CN107181036A - A kind of ultra wide band balun based on LTCC new structures - Google Patents
A kind of ultra wide band balun based on LTCC new structures Download PDFInfo
- Publication number
- CN107181036A CN107181036A CN201710423282.XA CN201710423282A CN107181036A CN 107181036 A CN107181036 A CN 107181036A CN 201710423282 A CN201710423282 A CN 201710423282A CN 107181036 A CN107181036 A CN 107181036A
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- groove
- ground plane
- transmission line
- output port
- gnd1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
Abstract
The invention discloses a kind of ultra wide band balun based on LTCC new structures, belong to balun technical field, including input port Pin, input connecting lead wire Lin, connecting pole H, output port Pout1, output port Pout2, ground plane GND1, ground plane GND2, transmission line W1, transmission line W2, first groove C1, second groove C2, 3rd groove C3, 4th groove C4 and the 5th groove C5, solve traditional balun insertion loss big, passband fluctuation is big, working band is narrow, the problem of differential performance is poor, the present invention realizes three-dimensional integration using LTCC (LTCC) technology, and ultra wide band balun is realized using new structure, with filter with low insertion loss, working band is wide, differential performance is good, good match, it is stable and reliable for performance, the advantages of can be mass-produced.
Description
Technical field
The invention belongs to balun technical field, more particularly to a kind of ultra wide band balun based on LTCC new structures.
Background technology
With microwave communication techniques continuous renewal regenerate, microwave device towards miniaturization, broadband high speed development.Balun
As balance and non-balance converter, microwave system is widely used in, such as antenna, frequency mixer, frequency multiplier, in being microwave system
A kind of critical elements.Essentially, the function of balun is to realize the conversion between single-ended signal and differential signal.Balun is
Three port passive devices, the amplitude output signal that should meet two output ports is identical, phase difference 180 degree.The master of balun is described
Performance indications are wanted to include Insertion Loss, return loss, bandwidth of operation, differential performance etc..
The content of the invention
It is an object of the invention to provide a kind of ultra wide band balun based on LTCC new structures, traditional balun insertion is solved
The problem of loss is big, passband fluctuation is big, working band is narrow, differential performance is poor.
To achieve the above object, the present invention uses following technical scheme：
A kind of ultra wide band balun based on LTCC new structures, including input port Pin, input connecting lead wire Lin, connection
Post H, output port Pout1, output port Pout2, ground plane GND1, ground plane GND2, transmission line W1, transmission line W2, first
Groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5, ground plane the GND1 left side are provided with ground plane GND2, ground connection
Input port Pin is provided with the right of layer GND1, ground plane GND1 front is provided with output port Pout1, ground plane GND1 back
Provided with output port Pout2, ground plane GND1 top, which is provided with transmission line W1 and transmission line W2, ground plane GND1, is etched with the
One groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5；Connecting pole H and input port Pin for from left to right according to
Minor tick order is set；
Output port Pout1, transmission line W1, the 4th groove C4, connecting pole H, the second groove C2, transmission line W2 and output port
Pout2 is intervening sequences is set successively from front to back；
Transmission line W1 one end connection output port Pout1, other end open circuit, transmission line W2 one end connection output port
Pout2, other end open circuit；
5th groove C5 is located at transmission line W1 lower section, and the first groove C1 is located at transmission line W2 lower section；
3rd groove C3 is located between connecting pole H and input port Pin, the first groove of the second groove C2 one end connection C1, another
End connection the 3rd groove C3, the 4th groove C4 one end connect the 5th groove C5, and the other end connects the 3rd groove C3；
Binding post H upper end connects ground connection by inputting connecting lead wire Lin connections input port Pin, binding post H lower end
Layer GND1.
The input port Pin, output port Pout1 and output port Pout2 are the port of 50 ohm characteristic impedances.
The ground plane GND1 connections ground plane GND2.
The input port Pin, the input connecting lead wire Lin, the connecting pole H, the output port Pout1, institute
State output port Pout2, it is the ground plane GND1, the ground plane GND2, the transmission line W1, the transmission line W2, described
First groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5 are total to using LTCC low temperature
Burn ceramic technology and make processing.
A kind of ultra wide band balun based on LTCC new structures of the present invention, solves traditional balun insertion loss
Greatly, the problem of passband fluctuation is big, working band is narrow, differential performance is poor, the present invention is real using LTCC (LTCC) technology
Existing three-dimensional integration, and ultra wide band balun is realized using new structure, with filter with low insertion loss, working band be wide, differential performance is good
Good, good match, it is stable and reliable for performance, the advantages of can be mass-produced.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the top view of the present invention.
