CN109103557A - Three road power splitters - Google Patents
Three road power splitters Download PDFInfo
- Publication number
- CN109103557A CN109103557A CN201810758286.8A CN201810758286A CN109103557A CN 109103557 A CN109103557 A CN 109103557A CN 201810758286 A CN201810758286 A CN 201810758286A CN 109103557 A CN109103557 A CN 109103557A
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- Prior art keywords
- pin
- bottom board
- ceramic bottom
- road
- power splitter
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- 239000000919 ceramic Substances 0.000 claims abstract description 80
- 239000003990 capacitor Substances 0.000 claims abstract description 23
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims description 32
- 229920000647 polyepoxide Polymers 0.000 claims description 32
- 229910000859 α-Fe Inorganic materials 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 14
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 230000035939 shock Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The present invention provides a kind of three road power splitters, and including ceramic bottom board and the casing being placed on ceramic bottom board, ceramic bottom board is equipped with eight end pole pieces for being respectively formed eight pins；Three pins are output end, and a pin is input terminal, and four pins are ground terminal；Installed on ceramic bottom board there are three be used for the resistor of buffer action, one be used to play the capacitor of bypass in ground terminal and four are used to carry out the inductor of signal distribution；Three resistors will be connected two-by-two in three output ends respectively.The present invention is by setting capacitor to play bypass in ground terminal, four inductors are arranged to evenly distribute signal, setting resistor is isolated between setting any two input terminal, and ground terminal is set by four in eight pins, to realize large area grounding, to reach high-isolation, and guarantee preferable phase balance, is inserted into the requirement of loss.
Description
Technical field
The invention belongs to power splitter fields, are to be related to a kind of three road power splitters more specifically.
Background technique
Power splitter is a kind of common electronic device, power splitter full name power divider, be it is a kind of will input signal all the way
Energy is divided into the device of two-way or the equal or unequal energy of multiple-channel output.It should ensure that one between the output port of one power splitter
Fixed isolation.It is the important technological parameters power loss (including insertion loss, distribution loss and reflection loss) of power splitter, each
The voltage standing wave ratio of port, isolation, amplitude balance, phase balance, power capacity and frequency band between power distribution port
Width etc..Three road power splitters refer to be inputted all the way, the power splitter of three tunnels output.When first three road power splitter insertion loss relatively
Height, and isolation is lower, is unable to satisfy the needs of some special applications (such as under military project application, adverse circumstances).
Summary of the invention
The purpose of the present invention is to provide a kind of three road power splitters, to solve the insertion of power splitter existing in the prior art
Relatively high, and the problem that isolation is lower is lost.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of three road power splitters, including ceramic bottom board are provided
With the casing being placed on the ceramic bottom board, the ceramic bottom board is equipped with eight end pole pieces for being respectively formed eight pins；Eight
In a pin: the first pin, second pin and the 5th pin are respectively three output ends, and the 6th pin is input terminal, the
Three pins, the 4th pin, the 7th pin and the 8th pin are ground terminal；On the ceramic bottom board installation there are three be used for every
Resistor from effect, a capacitor for playing bypass in ground terminal and four are used to carry out the inductance of signal distribution
Device；Three road power splitter further includes several connecting lines, several connecting lines by four inductors, the capacitor,
Three resistors and eight end pole pieces are electrical connected；Three resistors respectively will be two in three output ends
Two are connected；
Four inductors respectively include the first inductance being connected with first pin, are connected with the second pin
The second inductance, the third inductance being connected with the 5th pin and the signal for inputting the input terminal are evenly distributed to
4th inductance of first inductance, second inductance and the third inductance.
Further, each inductor includes ferrite core and the twisted wire for determining line capacitance amount, the strand
Line is wound in the ferrite magnetic in the heart.
Further, the structure of each inductor is identical.
Further, each resistor is the film resistor being directly molded in the ceramic bottom board.
Further, corresponding to the corresponding described equipped with being welded to connect of the position of each end pole piece on the ceramic bottom board
A pair of of pad of pole piece is held, and this is respectively arranged on the two sides of the ceramic bottom board to pad.
Further, each end pole piece includes that cooperation clamps the U-shaped fork of the ceramic bottom board and drawn by the U-shaped fork
Leg, each U-shaped fork and the corresponding a pair of pad solder.
Further, the length direction of the lateral edge ceramic bottom board of the ceramic bottom board be intervally distributed with the first pin,
Third pin, the 5th pin and the 7th pin；The other side of the ceramic bottom board is along the length direction interval of the ceramic bottom board point
It is furnished with second pin, the 4th pin, the 6th pin and the 8th pin.
Further, three road power splitter further includes each inductor of covering and each inductor of covering
Exit and the epoxy resin of the ceramic bottom board junction protect structure.
Further, three road power splitter further includes being filled between the casing and the ceramic bottom board with by each institute
It states inductor, the capacitor, each resistor, each connecting line, the ceramic bottom board and the casing and is solidified into one
Whole epoxy resin interstitital texture.
Further, three road power splitter further includes covering the ceramic bottom board inner surface, each end pole piece, each institute
Ring that state connecting line, the capacitor, each inductor and each resistor and that each connecting line is positioned
Oxygen resin overlay structure.
The beneficial effect of three road provided by the invention power splitter is: compared with prior art, the present invention passes through setting electricity
Container is arranged four inductors and evenly distributes signal to play bypass in ground terminal, and setting any two input
Resistor is arranged between end to be isolated, and sets ground terminal for four in eight pins, to realize at large area ground connection
Reason, to reach high-isolation, and guarantees preferable phase balance, is inserted into the requirement of loss.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of three road provided in an embodiment of the present invention power splitter.
Fig. 2 is the schematic diagram of internal structure of three road provided in an embodiment of the present invention power splitter；
Fig. 3 is that the structural schematic diagram after inductor and capacitor is removed in Fig. 2；
Fig. 4 is that the structural schematic diagram after the pole piece of end is removed in Fig. 3.
Wherein, each attached drawing main mark in figure:
11- ceramic bottom board；12- pad；13- resistor；131- first resistor；132- second resistance；133- 3rd resistor；
14- capacitor；15- inductor；The first inductance of 151-；The second inductance of 152-；153- third inductance；The 4th inductance of 154-；16- connects
Wiring；The end 17- pole piece；171-U type fork；172- leg；18- casing；The first pin of 1-；2- second pin；3- third pin；4-
4th pin；The 5th pin of 5-；The 6th pin of 6-；The 7th pin of 7-；The 8th pin of 8-.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.In addition, term " first ", " second " are only used
In description purpose, it is not understood to indicate or imply relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more of the features.
In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.In the present invention
Description in, it is to be understood that term " center ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Also referring to Fig. 1 to Fig. 4, now three road provided by the invention power splitter is illustrated.Three road power splitter,
If including ceramic bottom board 11, the inductor 15, one of casing 18, four 14, three, capacitor resistor 13, eight end pole piece 17 and
Involvement wiring 16；Each inductor 15, capacitor 14 and each resistor 13 are mounted on ceramic bottom board 11, and casing 18 is covered in ceramic bottom
On plate 11, for protecting the devices such as inductor 15, capacitor 14, resistor 13；Several connecting lines 16 by four inductors 15, electricity
14, three resistors 13 of container and eight end pole pieces 17 are electrical connected.Eight end pole pieces 17 form eight pins, eight pins point
It Wei not the first pin 1, second pin 2, third pin 3, the 4th pin 4, the 5th pin 5, the 6th pin 6, the 7th pin 7 and
Eight pins 8；Wherein: the first pin 1, second pin 2 and the 5th pin 5 are respectively three output ends, and the 6th pin 6 is input
End, third pin 3, the 4th pin 4, the 7th pin 7 and the 8th pin 8 are ground terminal.Three resistors 13 have been used to be isolated
Effect, three resistors 13 will be connected two-by-two in three output ends respectively；It is connected between the first pin 1 and second pin 2
One resistor 13 is connected with a resistor 13, the first pin 1 and the 5th pin 5 between second pin 2 and the 5th pin 5
Between be connected with a resistor 13.
