CN109066040A - Low insertion loss formula power splitter - Google Patents
Low insertion loss formula power splitter Download PDFInfo
- Publication number
- CN109066040A CN109066040A CN201810759355.7A CN201810759355A CN109066040A CN 109066040 A CN109066040 A CN 109066040A CN 201810759355 A CN201810759355 A CN 201810759355A CN 109066040 A CN109066040 A CN 109066040A
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- Prior art keywords
- bottom board
- ceramic bottom
- insertion loss
- power splitter
- inductor
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- 238000003780 insertion Methods 0.000 title claims abstract description 56
- 230000037431 insertion Effects 0.000 title claims abstract description 56
- 239000000919 ceramic Substances 0.000 claims abstract description 79
- 239000003990 capacitor Substances 0.000 claims abstract description 38
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 12
- 239000003822 epoxy resin Substances 0.000 claims description 30
- 229920000647 polyepoxide Polymers 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229920001342 Bakelite® Polymers 0.000 claims description 7
- 239000004637 bakelite Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 12
- 230000035939 shock Effects 0.000 description 10
- 239000010408 film Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 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
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010409 thin film Substances 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The present invention provides a kind of low insertion loss formula power splitter, including ceramic bottom board and casing, inductor, capacitor and resistor are installed on ceramic bottom board;Inductor includes ferrite core and twisted wire, and twisted wire is wound in ferrite magnetic in the heart, and the exit of inductor is fixed on ceramic bottom board using electronic spot-welding;The low insertion loss formula power splitter further includes several connecting lines, set on ceramic bottom board there are six hold pole piece.By the present invention in that loss can be reduced with ferrite core, and it can be convenient the capacitance between determining line using twisted wire, so as to the capacitance of good increase and determining inductor, and the exit of inductor is welded on ceramic bottom board using electronic spot-welding, the line capacitance amount between inductor and ceramic bottom board can be reduced, so as to preferably determine the capacitance used, to reach low insertion loss, excellent phase balance, the requirement of high-isolation.
Description
Technical field
The invention belongs to power splitter fields, are to be related to a kind of low insertion loss formula power splitter 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..
Current power splitter by resistor, inductance and capacitor simple layout and is welded on circuit boards according to circuit diagram
It is made.This power splitter insertion loss is relatively high, and isolation is lower and phase balance is poor, and it is some special to be unable to satisfy
Using the needs of (such as under military project application, adverse circumstances).
Summary of the invention
The purpose of the present invention is to provide a kind of low insertion loss formula power splitters, to solve function existing in the prior art point
The insertion loss of device is relatively high, and isolation is lower and the poor problem of phase balance.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of low insertion loss formula power splitter is provided, including
Ceramic bottom board and the casing being placed on the ceramic bottom board are equipped with inductor, capacitor and resistor on the ceramic bottom board;
The inductor includes ferrite core and the twisted wire for determining line capacitance amount, and the twisted wire is wound in the ferrite magnetic
In the heart, the exit of the inductor is fixed on the ceramic bottom board using electronic spot-welding;The low insertion loss formula function point
Device further includes several connecting lines, is set on the ceramic bottom board there are six end pole piece and is led to respectively by each end pole piece described
The paster pin at the ceramic bottom board back side, several connecting lines are by the inductor, the capacitor, the resistor and six
The end pole piece is electrical connected.
Further, the resistor is the film resistor being directly molded in the ceramic bottom board.
Further, each end pole piece printing takes shape on the ceramic bottom board.
Further, each end pole piece is taken shape on the ceramic bottom board using palladium-silver conductor material.
Further, the capacitor welding is on the ceramic bottom board.
Further, the low insertion loss formula power splitter further includes covering the inductor and the covering inductance
The exit of device and the epoxy resin of the ceramic bottom board junction protect structure.
Further, the low insertion loss formula power splitter further includes being filled between the casing and the ceramic bottom board
The inductor, the capacitor, the resistor, the connecting line, the ceramic bottom board and the casing to be solidified into
One whole epoxy resin interstitital texture.
Further, the casing is high temperature resistant bakelite shell.
Further, the capacitor is the capacitor made of C0G material.
Further, the inductor is two, and the capacitor and two inductors are long along the ceramic bottom board
Degree direction is successively spaced setting, and the capacitor and two inductors are right in the middle part of the ceramic bottom board width direction
The position answered.