Embodiment
A kind of ultra wide band balun based on LTCC new structures, including input port Pin, input company as depicted in figs. 1 and 2
Connect lead Lin, connecting pole H, output port Pout1, output port Pout2, ground plane GND1, ground plane GND2, transmission line W1,
Transmission line W2, the first groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5, ground plane the GND1 left side are provided with connecing
Input port Pin is provided with the right of stratum GND2, ground plane GND1, ground plane GND1 front is provided with output port Pout1, ground connection
Layer GND1 back is provided with output port Pout2, and ground plane GND1 top is provided with transmission line W1 and transmission line W2, ground plane
The first groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5 are etched with GND1；Connecting pole H and input port
Pin is intervening sequences is set successively from left to right；
Output port Pout1, transmission line W1, the 4th groove C4, connecting pole H, the second groove C2, transmission line W2 and output port
Pout2 is intervening sequences is set successively from front to back；
Transmission line W1 one end connection output port Pout1, other end open circuit, transmission line W2 one end connection output port
Pout2, other end open circuit；
5th groove C5 is located at transmission line W1 lower section, and the first groove C1 is located at transmission line W2 lower section；
3rd groove C3 is located between connecting pole H and input port Pin, the first groove of the second groove C2 one end connection C1, another
End connection the 3rd groove C3, the 4th groove C4 one end connect the 5th groove C5, and the other end connects the 3rd groove C3；
Binding post H upper end connects ground connection by inputting connecting lead wire Lin connections input port Pin, binding post H lower end
Layer GND1.
The input port Pin, output port Pout1 and output port Pout2 are the port of 50 ohm characteristic impedances.
The ground plane GND1 connections ground plane GND2.
The input port Pin, the input connecting lead wire Lin, the connecting pole H, the output port Pout1, institute
State output port Pout2, it is the ground plane GND1, the ground plane GND2, the transmission line W1, the transmission line W2, described
First groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5 are total to using LTCC low temperature
Burn ceramic technology and make processing.
The transmission line W1 and transmission line W2 is U-shaped line, and the transmission line W1 and the U-shaped of transmission line W2 are opened
Mouth is opposite；
The present invention realizes three-dimensional integration using LTCC (LTCC) technology, therefore close with high encapsulation
The advantages of degree, high reliability, high finished product rate, low cost, lightweight.
The size of the present invention is 10mm × 2.2mm × 0.5mm, and working frequency is 6GHz~12GHz, and the present invention is in 6GHz-
Return loss is superior to 15dB in 12GHz frequency bands, and insertion loss is less than 1dB, and differential performance is good, 180 ° of phase difference (±
1 °), amplitude difference ± 0.5dB.
A kind of ultra wide band balun based on LTCC new structures of the present invention, solves traditional balun insertion loss
Greatly, the problem of passband fluctuation is big, working band is narrow, differential performance is poor, the present invention is real using LTCC (LTCC) technology
Existing three-dimensional integration, and ultra wide band balun is realized using new structure, with filter with low insertion loss, working band be wide, differential performance is good
Good, good match, it is stable and reliable for performance, the advantages of can be mass-produced.
Claims (4)
1. a kind of ultra wide band balun based on LTCC new structures, it is characterised in that：Draw including input port Pin, input connection
Line Lin, connecting pole H, output port Pout1, output port Pout2, ground plane GND1, ground plane GND2, transmission line W1, transmission
Line W2, the first groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5, ground plane the GND1 left side are provided with ground plane
Input port Pin is provided with the right of GND2, ground plane GND1, ground plane GND1 front is provided with output port Pout1, ground plane
GND1 back is provided with output port Pout2, and ground plane GND1 top is provided with transmission line W1 and transmission line W2, ground plane GND1
On be etched with the first groove C1, the second groove C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5；Connecting pole H and input port Pin are
Intervening sequences is set successively from left to right；
Output port Pout1, transmission line W1, the 4th groove C4, connecting pole H, the second groove C2, transmission line W2 and output port Pout2
For intervening sequences is set successively from front to back；
Transmission line W1 one end connection output port Pout1, other end open circuit, transmission line W2 one end connection output port
Pout2, other end open circuit；
5th groove C5 is located at transmission line W1 lower section, and the first groove C1 is located at transmission line W2 lower section；
3rd groove C3 is located between connecting pole H and input port Pin, and the second groove C2 one end connects the first groove C1, and the other end connects
The 3rd groove C3 is met, the 4th groove C4 one end connects the 5th groove C5, and the other end connects the 3rd groove C3；
Binding post H upper end connects ground plane by inputting connecting lead wire Lin connections input port Pin, binding post H lower end
GND1。
2. a kind of ultra wide band balun based on LTCC new structures as claimed in claim 1, it is characterised in that：The input
Mouth Pin, output port Pout1 and output port Pout2 are the port of 50 ohm characteristic impedances.
3. a kind of ultra wide band balun based on LTCC new structures as claimed in claim 1, it is characterised in that：The ground plane
The GND1 connections ground plane GND2.
4. a kind of ultra wide band balun based on LTCC new structures as claimed in claim 1, it is characterised in that：The input
Mouth Pin, the input connecting lead wire Lin, the connecting pole H, the output port Pout1, the output port Pout2, institute
State ground plane GND1, the ground plane GND2, the transmission line W1, the transmission line W2, the first groove C1, second groove
C2, the 3rd groove C3, the 4th groove C4 and the 5th groove C5 are made using LTCC LTCCs technology
Processing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423282.XA CN107181036A (en) | 2017-06-07 | 2017-06-07 | A kind of ultra wide band balun based on LTCC new structures |
| CN201810556451.1A CN108777345A (en) | 2017-06-07 | 2018-05-31 | A kind of ultra wide band balun based on novel LTCC structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710423282.XA CN107181036A (en) | 2017-06-07 | 2017-06-07 | A kind of ultra wide band balun based on LTCC new structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107181036A true CN107181036A (en) | 2017-09-19 |
Family
ID=59835497
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710423282.XA Pending CN107181036A (en) | 2017-06-07 | 2017-06-07 | A kind of ultra wide band balun based on LTCC new structures |
| CN201810556451.1A Pending CN108777345A (en) | 2017-06-07 | 2018-05-31 | A kind of ultra wide band balun based on novel LTCC structure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810556451.1A Pending CN108777345A (en) | 2017-06-07 | 2018-05-31 | A kind of ultra wide band balun based on novel LTCC structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802214A (en) * | 2018-12-25 | 2019-05-24 | 南京理工大学 | A kind of Novel ultra wide band power splitter based on LTCC |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786918A (en) * | 2019-02-27 | 2019-05-21 | 南京理工大学 | A kind of novel one-to-two power splitter based on LTCC |
| CN111106420B (en) * | 2019-11-22 | 2021-01-05 | 中国科学院电子学研究所 | Balun circuit of microstrip coplanar waveguide hybrid structure and design method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6982609B1 (en) * | 2002-05-15 | 2006-01-03 | Zeevo | System method and apparatus for a three-line balun with power amplifier bias |
| US20130285785A1 (en) * | 2012-04-13 | 2013-10-31 | Nano And Advanced Materials Institute Limited | Low temperature co-fired ceramic device and a method of manufacturing thereof |
| CN102856620B (en) * | 2012-08-29 | 2016-08-24 | 西安瓷芯电子科技有限责任公司 | A kind of balun using laminated construction |
| CN106469843A (en) * | 2015-08-20 | 2017-03-01 | 南京理工大学 | A kind of ultra wide band balun based on transition structure |
| CN105244582A (en) * | 2015-10-30 | 2016-01-13 | 南京理工大学 | Wideband balun based on microstrip line-slot structure |
-
2017
- 2017-06-07 CN CN201710423282.XA patent/CN107181036A/en active Pending
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2018
- 2018-05-31 CN CN201810556451.1A patent/CN108777345A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802214A (en) * | 2018-12-25 | 2019-05-24 | 南京理工大学 | A kind of Novel ultra wide band power splitter based on LTCC |
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| Publication number | Publication date |
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| CN108777345A (en) | 2018-11-09 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171208 Address after: 518000 Shenzhen City, Shenzhen, Guangdong province Nanshan District Nantou Street Shennan Avenue and the southeast corner of the front sea road, the coast age apartment West 1607 Applicant after: Shenzhen Yongsheng Microwave Technology Co., Ltd. Address before: No. three, No. eight, Yongfeng Avenue, Qinhuai District, Nanjing, Jiangsu Province, A401 A401 Applicant before: Sun Chao |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170919 |