CN108389767A - A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure - Google Patents
A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure Download PDFInfo
- Publication number
- CN108389767A CN108389767A CN201810198321.5A CN201810198321A CN108389767A CN 108389767 A CN108389767 A CN 108389767A CN 201810198321 A CN201810198321 A CN 201810198321A CN 108389767 A CN108389767 A CN 108389767A
- Authority
- CN
- China
- Prior art keywords
- slow
- wave structure
- metal
- metal wire
- media
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 94
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 94
- 230000007704 transition Effects 0.000 claims abstract description 19
- 125000002950 monocyclic group Chemical group 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 description 8
- 230000003993 interaction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/24—Slow-wave structures, e.g. delay systems
- H01J23/30—Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/24—Slow-wave structures, e.g. delay systems
Abstract
Bielectron is held the invention discloses a kind of media of both sides bar cramp and notes period meandering metal line slow-wave structure, is related to planar travelling wave tube slow-wave structure field；The slow-wave structure ontology that it includes metal cavity, is welded on the cathode electronics emitter of metal cavity one end and is arranged in metal cavity, the slow-wave structure ontology includes metal wire, is arranged in attenuator metal wire both sides dielectric rod for fixing and be arranged in the middle part of dielectric rod, the metal wire is provided at both ends with transition, it is connected to inside the transition and metal cavity and externally forms coaxial interface, the metal wire uses uniform period meandering metal line, the metal wire to join end to end in " several " type；The present invention solve in existing angle logarithm metal wire slow-wave structure adjacent meander line spacing can with slow-wave structure length and changing causes the electric field between adjacent meander line to die down, to which coupled impedance is low, the low problem of output power has achieved the effect that improve coupled impedance and output power in slow-wave structure.
Description
Technical field
The present invention relates to planar travelling wave tube slow-wave structure field, especially a kind of media of both sides bar cramp holds the bielectron note period
Meandering metal line slow-wave structure.
Background technology
With the high speed development of information age, especially the 5G epoch is coming, to that can generate high-power height in industry
The electronic device of frequency electromagnetic signal has great demand.Although true as the electricity of representative using traditional travelling-wave tubes, klystron
Pocket part disclosure satisfy that above-mentioned requirements, but its excessive structure size and required high voltage (generally reaching tens kilovolts),
Many problems are still remained in specific practical application；Therefore novel travelling plane wave tube device comes into being, core
For to utilize the slow wave interacting system of microstrip line construction design；It can easily be produced respectively using ripe micro-strip Wiring technology
Kind slow-wave structure；But the medium substrate of its metal wire bottom, when planar travelling wave tube works, electronics notes the table that can be close to microstrip line
Face is transmitted, therefore is had in the electronic migration to medium substrate of part and accumulated on its surface, leads to whole pipe short circuit etc., to resistance to
It bombards weak；When containing medium in structure, electric field can be concentrated mainly on media interior, so as to cause the note wave interaction above medium
Weakened with the electric field in region, and then coupled impedance is caused to be lower, whole gain is caused to become smaller, to which output power is small.
That there are resistance to electron bombardments is weak for the micro strip line type slow-wave structure containing medium substrate made by micro-strip Wiring technology, coupling
The problems such as impedance is low, output power is small, the angular clamping biradial of Patent No. CN107180734A above-mentioned to overcome the problems, such as
Beam angle logarithm plane complications slow wave line slow-wave structure is supported by using dielectric support bar one and dielectric support bar two
Angle logarithm metal flat complications slow wave line, it is only necessary to which dielectric support bar one and dielectric support bar two and metal flat is tortuous slow
The side of swash connects, along with the inner wall bottom of the bottom surface and metal cavity of dielectric support bar one and dielectric support bar two connects
It touches, angle logarithm metal flat complications slow wave line is fixed in metal cavity in this way, eliminates medium substrate, fan
What the slow-wave structure made without containing the avoidable micro-strip Wiring technology of dielectric material in the range of operation of shape Radial Electron Beam was brought lacks
Point；But because of its angle logarithm metal wire for using, the spacing of two metal lines in structure can be with slow-wave structure
Increase and increase, therefore the electric field strength of line-to-line will become smaller, and lead to the reduction of coupled impedance, to which output power reduces.
Therefore the slow-wave structure that a kind of output power is high, working band is wide is designed in prior art basis just urgently to solve as one
Certainly the problem of.
Invention content
It is an object of the invention to：Bielectron, which is held, the present invention provides a kind of media of both sides bar cramp notes period meandering metal line
Slow-wave structure, solving adjacent meander line spacing in existing angle logarithm metal wire slow-wave structure can become with slow-wave structure length
Change causes the electric field between adjacent meander line to die down, to which coupled impedance is low, the low problem of output power.