The beneficial effect of low insertion loss formula power splitter provided by the invention is: compared with prior art, the present invention makes
It is wrapped on FERRITE CORE with twisted wire and forms inductor, loss can be reduced by using ferrite core, and use twisted wire
It can be convenient the capacitance between determining line, so as to the capacitance of good increase and determining inductor, and use electronics
The exit of inductor is welded on ceramic bottom board by spot welding, it is possible to reduce the line capacitance amount between inductor and ceramic bottom board,
So as to preferably determining the capacitance used, reducing element internal error and assembling the shadow in manufacturing process to device
It rings, preferably reaches theoretical design requirements, thus reach low insertion loss, excellent phase balance, the requirement of high-isolation.
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 schematic diagram of internal structure of low insertion loss formula power splitter provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of low insertion loss formula power splitter provided in an embodiment of the present invention.
Wherein, each attached drawing main mark in figure:
11- ceramic bottom board;The end 12- pole piece;13- resistor;14- capacitor;15- inductor;16- connecting line;17- draws
Foot;18- casing;181- ribs.
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 used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed 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 description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
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.
The specific names that the present invention uses are explained as follows:
The capacitor of C0G material production refers in particular to the 1 class ceramic capacitor made using Unite States Standard.
High temperature resistant bakelite refers in particular to can be with high temperature resistant up to 160 DEG C of bakelite.
Resistor resistant to high temperature refers in particular to can be with high temperature resistant up to 200 DEG C or more of resistance.
Connecting line resistant to high temperature refers in particular to reach with high temperature resistant 180 DEG C of wire rod.
The production of high temperature resistant wire rod refers in particular to reach with high temperature resistant 180 DEG C of wire rod.
Also referring to Fig. 1 and Fig. 2, now low insertion loss formula power splitter provided by the invention is illustrated.It is described low
Insertion loss formula power splitter, including ceramic bottom board 11, casing 18, inductor 15, capacitor 14, resistor 13 and several connecting lines
16;Inductor 15, capacitor 14 and resistor 13 are mounted on ceramic bottom board 11, and casing 18 covers on ceramic bottom board 11, are used to
Protect the devices such as inductor 15, capacitor 14, resistor 13;End pole piece 12 and six patches draw there are six setting on ceramic bottom board 11
Foot 17, six end pole pieces 12 are led to 11 back side of ceramic bottom board respectively by six paster pins 17, to facilitate the low insertion loss
The use of formula power splitter.Several connecting lines 16 are by inductor 15, capacitor 14, resistor 13 and the electrical phases of six end pole pieces 12
Even.
Inductor 15 includes ferrite core (not shown) and twisted wire (not shown), and twisted wire is wound in ferrite magnetic in the heart,
Using ferrite core, the loss of inductor 15 can be reduced, with into higher temperature range can be born;And twisted wire is used,
It to be conveniently used for determining line capacitance amount, and then can determine the capacitance of inductor 15, reduce device inside parameter error;Electricity
The exit of sensor 15 is fixed on ceramic bottom board 11 using electronic spot-welding, then can reduce the capacitance of pad, it can
The capacitance between 15 exit of inductor and ceramic bottom board 11 is reduced, reduces the influence to inductor 15, and then can be better
Reach theoretical design requirements, thus reach low insertion loss, excellent phase balance, the requirement of high-isolation.
