CN106330124A - Symmetrical distributed inductance load type filter - Google Patents
Symmetrical distributed inductance load type filter Download PDFInfo
- Publication number
- CN106330124A CN106330124A CN201610763134.8A CN201610763134A CN106330124A CN 106330124 A CN106330124 A CN 106330124A CN 201610763134 A CN201610763134 A CN 201610763134A CN 106330124 A CN106330124 A CN 106330124A
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- China
- Prior art keywords
- wave filter
- inductance
- electric capacity
- filter
- coupling capacitor
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/0085—Multilayer, e.g. LTCC, HTCC, green sheets
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Abstract
The invention discloses a symmetrical distributed inductance load type filter and belongs to the technical field of filters. The symmetrical distributed inductance load type filter comprises an earth plate G1, an output port P1, a first filter, a second filter, a cross-coupling capacitor X1, a third filter, a fourth filter, an inductance L5, a fifth filter, a sixth filter, a cross-coupling capacitor X2, a seventh filter, an eighth filter and an input port P2. Through adoption of an LTCC technology, a new structure of the symmetrical distributed inductance load type filter has the advantages of small volume, light weight, high reliability, excellent electrical property, simple structure, high rate of finished products, good batch consistency, low cost and stable temperature performance.
Description
Technical field
The invention belongs to wave filter technology field.
Background technology
In recent years, along with the developing rapidly of miniaturization of mobile communication, satellite communication and Defensive Avionics System, high-performance,
Low cost and miniaturization have become as the developing direction of microwave current/RF application, to the performance of microwave filter, size, can
All have higher requirement by property and cost.In some national defence tip device, duplexer have become as this band reception and
Critical electronic parts 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, uses multi-layer ceramics technology, it is possible to be built in by passive element
Inside medium substrate, active component can also be mounted on substrate surface makes passive/active integrated functional module simultaneously.
LTCC technology is at cost, integration packaging, wiring live width and distance between centers of tracks, low impedance metal, design diversity and motility and height
Frequently the aspect such as performance all shows many merits, it has also become the mainstream technology of passive integration.It has high q-factor, it is simple to embedded nothing
Source device, thermal diffusivity is good, and reliability is high, high temperature resistant, rushes the advantages such as shake, utilizes LTCC technology, can well process size
Little, precision is high, and tight type is good, and little microwave device is lost.
Summary of the invention
It is an object of the invention to provide a kind of symmetric distributed inductance loaded type wave filter, use LTCC technology, it is achieved body
Long-pending little, lightweight, reliability is high, excellent electrical property, simple in construction, yield rate high, concordance is good in batches, cost is low, stability
The new construction symmetric distributed inductance loaded type wave filter that energy is stable.
For achieving the above object, the present invention is by the following technical solutions:
A kind of symmetric distributed inductance loaded type wave filter, including earth plate G1, output port P1, the first wave filter, the
Two wave filter, cross coupling capacitor X1, the 3rd wave filter, the 4th wave filter, inductance L5, the 5th wave filter, the 6th wave filter, friendship
Fork coupling electric capacity X2, the 7th wave filter, the 8th wave filter and input port P2, described a kind of symmetric distributed inductance loaded type filter
The left side of ripple device is provided with described output port P1, and the right of described a kind of symmetric distributed inductance loaded type wave filter is provided with described
Input port P2, the back of described a kind of symmetric distributed inductance loaded type wave filter is provided with described earth plate G1, described ground connection
Plate G1 is for being vertically arranged；
Described cross coupling capacitor X1 is generally aligned in the same plane with described cross coupling capacitor X2, described first wave filter, institute
State the 4th wave filter, described 5th wave filter, described 7th wave filter and described inductance L5 to be generally aligned in the same plane, described second filter
Ripple device, described 3rd wave filter, described 6th wave filter and described 8th wave filter are generally aligned in the same plane；
Described cross coupling capacitor X1 and described cross coupling capacitor X2 is for being spaced setting the most successively；Described intersection
Coupling electric capacity X1 is interval with described second wave filter and described 3rd wave filter below the most successively；
Described second wave filter includes that inductance L2 and electric capacity C2, inductance L2 are positioned at the front of electric capacity C2, and inductance L2 connects electricity
Hold C2；
Described second wave filter be provided with described first wave filter below, described first wave filter includes inductance L1 and electric capacity
C1, inductance L1 are positioned at the front of electric capacity C1, and inductance L1 connects electric capacity C1, and described first wave filter connects described defeated by microstrip line
Go out port P1；
Described 3rd wave filter includes that inductance L3 and electric capacity C3, inductance L3 are positioned at the front of electric capacity C3, and inductance L3 connects electricity
Hold C3；
Described 3rd wave filter be provided with described 4th wave filter below, described 4th wave filter includes inductance L4 and electric capacity
C4, inductance L4 are positioned at the front of electric capacity C4, and inductance L4 connects electric capacity C4, and the right of described 4th wave filter is provided with inductance L5, electricity
Sense L5 connects inductance L4；