The technical solution adopted by the present invention is as follows：
A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure, including metal cavity, is welded on
The cathode electronics emitter of metal cavity one end and the slow-wave structure ontology being arranged in metal cavity, the slow-wave structure sheet
Body includes metal wire, is arranged in attenuator metal wire both sides dielectric rod for fixing and be arranged in the middle part of dielectric rod, institute
It states metal wire and is provided at both ends with transition, be connected to inside the transition and metal cavity and externally form coaxial interface, it is described
Metal wire uses uniform period meandering metal line, the metal wire to join end to end in " several " type.
Preferably, the section of the metal wire is square, and the length of side w in section is 0.07mm, monocyclic transverse direction
Width h be 1.3mm, the metal lines run parallel it is intersegmental away from wt be 0.13mm.
Preferably, the dielectric rod cross section is in " convex " type, and the dielectric rod total length d is 20mm, each side length of side point
It Wei not d1=0.3mm, d2=0.4mm, d3=0.38mm, d4=0.7mm.
Preferably, the lateral dimension of the cathode electronics emitter is 1.3mm, thickness 0.07mm.
Preferably, the transition includes the input transition and output transition in reverse symmetry, lateral height
It is sequentially h=1.3mm, h1=1mm and h2=0.65mm, width is sequentially w4=0.145, w3=0.152, w2=
0.16 and w1=0.162.
Preferably, the attenuator cross section is in standard trapezoid, and the length of side and the lower length of side are respectively S1=2mm and S2=thereon
3.6mm is highly S3=3.1mm.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
It is fixed 1. the present invention removes sandwich of the medium substrate with dielectric rod in metal wire, solves band-like beam electrons note
It is close to lead to pipe internal short-circuit, dielectric-slab breakdown when microstrip line work；The complications gold of uniform period variation is clamped in dielectric rod
Belong to line, ensures that its output power and coupled impedance do not reduce as slow wave line is elongated, solve existing angle logarithm metal wire
In slow-wave structure adjacent meander line spacing can with slow-wave structure length and changing causes the electric field between adjacent meander line to die down, to
Coupled impedance is low, the low problem of output power, has reached and has improved coupled impedance in slow-wave structure to 100 Europe or so, in ka frequencies
Section output power can reach the effect of 300W magnitudes；
2. the present invention is using the meandering metal line of uniform period transformation, due to axial two parallel gold in signal period
The distance belonged between line remains unchanged, and when being optimized to an appropriate structure size, the axial electric field strength of line-to-line
Can a larger component steadily be generated in the top of metal wire, therefore logical in the top of metal wire, that is, band-like beam electrons note
The place crossed forms a very high coupled impedance, and so as to generate the output power of bigger, it is bent to solve angle logarithm
The problem of output power of folding metal wire slow-wave structure reduces as metal wire structure spacing is elongated, has reached enhancing interaction
The effect of intensity and output power；
3. sandwich of the medium substrate with dielectric rod in metal wire of removing of the present invention is fixed, solve band-like beam electrons
Note be close to microstrip line work when, cause since focusing magnetic field pack effect is undesirable electronics note bombardment arrive medium substrate, to
Charge accumulated is generated thereon, non-irrigated the problems such as causing pipe internal short-circuit, dielectric-slab breakdown, is clamped using dielectric rod and be can avoid problem above；
4. the slow wave line of the present invention uses 50 "Ji" type meandering metal line period consecutive variations, need to overcome size
With problem, need constantly to test in implementation process slow wave linear dimension in the case of obtaining meeting transmission characteristic and high frequency characteristics and
The meandering metal line simple processing of the size of other compositions, the uniform period after size determination avoids existing angle convenient for promoting
Spend the big disadvantage of logarithm meandering metal line difficulty of processing.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the power output figure of the present invention；
Fig. 3 is the gain diagram of the present invention；
Fig. 4 is the saturation gain figure that output power of the present invention changes with input power；
Fig. 5 is attenuator structure schematic diagram of the present invention；
Fig. 6 is slow wave line front view of the present invention；
Fig. 7 is present media rod structure schematic diagram；
Label declaration：1- metal cavities, 2- metal wires, 3- attenuators, 4- output transitions, 5- cathode electronics emitters,
6- inputs transition, 7- dielectric rods.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates with reference to Fig. 1-7 couples of present invention.
