CN102868011B - Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier - Google Patents
Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier Download PDFInfo
- Publication number
- CN102868011B CN102868011B CN201210256637.8A CN201210256637A CN102868011B CN 102868011 B CN102868011 B CN 102868011B CN 201210256637 A CN201210256637 A CN 201210256637A CN 102868011 B CN102868011 B CN 102868011B
- Authority
- CN
- China
- Prior art keywords
- resonant cavity
- frequency
- chamber
- radio
- output
- 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.)
- Active
Links
Landscapes
- Microwave Amplifiers (AREA)
Abstract
The invention discloses a coaxial overlapped output resonant cavity of a radio-frequency wideband high-power electron tube amplifier. The coaxial overlapped output resonant cavity is used for carrying out tuning modulation on a radio-frequency wideband high-power electron tube amplifier output circuit. The coaxial overlapped output resonant cavity comprises a resonant cavity internal conductor, a resonant cavity intermediate conductor, a resonant cavity external conductor, a radio-frequency output coaxial feeder, a coaxial film bridging capacitor, an inner cavity output tuning matching cavity plate, an inner cavity output resonant matching cavity plate adjusting device, an outer cavity output tuning matching cavity plate and an outer cavity output tuning matching cavity plate adjusting device. By means of the technical scheme of the invention, the coaxial overlapped output resonant cavity breaks through the bottleneck of a radio-frequency high-power output loop, plays a decisive role in smooth realization of megawatt-scale power tuning coupling output within a 24-100MHz frequency-band range and provides necessary conditions for nuclear fusion large science experiments.
Description
Technical field
The present invention relates to resonant cavity technical field, particularly relate to the coaxial eclipsed form output cavity of a kind of radio-frequency broadband high-power tube amplifier.
Background technology
In the prior art, the conventional techniques of output cavity is the structure of resonant cavity+coupling capacitance, because the power output needed reaches MW class, routine techniques is very high to the performance requirement of vacuum device, therefore, output cavity of the prior art can not meet the requirement of megawatt rank power output.
Summary of the invention
The invention provides the coaxial eclipsed form output cavity of a kind of radio-frequency broadband high-power tube amplifier, to solve the problem that output cavity of the prior art can not meet megawatt rank demanded power output.
The invention provides the coaxial eclipsed form output cavity of a kind of radio-frequency broadband high-power tube amplifier, for carrying out tuning and matching for radio-frequency broadband high-power tube amplifier output loop, comprising: resonant cavity inner wire, resonant cavity middle conductor, resonant cavity outer conductor, radio frequency export coaxial feeder, coaxial film capacitance, inner chamber exports resonance matching chamber plate, inner chamber exports resonance matching chamber slab adjusting device, exocoel exports resonance matching chamber plate and exocoel exports resonance matching chamber slab adjusting device; Resonant cavity inner wire, resonant cavity middle conductor and resonant cavity outer conductor are coaxial configuration, form interior resonance chamber between resonant cavity inner wire and resonant cavity middle conductor, form exterior resonant cavity between resonant cavity middle conductor and resonant cavity outer conductor outer conductor; Be provided with inner chamber in interior resonance chamber and export resonance matching chamber plate, inner chamber exports resonance matching chamber plate and is used for carrying out tuning according to the internal resonant cavity of radio-frequency power output frequency; Inner chamber output resonance matching chamber plate exports resonance matching chamber slab adjusting device with inner chamber and is connected, for the position regulating inner chamber to export resonance matching chamber plate; Be provided with exocoel in exterior resonant cavity and export resonance matching chamber plate, exocoel exports resonance matching chamber plate and is used for allocating exterior resonant cavity according to radio-frequency power output frequency; Exocoel output resonance matching chamber plate exports resonance matching chamber slab adjusting device with exocoel and is connected, for the position regulating exocoel to export resonance matching chamber plate; Resonant cavity inner wire is connected with the anode of discharge-tube amplifier by the coaxial film capacitance of bottom, transmits for the radio-frequency power sent discharge-tube amplifier; Radio frequency exports coaxial feeder and is arranged on resonant cavity outer conductor, for carrying out radio-frequency power output.