Low insertion loss formula power splitter provided by the invention, compared with prior art, the present invention is wrapped in iron using twisted wire
Inductor 15 is formed on ferrite core, loss can be reduced by using ferrite core, and can be convenient determination using twisted wire
Capacitance between line so as to the capacitance of good increase and determining inductor 15, and uses electronic spot-welding by inductance
The exit of device 15 is welded on ceramic bottom board 11, it is possible to reduce the line capacitance amount between inductor 15 and ceramic bottom board 11, from
And can preferably determine the capacitance used, reduce element internal error and assemble the influence in manufacturing process to device,
Preferably reach theoretical design requirements, thus reach low insertion loss, excellent phase balance, the requirement of high-isolation.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, resistor 13 can be the film resistor being directly molded in ceramic bottom board 11, use film resistor, it is ensured that
Higher precision, in addition, directly take shape in film resistor in ceramic bottom board 11, it can be preferably by film resistor and ceramic bottom
Plate 11 is integrally fixed, to improve anti-vibration, shock resistance.Meanwhile film resistor being taken shape in ceramic bottom board 11 and may be used also
Preferably to radiate, guarantee the stability used.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, it is each that the printing of pole piece 12 is held to take shape on ceramic bottom board 11, so as to enhance each end pole piece 12 and ceramic bottom board 11
Bonding strength, facilitate heat dissipation, improve anti-vibration, shock resistance, guarantee the stability used.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, it is each that pole piece 12 is held to take shape on ceramic bottom board 11 using palladium-silver conductor material, it is made using palladium-silver conductor material each
Pole piece 12 is held, welding performance can be improved, so as to improve the intensity of welding, reduces capacitance caused by welding, into one
Step reduces influence when production, reduces loss, is preferably suitble to theoretical design requirements.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, capacitor 14 are welded on ceramic bottom board 11, preferably to fix capacitor 14, increase the strong of capacitor 14
Degree improves anti-vibration, shock resistance, guarantees the stability used.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, the low insertion loss formula power splitter further include the exit and pottery for covering inductor 15 and covering inductor 15
The epoxy resin of 11 junction of porcelain bottom plate protects structure (not shown).Inductor 15 is covered by using epoxy resin and is covered
The exit of lid inductor 15 and 11 junction of ceramic bottom board, and it is formed by curing epoxy resin protection structure, it can preferably protect
Exit and 11 junction of ceramic bottom board for protecting inductor 15 and inductor 15, reduce external action, while improving antivibration
Dynamic, shock resistance, guarantees the stability used.Further, epoxy resin protection structure filling enters in inductor 15, with more
Good carries out shaping inductor 15.Preferably improve anti-vibration, shock resistance.Further, epoxy resin protection knot
In the minds of the ferrite magnetic that structure is packed into, and it is packed between adjacent two circles twisted wire and twisted wire and the gap of ferrite magnetic in the heart
In, preferably inductor 15 to be formed, and then inductor 15 preferably is protected, and reduce external action, improves anti-vibration, 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 protection inductor 15.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, the low insertion loss formula power splitter further include covering 11 inner surface of ceramic bottom board, each end pole piece 12, each connecting line
16, capacitor 14, inductor 15 and resistor 13 and epoxy resin overlay structure that each connecting line 16 is positioned (figure is not
Show).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 ceramic bottom board 11
Inner surface is the one side on ceramic bottom board 11 close to casing 18.Epoxy resin overlay structure can be used epoxy resin cure at
Type, by by epoxy resin be coated in 11 inner surface of ceramic bottom board, and cover each end pole piece 12, each connecting line 16, capacitor 14,
Inductor 15 and resistor 13, and it is formed by curing epoxy resin overlay structure, these devices can be wrapped up and are integrally fixed,
And these devices are fixed on ceramic bottom board 11, preferably to be protected, and improve anti-vibration, shock resistance;Simultaneously
Epoxy resin overlay structure can also carry out shaping connecting line 16, to fix connecting line 16, reduce connecting line 16 to each device
The influence of part, and in vibration, it remain stationary connecting line 16 with each device, to enhance anti-vibration, shock resistance.Into one
Step ground, can be used high adhesiveness epoxy resin and makes to form epoxy resin overlay structure, with more stably fixed each with protection
Device.
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, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, the low insertion loss formula power splitter further include be filled between casing 18 and ceramic bottom board 11 with by inductor 15,
Capacitor 14, resistor 13, connecting line 16, ceramic bottom board 11 and casing 18 solidify integral epoxy resin interstitital texture
(not shown).It, can be by ceramic bottom board to be formed by curing epoxy resin interstitital texture by filling epoxy resin into casing 18
Each device solidification between 11 and casing 18 is integral, preferably protects 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, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, casing are high temperature resistant bakelite shell.Using bakelite shell, good insulating effect can be played, and can be born more
High temperature range.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, capacitor 14 is the capacitor 14 made of C0G material, so as to preferably guarantee the essence of capacitor 14
Degree, reduces the loss of capacitor 14, and can bear better operating temperature range.
Further, using ferrite core, i.e., the magnetic core made using ferrite can guarantee low-loss material
Under, also there is preferable temperature coefficient, can work under higher and lower operating temperature.Capacitor 14 uses C0G material, pottery
Porcelain bottom plate 11 is formed by 600 DEG C~800 DEG C of high temperature sintering, sintered compact product structure, and heat resistance is excellent.