Embodiment 1
A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure, including metal cavity 1, is welded on
The cathode electronics emitter 5 of 1 one end of metal cavity and the slow-wave structure ontology being arranged in metal cavity 1, slow-wave structure sheet
Body includes metal wire 2, is arranged in 2 both sides of metal wire dielectric rod 7 for fixing and the attenuator being arranged in the middle part of dielectric rod 7
3, metal wire 2 is provided at both ends with transition, and transition is connected to and is externally formed coaxial interface, metal wire 2 with 2 inside of metal cavity
Using uniform period meandering metal line, metal wire 2 joins end to end in " several " type.
Operation principle：Both sides support slow-wave structure ontology, 2 one end of metal wire to be provided with cathode electronics hair using dielectric rod 7
Beam 5, metal wire 2 provide Electromagnetic Wave Propagation channel, so that electromagnetic wave is propagated along the metal wire 2 of special shape, with both sides cathode
The electronics note that electron emitter 5 provides carries out transducing interaction, and the decaying electromagnetic wave echo reflection of attenuator 3 inhibits travelling-wave tubes shake
It swings, to achieve the purpose that the phase velocity of electromagnetic wave is allowed to lower, so that electromagnetic wave is noted with electronics can better interaction i.e. electronics
The momentum transfer that itself is had obtains energy to electromagnetic wave, electronics Energy Loss, electromagnetic wave；To the electromagnetism inputted into
Wave has just obtained great energy after being come out from slow-wave structure and has increased；When solving band-like beam electrons note and being close to microstrip line work,
Electronics note bombardment is caused to arrive medium substrate since focusing magnetic field pack effect is undesirable, to generate charge accumulated on it, and
Drought causes the problems such as pipe internal short-circuit, dielectric-slab breakdown；Using the metal wire 2 of uniform period complications, the electric field between two parallel lines
Intensity is remained unchanged as slow-wave structure increases, and is effectively improved the coupled impedance of whole slow-wave structure, is made note wave interaction
There is significant raising with intensity.
Embodiment 2
The section of metal wire 2 is square, and the length of side w in section is 0.07mm, and monocyclic transverse width h is
1.3mm, 2 parallel-segment spacing wt of metal wire are 0.13mm.7 cross section of dielectric rod is in " convex " type, and 7 total length d of dielectric rod is 20mm,
Its each side length of side is respectively d1=0.3mm, d2=0.4mm, d3=0.38mm, d4=0.7mm.The cross of cathode electronics emitter 5
It is 1.3mm, thickness 0.07mm to size.Transition includes the input transition 6 and output transition 4 in reverse symmetry,
Lateral height is sequentially h=1.3mm, h1=1mm and h2=0.65mm, width be sequentially w4=0.145, w3=0.152,
W2=0.16 and w1=0.162.3 cross section of attenuator is in standard trapezoid, and the upper length of side and the lower length of side are respectively S1=2mm and S2=
3.6mm is highly S3=3.1mm.
Effect analysis：Coupled impedance directly represents the intensity of interaction, and coupled impedance and electric field strength are directly proportional, can lead to
It crosses the output power that measures and calculates electric field strength and directly proportional.As in Figure 2-4, input signal is thick line, and output signal is thin
Line, by Fig. 2,4 it is found that when input be 1.5W when, output power up to 330W, and when input power be 1W when, output power
For 270W, wherein rating formula is the half of voltage value square；According to the angular clamping of Publication No. CN107180734A
Biradial beam angle logarithm plane complications slow wave line slow-wave structure patent specification attached drawing it can be seen that, when input power is
When 1W, the output power of angle logarithm is 67.5W in the prior art, therefore the application output power increases four times；S11 is represented
The reflectivity of signal transmission, in 31-41.5GHz, this frequency band internal reflection rate is less than -20dB as seen from the figure, and expression is only less than
1% echo reflection signal；S21 represents the ratio and insertion loss of transmission, is both greater than -4db in entire frequency band as seen from the figure,
Illustrate that the loss of whole transmission is less than -4db.Metal wire in the slow-wave structure in the prior art of the present invention uses angle logarithm
The spacing of meandering metal line, two metal lines can increase with the growth of slow-wave structure, therefore the electric field strength of line-to-line is just
It can become smaller, coupled impedance and electric field strength are directly proportional, so as to cause the reduction of coupled impedance；The present invention is tortuous using uniform period
Metal wire, the electric field strength between two parallel lines are remained unchanged as slow-wave structure increases, and the axial electric field of line-to-line is strong
Degree steadily can generate a larger component in the top of metal wire, therefore in the top of metal wire, that is, band-like beam electrons note
By place, formed a very high coupled impedance, so as to generate the output power of bigger, compared to angle logarithm
Its output power of meandering metal line and coupled impedance are significantly increased；Solves phase in existing angle logarithm metal wire slow-wave structure
Adjacent meander line spacing can with slow-wave structure length and changing causes the electric field between adjacent meander line to die down, to coupled impedance it is low,
The low problem of output power has reached and has improved coupled impedance in slow-wave structure to 100 Europe or so, ka frequency range output powers can
Achieve the effect that 300W magnitudes.