Preferably, resonant cavity inner wire is coaxitron.
Preferably, resonant cavity middle conductor is the circular frame structure of equivalence that polygon surrounds.
Preferably, resonant cavity outer conductor is square-shaped frame shelf structure.
Preferably, 1/4 λ wavelength, 1/2 λ wavelength or 3/4 λ wavelength short-circuit resonant chamber mode of operation are mated respectively according to radio-frequency power output frequency in exterior resonant cavity and interior resonance chamber.
Preferably, inner chamber exports resonance matching chamber plate and exocoel exports resonance matching chamber plate employing air slide structure, and inner chamber exports resonance matching chamber slab adjusting device and exocoel exports resonance matching chamber slab adjusting device for regulating thick stick silk.
Preferably, resonant cavity inner wire is provided with openable window, for installing or taking out discharge-tube amplifier.
Preferably, one or more waveguide absorption body is provided with bottom exterior resonant cavity.
Preferably, radio frequency exports coaxial feeder within 24MHz to 100MHz frequency range, and the radio-frequency power carrying out 1.5MW exports.
Beneficial effect of the present invention is as follows:
By there being adjustable resonance inner chamber, exocoel, radio frequency exports and adopts coaxial feeder mode, according to the reasonably combined interior exocoel output mode (1/4 of frequency, 1/2 or 3/4 wavelength short-circuit resonant chamber mode of operation), the bandwidth of operation of tuning covering 24 ~ 100MHz, solve the problem that output cavity of the prior art can not meet megawatt rank demanded power output, breach the bottleneck of RF high power output element, MW class intensity tuning coupling output in 24 ~ 100MHz band limits is realized smoothly, serve conclusive effect, for the test of nuclear fusion big science provides necessary condition.
Accompanying drawing explanation
Fig. 1 is the structural representation of the coaxial eclipsed form output cavity of radio-frequency broadband high-power tube amplifier of the embodiment of the present invention;
Fig. 2 is the 1.5MW coaxial cavity output driving of the embodiment of the present invention and the schematic diagram of pneumatic adjustment short circuit chamber plate 3-D effect;
Fig. 3 is the schematic diagram of the 1.5MW coaxial cavity output driving of the embodiment of the present invention and the 3-D effect of pneumatic adjustment short circuit chamber plate cross section;
Fig. 4 is the 1.5MW cavity power amplifier output loop principle schematic of the embodiment of the present invention;
Fig. 5 is the 1.5MW cavity power amplifier frequency low side output loop schematic equivalent circuit of the embodiment of the present invention;
Fig. 6 is the high-end output loop schematic equivalent circuit of 1.5MW cavity power amplifier frequency of the embodiment of the present invention;
Fig. 7 is 1.5MW two coaxial short chamber net point cold schematic diagram sweeping test curve (49MHz) of the embodiment of the present invention;
Fig. 8 is the schematic diagram that the 1.5MW chamber of the embodiment of the present invention puts that the collection of TH525 electron tube load operating state cuts (44MHz).
Embodiment
The problem of megawatt rank demanded power output can not be met in order to solve output cavity of the prior art, the invention provides the coaxial eclipsed form output cavity of a kind of radio-frequency broadband high-power tube amplifier, include adjustable resonance inner chamber, exocoel, the inner wire of above-mentioned interior exterior resonant cavity inner chamber is coaxial metal pipe, outer conductor is middle conductor, and it forms shape is that the equivalence that polygonal metallic plate surrounds is round; The inner wire of described exocoel, also as the outer conductor of inner chamber, is middle conductor, and the outer conductor of resonant cavity exocoel is the square structure of metallic plate composition; The inner wire of described inner chamber is connected with wing by coaxial film capacitance, for carry high frequency power, radio frequency exports and adopts coaxial feeder mode, the radio-frequency broadband high-power tube amplifier coaxial eclipsed form output cavity of the embodiment of the present invention according to the reasonably combined interior exocoel output mode of frequency (1/4,1/2 or 3/4 wavelength short-circuit resonant chamber mode of operation), the bandwidth of operation of tuning covering 24 ~ 100MHz.Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, do not limit the present invention.
According to embodiments of the invention, provide the coaxial eclipsed form output cavity of a kind of radio-frequency broadband high-power tube amplifier, for carrying out tuning and matching for radio-frequency broadband high-power tube amplifier output loop, Fig. 1 is the structural representation of the coaxial eclipsed form output cavity of radio-frequency broadband high-power tube amplifier of the embodiment of the present invention, Fig. 2 is the 1.5MW coaxial cavity output driving of the embodiment of the present invention and the schematic diagram of pneumatic adjustment short circuit chamber plate 3-D effect, Fig. 3 is the schematic diagram of the 1.5MW coaxial cavity output driving of the embodiment of the present invention and the 3-D effect of pneumatic adjustment short circuit chamber plate cross section, as Fig. 1, 2, shown in 3, comprise according to the coaxial eclipsed form output cavity of the radio-frequency broadband high-power tube amplifier of the embodiment of the present invention: resonant cavity inner wire 10, resonant cavity middle conductor 11, resonant cavity outer conductor 12, radio frequency exports coaxial feeder 13, coaxial film capacitance 14, inner chamber exports resonance matching chamber plate 15, inner chamber exports resonance matching chamber slab adjusting device 16, exocoel exports resonance matching chamber plate 17, and exocoel exports resonance matching chamber slab adjusting device 18, below the modules of the embodiment of the present invention is described in detail.
Resonant cavity inner wire 10, resonant cavity middle conductor 11 are coaxial configuration with resonant cavity outer conductor 12, form interior resonance chamber between resonant cavity inner wire 10 and resonant cavity middle conductor 11, between resonant cavity middle conductor 11 and resonant cavity outer conductor 12 outer conductor, form exterior resonant cavity; Preferably, resonant cavity inner wire 10 is coaxitron; The circular frame structure of equivalence that resonant cavity middle conductor 11 surrounds for polygon.Resonant cavity outer conductor 12 is square-shaped frame shelf structure.
Preferably, resonant cavity inner wire 10 is provided with openable window, for installing or taking out discharge-tube amplifier.
Be provided with inner chamber in interior resonance chamber and export resonance matching chamber plate 15, inner chamber exports resonance matching chamber plate 15 for carrying out tuning according to the internal resonant cavity of radio-frequency power output frequency; Particularly, 1/4 λ wavelength, 1/2 λ wavelength or 3/4 λ wavelength short-circuit resonant chamber mode of operation are mated respectively according to radio-frequency power output frequency in exterior resonant cavity and interior resonance chamber.
Inner chamber output resonance matching chamber plate 15 exports resonance matching chamber slab adjusting device 16 with inner chamber and is connected, for the position regulating inner chamber to export resonance matching chamber plate 15;
Be provided with exocoel in exterior resonant cavity and export resonance matching chamber plate 17, exocoel exports resonance matching chamber plate 17 for allocating exterior resonant cavity according to radio-frequency power output frequency; Preferably, one or more waveguide absorption body is provided with bottom exterior resonant cavity.
Exocoel output resonance matching chamber plate 17 exports resonance matching chamber slab adjusting device 18 with exocoel and is connected, for the position regulating exocoel to export resonance matching chamber plate 17;
Preferably, in embodiments of the present invention, inner chamber exports resonance matching chamber plate 15 and exocoel output resonance matching chamber plate 17 adopts air slide structure, and inner chamber exports resonance matching chamber slab adjusting device 16 and exocoel exports resonance matching chamber slab adjusting device 18 for regulating thick stick silk.
Resonant cavity inner wire 10 is connected with the anode of discharge-tube amplifier by the coaxial film capacitance 14 of bottom, transmits for the radio-frequency power sent discharge-tube amplifier;
Radio frequency exports coaxial feeder 13 and is arranged on resonant cavity outer conductor 12, for carrying out radio-frequency power output.Preferably, radio frequency exports coaxial feeder 13 within 24MHz to 100MHz frequency range, and the radio-frequency power carrying out 1.5MW exports.
It should be noted that, preferably, it be square for exporting most exocoel about the 1m of resonance matching chamber size, be made up of copper aluminium material material, effective adjustable range need be greater than 1m, considers that actual bottom overhauls the window's position, and pneumatic parts installation site is left at output feedback pipe position and top.Lumen adopts polygonal approximation circle to make.Access panel should be stayed in the front and back of lumen.Inner chamber adopts circular copper pipe.Other general material comprises: copper coin, sheffield plate, Beryllium Bronze Spring contact, metal leading screw, steel aluminum frame.Interior outer chamber adopts leading screw, Timing Belt form to regulate, and need have detection, location and stopping means.
Below in conjunction with accompanying drawing, the technique scheme of the embodiment of the present invention is described in detail.
The coaxial eclipsed form output cavity of radio-frequency broadband high-power tube amplifier of the embodiment of the present invention designs for MW class cermet electronics tetrode amplifier output loop uses, for tuning and allotment, discharge-tube amplifier output loop requires in 24MHz to 100MHz frequency range, export 1.5MW radio frequency continuous wave power, there is no the lumped parameter vacuum capacitance of enough power capacities to realize power delivery coupling, so in embodiments of the present invention, the form that tuning and matching all needs to adopt coaxial short chamber is carried out to output loop, tuning by the length inner chamber changing short circuit chamber in different frequency ranges, the method of exocoel allotment realizes.Enter frequency high-end, in adjustment process, exocoel all will carry out 1/4 λ, 1/2 λ and 3/4 λ circuit-mode is changed.In addition, electron tube can be opened a window and install or take out in the middle of cavity, and without the need to mobile whole cavity, and cavity short board adopts air slide structure, can realize the tuning needs of wide region cavity easily.
From physical model, the inner chamber of the coaxial eclipsed form output cavity of radio-frequency broadband high-power tube amplifier of the embodiment of the present invention is a circular copper pipe, lumen considers the restriction of difficulty of processing and profile size, come equivalent coaxially round by polygonized structure, therefore inner chamber can be similar to coaxial cavity, and exocoel is equivalent to circumference chamber.Fig. 4 is the 1.5MW cavity power amplifier output loop principle schematic of the embodiment of the present invention, as shown in Figure 4, the radio-frequency broadband high-power tube amplifier coaxial eclipsed form output cavity of the embodiment of the present invention forms primarily of following components: export tuning inner chamber inductance L 101 and drive unit M9, exports allotment exocoel inductance L 102 and drive unit M10.
By analysis, 1.5MW output cavity circuit-mode is different at frequency low side and high-end the presented form of frequency, Fig. 5 is the 1.5MW cavity power amplifier frequency low side output loop schematic equivalent circuit of the embodiment of the present invention, as shown in Figure 5, at frequency low side, its coupling chamber application 0 ~ 1/4 λ short-circuit line pattern, becomes perception.
Fig. 6 is the high-end output loop schematic equivalent circuit of 1.5MW cavity power amplifier frequency of the embodiment of the present invention, as shown in Figure 6,1.5MW output cavity is high-end in frequency, because chamber is long too short, the impact of the edge effect such as electron tube, output feeder bottom chamber, cavity adjustment cannot meet the demands, so 1/2 λ short-circuit line pattern is applied in its coupling chamber, become capacitive, exocoel adjusting position is corresponding growth also, simultaneously in order to overcome the restriction of high band physical size, also need to regulate with 3/4 λ perceptual model.Equivalent inductance mode computation is as follows: Co represents wing output capacitance, and C102 represents anode capacitance, equiva lent impedance when Roe is anode resonance, and R is load equivalent impedance.Inner chamber and exocoel characteristic impedance are calculated as given data by physical size, and demand goes out the induction reactance of different frequency lower inner cavity and exocoel and cavity regulates length two unknown parameters.By coupling condition of resonance: from dotted line end to the impedance Z of load end, its real part should equal electron tube output load impedance Roe, and its imaginary part is 0 two equations, just can solve L101 and L102, and its computational process is as follows:
L101, L102 and R and expressing in series is:
According to network resonance condition formula, loop Q value:
X
L=R
L·Q；
；
If:
; Can obtain:
；
Table 1 is exocoel perception (1/4 λ, 3/4 λ) pattern and exocoel is capacitive mode EXCEL result of calculation.
Table 1
As can be seen from Table 1, when frequency changes to 100MHz from 24, outer cavity length changes to 0.3 meter from 2.1 meters, and inner chamber changes to 0.2 meter from 1.1 meters, and obviously its physical size covers whole frequency and cannot realize.High-end in frequency, because chamber is long too short, bottom chamber, the impact of the edge effect such as electron tube, output port, exocoel adjustment cannot meet the requirement of practical application, therefore 1/4 λ short circuit chamber, λ ~ 1/2 pattern is applied in its output matching chamber, become capacitive, exocoel adjusting position just increases, and inner chamber adjusting position is also corresponding increases.Its breakover point is selected to consider at about 40MHz, and now external cavity length is at about 0.5 meter.
By calculate, when frequency changes to 70MHz from 24, outer cavity length changes to 0.3 meter from 2.1 meters, inner chamber from.1.1 meters change to 0.2 meter.In the middle of real work application, especially high-end in frequency, because chamber is long too short, electron tube bottom chamber, the impact of the edge effects such as output feeder, exocoel adjustment cannot meet the requirement of practical application, therefore 1/4 λ ~ 1/2 λ short-circuit line pattern is applied in its output matching chamber, become capacitive, exocoel adjusting position just increases, and inner chamber adjusting position is also corresponding increases.Its breakover point is selected to consider in 40 ~ 50MHz scope, and now external cavity length is at about 1 meter.Application exocoel capacitive, inner chamber is applied 3/4 λ short circuit chamber pattern and is covered 70 ~ 100MHz frequency range, and exocoel is from 1.8 ~ 1.3 meters, and inner chamber is from 2.8 ~ 1.8 meters.
Fig. 7 is 1.5MW two coaxial short chamber net point cold schematic diagram sweeping test curve (49MHz) of the embodiment of the present invention, and Fig. 8 is the schematic diagram that the 1.5MW chamber of the embodiment of the present invention puts that the collection of TH525 electron tube load operating state cuts (44MHz).
In sum, the coaxial eclipsed form output cavity of the radio-frequency broadband high-power tube amplifier of the embodiment of the present invention adopts two pneumatic shaping modes with frequency shift; Motor coarse adjustment preset cylinder air pressure is in full release condition, cavity and contact spring depart from completely, and avoid the mobile mechanical damage brought that rubs of long distance, low-power fine tuning working cylinder air pressure is in half release condition, cavity and reed appropriateness slightly rub, and can carry out hot low-power debugging.In addition, the technical scheme of the embodiment of the present invention adopts coaxial inside and outside overlapping chamber pattern, and exocoel is used for load allotment, inner chamber is used for frequency tuning, adopts 1/4 λ respectively, 1/2 λ and 3/4 λ several modes, thus realizes covering in 24 ~ 100MHz ultra wide frequency.In addition, cavity bottom is equipped with multiple waveguide absorption body, solves cavity higher mode self-excitation problem.The coaxial eclipsed form output cavity of radio-frequency broadband high-power tube amplifier of the embodiment of the present invention vertically conveniently realizes Whole frequency band adjustment in perpendicular chamber, effectively can realize the intensity tuning of continuous wave MW class RF high power discharge-tube amplifier, coupling and transmission.
Although be example object, disclose the preferred embodiments of the present invention, it is also possible for those skilled in the art will recognize various improvement, increase and replacement, and therefore, scope of the present invention should be not limited to above-described embodiment.
Claims (6)
1. the coaxial eclipsed form output cavity of radio-frequency broadband high-power tube amplifier, for carrying out tuning and matching for radio-frequency broadband high-power tube amplifier output loop, it is characterized in that, comprising: resonant cavity inner wire, resonant cavity middle conductor, resonant cavity outer conductor, radio frequency export coaxial feeder, coaxial film capacitance, inner chamber exports resonance matching chamber plate, inner chamber exports resonance matching chamber slab adjusting device, exocoel exports resonance matching chamber plate and exocoel exports resonance matching chamber slab adjusting device; Described radio frequency exports coaxial feeder within 24MHz to 100MHz frequency range, and the radio-frequency power carrying out 1.5MW exports:
Described resonant cavity inner wire, described resonant cavity middle conductor and described resonant cavity outer conductor are coaxial configuration, form interior resonance chamber between described resonant cavity inner wire and described resonant cavity middle conductor, between described resonant cavity middle conductor and described resonant cavity outer conductor outer conductor, form exterior resonant cavity; Be provided with described inner chamber in described interior resonance chamber and export resonance matching chamber plate, described inner chamber exports resonance matching chamber plate and is used for carrying out tuning according to radio-frequency power output frequency to described interior resonance chamber; Described inner chamber output resonance matching chamber plate exports resonance matching chamber slab adjusting device with described inner chamber and is connected, for the position regulating described inner chamber to export resonance matching chamber plate; Be provided with described exocoel in described exterior resonant cavity and export resonance matching chamber plate, described exocoel exports resonance matching chamber plate and is used for allocating described exterior resonant cavity according to radio-frequency power output frequency; Described exocoel output resonance matching chamber plate exports resonance matching chamber slab adjusting device with described exocoel and is connected, for the position regulating described exocoel to export resonance matching chamber plate; Described resonant cavity inner wire is connected with the anode of described discharge-tube amplifier by the described coaxial film capacitance of bottom, transmits for the radio-frequency power sent described discharge-tube amplifier; Described radio frequency exports coaxial feeder and is arranged on described resonant cavity outer conductor, for carrying out radio-frequency power output;
1/4 λ wavelength, 1/2 λ wavelength or 3/4 λ wavelength short-circuit resonant chamber mode of operation are mated respectively according to radio-frequency power output frequency in described exterior resonant cavity and described interior resonance chamber;
Described inner chamber exports resonance matching chamber plate and described exocoel exports resonance matching chamber plate employing air slide structure, and described inner chamber exports resonance matching chamber slab adjusting device and described exocoel exports resonance matching chamber slab adjusting device for regulating thick stick silk; Radio-frequency broadband high-power tube amplifier coaxial eclipsed form output cavity adopts two pneumatic shaping modes with frequency shift: complete the preset cylinder air pressure of motor coarse adjustment is in release condition, cavity and contact spring depart from completely, low-power fine tuning working cylinder air pressure is in half release condition, carries out hot low-power debugging.
2. resonant cavity as claimed in claim 1, it is characterized in that, described resonant cavity inner wire is coaxitron.
3. resonant cavity as claimed in claim 2, is characterized in that, described resonant cavity middle conductor is the circular frame structure of equivalence that polygon surrounds.
4. resonant cavity as claimed in claim 3, it is characterized in that, described resonant cavity outer conductor is square-shaped frame shelf structure.
5. resonant cavity as claimed in claim 1, is characterized in that, described resonant cavity inner wire is provided with openable window, for installing or taking out described discharge-tube amplifier.
6. resonant cavity as claimed in claim 1, is characterized in that, be provided with one or more waveguide absorption body bottom described exterior resonant cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256637.8A CN102868011B (en) | 2012-07-23 | 2012-07-23 | Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256637.8A CN102868011B (en) | 2012-07-23 | 2012-07-23 | Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102868011A CN102868011A (en) | 2013-01-09 |
| CN102868011B true CN102868011B (en) | 2015-01-07 |
Family
ID=47446712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256637.8A Active CN102868011B (en) | 2012-07-23 | 2012-07-23 | Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102868011B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041795B (en) * | 2016-08-04 | 2017-11-10 | 北京长峰广播通讯设备有限责任公司 | A kind of high-power transmitter pneumatic means |
| CN106206219B (en) * | 2016-08-31 | 2018-07-20 | 中国工程物理研究院应用电子学研究所 | A kind of tunable klystron amplifier output cavity |
| CN109786922A (en) * | 2018-12-11 | 2019-05-21 | 北京铭安博运科技有限公司 | A kind of microwave coaxial transmission coupled resonator |
| CN110534860A (en) * | 2019-08-19 | 2019-12-03 | 南京从景生物技术有限公司 | A kind of New Ring-like Type resonant cavity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202084622U (en) * | 2010-10-14 | 2011-12-21 | 中国科学院等离子体物理研究所 | Coaxially foldable output resonant cavities of broadband radio-frequency high-power electronic tube amplifier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993994Y (en) * | 2006-12-31 | 2007-12-19 | 北京北广科技股份有限公司 | Broadband coupled resonant cavity short-circuit board tuning device |
-
2012
- 2012-07-23 CN CN201210256637.8A patent/CN102868011B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202084622U (en) * | 2010-10-14 | 2011-12-21 | 中国科学院等离子体物理研究所 | Coaxially foldable output resonant cavities of broadband radio-frequency high-power electronic tube amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102868011A (en) | 2013-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102868011B (en) | Coaxial overlapped output resonant cavity of radio-frequency wideband high-power electron tube amplifier | |
| CN202084622U (en) | Coaxially foldable output resonant cavities of broadband radio-frequency high-power electronic tube amplifier | |
| CN103682535B (en) | Coaxial cavity dual-band filter based on Stepped Impedance structure | |
| RU154886U1 (en) | SMALL VIBRATOR ANTENNA OF SYSTEMS OF DATA TRANSMISSION NETWORK IN THE RANGE OF MEDIUM AND INTERMEDIATE WAVES | |
| CN106385758A (en) | Capacitive coupling matching method for superconductive cyclotron resonant cavity | |
| WO2023226392A1 (en) | Antenna assembly and electronic device | |
| CN106876990B (en) | A kind of antenna and mobile terminal of mobile terminal | |
| CN111682655A (en) | Dynamic impedance matching system and method for wireless power transmission system | |
| CN102918709A (en) | Antenna feeding structure and antenna | |
| CN107317076A (en) | PIN pipe loading frequency adjustable equalizers | |
| CN108767461A (en) | Binary channels RF energy collection system and its Parameters design | |
| CN102891660A (en) | Radio frequency impedance matcher | |
| CN110177404A (en) | A kind of small microwave furnace using 900MHz Solid Source power amplifier as microwave source | |
| Lee et al. | High efficiency metamaterial-based multi-scale wireless power transfer for smart home applications | |
| CN110401420A (en) | A kind of radiometric image circuit based on active radiometric image base bias voltage and fundamental wave input signal power amplitude relation | |
| CN104009275A (en) | High-power input coupler | |
| CN105789801A (en) | Substrate integrated waveguide feed based rotary joint | |
| CN105071555A (en) | Microwave energy receiving plate | |
| CN103296386B (en) | Multi-band frequency built-in aerial with low SAR value | |
| CN102800916B (en) | Coaxial output resonant cavity of radio-frequency broadband high-power tube amplifier | |
| CN207939267U (en) | Asymmetric coils structure magnetic coupling resonant radio energy Transmission system | |
| US20180138579A1 (en) | Antenna Apparatus and Terminal | |
| CN102856623B (en) | Rf broadband high-power tube amplifier 3/4 λ wavelength output cavity | |
| CN103312052B (en) | A kind of antenna assembly for wireless power supply system | |
| CN208570881U (en) | A kind of input resonator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100853 3 floor, 86 building, 50 Yongding Road, Haidian District, Beijing. Patentee after: Beijing Guangtong Aerospace Science and Technology Co Ltd Address before: 100854 three floor, 86 building, 50 Yongding Road, Haidian District, Beijing. Patentee before: Beijing Changfeng Broadcasting Communication Equipment Co., Ltd. |