CN109786918A - A kind of novel one-to-two power splitter based on LTCC - Google Patents
A kind of novel one-to-two power splitter based on LTCC Download PDFInfo
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- CN109786918A CN109786918A CN201910147660.5A CN201910147660A CN109786918A CN 109786918 A CN109786918 A CN 109786918A CN 201910147660 A CN201910147660 A CN 201910147660A CN 109786918 A CN109786918 A CN 109786918A
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- balun
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- power splitter
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Abstract
The invention discloses a kind of novel one-to-two power splitter based on LTCC, belong to microwave technical field, the one-to-two power splitter is made of a reverse phase balun and a 180 degree phase shifter, is docked using one balance output end of reverse phase balun with 180 degree phase shifter inputs and is successfully realized two road power splitters；Reverse phase balun uses U-shaped line-slot line coupling configuration, and phase shifter realizes 180 degree phase shift by folded transmission lines.One-to-two power splitter of the invention is realized three-dimensionally integrated using low-temperature co-fired ceramics technology, with the advantages such as phase balance is good, insertion loss is low, return loss is big, integrated level is high, the coefficient of expansion is low, can be mass-produced, can be widely used in the circuits such as the frequency mixer, sensor, phase-detection of receiver.
Description
Technical field
The invention belongs to microwave technical fields, and in particular to a kind of novel one-to-two power splitter based on LTCC.
Background technique
Microwave and millimeter wave power splitter is modern microwave and the very important passive device of millimeter-wave communication system, is used for
Power is divided into several roads, very crucial effect is played to the performance of circuit system.One-to-two power splitter is a kind of common function
Rate forms of distribution, an input signal is divided into two constant amplitude in-phase signals by it.Balun is three-port network device, exports two
Constant amplitude inversion signal.Phase shifter can change amplitude characteristic of the phase of transmission signal without influencing signal.Using balun and 180
Degree phase shifter cascade can realize one-to-two power splitter.By balun and phase shifter Integrated design at power splitter, not only can reduce
Circuit volume reduces processing cost, and can reduce loss, improves communication performance.Power splitter is typically used in the mixed of receiver
It is a kind of indispensable microwave device in the circuits such as frequency device, sensor, phase-detection.
LTCC (Low Temperature Co-fired Ceramic) technology is the letter of LTCC Technology
Claim, be a kind of new material technology that Hughes Electronics develops in nineteen eighty-two, which is common burning porcelain multi-chip module (MCM-C)
One of multilayer wiring type matrix technique.It is within the temperature range of 800~950 °, to contain conductive pattern and company
The laminated ceramic chips for connecting hole carry out exactitude position and laminate, then common sintering, and substrate surface can by borehole or
Surface Mount installs other chip components, an entirety is connected by via hole and internal passive device, so as to realize high wiring
Microwave and millimeter wave multilayer device, component and the system of density, high integration and high performance characteristics.
Summary of the invention
The purpose of the present invention is to provide a kind of novel one-to-two power splitter based on LTCC, passes through low-temperature co-fired ceramics
(LTCC) three-dimensional integration technology is realized, with phase balance is good, insertion loss is low, return loss is big, integrated level is high, expansion system
The advantages such as number is low, can be mass-produced.
Realize the technical solution of the object of the invention are as follows: a kind of novel one-to-two power splitter based on LTCC, including input terminal
Mouth, the first output port, second output terminal mouth, ground plane, input connecting line, input connecting column, medium box, balun first segment
U-shaped coupling line, balun second segment U-shaped coupling line, the balun coupling line of rabbet joint and phase shift folded transmission lines；
Balun first segment U-shaped coupling line front and back identical as balun second segment U-shaped coupled line structure is symmetrical, balun first segment U
Shape coupling line is located at balun with balun second segment U-shaped coupling line and couples above the line of rabbet joint, and the balun coupling line of rabbet joint is located on ground plane；It is defeated
Inbound port is connected with one end of input connecting line, and the other end for inputting connecting line is connected by inputting connecting column with ground plane, bar
One end of human relations first segment U-shaped coupling line is opened a way, and the other end is connected with one end of phase shift folded transmission lines, phase shift folded transmission lines
The other end is connected with the first output port, one end open circuit of balun second segment U-shaped coupling line, the other end and second output terminal mouth phase
Even.
Compared with prior art, remarkable advantage of the invention are as follows: the present invention uses low-temperature co-fired ceramics (LTCC) technique skill
Art realization is three-dimensionally integrated, with phase balance is good, insertion loss is low, return loss is big, integrated level is high, the coefficient of expansion is low, can
The advantages such as mass production, can be widely used in the circuits such as the frequency mixer, sensor, phase-detection of receiver.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the novel one-to-two power splitter based on LTCC of the present invention.
Fig. 2 is a kind of top view of the novel one-to-two power splitter based on LTCC of the present invention.
Fig. 3 is a kind of insertion loss curve graph of the novel one-to-two power splitter based on LTCC of the present invention.
Fig. 4 is a kind of phase balance curve graph of the novel one-to-two power splitter based on LTCC of the present invention.
Fig. 5 is a kind of return loss plot figure of the novel one-to-two power splitter based on LTCC of the present invention.
Specific embodiment
In conjunction with Fig. 1, Fig. 2, a kind of novel one-to-two power splitter based on LTCC is 50 ohm defeated including characteristic impedance
Inbound port INPUT, the first output port OUTPUT1 and second output terminal mouth OUTPUT2, it ground plane GND, inputs connecting line L, is defeated
Enter connecting column H, medium box BOX, balun first segment U-shaped coupling line BL1, balun second segment U-shaped coupling line BL2, balun coupling
Line of rabbet joint BL3, phase shift folded transmission lines PL.
Balun first segment U-shaped coupling line BL1 is identical as balun second segment U-shaped coupling line BL2 structure, and front and back is symmetrical, balun
One section of U-shaped coupling line BL1 is located at balun with balun second segment U-shaped coupling line BL2 and couples above line of rabbet joint BL3, and balun couples the line of rabbet joint
BL3 is located on ground plane GND.The input port INPUT that characteristic impedance is 50 ohm is connected with one end of input connecting line L, defeated
The other end for entering connecting line L is connected by inputting connecting column H with ground plane GND, one end of balun first segment U-shaped coupling line BL1
Open circuit, the other end are connected with one end of phase shift folded transmission lines PL, the other end and the first output end of phase shift folded transmission lines PL
Mouth OUTPUT1 is connected, one end open circuit of balun second segment U-shaped coupling line BL2, the other end and second output terminal mouth OUTPUT2 phase
Even.
Input port INPUT, the first output port OUTPUT1, second output terminal mouth OUTPUT2, ground plane GND, input
Connecting line L, input connecting column H, medium box BOX, balun first segment U-shaped coupling line BL1, balun second segment U-shaped coupling line
BL2, balun coupling line of rabbet joint BL3, phase shift folded transmission lines PL pass through the realization of low-temperature co-fired ceramics LTCC technology.Balun coupling
Line of rabbet joint BL3 is closed to realize by and ground plane GND is etched.
The present invention realizes that stereoscopic three-dimensional is integrated by low-temperature co-fired ceramics LTCC technology, has stability height, encapsulation
The advantages that density is strong, production yield rate is high, production cost is low, anti-adverse environment ability is strong.
One-to-two power splitter of the invention is made of a reverse phase balun and a 180 degree phase shifter, utilizes reverse phase balun
One balance output end is docked with 180 degree phase shifter inputs successfully realizes two road power splitters.Reverse phase balun uses U-shaped line-slot
Line coupled structure, phase shifter realize 180 degree phase shift by folded transmission lines.
In present embodiment, the size of one-to-two power splitter is 10mm × 7mm × 1.5mm, working frequency be 6.2GHz~
6.8GHz can be seen that the insertion loss of the one-to-two power splitter better than 0.5dB, phase balance from Fig. 3, Fig. 4 and Fig. 5
Better than 1 °, return loss is better than 25dB.
Claims (4)
1. a kind of novel one-to-two power splitter based on LTCC, which is characterized in that including input port (INPUT), the first output
Port (OUTPUT1), second output terminal mouth (OUTPUT2), ground plane (GND), input connecting line (L), input connecting column (H),
Medium box (BOX), balun first segment U-shaped coupling line (BL1), balun second segment U-shaped coupling line (BL2), balun couple the line of rabbet joint
(BL3) and phase shift folded transmission lines (PL)；
Balun first segment U-shaped coupling line (BL1) front and back identical as balun second segment U-shaped coupling line (BL2) structure is symmetrical, balun
One section of U-shaped coupling line (BL1) is located at balun with balun second segment U-shaped coupling line (BL2) and couples above the line of rabbet joint (BL3), balun coupling
The line of rabbet joint (BL3) is closed to be located on ground plane (GND)；Input port (INPUT) is connected with one end of input connecting line (L), and input connects
The other end of wiring (L) is connected by inputting connecting column (H) with ground plane (GND), balun first segment U-shaped coupling line (BL1)
One end open circuit, the other end is connected with the one end of phase shift folded transmission lines (PL), the other end of phase shift folded transmission lines (PL) and the
One output port (OUTPUT1) is connected, one end open circuit of balun second segment U-shaped coupling line (BL2), the other end and second output terminal
Mouth (OUTPUT2) is connected.
2. the novel one-to-two power splitter according to claim 1 based on LTCC, which is characterized in that input port
(INPUT), the first output port (OUTPUT1), second output terminal mouth (OUTPUT2), ground plane (GND), input connecting line
(L), connecting column (H), medium box (BOX), balun first segment U-shaped coupling line (BL1), balun second segment U-shaped coupling line are inputted
(BL2), the balun coupling line of rabbet joint (BL3), phase shift folded transmission lines (PL) are real by low-temperature co-fired ceramics (LTCC) technology
It is existing.
3. the novel one-to-two power splitter according to claim 1 or 2 based on LTCC, which is characterized in that input port
(INPUT), the characteristic impedance of the first output port (OUTPUT1) and second output terminal mouth (OUTPUT2) is 50 ohm.
4. the novel one-to-two power splitter according to claim 1 or 2 based on LTCC, which is characterized in that balun coupling slot
Line (BL3) is realized by and ground plane (GND) is etched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147660.5A CN109786918A (en) | 2019-02-27 | 2019-02-27 | A kind of novel one-to-two power splitter based on LTCC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147660.5A CN109786918A (en) | 2019-02-27 | 2019-02-27 | A kind of novel one-to-two power splitter based on LTCC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109786918A true CN109786918A (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910147660.5A Pending CN109786918A (en) | 2019-02-27 | 2019-02-27 | A kind of novel one-to-two power splitter based on LTCC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422189A (en) * | 2021-05-07 | 2021-09-21 | 中国科学院空天信息创新研究院 | Power divider with port phase shift, design method thereof and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151863A1 (en) * | 2002-02-13 | 2003-08-14 | Loren Ralph | Power splitter having counter rotating circuit lines |
| US20140091880A1 (en) * | 2007-12-21 | 2014-04-03 | Alexandre Dupuy | Power combiners and dividers based on composite right and left handed metamaterial structures |
| CN105070988A (en) * | 2015-08-07 | 2015-11-18 | 南京理工大学 | S-waveband power dividing filter based on low-temperature co-fired ceramic (LTCC) |
| CN107546445A (en) * | 2017-08-21 | 2018-01-05 | 南京理工大学 | A kind of 180 ° of phase shifters of LTCC bilayers miniature broadband |
| CN108777345A (en) * | 2017-06-07 | 2018-11-09 | 深圳市永盛微波技术有限公司 | A kind of ultra wide band balun based on novel LTCC structure |
| CN109687081A (en) * | 2018-12-13 | 2019-04-26 | 南京理工大学 | Novel 3dB180 degree plane electric bridge based on LTCC |
-
2019
- 2019-02-27 CN CN201910147660.5A patent/CN109786918A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151863A1 (en) * | 2002-02-13 | 2003-08-14 | Loren Ralph | Power splitter having counter rotating circuit lines |
| US20140091880A1 (en) * | 2007-12-21 | 2014-04-03 | Alexandre Dupuy | Power combiners and dividers based on composite right and left handed metamaterial structures |
| CN105070988A (en) * | 2015-08-07 | 2015-11-18 | 南京理工大学 | S-waveband power dividing filter based on low-temperature co-fired ceramic (LTCC) |
| CN108777345A (en) * | 2017-06-07 | 2018-11-09 | 深圳市永盛微波技术有限公司 | A kind of ultra wide band balun based on novel LTCC structure |
| CN107546445A (en) * | 2017-08-21 | 2018-01-05 | 南京理工大学 | A kind of 180 ° of phase shifters of LTCC bilayers miniature broadband |
| CN109687081A (en) * | 2018-12-13 | 2019-04-26 | 南京理工大学 | Novel 3dB180 degree plane electric bridge based on LTCC |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422189A (en) * | 2021-05-07 | 2021-09-21 | 中国科学院空天信息创新研究院 | Power divider with port phase shift, design method thereof and electronic equipment |
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