The precision thin-film resistor fabulous using temperature characterisitic of resistor 13;Twisted wire around inductor 15 can be enamel covered wire, and
Twisted wire and connecting line 16 reach the wire rod of 180 DEG C of materials using high temperature resistant, and casing uses bakelite material resistant to high temperature, so as to reach
It is required to (- 55 DEG C~125 DEG C) of military power splitter operating temperature range.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, inductor 15 are two, and capacitor 14 and two inductors 15 are successively spaced along 11 length direction of ceramic bottom board and set
It sets, and capacitor 14 and two inductors 15 are set to corresponding position in the middle part of 11 width direction of ceramic bottom board.The structure can incite somebody to action
Device setting is in symmetrical structure on ceramic bottom board 11, preferably realizes that low insertion loss, excellent phase balance, high-isolation are wanted
It asks.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, it is each to hold pole piece 12 in rectangle, and the size of each end pole piece 12 is identical, that is, facilitates production, while can reduce again each
Exit capacitor difference, thus preferably realize low insertion loss, excellent phase balance, the requirement of high-isolation.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, six end pole pieces 12 are symmetrically set in the two sides of 11 length direction of ceramic bottom board.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as low insertion loss formula power splitter provided by the invention is specific
Embodiment, 18 buckle closure of casing is on ceramic bottom board 11, and the two sides of 18 width direction of casing are in the junction of ceramic bottom board 11
Equipped with ribs 181.The structure more casing 18 can be preferably fixed on ceramic bottom board 11, increase bonding strength, and improving should
The anti-vibration of low insertion loss formula power splitter, shock resistance.
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. low insertion loss formula power splitter, it is characterised in that: including ceramic bottom board and the casing being placed on the ceramic bottom board, institute
It states and inductor, capacitor and resistor is installed on ceramic bottom board;The inductor includes ferrite core and for determining line
Between capacitance twisted wire, the twisted wire is wound in the ferrite magnetic in the heart, and the exit of the inductor uses electronic spot-welding
It is fixed on the ceramic bottom board;The low insertion loss formula power splitter further includes several connecting lines, is set on the ceramic bottom board
Each end pole piece there are six end pole piece and is led to the paster pin at the ceramic bottom board back side, several connections respectively
The inductor, the capacitor, the resistor and six end pole pieces are electrical connected by line.
2. low insertion loss formula power splitter as described in claim 1, it is characterised in that: the resistor is is directly molded on
State the film resistor in ceramic bottom board.
3. low insertion loss formula power splitter as described in claim 1, it is characterised in that: each end pole piece printing takes shape in institute
It states on ceramic bottom board.
4. low insertion loss formula power splitter as claimed in claim 3, it is characterised in that: each end pole piece uses palladium-silver conductor
Material takes shape on the ceramic bottom board.
5. low insertion loss formula power splitter according to any one of claims 1-4, it is characterised in that: the capacitor welding in
On the ceramic bottom board.
6. low insertion loss formula power splitter according to any one of claims 1-4, it is characterised in that: the low insertion loss formula
Power splitter further includes the exit for covering the inductor and the covering inductor and the ring of the ceramic bottom board junction
Oxygen resin protects structure.
7. low insertion loss formula power splitter according to any one of claims 1-4, it is characterised in that: the low insertion loss formula
Power splitter further includes being filled between the casing and the ceramic bottom board with by the inductor, the capacitor, the electricity
Resistance device, the connecting line, the ceramic bottom board and the casing solidify integral epoxy resin interstitital texture.
8. low insertion loss formula power splitter according to any one of claims 1-4, it is characterised in that: the casing is high temperature resistant
Bakelite shell.
9. low insertion loss formula power splitter according to any one of claims 1-4, it is characterised in that: the capacitor is to use
The capacitor of C0G material production.
10. low insertion loss formula power splitter according to any one of claims 1-4, it is characterised in that: the inductor is two
A, the capacitor and two inductors are successively spaced setting, and the capacitor along the ceramic bottom board length direction
And two inductors are set to corresponding position in the middle part of the ceramic bottom board width direction.
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CN201810759355.7A CN109066040A (en) | 2018-07-11 | 2018-07-11 | Low insertion loss formula power splitter |
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CN201810759355.7A CN109066040A (en) | 2018-07-11 | 2018-07-11 | Low insertion loss formula power splitter |
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