inductance Lin1 and through hole Via1 reaches digital pad WSD,
Then signal passes through strip line Rout and through hole Via2 arrival filter input end input inductance Lin2, and last signal is from output electricity
Sense Lout is sent to outfan P2 outputs.
A kind of Stepped Impedance loading capacitance type digital filter attenuator described in the utility model, using LTCC technology,
Realize good small volume, high lightweight, reliability, excellent electrical property, simple structure, high yield rate, batch concordance, low cost,
The stable new construction Stepped Impedance loading capacitance type digital filter attenuator of temperature performance；This utility model is by by numeral
Attenuator does integrated design with LTCC wave filter, and its pin has reserved on dielectric-slab, finally effectively saves space, carries
The high integrated rate of device；Realize double item functions, the i.e. digital pad with filter function simultaneously in the form of single-chip, can be big
The advantages of batch production, satellite communication etc. have the occasion and phase of rigors to volume, electrical property, temperature stability and reliability
In the system answered.
Claims (6)
1. a kind of Stepped Impedance loading capacitance type digital filter attenuator, it is characterised in that：Including digital pad WSD and filter
The upper surface of ripple device F, wave filter F is provided with digital pad WSD, strip line Rin and strip line Rout, strip line Rin and banding
Line Rout is all connected with digital pad WSD, and the left surface of wave filter F is interval with input P1 and outfan from front to back successively
The trailing flank of P2, wave filter F is interval with control end P3, control end P4, control end P5, control end P6, control from left to right successively
End P7 processed and control end P8, control end P3, control end P4, control end P5, control end P6, control end P7 and control end P8 are all connected with
Digital pad WSD, strip line Rin are also connected with input P1, and the right flank of wave filter F is interval with vacantly successively from rear to front
End P9 and free end P10；
Wave filter F includes the first ground plane, the first capacitor layers, strip line layer, zigzag configuration layer, the second capacitor layers, the second ground connection
Layer, through hole Via1, through hole Via2, through hole Via3, through hole Via4, through hole Via5 and through hole Via6, the first ground plane, the first electric capacity
Layer, strip line layer, zigzag configuration layer, the second capacitor layers and the second ground plane are set on the first ground plane to set gradually from top to bottom
There is earth plate SD1, the second ground plane is provided with earth plate SD2；
Be interval with electric capacity C1 and electric capacity C2 in first capacitor layers from left to right successively, in the second capacitor layers from left to right successively between
Every being provided with electric capacity C3 and electric capacity C4；
Strip line layer is provided with input inductance Lin1, outputting inductance Lout, strip line T1, strip line T2, strip line T3, strip line
T4 and input inductance Lin2, strip line T1, strip line T2, strip line T3 and strip line T4 are interval setting successively from left to right,
The left side of strip line T1 is provided with input inductance Lin1 and outputting inductance Lout, and the back for being input into inductance Lin1 is interval with output electricity
Sense Lout, is provided with input inductance Lin2 on the right of strip line T4；
Strip line T1 includes strip line T11 and strip line T12, and the width of strip line T11 is not less than the width of strip line T12, band
Shape line T21 and strip line T22 are that, from rear to front setting, the rear end of strip line T11 connects outputting inductance Lout, strip line T11's
Front end connects the rear end of strip line T12, and the front end of strip line T12 is hanging setting, and the rear end of strip line T11 also passes through through hole
Via5 connects electric capacity C3；
Strip line T2 includes strip line T21 and strip line T22, and the width of strip line T22 is not less than the width of strip line T21, band
Shape line T21 and strip line T22 are that the rear end of strip line T21 is hanging setting, and the front end of strip line T21 connects from rear to front setting
The rear end of strip line T22 is connect, the front end of strip line T22 connects electric capacity C1 by through hole Via3；
Strip line 3 includes strip line T31 and strip line T32, and the width of strip line T32 is not less than the width of strip line T31, banding
Line T31 and strip line T32 are that the rear end of strip line T31 is hanging setting, and the front end of strip line T31 connects from rear to front setting
The rear end of strip line T32, the front end of strip line T32 connect electric capacity C4 by through hole Via6；
Strip line T4 includes strip line T41 and strip line T42, and the width of strip line T41 is not less than the width of strip line T42, band
Shape line T41 and strip line T42 are that, from rear to front setting, the rear end connection of strip line T41 is input into inductance Lin2, strip line T41's
Front end connects the rear end of strip line T42, and the front end of strip line T42 is hanging setting, and the rear end of strip line T41 also passes through through hole
Via4 connects electric capacity C2；
Zigzag configuration layer is provided with Z-shaped strip line Z；
Input inductance Lin2 also connects strip line Rout by through hole Via2, and input inductance Lin1 is also connected with input P1, exports
Inductance Lout is also connected with output port P2.