Claims (6)
1. a kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure, including metal cavity (1), is welded on
The cathode electronics emitter (5) of metal cavity (1) one end and the slow-wave structure ontology being arranged in metal cavity (1), it is described
Slow-wave structure ontology include metal wire (2), setting metal wire (2) both sides dielectric rod for fixing (7) and setting be situated between
Attenuator (3) in the middle part of matter bar (7), the metal wire (2) are provided at both ends with transition, the transition and metal cavity (2)
Inside is connected to and externally forms coaxial interface, it is characterised in that：The metal wire (2) uses uniform period meandering metal line, institute
Metal wire (2) is stated to join end to end in " several " type.
2. a kind of media of both sides bar cramp according to claim 1 holds bielectron note period meandering metal line slow-wave structure,
It is characterized in that：The section of the metal wire (2) is square, and the length of side w in section is 0.07mm, monocyclic transverse width
H is 1.3mm, and metal wire (2) the parallel-segment spacing wt is 0.13mm.
3. a kind of media of both sides bar cramp according to claim 1 holds bielectron note period meandering metal line slow-wave structure,
It is characterized in that：Dielectric rod (7) cross section is in " convex " type, and dielectric rod (7) the total length d is 20mm, each side length of side difference
For d1=0.3mm, d2=0.4mm, d3=0.38mm, d4=0.7mm.
4. a kind of media of both sides bar cramp according to claim 1 holds bielectron note period meandering metal line slow-wave structure,
It is characterized in that：The lateral dimension of the cathode electronics emitter (5) is 1.3mm, thickness 0.07mm.
5. a kind of media of both sides bar cramp according to claim 1 holds bielectron note period meandering metal line slow-wave structure,
It is characterized in that：The transition includes the input transition (6) and output transition (4) in reverse symmetry, lateral height
It is sequentially h=1.3mm, h1=1mm and h2=0.65mm, width is sequentially w4=0.145, w3=0.152, w2=
0.16 and w1=0.162.
6. a kind of media of both sides bar cramp according to claim 1 holds bielectron note period meandering metal line slow-wave structure,
It is characterized in that：Attenuator (3) cross section is in standard trapezoid, and the length of side and the lower length of side are respectively S1=2mm and S2=thereon
3.6mm is highly S3=3.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198321.5A CN108389767B (en) | 2018-03-09 | 2018-03-09 | A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810198321.5A CN108389767B (en) | 2018-03-09 | 2018-03-09 | A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108389767A true CN108389767A (en) | 2018-08-10 |
| CN108389767B CN108389767B (en) | 2019-11-08 |
Family
ID=63066513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810198321.5A Expired - Fee Related CN108389767B (en) | 2018-03-09 | 2018-03-09 | A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108389767B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473755A (en) * | 2019-09-11 | 2019-11-19 | 电子科技大学 | A kind of ring bar strip line slow-wave structure of two sides aid |
| CN111640638A (en) * | 2020-05-28 | 2020-09-08 | 电子科技大学 | Staggered double-line planar traveling wave tube for high-power high-frequency high-order mode work |
| CN114360987A (en) * | 2022-01-06 | 2022-04-15 | 电子科技大学 | Coplanar double-V-shaped line slow wave structure suitable for backward wave tube |
| WO2024050841A1 (en) * | 2022-09-09 | 2024-03-14 | 华为技术有限公司 | Slow wave structure, high-frequency system, traveling wave tube and communication apparatus |
| WO2024059974A1 (en) * | 2022-09-19 | 2024-03-28 | 华为技术有限公司 | Slow-wave structure, travelling-wave tube and communication device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3925738A (en) * | 1974-11-08 | 1975-12-09 | Us Army | Rail or pedestal mounted meander line circuit for crossed-field amplifiers |
| CN201796850U (en) * | 2010-07-15 | 2011-04-13 | 电子科技大学 | V-shaped micro-strip meander-line slow wave structure |
| CN106340433A (en) * | 2016-10-18 | 2017-01-18 | 电子科技大学 | High-frequency structure for dielectric-embedded zigzag metal band |
