CN202977683U - Ultra wideband high isolation power divider - Google Patents
Ultra wideband high isolation power divider Download PDFInfo
- Publication number
- CN202977683U CN202977683U CN 201220575071 CN201220575071U CN202977683U CN 202977683 U CN202977683 U CN 202977683U CN 201220575071 CN201220575071 CN 201220575071 CN 201220575071 U CN201220575071 U CN 201220575071U CN 202977683 U CN202977683 U CN 202977683U
- Authority
- CN
- China
- Prior art keywords
- impedance
- power divider
- output
- isolation
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Microwave Amplifiers (AREA)
Abstract
The utility model provides an ultra wideband high isolation power divider, relates to the field of electronic communication, and aims to solve the technical problems of decreased isolation index, limited bandwidth, large weight, low stability, high insertion loss and the like, which are caused by bandwidth increasement of the traditional wideband power divider. According to the utility model, 20 to 40 impedances are connected in series between an input end (1) and a first output end (2) to form a first impedance transformation section; impedances are connected in series between the input end (1) and a second output end (3) to form a second impedance transformation section, wherein the number and the impedance value of the impedances are the same as those of the impedances between the input end (1) and the first output end (2); and an isolation resistor (R) is cross-connected between the rear end of each impedance of the first impedance transformation section and the rear end of each impedance of the corresponding second impedance transformation section.
Description
Technical field
The utility model relates to electronic communication field, particularly a kind of ultra broadband high-isolation power divider.
Background technology
Develop rapidly along with modern electronic technology, the bandwidth of existing broadband power divider has been not enough to satisfy higher demand, and adopt conventional art inevitably can bring the many technical problems of degradation under the isolation index to increase bandwidth, also there are the following problems for existing broadband power divider simultaneously:
1. limited bandwidth;
2. weight is large;
3. consistency is poor, stability is low;
4. insertion loss is high.
Summary of the invention
The utility model is intended to solve traditional broadband power divider and exists and increase bandwidth and can bring that the decline of isolation index, limited bandwidth, weight are large, the low and insertion loss high-technology problem of stability, far surpasses general broadband power divider, the ultra broadband high-isolation power divider that lightweight, stability is high and insertion loss is low so that a kind of bandwidth to be provided.
The purpose of this utility model is achieved through the following technical solutions.
Ultra broadband high-isolation power divider of the present utility model is serially connected with 20-40 impedance between input 1 and output 1, consist of transformer section one; Be serially connected with between input 1 and output 23 with input 1 and output 1 between all identical impedances of impedance quantity and resistance value, consist of transformer section two; Between each impedance rear end of each impedance rear end of transformer section one and counterpart impedance transforming section two all cross-over connection isolation resistance R is arranged.
Ultra broadband high-isolation power divider of the present utility model, wherein said input 1, output 1, output 23, transformer section one and transformer section two are microstrip line construction, and the dielectric constant of micro-strip line substrate medium is 2.2.
Ultra broadband high-isolation power divider of the present utility model, the resistance value of wherein said impedance are 1/4 λ, and the impedance quantity of described transformer section one and transformer section two is 32.
The beneficial effect of the utility model ultra broadband high-isolation power divider:
1. bandwidth far surpasses general broadband power divider;
2. simple in structure, lightweight;
3. stability is high;
4. insertion loss is low.
Description of drawings
The structural representation of Fig. 1 ultra broadband high-isolation power divider of the present utility model
The number in the figure explanation:
1 input, 2 outputs one, 3 outputs two, 4 impedances, R isolation resistance
Embodiment
The utility model detailed construction, application principle, effect and effect with reference to accompanying drawing 1, are explained by following execution mode.
Consult shown in Figure 1ly, be serially connected with 20-40 impedance between input 1 and output 1, consist of transformer section one; Be serially connected with between input 1 and output 23 with input 1 and output 1 between all identical impedances of impedance quantity and resistance value, consist of transformer section two; Between each impedance rear end of each impedance rear end of transformer section one and counterpart impedance transforming section two all cross-over connection isolation resistance R is arranged.
Input 1, output 1, output 23, transformer section one and transformer section two are microstrip line construction, and the dielectric constant of micro-strip line substrate medium is 2.2.Input 1, output 1, output 23, transformer section one and transformer section two are microstrip line construction, and the dielectric constant of micro-strip line substrate medium is 2.2.
Band bandwidth is namely the frequency range that need to satisfy the specification requirement of product standard electrical property.The operating frequency of this ultra broadband high-isolation power divider is 0.5GHz～18 GHz.
Insertion loss, the ratio of power output and input power, caused loss when weighing by power splitter.The insertion loss of this ultra broadband high-isolation power divider requires less than or equal to 2.8dB, and actual measurement is less than 2.3dB.
Isolation, under the input port matching condition, the degree of isolation of each output port, namely from certain output port input signal, the ratio from power output and the input power of other certain port represents with dB usually.The insulated degree requirement of this ultra broadband high-isolation power divider is more than or equal to 18dB, and actual measurement is greater than 19dB.
Standing-wave ratio, the ratio of incoming level power and output level power.It is mainly to weigh the signal important indicator whether matched well is transmitted in the power splitter passband.The standing-wave ratio of this ultra broadband high-isolation power divider requires input less than or equal to 1.7, and output is less than or equal to 1.5, and the actual measurement input is less than 1.6, and output is less than 1.45.
Amplitude balance is the difference of each port insertion loss or loss.The amplitude balance of this ultra broadband high-isolation power divider requires less than or equal to ± 0.5dB, and actual measurement is less than ± 0.3dB.
Phase equilibrium is the difference of each port phase shift.The phase equilibrium of this ultra broadband high-isolation power divider requires less than or equal to ± 8o, and actual measurement is less than ± 5o.
This power splitter progression used is very many, the progression that adopts considerably beyond general broadband power divider, and therefore, the bandwidth of this power splitter is also considerably beyond the bandwidth of general broadband power divider.
Therefore ultra broadband high-isolation power divider of the present utility model has bandwidth and far surpasses many technological merits such as general broadband power divider, simple in structure, lightweight and insertion loss be low.
Claims (3)
1. the ultra broadband high-isolation power divider, is characterized in that: be serially connected with 20-40 impedance between input (1) and output one (2), consist of transformer section one; Be serially connected with between input (1) and output two (3) with input (1) and output one (2) between all identical impedances of impedance quantity and resistance value, consist of transformer section two; Between each impedance rear end of each impedance rear end of transformer section one and counterpart impedance transforming section two all cross-over connection isolation resistance (R) is arranged.
2. ultra broadband high-isolation power divider according to claim 1, it is characterized in that: described input (1), output one (2), output two (3), transformer section one and transformer section two are microstrip line construction, and the dielectric constant of micro-strip line substrate medium is 2.2.
3. ultra broadband high-isolation power divider according to claim 1, it is characterized in that: the resistance value of described impedance is 1/4 λ, the impedance quantity of described transformer section one and transformer section two is 32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220575071 CN202977683U (en) | 2012-11-05 | 2012-11-05 | Ultra wideband high isolation power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220575071 CN202977683U (en) | 2012-11-05 | 2012-11-05 | Ultra wideband high isolation power divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977683U true CN202977683U (en) | 2013-06-05 |
Family
ID=48518718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220575071 Expired - Fee Related CN202977683U (en) | 2012-11-05 | 2012-11-05 | Ultra wideband high isolation power divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856254A (en) * | 2015-12-08 | 2017-06-16 | 中国航空工业集团公司雷华电子技术研究所 | Broad-band multipath power splitter loss optimizing method based on grading design |
-
2012
- 2012-11-05 CN CN 201220575071 patent/CN202977683U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856254A (en) * | 2015-12-08 | 2017-06-16 | 中国航空工业集团公司雷华电子技术研究所 | Broad-band multipath power splitter loss optimizing method based on grading design |
| CN106856254B (en) * | 2015-12-08 | 2019-12-17 | 中国航空工业集团公司雷华电子技术研究所 | broadband multi-path power divider loss optimization method based on hierarchical design |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101757974B1 (en) | Unequal Gysel power divider | |
| CN104966881A (en) | Dual-band balanced power splitter | |
| CN103000977A (en) | Broadband novel microstrip line three-way power divider | |
| CN112563712A (en) | Termination complex impedance directional coupler with harmonic suppression function and design method | |
| CN100495814C (en) | Any dual-frequency band 3dB branch directional coupler | |
| CN202977683U (en) | Ultra wideband high isolation power divider | |
| CN206412449U (en) | A kind of ultra wide band Wilkinson power splitters loaded based on parasitic element | |
| CN203644921U (en) | Gysel power dividing filter with high power dividing ratio | |
| CN112467329A (en) | Bandwidth broadening technical method and circuit of Wilkinson power divider | |
| CN104319450A (en) | Ultra wide band bridge based on thick film manufacturing technology | |
| JP5714979B2 (en) | Broadband balun | |
| CN104022335A (en) | Schiffman phase shift power divider for any phase difference | |
| CN201060919Y (en) | Arbitrarily dual-frequency band 3dB branch directional coupler | |
| CN102013543A (en) | Millimeter wave broadband trisection power divider | |
| CN204391235U (en) | Harmonics restraint wideband patch coupler | |
| TW202301735A (en) | Power divider including a first transmission line, a second transmission line, and an input capacitor | |
| KR101559721B1 (en) | Wideband microwave balun with high isolation properties | |
| CN202977684U (en) | Broadband large-power high-isolation power divider | |
| CN214797681U (en) | Dual-band Wilkinson power divider with dual-coupling line and open-circuit line structure | |
| Montiel | Folded planar Marchand balun with improved isolation for radio frequency Automated Test Equipment applications | |
| Ding et al. | On-chip millimeter wave Rat-race Hybrid and Marchand Balun in IBM 0.13 um BiCMOS technology | |
| CN220420849U (en) | Equal power distributor | |
| CN208507908U (en) | A kind of PCB microstrip power divider | |
| CN204179195U (en) | There is the device of 20 road power division networks | |
| KR101665237B1 (en) | Planar Type Magic-Tee |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20161105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |