CN108091970A - A kind of Ka band broadbands high power amplifier - Google Patents
A kind of Ka band broadbands high power amplifier Download PDFInfo
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- CN108091970A CN108091970A CN201711308210.7A CN201711308210A CN108091970A CN 108091970 A CN108091970 A CN 108091970A CN 201711308210 A CN201711308210 A CN 201711308210A CN 108091970 A CN108091970 A CN 108091970A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
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Abstract
The embodiment of the invention discloses a kind of Ka band broadbands high power amplifier, including：First order power amplifier module, second level power amplifier module, third level power amplifier module, first wave guide ET, second waveguide ET, first wave guide No. four power divider, second waveguide No. four power divider, the 3rd waveguide No. four power divider and the 4th waveguide No. four power divider.Power amplifier provided by the invention employs waveguide power divider, including waveguide ET and waveguide No. four power divider, can effectively reduce synthesis loss, although sacrificing isolation, the output power of bigger can be obtained in equal synthesis scale.And power amplifier module uses waveguide output form, it can be directly attached with waveguide power synthesizer (i.e. second waveguide ET, the 3rd waveguide No. four power divider and the 4th waveguide No. four power divider), simplify the overall structure of amplifier, effective control cost.
Description
Technical field
The present invention relates to Ka band broadband power amplification fields more particularly to a kind of Ka band broadbands high power amplifiers.
Background technology
At present, the high power device based on GaAs and GaN has become the mainstream of civilian high-power product development.But by
More special in millimeter wave band, wavelength is very short, and the MMIC sizes of development are very small, and limiting monolithic MMIC can export
Maximum power.Therefore development also needs to use power synthetic technique in the high power amplifier of millimeter wave band.At present
The synthesizer technology of mainstream includes space power synthesis technology, there is consumption synthetic technology, lossless synthetic technology etc..
Have consumption synthetic technology can be synthesis often device provide certain isolation all the way, but due to synthesizer inside
There are resistance components, and when frequency rises to millimeter wave band, loss is very big, and this loss inevitably appears in output
Port is synthesized, actual synthesis power is caused to reduce.
The content of the invention
An embodiment of the present invention provides a kind of Ka band broadbands high power amplifiers, and solve has consumption synthetic technology currently
In, combiner loss causes to synthesize under powered technical problem greatly.
An embodiment of the present invention provides a kind of Ka band broadbands high power amplifier, including：First stage power amplifier mould
Block, second level power amplifier module, third level power amplifier module, first wave guide ET, second waveguide ET, first wave guide four
Road power divider, second waveguide No. four power divider, the 3rd waveguide No. four power divider and four road power of the 4th waveguide
Distributor；
The first wave guide ET, the second waveguide ET include input waveguide, the first output waveguide and the second output wave
It leading and Distributed Power Architecture, the first wave guide ET is used to input signal equalization being distributed into two-way output signal, and described second
Waveguide ET is used to two-way input signal synthesis exporting signal all the way；
The output waveguide of the first order power amplifier module is connected with the input waveguide of the first wave guide ET；
The input waveguide of the first output waveguide of the first wave guide ET and first wave guide No. four power divider it
Between pass through the second level power amplifier module and connect；
The input waveguide of the second output waveguide of the first wave guide ET and second waveguide No. four power divider it
Between pass through the second level power amplifier module and connect；
Four tunnel output waveguides of first wave guide No. four power divider and the 3rd waveguide No. four power divider
Four tunnel output waveguides between connection there are four the 3rd pole power amplifier module；
Four tunnel output waveguides of second waveguide No. four power divider and the 4th waveguide No. four power divider
Four tunnel output waveguides between connection there are four the 3rd pole power amplifier module；
The input waveguide of 3rd waveguide No. four power divider connects with the first output waveguide of the second waveguide ET
It connects, the input waveguide of the 4th waveguide No. four power divider is connected with the second output waveguide of the second waveguide ET；
The first order power amplifier module, the second level power amplifier module and the third level power amplification
The output form of device module is waveguide output；
The input waveguide of the first order power amplifier module is used for input radio frequency signal；
The input waveguide of the second waveguide ET is used to export radiofrequency signal.
Preferably, a kind of Ka band broadbands high power amplifier provided in an embodiment of the present invention further includes waveguide isolator；
Pass through one between the input waveguide of the output terminal of the first order power amplifier module and the first wave guide ET
A waveguide isolator connection；
The input waveguide of the first output waveguide of the first wave guide ET and first wave guide No. four power divider it
Between be sequentially connected there are one the second level power amplifier module and a waveguide isolator；
The input waveguide of the second output waveguide of the first wave guide ET and second waveguide No. four power divider it
Between connection there are one the second level power amplifier module and a waveguide isolator；
The input waveguide of 3rd waveguide No. four power divider and the first output waveguide of the second waveguide ET it
Between pass through the waveguide isolator and connect, input waveguide and second ripple of the 4th waveguide No. four power divider
It leads and is connected by a waveguide isolator between the second output waveguide of ET.
Preferably, first wave guide No. four power divider includes：3rd waveguide ET, the 4th waveguide ET, the 5th waveguide
ET, straight section waveguide and curved waveguide；
The 3rd waveguide ET, the 4th waveguide ET and the 5th waveguide ET include input waveguide, the first output
Waveguide and the second output waveguide and Distributed Power Architecture；
In the 3rd waveguide ET, the 4th waveguide ET and the 5th waveguide ET, the input waveguide and described
First output waveguide, the input waveguide and the equal vertical connection of the second output waveguide, first output waveguide and described
The horizontal connection of second output waveguide, the Distributed Power Architecture are arranged on the input waveguide, first output waveguide and institute
State the second output waveguide intersection；
Protrusion is provided among the Distributed Power Architecture, the protrusion both sides continuously decrease into a ladder and highly,
For expanding the signal bandwidth entered from the input waveguide；
The vertical portion bottom of every grade of ladder is both provided with chamfering；
The first output waveguide of the 3rd waveguide ET passes sequentially through the straight section waveguide, the curved waveguide and described the
The input waveguide connection of four waveguide ET；
The second output waveguide of the 3rd waveguide ET passes sequentially through the straight section waveguide, the curved waveguide and described the
The input waveguide connection of five waveguide ET.
Preferably, the first output waveguide of the 4th waveguide ET, the second output waveguide of the 4th waveguide ET, described
The first output waveguide of 5th waveguide ET and the second output waveguide of the 5th waveguide ET are in the same plane.
Preferably, the first output waveguide of the 4th waveguide ET, the second output waveguide of the 4th waveguide ET, described
The first output waveguide of 5th waveguide ET and the second output waveguide of the 5th waveguide ET are defeated with the 3rd waveguide ET
It is parallel to enter waveguide.
Preferably, first wave guide No. four power divider, second waveguide No. four power divider, the described 3rd
Waveguide No. four power divider is identical with the structure of the 4th waveguide No. four power divider.
Preferably, the first wave guide ET is identical with the structure of the second waveguide ET, the 3rd waveguide ET, described
Four waveguide ET are identical with the structure of the 5th waveguide ET.
Preferably, the first order power amplifier module, the second level power amplifier module and the third level
Power amplifier module includes：Main body, printed wiring board, gold thread and monolithic integrated microwave circuit；
The main body is provided with ground hole and the passage through the main body；
The printed wiring board is set in the passage；
The passage both ends are respectively arranged with input waveguide and output waveguide；
The ground hole is used to install grounding assembly；
The monolithic integrated microwave circuit dress is attached to the printed wiring board center, and passes through the gold thread and the printing
The antenna connection of wiring board.
Preferably, the first order power amplifier module, the second level power amplifier module and the third level
Power amplifier module further includes capacitance；
The main body is additionally provided with capacitance mounting hole；
The pin of the capacitance is penetrated from the capacitance mounting hole and is connected with the confession electric island in the printed wiring board, is used
It is filtered in the bypass of the monolithic integrated microwave circuit；
Set in the passage close to the position for electric island it is fluted, in order to after the pin bending of the capacitance with
It is described to be connected for electric island.