The right of inductance L5 is provided with described 5th wave filter, and described 5th wave filter includes inductance L24 and electric capacity C24, electricity
Sense L24 is positioned at the front of electric capacity C24, and inductance L24 connects electric capacity C24；
The top of described 5th wave filter is provided with described 6th wave filter, and described 6th wave filter includes inductance L23 and electricity
Holding C23, inductance L23 and be positioned at the front of electric capacity C23, inductance L23 connects electric capacity C23；
The right of described 6th wave filter is provided with described 7th wave filter, and described 7th wave filter includes inductance L22 and electricity
Holding C22, inductance L22 and be positioned at the front of electric capacity C22, inductance L22 connects electric capacity C22；
Described 7th wave filter be provided with described 8th wave filter below, described 8th wave filter includes inductance L21 and electricity
Holding C21, inductance L21 and be positioned at the front of electric capacity C21, inductance L21 connects electric capacity C21, described inductance L21 and connects input port P2；
The top of described 6th wave filter and described 7th wave filter is provided with described cross coupling capacitor X2.
Described input port P2 and output port P1 is the port of 50 ohmages of coplanar waveguide structure.
Described a kind of symmetric distributed inductance loaded type wave filter is made up of multilamellar LTCC technique.
A kind of symmetric distributed inductance loaded type wave filter of the present invention, uses LTCC technology, it is achieved volume is little, weight
Amount is light, reliability height, excellent electrical property, simple in construction, yield rate are high, concordance is good in batches, cost is low, temperature performance is stable
New construction symmetric distributed inductance loaded type wave filter；The present invention is lightweight, volume is little, reliability is high, good electrical property, temperature are steady
Qualitative good, electrical property batch concordance is good, low cost, the advantage such as can be mass-produced, satellite communication etc. to volume, electrical property,
Temperature stability and reliability have in occasion and the corresponding system of rigors.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
A kind of symmetric distributed inductance loaded type wave filter as shown in Figure 1, including earth plate G1, output port P1,
One wave filter, the second wave filter, cross coupling capacitor X1, the 3rd wave filter, the 4th wave filter, inductance L5, the 5th wave filter,
Six wave filter, cross coupling capacitor X2, the 7th wave filter, the 8th wave filter and input port P2, described a kind of symmetric distributed
The left side of inductance loaded type wave filter is provided with described output port P1, described a kind of symmetric distributed inductance loaded type wave filter
The right is provided with described input port P2, and the back of described a kind of symmetric distributed inductance loaded type wave filter is provided with described earth plate
G1, described earth plate G1 is for being vertically arranged；
Described cross coupling capacitor X1 is generally aligned in the same plane with described cross coupling capacitor X2, described first wave filter, institute
State the 4th wave filter, described 5th wave filter, described 7th wave filter and described inductance L5 to be generally aligned in the same plane, described second filter
Ripple device, described 3rd wave filter, described 6th wave filter and described 8th wave filter are generally aligned in the same plane；
Described cross coupling capacitor X1 and described cross coupling capacitor X2 is for being spaced setting the most successively；Described intersection
Coupling electric capacity X1 is interval with described second wave filter and described 3rd wave filter below the most successively；
Described second wave filter includes that inductance L2 and electric capacity C2, inductance L2 are positioned at the front of electric capacity C2, and inductance L2 connects electricity
Hold C2；
Described second wave filter be provided with described first wave filter below, described first wave filter includes inductance L1 and electric capacity
C1, inductance L1 are positioned at the front of electric capacity C1, and inductance L1 connects electric capacity C1, and described first wave filter connects described defeated by microstrip line
Go out port P1；
Described 3rd wave filter includes that inductance L3 and electric capacity C3, inductance L3 are positioned at the front of electric capacity C3, and inductance L3 connects electricity
Hold C3；
Described 3rd wave filter be provided with described 4th wave filter below, described 4th wave filter includes inductance L4 and electric capacity
C4, inductance L4 are positioned at the front of electric capacity C4, and inductance L4 connects electric capacity C4, and the right of described 4th wave filter is provided with inductance L5, electricity
Sense L5 connects inductance L4；
The right of inductance L5 is provided with described 5th wave filter, and described 5th wave filter includes inductance L24 and electric capacity C24, electricity
Sense L24 is positioned at the front of electric capacity C24, and inductance L24 connects electric capacity C24；
The top of described 5th wave filter is provided with described 6th wave filter, and described 6th wave filter includes inductance L23 and electricity
Holding C23, inductance L23 and be positioned at the front of electric capacity C23, inductance L23 connects electric capacity C23；
The right of described 6th wave filter is provided with described 7th wave filter, and described 7th wave filter includes inductance L22 and electricity
Holding C22, inductance L22 and be positioned at the front of electric capacity C22, inductance L22 connects electric capacity C22；
Described 7th wave filter be provided with described 8th wave filter below, described 8th wave filter includes inductance L21 and electricity
Holding C21, inductance L21 and be positioned at the front of electric capacity C21, inductance L21 connects electric capacity C21, described inductance L21 and connects input port P2；
The top of described 6th wave filter and described 7th wave filter is provided with described cross coupling capacitor X2.