2. a kind of Stepped Impedance loading capacitance type digital filter attenuator as claimed in claim 1, it is characterised in that：It is described
Input P1 and output port P2 are the port of 50 ohmages of coplanar waveguide structure.
3. a kind of Stepped Impedance loading capacitance type digital filter attenuator as claimed in claim 1, it is characterised in that：It is described
Input P1, the outfan P2, control end P3, control end P4, control end P5, control end P6, institute
State control end P7, control end P8, the free end P9 and the free end P10 and be external package leads.
4. a kind of Stepped Impedance loading capacitance type digital filter attenuator as claimed in claim 1, it is characterised in that：It is described
Input P1, the outfan P2, control end P3, control end P4, control end P5, control end P6, institute
The upper end for stating control end P7, control end P8, the free end P9 and the free end P10 is all provided with orientational filter F upper tables
The bending part that the side in face extends, it is the input P1, the outfan P2, control end P3, control end P4, described
Control end P5, control end P6, control end P7, control end P8, the free end P9 and the free end P10's
Lower end is all provided with the bending part that the side of orientational filter F lower surfaces extends.
5. a kind of Stepped Impedance loading capacitance type digital filter attenuator as claimed in claim 1, it is characterised in that：It is described
Both digital pad WSD and the wave filter F are the integral packaging structure realized by LTCC technology.
6. a kind of Stepped Impedance loading capacitance type digital filter attenuator as claimed in claim 1, it is characterised in that：It is described
Model WSD000080-01 of digital pad WSD modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620976381.1U CN206059603U (en) | 2016-08-28 | 2016-08-28 | A kind of Stepped Impedance loading capacitance type digital filter attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620976381.1U CN206059603U (en) | 2016-08-28 | 2016-08-28 | A kind of Stepped Impedance loading capacitance type digital filter attenuator |
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| CN206059603U true CN206059603U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620976381.1U Withdrawn - After Issue CN206059603U (en) | 2016-08-28 | 2016-08-28 | A kind of Stepped Impedance loading capacitance type digital filter attenuator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207337A (en) * | 2016-08-28 | 2016-12-07 | 戴永胜 | A kind of Stepped Impedance loading capacitance type digital filter attenuator |
| CN107611538A (en) * | 2017-08-21 | 2018-01-19 | 南京理工大学 | A kind of distributed stripline numerical control attenuation wave filter |
| CN108767379A (en) * | 2017-06-07 | 2018-11-06 | 深圳市永盛微波技术有限公司 | A kind of miniature T shapes staircase resonant impedance capacitance loaded type triplexer |
-
2016
- 2016-08-28 CN CN201620976381.1U patent/CN206059603U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207337A (en) * | 2016-08-28 | 2016-12-07 | 戴永胜 | A kind of Stepped Impedance loading capacitance type digital filter attenuator |
| CN106207337B (en) * | 2016-08-28 | 2020-01-14 | 深圳波而特电子科技有限公司 | Step impedance loading capacitance type digital filter attenuator |
| CN108767379A (en) * | 2017-06-07 | 2018-11-06 | 深圳市永盛微波技术有限公司 | A kind of miniature T shapes staircase resonant impedance capacitance loaded type triplexer |
| CN107611538A (en) * | 2017-08-21 | 2018-01-19 | 南京理工大学 | A kind of distributed stripline numerical control attenuation wave filter |
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Effective date of registration: 20170510 Address after: Two road 518101 Guangdong city of Shenzhen province Baoan District Shiyan Street Shilong Industrial community aucan Industrial Park No. 1 Building 8 Building 5 floor Patentee after: Shenzhen wonder Electronic Technology Co., Ltd. Address before: Tangshan street Yee Road Nanjing city Jiangsu province 210094 No. 588 kylin villa 28 unit 602 Co-patentee before: Chen Xiangzhi Patentee before: Dai Yongsheng Co-patentee before: Yang Maoya |
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