Preferably, the capacitance is feedthrough capacitor.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
An embodiment of the present invention provides a kind of Ka band broadbands high power amplifier, including：First stage power amplifier mould
Block, second level power amplifier module, third level power amplifier module, first wave guide ET, second waveguide ET, first wave guide four
Road power divider, second waveguide No. four power divider, the 3rd waveguide No. four power divider and four road power of the 4th waveguide
Distributor；First wave guide ET, second waveguide ET include input waveguide, the first output waveguide and the second output waveguide and power point
Distribution structure, first wave guide ET are used to input signal equalization being distributed into two-way output signal, and second waveguide ET is used for two-way is defeated
Enter signal synthesis and export signal all the way；The output waveguide of first order power amplifier module connects with the input waveguide of first wave guide ET
It connects；Pass through one second between the input waveguide of the first output waveguide and first wave guide No. four power divider of first wave guide ET
Stage power amplifier module connects；The second output waveguide of first wave guide ET and the incoming wave of second waveguide No. four power divider
It is connected between leading by a second level power amplifier module；Four tunnel output waveguides of first wave guide No. four power divider with
There are four the 3rd pole power amplifier modules for connection between four tunnel output waveguides of the 3rd waveguide No. four power divider；Second ripple
It leads and connects between four tunnel output waveguides of four tunnel output waveguides and the 4th waveguide No. four power divider of No. four power dividers
There are four the 3rd pole power amplifier modules；The input waveguide of 3rd waveguide No. four power divider and the first of second waveguide ET
Output waveguide connects, and the input waveguide of the 4th waveguide No. four power divider is connected with the second output waveguide of second waveguide ET；
The output form of first order power amplifier module, second level power amplifier module and third level power amplifier module is
Waveguide exports；The input waveguide of first order power amplifier module is used for input radio frequency signal；The input waveguide of second waveguide ET
For exporting radiofrequency signal.
Power amplifier provided by the invention employs waveguide power divider, including four road power distribution of waveguide ET and waveguide
Device can effectively reduce synthesis loss, although sacrificing isolation, can obtain bigger in equal synthesis scale
Output power.And power amplifier module is using waveguide output form, can directly with waveguide power synthesizer (i.e. the second ripple
Lead ET, the 3rd waveguide No. four power divider and the 4th waveguide No. four power divider) it is attached, simplify the whole of amplifier
Body structure, effective control cost.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 (a) and Fig. 1 (b) is a kind of one embodiment of Ka band broadbands high power amplifier provided by the invention
Structure diagram；
Fig. 2 is a kind of structural representation of another embodiment of Ka band broadbands high power amplifier provided by the invention
Figure；
Fig. 3 is the structure diagram of waveguide ET；
Fig. 4 is the structure diagram of waveguide No. four power divider；
Fig. 5 is the explosive view of waveguide No. four power divider；
Fig. 6 is the structure diagram of protrusion；
Fig. 7 is the front view of power amplifier module；
Fig. 8 is the explosive view of power amplifier module；
Fig. 9 is the side view of power amplifier module.
Specific embodiment
An embodiment of the present invention provides a kind of Ka band broadbands high power amplifiers, and solve has consumption synthetic technology currently
In, combiner loss causes to synthesize under powered technical problem greatly.
Goal of the invention, feature, advantage to enable the present invention is more apparent and understandable, below in conjunction with the present invention
Attached drawing in embodiment is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Scope.
Please refer to Fig.1 (a) and Fig. 1 (b), an a kind of implementation of Ka band broadbands high power amplifier provided by the invention
Example includes：First order power amplifier module (1), second level power amplifier module (2), third level power amplifier module
(3), first wave guide ET (4), second waveguide ET (5), first wave guide No. four power divider (6), second waveguide four road power point
Orchestration (7), the 3rd waveguide No. four power divider (8) and the 4th waveguide No. four power divider (9)；
First wave guide ET (4), second waveguide ET (5) include input waveguide, the first output waveguide and the second output waveguide
And Distributed Power Architecture, first wave guide ET (4) are used to input signal equalization being distributed into two-way output signal, second waveguide (5)
ET is used to two-way input signal synthesis exporting signal all the way.In the present embodiment, waveguide ET is a kind of waveguide form output
Three port devices, effect are identical with a two road power splitters；
The output waveguide of first order power amplifier module (1) is connected with the input waveguide of first wave guide ET (4)；
Between the input waveguide of the first output waveguide and first wave guide No. four power divider (6) of first wave guide E (4) T
It is connected by a second level power amplifier module (2)；
Between the input waveguide of the second output waveguide and second waveguide No. four power divider (7) of first wave guide ET (4)
It is connected by a second level power amplifier module (2)；
Four tunnel output waveguides of first wave guide No. four power divider (6) and four tunnels of the 3rd waveguide No. four power divider
There are four the 3rd pole power amplifier modules for connection between output waveguide (8)；
Four tunnel output waveguides of second waveguide No. four power divider (7) and the 4th waveguide No. four power divider (9)
There are four the 3rd pole power amplifier modules for connection between four tunnel output waveguides；
The input waveguide of 3rd waveguide No. four power divider (8) is connected with the first output waveguide of second waveguide ET (5),
The input waveguide of 4th waveguide No. four power divider (9) is connected with the second output waveguide of second waveguide ET (5)；
First order power amplifier module (1), second level power amplifier module (2) and third level power amplifier module
(3) output form is waveguide output；
The input waveguide of first order power amplifier module (1) is used for input radio frequency signal；
The input waveguide of second waveguide ET (5) for exporting radiofrequency signal, with WR28 waveguide forms realized by radio frequency output.
It should be noted that as shown in Fig. 1 (a) and Fig. 1 (b), the 3rd waveguide No. four power divider (8) and the 4th ripple
The output waveguide for leading No. four power dividers (9) uses in this power amplifier as input terminal, and input waveguide is as output
End uses, and similarly understands the input waveguide of second waveguide ET (5) and the effect of output waveguide, details are not described herein again.
Ka band broadbands high power amplifier provided by the invention uses three-level magnification scheme, such as：Wherein first order power
Amplifier module gain is 20dB, and P1dB output powers are 24dBm, and in actual work, first order amplifier output power is
12dBm or so is operated in linear zone.
Second level power amplifier module gain is 16dB, and P1dB output powers are 29dBm, in actual work, single to put
Big device module output power is 28dBm, is operated in linear zone.
The gain of third level power amplifier module is 12dB, and P1dB output powers are 33dBm, and saturation output power is
34dBm, in actual work, each module output power are 34dBm.It is operated in inelastic region.
The gain of entire link is 48dB, output power 43dBm.- 2dBm can be reached by simply entering power, then can
Make radio frequency link saturation, output power reaches 43dBm.Therefore general signal source all drives this radio frequency link enough.
The present invention can effectively reduce synthesis loss using waveguide power divider, can be same although sacrificing isolation
Deng synthesis scale in the case of obtain bigger output power.And the power amplifier module of the present invention exports shape using waveguide
Formula can directly be attached with lossless synthesizer, reduce the complexity of entire scheme.Further, the present invention only with
6 waveguide power dividers can realize the synthesis scale of 8 tunnels synthesis, and the synthesis configuration of entire technical solution is succinct.
The present invention is compared with space power synthesis technology, although volume bigger, its assembling process is relatively easy, especially
It is that the time that replacement device uses is less than the space power synthesis technology required time in the problem of investigation, and to processing
The requirement on machining accuracy of synthesizer is lower.
For the present invention compared with having consumption synthetic technology, synthesis loss is less, can be obtained in the case of equal synthesis scale
The output power of bigger, although in lossless synthetic technology, not isolating per between synthesis unit all the way, in power device
In the case of input/output port standing wave is good, per not isolating between synthesis unit all the way, caused influence is little.
Referring to Fig. 2, in a kind of another embodiment of Ka band broadbands high power amplifier provided by the invention, also
It can include：Waveguide isolator (10), waveguide isolator (10) prevent to emit for limiting signal one-way transmission, can be with
It plays a protective role；
Pass through one between the output terminal of first order power amplifier module (1) and the input waveguide of first wave guide ET (4)
Waveguide isolator connects；
Between the input waveguide of the first output waveguide and first wave guide No. four power divider (6) of first wave guide ET (4)
Second level power amplifier module (2) and a waveguide isolator (10) there are one being sequentially connected；
Between the input waveguide of the second output waveguide and second waveguide No. four power divider (7) of first wave guide ET (4)
Second level power amplifier module (2) and a waveguide isolator (10) there are one being sequentially connected；
Between the input waveguide of 3rd waveguide No. four power divider (8) and the first output waveguide of second waveguide ET (5)
It is connected by a waveguide isolator (10), input waveguide and the second waveguide ET (5) of the 4th waveguide No. four power divider (9)
The second output waveguide between pass through waveguide isolator and connect.
It should be noted that further including several waveguides in high power amplifier provided by the invention, effect is transmission
Signal.As straight wave guide, curved ripple are passed sequentially through in Fig. 1 (a) between first wave guide ET (4) and second level power amplifier module (2)
It leads and is connected with straight wave guide, this high power amplifier has many places to be connected by waveguide, and details are not described herein again.
In the present embodiment, referring to Fig. 3, first wave guide ET (4) is identical with the structure of second waveguide ET (5), with waveguide
ET is as being referred to as, and waveguide ET is there are one public port and two branch ports, and structural member is made of cover board and bottom plate, on cover board
There is location hole, there is positioning pin on bottom plate, the two can be fastenedly connected by cross head screw.Three ports can be by straight
The waveguide port device of waveguide or waveguide bend and other same specifications is attached.Waveguide ET is specifically included:Input waveguide
(41), the first output waveguide (42) and the second output waveguide (43) and Distributed Power Architecture (44).Input waveguide (41) is as public
Port altogether is connected with the first output waveguide (42) and the second output waveguide (43), the first output by Distributed Power Architecture (44)
Waveguide (42) and the second output waveguide (43) are used as branch port.Input waveguide (41), the first output waveguide (42) and second are defeated
Go out waveguide (43) and constitute T-type structure.
In the present embodiment, referring to Fig. 4, first wave guide No. four power divider (6), four road power distribution of second waveguide
Device (7), the 3rd waveguide No. four power divider (8) are identical with the structure of the 4th waveguide No. four power divider (9), this sentences
The structure of one waveguide No. four power divider (6) includes as explanation, the quadruple distributor：3rd waveguide ET (61), the 4th ripple
Lead ET (62), the 5th waveguide ET (63), straight section waveguide (64) and curved waveguide (65)；
3rd waveguide ET (61), the 4th waveguide ET (62) are identical with the structure of the 5th waveguide ET (63).It should be noted that
3rd waveguide ET (61), the 4th waveguide ET (62) and the 5th waveguide ET (63) and foregoing first wave guide ET (4), second waveguide ET
(5) structure is identical, therefore waveguide No. four power divider can be considered as three waveguide ET and several straight section waveguides, curved segment wave band
With being combined into.Therefore, the 3rd waveguide ET (61), the 4th waveguide ET (62) and the 5th waveguide ET (63) include input waveguide
(41), the first output waveguide (42) and the second output waveguide (43) and Distributed Power Architecture；
In the 3rd waveguide ET (61), the 4th waveguide ET (62) and the 5th waveguide ET (63), input waveguide (41) and first
Output waveguide (42), input waveguide (41) and the second output waveguide (43) equal vertical connection, the first output waveguide (42) and second
The horizontal connection of output waveguide (43), it is defeated that Distributed Power Architecture is arranged on input waveguide (41), the first output waveguide (42) and second
Go out waveguide (43) intersection.Distributed Power Architecture is distributed for signal power, an input signal is distributed to be formed it is multiple
Signal output, in the present embodiment, Distributed Power Architecture are to distribute an input signal to form two signal outputs；
Referring to Fig. 5, be provided with raised (66) among Distributed Power Architecture, raised (66) both sides are into a ladder and height
It continuously decreases, for expanding the signal bandwidth entered from input waveguide, by the expansion of bandwidth, can cause the ripple of the present embodiment
Lead the working frequency covering entire Ka wave bands of 26.5-40GHz of No. four power dividers；
Fig. 4 to Fig. 6 is referred to, the vertical portion bottom of every grade of ladder is both provided with chamfering (67), stepped compared to right angle,
Chamfering (67) structure can realize, and easy to process, and the size and shape of chamfering (67) does not limit, as shown in fig. 6, when falling
When angle (67) is sufficiently large, the entire vertical portion of ladder is chamfering (67)；
The first output waveguide of 3rd waveguide ET (61) passes sequentially through straight section waveguide (64), curved waveguide (65) and the 4th ripple
Lead the input waveguide connection of ET (62)；
The second output waveguide of 3rd waveguide ET (61) passes sequentially through straight section waveguide (64), curved waveguide (65) and the 5th ripple
Lead the input waveguide connection of ET (63).
It should be noted that straight section waveguide (64), curved waveguide (65) are mainly the restriction to shape, specific size can
With according to being actually adjusted, for example, what the first output waveguide of the 3rd waveguide ET (61) was connected with the second output waveguide both ends
Straight section waveguide (64) size may be the same or different, and curved waveguide (65) similarly, is not detailed herein.
In the present embodiment, the first output waveguide (42) of the 4th waveguide ET (62), the second of the 4th waveguide ET (62) defeated
Go out the second output waveguide (43) of waveguide (43), the first output waveguide (42) of the 5th waveguide ET (63) and the 5th waveguide ET (63)
In the same plane.
In the present embodiment, the first output waveguide (42) of the 4th waveguide ET (62), the second of the 4th waveguide ET (62) defeated
Go out the second output waveguide (43) of waveguide (43), the first output waveguide (42) of the 5th waveguide ET (63) and the 5th waveguide ET (63)
It is parallel with the input waveguide (41) of the 3rd waveguide ET (61).
In the present embodiment, Fig. 7, Fig. 8 and Fig. 9 are referred to, first order power amplifier module (1), second level power are put
Big device module (2) and third level power amplifier module (3) include：Main body (11), printed wiring board (12), gold thread and monolithic
Microwave integrated circuit (15)；
Main body (11) is provided with ground hole (13) and the passage through main body, and printed wiring board (12) is set in passage, is led to
Road both ends are respectively arranged with input waveguide (17) and output waveguide (18), and for ground hole (13) for installing grounding assembly, monolithic is micro-
Ripple integrated circuit (15) dress is attached to printed wiring board (12) center, and is connected by gold thread with the antenna of printed wiring board (12).
In the present embodiment, first order power amplifier module (1), second level power amplifier module (2) and the third level
Power amplifier (3) module further includes capacitance, and capacitance is feedthrough capacitor；
Main body (11) is additionally provided with capacitance mounting hole (14), the pin of capacitance penetrated from capacitance mounting hole (14) and with printing
Confession electric island connection on wiring board (12), filters for the bypass of monolithic integrated microwave circuit (15).Close to for electric island in passage
Position fluted (16) are set, in order to be connected after the pin bending of capacitance with for electric island.
It should be noted that first order power amplifier module (1), second level power amplifier module (2) and the third level
The structure of power amplifier module (3) is similar, and the difference of three is only in the difference of function, i.e., the gain of three amplifier modules is not
Together, gain can be adjusted according to demand, thus the specification of the monolithic integrated microwave circuit of three and printed wiring board, parameter are not
Together, passage can also carry out cooperation adjustment because of demand.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent substitution to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and scope of various embodiments of the present invention technical solution.
Claims (10)
1. a kind of Ka band broadbands high power amplifier, which is characterized in that including：First order power amplifier module, the second level
Power amplifier module, third level power amplifier module, first wave guide ET, second waveguide ET, first wave guide four road power point
Orchestration, second waveguide No. four power divider, the 3rd waveguide No. four power divider and the 4th waveguide No. four power divider；
The first wave guide ET, the second waveguide ET include input waveguide, the first output waveguide and the second output waveguide and
Distributed Power Architecture, the first wave guide ET are used to input signal equalization being distributed into two-way output signal, the second waveguide
ET is used to two-way input signal synthesis exporting signal all the way；
The output waveguide of the first order power amplifier module is connected with the input waveguide of the first wave guide ET；
Lead between the input waveguide of the first output waveguide and the first wave guide No. four power divider of the first wave guide ET
Cross a second level power amplifier module connection；
Lead between the input waveguide of the second output waveguide and the second waveguide No. four power divider of the first wave guide ET
Cross a second level power amplifier module connection；
Four tunnel output waveguides of first wave guide No. four power divider and the four of the 3rd waveguide No. four power divider
There are four the 3rd pole power amplifier modules for connection between the output waveguide of road；
Four tunnel output waveguides of second waveguide No. four power divider and the four of the 4th waveguide No. four power divider
There are four the 3rd pole power amplifier modules for connection between the output waveguide of road；
The input waveguide of 3rd waveguide No. four power divider is connected with the first output waveguide of the second waveguide ET, institute
The input waveguide for stating the 4th waveguide No. four power divider is connected with the second output waveguide of the second waveguide ET；
The first order power amplifier module, the second level power amplifier module and the third level power amplifier mould
The output form of block is waveguide output；
The input waveguide of the first order power amplifier module is used for input radio frequency signal；
The input waveguide of the second waveguide ET is used to export radiofrequency signal.
2. Ka band broadbands high power amplifier according to claim 1, which is characterized in that further include waveguide isolator；
Pass through an institute between the input waveguide of the output terminal of the first order power amplifier module and the first wave guide ET
State waveguide isolator connection；
Between the input waveguide of the first output waveguide and the first wave guide No. four power divider of the first wave guide ET according to
There are one the second level power amplifier module and a waveguide isolators for secondary connection；
Between the input waveguide of the second output waveguide and the second waveguide No. four power divider of the first wave guide ET according to
There are one the second level power amplifier module and a waveguide isolators for secondary connection；
Lead between the input waveguide of 3rd waveguide No. four power divider and the first output waveguide of the second waveguide ET
Cross a waveguide isolator connection, input waveguide and the second waveguide ET of the 4th waveguide No. four power divider
The second output waveguide between pass through the waveguide isolator and connect.
3. Ka band broadbands high power amplifier according to claim 1, which is characterized in that the four road work(of first wave guide
Rate distributor includes：3rd waveguide ET, the 4th waveguide ET, the 5th waveguide ET, straight section waveguide and curved waveguide；
The 3rd waveguide ET, the 4th waveguide ET and the 5th waveguide ET include input waveguide, the first output waveguide
With the second output waveguide and Distributed Power Architecture；
In the 3rd waveguide ET, the 4th waveguide ET and the 5th waveguide ET, the input waveguide and described first
Output waveguide, the input waveguide and the equal vertical connection of the second output waveguide, first output waveguide and described second
The horizontal connection of output waveguide, the Distributed Power Architecture are arranged on the input waveguide, first output waveguide and described the
Two output waveguide intersections；
Protrusion is provided among the Distributed Power Architecture, the protrusion both sides continuously decrease into a ladder and highly, are used for
Expand the signal bandwidth entered from the input waveguide；
The vertical portion bottom of every grade of ladder is both provided with chamfering；
The first output waveguide of the 3rd waveguide ET passes sequentially through the straight section waveguide, the curved waveguide and the 4th ripple
Lead the input waveguide connection of ET；
The second output waveguide of the 3rd waveguide ET passes sequentially through the straight section waveguide, the curved waveguide and the 5th ripple
Lead the input waveguide connection of ET.
4. Ka band broadbands high power amplifier according to claim 3, which is characterized in that the of the 4th waveguide ET
One output waveguide, the second output waveguide of the 4th waveguide ET, the first output waveguide of the 5th waveguide ET and described
The second output waveguide of five waveguide ET is in the same plane.
5. Ka band broadbands high power amplifier according to claim 4, which is characterized in that the of the 4th waveguide ET
One output waveguide, the second output waveguide of the 4th waveguide ET, the first output waveguide of the 5th waveguide ET and described
The second output waveguide of five waveguide ET is parallel with the input waveguide of the 3rd waveguide ET.
6. Ka band broadbands high power amplifier according to claim 5, which is characterized in that the four road work(of first wave guide
Rate distributor, second waveguide No. four power divider, the 3rd waveguide No. four power divider and the 4th waveguide
The structure of No. four power dividers is identical.
7. Ka band broadbands high power amplifier according to claim 3, which is characterized in that the first wave guide ET and institute
State that the structure of second waveguide ET is identical, the structure phase of the 3rd waveguide ET, the 4th waveguide ET and the 5th waveguide ET
Together.
8. Ka band broadbands high power amplifier according to claim 1, which is characterized in that the first order power amplification
Device module, the second level power amplifier module and the third level power amplifier module include：Main body, printed wire
Plate, gold thread and monolithic integrated microwave circuit；
The main body is provided with ground hole and the passage through the main body；
The printed wiring board is set in the passage；
The passage both ends are respectively arranged with input waveguide and output waveguide；
The ground hole is used to install grounding assembly；
The monolithic integrated microwave circuit dress is attached to the printed wiring board center, and passes through the gold thread and the printed wire
The antenna connection of plate.
9. Ka band broadbands high power amplifier according to claim 8, which is characterized in that the first order power amplification
Device module, the second level power amplifier module and the third level power amplifier module further include capacitance；
The main body is additionally provided with capacitance mounting hole；
The pin of the capacitance is penetrated from the capacitance mounting hole and is connected with the confession electric island in the printed wiring board, for institute
State the bypass filtering of monolithic integrated microwave circuit；
Set in the passage close to the position for electric island it is fluted, in order to after the pin bending of the capacitance with it is described
It is connected for electric island.
10. Ka band broadbands high power amplifier according to claim 9, which is characterized in that the capacitance is punching electricity
Hold.
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| CN201711308210.7A CN108091970B (en) | 2017-12-11 | 2017-12-11 | Ka-band broadband high-power amplifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308210.7A CN108091970B (en) | 2017-12-11 | 2017-12-11 | Ka-band broadband high-power amplifier |
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| CN108091970A true CN108091970A (en) | 2018-05-29 |
| CN108091970B CN108091970B (en) | 2020-06-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865260A (en) * | 2021-02-04 | 2022-08-05 | 广州程星通信科技有限公司 | Power synthesizer applied to Q/V frequency band |
| CN116826341A (en) * | 2023-08-29 | 2023-09-29 | 四川中久防务科技有限公司 | Waveguide power synthesis network topology and synthesis method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011025562A1 (en) * | 2009-08-24 | 2011-03-03 | Raytheon Company | Multi-layer radial power divider/combiner |
| CN205282627U (en) * | 2015-10-20 | 2016-06-01 | 成都威频通讯技术有限公司 | Ware was divided to merit in 16 minutes |
| CN105634418A (en) * | 2014-10-25 | 2016-06-01 | 陕西高新能源发展有限公司 | Power synthesis amplifier |
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2017
- 2017-12-11 CN CN201711308210.7A patent/CN108091970B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011025562A1 (en) * | 2009-08-24 | 2011-03-03 | Raytheon Company | Multi-layer radial power divider/combiner |
| CN105634418A (en) * | 2014-10-25 | 2016-06-01 | 陕西高新能源发展有限公司 | Power synthesis amplifier |
| CN205282627U (en) * | 2015-10-20 | 2016-06-01 | 成都威频通讯技术有限公司 | Ware was divided to merit in 16 minutes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865260A (en) * | 2021-02-04 | 2022-08-05 | 广州程星通信科技有限公司 | Power synthesizer applied to Q/V frequency band |
| CN116826341A (en) * | 2023-08-29 | 2023-09-29 | 四川中久防务科技有限公司 | Waveguide power synthesis network topology and synthesis method thereof |
| CN116826341B (en) * | 2023-08-29 | 2023-12-01 | 四川中久防务科技有限公司 | Waveguide power synthesis network topology and synthesis method thereof |
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| CN108091970B (en) | 2020-06-23 |
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Effective date of registration: 20220901 Address after: 510670 Science Avenue 162 B2 402, Guangzhou High-tech Industrial Development Zone, Guangdong Province Patentee after: GUANGZHOU ANBO COMMUNICATION TECHNOLOGY CO.,LTD. Address before: 510670 Science Avenue 162 B2 402, Guangzhou High-tech Industrial Development Zone, Guangdong Province Patentee before: GUANGZHOU QUANJIE COMMUNICATION TECHNOLOGY CO.,LTD. Patentee before: TIME VARYING TRANSMISSION Co.,Ltd. |