Described input port P2 and output port P1 is the port of 50 ohmages of coplanar waveguide structure.
Described a kind of symmetric distributed inductance loaded type wave filter is made up of multilamellar LTCC technique.
A kind of symmetric distributed inductance loaded type wave filter of the present invention, is to use multilamellar LTCC technique
Realizing, its low-temperature co-burning ceramic material and metallic pattern sinter at a temperature of about 900 DEG C and form, thus have the highest can
By property and temperature stability, owing to structure uses, 3 D stereo is integrated to be realized with multilayer folding structure and outer surface metallic shield
Ground connection and encapsulation, so that volume significantly reduces.
A kind of symmetric distributed inductance loaded type wave filter of the present invention, uses LTCC technology, it is achieved volume is little, weight
Amount is light, reliability height, excellent electrical property, simple in construction, yield rate are high, concordance is good in batches, cost is low, temperature performance is stable
New construction symmetric distributed inductance loaded type wave filter；The present invention is lightweight, volume is little, reliability is high, good electrical property, temperature are steady
Qualitative good, electrical property batch concordance is good, low cost, the advantage such as can be mass-produced, satellite communication etc. to volume, electrical property,
Temperature stability and reliability have in occasion and the corresponding system of rigors.
Claims (3)
1. a symmetric distributed inductance loaded type wave filter, it is characterised in that: include earth plate G1, output port P1, first
Wave filter, the second wave filter, cross coupling capacitor X1, the 3rd wave filter, the 4th wave filter, inductance L5, the 5th wave filter, the 6th
Wave filter, cross coupling capacitor X2, the 7th wave filter, the 8th wave filter and input port P2, described a kind of symmetric distributed electricity
The left side of sense loaded type wave filter is provided with described output port P1, the right side of described a kind of symmetric distributed inductance loaded type wave filter
While be provided with described input port P2, the back of described a kind of symmetric distributed inductance loaded type wave filter is provided with described earth plate
G1, described earth plate G1 is for being vertically arranged；
Described cross coupling capacitor X1 is generally aligned in the same plane with described cross coupling capacitor X2, described first wave filter, described
Four wave filter, described 5th wave filter, described 7th wave filter and described inductance L5 are generally aligned in the same plane, described second filtering
Device, described 3rd wave filter, described 6th wave filter and described 8th wave filter are generally aligned in the same plane；
Described cross coupling capacitor X1 and described cross coupling capacitor X2 is for being spaced setting the most successively；Described cross-couplings
Electric capacity X1 is interval with described second wave filter and described 3rd wave filter below the most successively；
Described second wave filter includes that inductance L2 and electric capacity C2, inductance L2 are positioned at the front of electric capacity C2, and inductance L2 connects electric capacity C2；
Described second wave filter be provided with described first wave filter below, described first wave filter includes inductance L1 and electric capacity C1,
Inductance L1 is positioned at the front of electric capacity C1, and inductance L1 connects electric capacity C1, and described first wave filter connects described output by microstrip line
Port P1；
Described 3rd wave filter includes that inductance L3 and electric capacity C3, inductance L3 are positioned at the front of electric capacity C3, and inductance L3 connects electric capacity C3；
Described 3rd wave filter be provided with described 4th wave filter below, described 4th wave filter includes inductance L4 and electric capacity C4,
Inductance L4 is positioned at the front of electric capacity C4, and inductance L4 connects electric capacity C4, and the right of described 4th wave filter is provided with inductance L5, inductance L5
Connect inductance L4；
The right of inductance L5 is provided with described 5th wave filter, and described 5th wave filter includes inductance L24 and electric capacity C24, inductance L24
Being positioned at the front of electric capacity C24, inductance L24 connects electric capacity C24；
The top of described 5th wave filter is provided with described 6th wave filter, and described 6th wave filter includes inductance L23 and electric capacity
C23, inductance L23 are positioned at the front of electric capacity C23, and inductance L23 connects electric capacity C23；
The right of described 6th wave filter is provided with described 7th wave filter, and described 7th wave filter includes inductance L22 and electric capacity
C22, inductance L22 are positioned at the front of electric capacity C22, and inductance L22 connects electric capacity C22；
Described 7th wave filter be provided with described 8th wave filter below, described 8th wave filter includes inductance L21 and electric capacity
C21, inductance L21 are positioned at the front of electric capacity C21, and inductance L21 connects electric capacity C21, described inductance L21 and connects input port P2；
The top of described 6th wave filter and described 7th wave filter is provided with described cross coupling capacitor X2.