| CN107180734A (en) * | 2017-06-13 | 2017-09-19 | 电子科技大学 | The angular tortuous slow wave line slow-wave structure of clamping biradial beam angle logarithm plane |
-
2018
- 2018-03-09 CN CN201810198321.5A patent/CN108389767B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3925738A (en) * | 1974-11-08 | 1975-12-09 | Us Army | Rail or pedestal mounted meander line circuit for crossed-field amplifiers |
| CN201796850U (en) * | 2010-07-15 | 2011-04-13 | 电子科技大学 | V-shaped micro-strip meander-line slow wave structure |
| CN106340433A (en) * | 2016-10-18 | 2017-01-18 | 电子科技大学 | High-frequency structure for dielectric-embedded zigzag metal band |
| CN107180734A (en) * | 2017-06-13 | 2017-09-19 | 电子科技大学 | The angular tortuous slow wave line slow-wave structure of clamping biradial beam angle logarithm plane |
Non-Patent Citations (1)
| Title |
|---|
| 张大勇: ""应用于微波管的微带型曲折线慢波结构的理论研究"", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473755A (en) * | 2019-09-11 | 2019-11-19 | 电子科技大学 | A kind of ring bar strip line slow-wave structure of two sides aid |
| CN111640638A (en) * | 2020-05-28 | 2020-09-08 | 电子科技大学 | Staggered double-line planar traveling wave tube for high-power high-frequency high-order mode work |
| CN111640638B (en) * | 2020-05-28 | 2021-07-13 | 电子科技大学 | Staggered double-line planar traveling wave tube for high-power high-frequency high-order mode work |
| CN114360987A (en) * | 2022-01-06 | 2022-04-15 | 电子科技大学 | Coplanar double-V-shaped line slow wave structure suitable for backward wave tube |
| CN114360987B (en) * | 2022-01-06 | 2023-03-10 | 电子科技大学 | Coplanar double-V-shaped line slow wave structure suitable for backward wave tube |
| WO2024050841A1 (en) * | 2022-09-09 | 2024-03-14 | 华为技术有限公司 | Slow wave structure, high-frequency system, traveling wave tube and communication apparatus |
| WO2024059974A1 (en) * | 2022-09-19 | 2024-03-28 | 华为技术有限公司 | Slow-wave structure, travelling-wave tube and communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108389767B (en) | 2019-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108389767B (en) | A kind of media of both sides bar cramp holds bielectron note period meandering metal line slow-wave structure | |
| CN101572205B (en) | Zigzag slow-wave line of double ridged waveguide | |
| CN108807113B (en) | Coaxial-like zigzag banded slow wave injection structure | |
| CN105428189B (en) | A kind of slow-wave structure of co-planar waveguide | |
| CN108962706B (en) | Medium-staggered double-gate slow wave structure | |
| CN107180734A (en) | The angular tortuous slow wave line slow-wave structure of clamping biradial beam angle logarithm plane | |
| CN202352608U (en) | Tapered ridge loading serpentine waveguide slow-wave line | |
| CN112054276A (en) | Ridge waveguide-microstrip line transition circuit | |
| JP2010056920A (en) | Waveguide microstrip line converter | |
| CN202855699U (en) | Zigzag waveguide slow-wave line | |
| CN108461367A (en) | A kind of microstrip line slow-wave structure | |
| CN210984686U (en) | Rectangular frame-double-rod slow wave structure | |
| CN102915898B (en) | Zigzag waveguide slow-wave line | |
| CN107887242A (en) | A kind of micro strip line type slow-wave structure of substrate fluting | |
| CN110335796B (en) | Ribbon electron beam double-groove trapezoidal line coupling cavity slow wave device | |
| CN108389766A (en) | A kind of micro-strip period meander-line slow wave structure | |
| CN102339708B (en) | Gradient ridge loading tortuous waveguide slow wave line | |
| CN216698694U (en) | Millimeter wave waveguide coaxial microstrip conversion structure | |
| CN114203502B (en) | Ridge-loading rhombic meander line slow wave structure based on multiple medium rods | |
| CN1347132A (en) | Full-metallic spiral slow-wave structure | |
| CN209216913U (en) | The slow wave circuit of the L-band wideband pulse travelling-wave tubes of small size | |
| CN202167447U (en) | Bent and ridge rectangular groove waveguide slow wave line | |
| CN108428608B (en) | A kind of angle logarithm complications slow wave line slow-wave structure of vane loaded angularly clamped | |
| CN111128646A (en) | Rectangular frame-double-rod slow wave structure | |
| Wang et al. | Dielectric-Supported Rhombus-Shaped Meander-Line Slow-Wave Structure for a V-band Dual-Sheet Beam Traveling Wave Tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 |