Four inductors 15 are respectively the first inductance 151, the second inductance 152, third inductance 153 and the 4th inductance 154；The
One inductance 151 is connected with the first pin 1, and the second inductance 152 is connected with second pin 2, third inductance 153 and 5 phase of the 5th pin
Even, the 4th inductance 154 is used to for the signal that input terminal inputs being evenly distributed to the first inductance 151, the second inductance 152 and third electricity
Sense 153, the 4th inductance 154 is connected with the 6th pin 6.
Three road provided by the invention power splitter, compared with prior art, the present invention is by setting capacitor 14 to be grounded
It has held bypass to act on, four inductors 15 is set and evenly distribute signal, be arranged between any two input terminal and be arranged
Resistor 13 is isolated, and sets ground terminal for four in eight pins, to realize large area grounding, to reach
To high-isolation, and guarantee preferable phase balance, is inserted into the requirement of loss.
Further, Fig. 2 and Fig. 3 are please referred to, as a kind of specific embodiment of three road provided by the invention power splitter,
Each inductor 15 includes ferrite core (not shown) and twisted wire (not shown), and twisted wire is wound in ferrite magnetic in the heart.Use iron
Oxysome magnetic core, i.e., the magnetic core made using ferrite can will also have preferable temperature system in the case where guaranteeing low-loss material
Number, can work under higher and lower operating temperature.And twisted wire is used, to be conveniently used for determining line capacitance amount, Jin Erke
To determine the capacitance of inductor 15, reduces device inside parameter error so as to reduce insertion loss and obtain preferably phase
The position degree of balance and high-isolation.
Further, Fig. 2 and Fig. 3 are please referred to, as a kind of specific embodiment of three road provided by the invention power splitter,
The exit of each inductor 15 is fixed on ceramic bottom board 11 using electronic spot-welding, then can reduce the capacitance of pad, i.e.,
The capacitance between 15 exit of inductor and ceramic bottom board 11 can be reduced, reduces the influence to inductor 15, and then can be more
Good reaches theoretical design requirements, thus reach low insertion loss, excellent phase balance, the requirement of high-isolation.
Further, Fig. 2 and Fig. 3 are please referred to, as a kind of specific embodiment of three road provided by the invention power splitter,
The structure of each inductor 15 is identical, i.e. the structure of the first inductance 151, the second inductance 152, third inductance 153 and the 4th inductance 154
It is identical, to reduce cost, while signal can preferably be evenly distributed.
Three road provided by the invention power splitter, compared with prior art, the present invention is wrapped in FERRITE CORE using twisted wire
Upper formation inductor 15, can reduce loss by using ferrite core, and can be convenient the electricity between determining line using twisted wire
Capacity so as to the capacitance of good increase and determining inductor 15, and uses electronic spot-welding drawing inductor 15
Outlet is welded on ceramic bottom board 11, it is possible to reduce the line capacitance amount between inductor 15 and ceramic bottom board 11, so as to more
The capacitance that good determination uses reduces element internal error and assembles the influence in manufacturing process to device, preferably reaches
To theoretical design requirements, thus reach low insertion loss, excellent phase balance, the requirement of high-isolation.
Further, please see Fig. 2 to Fig. 4, a kind of specific embodiment as three road provided by the invention power splitter,
Each resistor 13 can be the film resistor being directly molded in ceramic bottom board 11, use film resistor, it is ensured that higher
Precision can preferably consolidate film resistor and ceramic bottom board 11 in addition, directly taking shape in film resistor in ceramic bottom board 11
It is fixed integral, to improve anti-vibration, shock resistance.Meanwhile film resistor being taken shape in acceptable more preferable in ceramic bottom board 11
Carry out radiate, guarantee the stability used.
Further, please see Fig. 2 to Fig. 4, a kind of specific embodiment as three road provided by the invention power splitter,
Three resistors 13 respectively first resistor 131, second resistance 132 and 3rd resistor 133, first resistor 131 and second resistance
132 are arranged side by side on ceramic bottom board 11；One end of first resistor 131 is connected by printed circuit with the first pin 1, another
End is electrical connected by connecting line 16 with the 5th pin 5；One end of second resistance 132 passes through printed circuit and 2 phase of second pin
Even, the other end is electrical connected by connecting line 16 with the 5th pin 5；One end of 3rd resistor 133 passes through printed circuit and the
Three pins 3 are electrical connected, and the other end is electrical connected by connecting line 16 with the first pin 1 and second pin 2.The structure can be with
Three resistors 13 are separated, to improve isolation, reduces influencing each other between each device, reduces insertion loss.
Further, please see Fig. 2 to Fig. 4, a kind of specific embodiment as three road provided by the invention power splitter,
It is equipped with a pair of of pad 12 corresponding to the position of each end pole piece 17 on ceramic bottom board 11, and this is respectively arranged on the pottery to pad 12
The two sides of porcelain bottom plate 11, for use in corresponding end pole piece 17 is welded to connect, to form corresponding pin.The structure also facilitates simultaneously
It is welded to connect each end pole piece 17.
Further, a kind of specific embodiment as three road provided by the invention power splitter referring to FIG. 1 to FIG. 4,
Each end pole piece 17 includes the U-shaped legs 172 pitching 171 and being drawn by U-shaped fork 171, and U-shaped 171 cooperation of fork clamps ceramic bottom board 11, and
And U-shaped fork 171 is welded with corresponding a pair of of pad 12.End pole piece 17 can be preferably fixed on ceramic bottom board 11 by the structure,
The connection area that end pole piece 17 Yu ceramic bottom board 11 can be increased simultaneously, increases the area of ground terminal.
Further, a kind of specific embodiment as three road provided by the invention power splitter referring to FIG. 1 to FIG. 4,
The width of each leg 172 is less than the width that U-shaped fork 171 is respectively held, to make that pole piece 17 and pad 12 is held to have bigger joint face
Product.
In some other embodiment, each end pole piece 17, which can print, to be taken shape on ceramic bottom board 11, so as to enhance
The bonding strength of each end pole piece 17 and ceramic bottom board 11, facilitates heat dissipation, improves anti-vibration, shock resistance, guarantee to use steady
It is qualitative.
Further, a kind of specific embodiment as three road provided by the invention power splitter referring to FIG. 1 to FIG. 4,
Each end pole piece 17 is made of palladium-silver conductor material, makes each end pole piece 17 using palladium-silver conductor material, weldability can be improved
Can, so as to improve the intensity of welding, reduce capacitance caused by welding, be further reduced influence when production, reduces
Loss is preferably suitble to theoretical design requirements.
Further, referring to Fig. 2, a kind of specific embodiment as three road provided by the invention power splitter, capacitor
Device 14 is welded on ceramic bottom board 11, preferably to fix capacitor 14, increases the intensity of capacitor 14, improve anti-vibration,
Shock resistance guarantees the stability used.
Further, Fig. 1 and Fig. 2 are please referred to, as a kind of specific embodiment of three road provided by the invention power splitter,
The three roads power splitter further includes exit and 11 junction of ceramic bottom board for covering each inductor 15 and each inductor 15 of covering
Epoxy resin protect structure (not shown).Each inductor 15 and each inductor 15 of covering are covered by using epoxy resin
Exit and 11 junction of ceramic bottom board, and be formed by curing epoxy resin protection structure, can preferably protect inductor 15,
And the exit of inductor 15 and 11 junction of ceramic bottom board, reduce external action, while improving anti-vibration, impact resistance
Can, guarantee the stability used.Further, epoxy resin protection structure filling enters in each inductor 15, preferably to each
Inductor 15 carries out shaping.Preferably improve anti-vibration, shock resistance.Further, epoxy resin protects structure filling
In the minds of the ferrite magnetic entered, and be packed between adjacent two circles twisted wire and twisted wire and the gap of ferrite magnetic in the heart in, with
Preferably each inductor 15 is formed, and then preferably protects each inductor 15, and reduce external action, anti-vibration is improved, resists
Impact property.Epoxy resin protection structure is formed it is possible to further use high adhesiveness epoxy resin to make, with more stably
Fixed and each inductor 15 of protection.
Further, Fig. 1 and Fig. 2 are please referred to, as a kind of specific embodiment of three road provided by the invention power splitter,
The three roads power splitter further includes covering 11 inner surface of ceramic bottom board, each end pole piece 17, each connecting line 16, capacitor 14, each inductance
Device 15 and each resistor 13 and epoxy resin overlay structure (not shown) that each connecting line 16 is positioned.In the present invention,
The inner surface of ceramic bottom board 11 refers in particular to the one side opposite with 11 back side of ceramic bottom board, and the inner surface of ceramic bottom board 11 is ceramic bottom
Close to the one side of casing 18 on plate 11.Epoxy resin cure molding can be used in epoxy resin overlay structure, by by asphalt mixtures modified by epoxy resin
Rouge is coated in 11 inner surface of ceramic bottom board, and covers each end pole piece 17, each connecting line 16, capacitor 14, each inductor 15 and each
Resistor 13, and be formed by curing epoxy resin overlay structure, these devices can be wrapped up and be integrally fixed, and by these devices
Part is fixed on ceramic bottom board 11, preferably to be protected, and improves anti-vibration, shock resistance；Epoxy resin covers simultaneously
Lid structure can also carry out shaping connecting line 16, to fix connecting line 16, reduce influence of the connecting line 16 to each device, and
And in vibration, it remain stationary connecting line 16 with each device, to enhance anti-vibration, shock resistance.It is possible to further make
It makes to form epoxy resin overlay structure of high adhesiveness epoxy resin, with more stably fixed and each device of protection.
Still further, epoxy resin overlay structure can wrap epoxy resin protection structure, epoxy resin is covered
Lid structure and epoxy resin protection structure form overall structure, and each device installed on ceramic bottom board 11 is preferably made to form one
A overall structure enhances anti-vibration, shock resistance.
Further, in processing and fabricating, after having made inductor 15, asphalt mixtures modified by epoxy resin can be filled on inductor 15
Rouge with solidifying and setting inductor 15, then inductor 15 is welded on ceramic bottom board 11, and re-coating epoxy resin cure forms ring
Oxygen resin protects structure.And it is installed on ceramic bottom board 11 when each device, and after being electrical connected with connecting line 16, refill ring
Oxygen resin is formed by curing epoxy resin overlay structure, thus in each step of assembling processing, good each device of protection,
Influence when reducing assembly operation to device reduces loss, guarantees excellent phase balance and high-isolation.
Further, Fig. 1 and Fig. 2 are please referred to, as a kind of specific embodiment of three road provided by the invention power splitter,
The three roads power splitter further includes being filled between casing 18 and ceramic bottom board 11 with by each inductor 15, capacitor 14, each resistance
Device 13, each connecting line 16, ceramic bottom board 11 and casing 18 solidify integral epoxy resin interstitital texture (not shown).Pass through
Epoxy resin is filled into casing 18, it, can will be between ceramic bottom board 11 and casing 18 to be formed by curing epoxy resin interstitital texture
The solidification of each device it is integral, preferably protect each device, while improving anti-vibration, shock resistance.
Further, in the process of processing and manufacturing, after can first making epoxy resin overlay structure on ceramic bottom board 11,
Then casing 18 is covered, production epoxy resin interstitital texture is refilled, to can preferably protect each device in an assembling process
Part, influence when reducing assembly operation to device, reduces loss, guarantees excellent phase balance and high-isolation.
Further, a kind of specific embodiment as three road provided by the invention power splitter referring to FIG. 1 to FIG. 4,
The length direction of one lateral edge of ceramic bottom board 11 ceramic bottom board 11 is intervally distributed with the first pin 1, third pin the 3, the 5th draws
Foot 5 and the 7th pin 7；The other side of the ceramic bottom board 11 is intervally distributed with second along the length direction of the ceramic bottom board 11 and draws
Foot 2, the 4th pin 4, the 6th pin 6 and the 8th pin 8.That is the first pin 1, third pin 3, the 5th pin 5 and the 7th pin 7
The side of ceramic bottom board 11 is distributed in along the length direction of ceramic bottom board 11；Second pin 2, the 4th pin 4, the 6th pin
6 and the 8th pin 8 other side of ceramic bottom board 11 is distributed in along the length direction of ceramic bottom board 11.The structure can be more preferable
Each inductor 15 of layout, each resistor 13 and capacitor 14 position, reduce connecting line 16 and printed wire, while by each device
Part separates, and reduces influencing each other between device, reduces insertion loss, guarantees preferable phase balance and high-isolation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. three road power splitters, it is characterised in that: including ceramic bottom board and the casing being placed on the ceramic bottom board, the ceramic bottom
Plate is equipped with eight end pole pieces for being respectively formed eight pins；In eight pins: the first pin, second pin and the 5th draw
Foot is respectively three output ends, and the 6th pin is input terminal, and third pin, the 4th pin, the 7th pin and the 8th pin are
Ground terminal；Install that the resistor of buffer action, one in ground terminal for bypassing there are three be used on the ceramic bottom board
The capacitor of effect and four are for carrying out the inductor of signal distribution；Three road power splitter further includes several connecting lines, if
The connecting line is done by four inductors, the capacitor, three resistors and eight end pole piece electrical property phases
Even；Three resistors will be connected two-by-two in three output ends respectively；
Four inductors respectively include the first inductance being connected with first pin, to be connected with the second pin
Two inductance, the third inductance being connected with the 5th pin and the signal for inputting the input terminal are evenly distributed to described
4th inductance of the first inductance, second inductance and the third inductance.
2. three road as described in claim 1 power splitter, it is characterised in that: each inductor includes ferrite core and is used for
Determine that the twisted wire of line capacitance amount, the twisted wire are wound in the ferrite magnetic in the heart.
3. three road as described in claim 1 power splitter, it is characterised in that: the structure of each inductor is identical.
4. three road as described in claim 1 power splitter, it is characterised in that: each resistor is to be directly molded on the ceramics
Film resistor in bottom plate.
5. three road as described in claim 1 power splitter, it is characterised in that: correspond to each end pole piece on the ceramic bottom board
Position be equipped with a pair of of the pad for being welded to connect the corresponding end pole piece, and this is respectively arranged on the ceramic bottom board to pad
Two sides.
6. three road as claimed in claim 5 power splitter, it is characterised in that: each end pole piece includes that cooperation clamps the ceramics
The U-shaped fork of bottom plate and the leg drawn by the U-shaped fork, each U-shaped fork and corresponding a pair of pad solder.
7. three road as claimed in any one of claims 1 to 6 power splitter, it is characterised in that: a lateral edge of the ceramic bottom board pottery
The length direction of porcelain bottom plate is intervally distributed with the first pin, third pin, the 5th pin and the 7th pin；The ceramic bottom board
The other side is intervally distributed with second pin, the 4th pin, the 6th pin and the 8th pin along the length direction of the ceramic bottom board.
8. three road as claimed in any one of claims 1 to 6 power splitter, it is characterised in that: three road power splitter further includes covering
The epoxy resin of the exit and the ceramic bottom board junction of each inductor and each inductor of covering, which is protected, to be tied
Structure.
9. three road as claimed in any one of claims 1 to 6 power splitter, it is characterised in that: three road power splitter further includes filling
With by each inductor, the capacitor, each resistor, each company between the casing and the ceramic bottom board
Wiring, the ceramic bottom board and the casing solidify integral epoxy resin interstitital texture.
10. three road as claimed in any one of claims 1 to 6 power splitter, it is characterised in that: three road power splitter further includes covering
Cover the ceramic bottom board inner surface, each end pole piece, each connecting line, the capacitor, each inductor and each institute
Epoxy resin overlay structure that state resistor and that each connecting line is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758286.8A CN109103557A (en) | 2018-07-11 | 2018-07-11 | Three road power splitters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758286.8A CN109103557A (en) | 2018-07-11 | 2018-07-11 | Three road power splitters |
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| CN109103557A true CN109103557A (en) | 2018-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277622A (en) * | 2019-06-19 | 2019-09-24 | 深圳振华富电子有限公司 | Four road power splitters |
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| CN110277622A (en) * | 2019-06-19 | 2019-09-24 | 深圳振华富电子有限公司 | Four road power splitters |
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