2. a kind of symmetric distributed inductance loaded type wave filter as claimed in claim 1, it is characterised in that: described input port
P2 and output port P1 is the port of 50 ohmages of coplanar waveguide structure.
3. a kind of symmetric distributed inductance loaded type wave filter as claimed in claim 1, it is characterised in that: described a kind of symmetrical
Distributed inductance loaded type wave filter is made up of multilamellar LTCC technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763134.8A CN106330124A (en) | 2016-08-28 | 2016-08-28 | Symmetrical distributed inductance load type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763134.8A CN106330124A (en) | 2016-08-28 | 2016-08-28 | Symmetrical distributed inductance load type filter |
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| CN106330124A true CN106330124A (en) | 2017-01-11 |
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| CN201610763134.8A Pending CN106330124A (en) | 2016-08-28 | 2016-08-28 | Symmetrical distributed inductance load type filter |
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Citations (6)
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|---|---|---|---|---|
| CN102594283A (en) * | 2012-03-22 | 2012-07-18 | 南京理工大学常熟研究院有限公司 | Stop-band high-suppression cascade band-pass filter |
| CN102611407A (en) * | 2012-03-22 | 2012-07-25 | 南京理工大学常熟研究院有限公司 | Micro band-pass filter for suppressing Ku-band harmonic waves into millimeter waves |
| US20130344834A1 (en) * | 2010-12-28 | 2013-12-26 | Accent S.P.A. | Variable-gain mixer for a wireless receiver with current compensation |
| CN104966868A (en) * | 2015-06-29 | 2015-10-07 | 南京理工大学 | 3D integrated superminiature band pass filter |
| CN105048034A (en) * | 2015-06-29 | 2015-11-11 | 南京理工大学 | Low temperature co-fired ceramic (LTCC)-based switch type band-pass filter |
| CN206060699U (en) * | 2016-08-28 | 2017-03-29 | 戴永胜 | A kind of symmetric distributed inductance loads mode filter |
-
2016
- 2016-08-28 CN CN201610763134.8A patent/CN106330124A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130344834A1 (en) * | 2010-12-28 | 2013-12-26 | Accent S.P.A. | Variable-gain mixer for a wireless receiver with current compensation |
| CN102594283A (en) * | 2012-03-22 | 2012-07-18 | 南京理工大学常熟研究院有限公司 | Stop-band high-suppression cascade band-pass filter |
| CN102611407A (en) * | 2012-03-22 | 2012-07-25 | 南京理工大学常熟研究院有限公司 | Micro band-pass filter for suppressing Ku-band harmonic waves into millimeter waves |
| CN104966868A (en) * | 2015-06-29 | 2015-10-07 | 南京理工大学 | 3D integrated superminiature band pass filter |
| CN105048034A (en) * | 2015-06-29 | 2015-11-11 | 南京理工大学 | Low temperature co-fired ceramic (LTCC)-based switch type band-pass filter |
| CN206060699U (en) * | 2016-08-28 | 2017-03-29 | 戴永胜 | A kind of symmetric distributed inductance loads mode filter |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
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 Applicant 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 Applicant before: Dai Yongsheng Applicant before: Chen Xiangzhi Applicant before: Yang Maoya |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |