CN208806344U - High-temperature adaptability power splitter - Google Patents
High-temperature adaptability power splitter Download PDFInfo
- Publication number
- CN208806344U CN208806344U CN201821109675.XU CN201821109675U CN208806344U CN 208806344 U CN208806344 U CN 208806344U CN 201821109675 U CN201821109675 U CN 201821109675U CN 208806344 U CN208806344 U CN 208806344U
- Authority
- CN
- China
- Prior art keywords
- bottom board
- ceramic bottom
- power splitter
- inductor
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Filters And Equalizers (AREA)
Abstract
The utility model provides a kind of high-temperature adaptability power splitter, including ceramic bottom board and the casing made by high temperature resistant bakelite, casing is placed on ceramic bottom board, the inductor made using high temperature resistant wire rod is installed on ceramic bottom board, the capacitor and resistor resistant to high temperature made of C0G material, high-temperature adaptability power splitter further includes several connecting lines resistant to high temperature, the paster pin at the ceramic bottom board back side is set there are six end pole piece and respectively led to each end pole piece on ceramic bottom board, several connecting lines are by inductor, capacitor, resistor and six end pole pieces are electrical connected.The utility model guarantees high safety by using ceramic bottom board and high temperature resistant bakelite casing to carry out good insulation;Using C0G material capacitor, there is inductor resistant to high temperature, resistor and connecting line, thereby may be ensured that each device has good Acclimation temperature performance, and then make the power splitter that there is biggish operating temperature range, improve thermal adaptability.
Description
Technical field
The utility model belongs to power splitter field, is to be related to a kind of high-temperature adaptability 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..Power splitter is usually according to circuit diagram, and by resistor, inductance and capacitor simple layout and welding is made on circuit boards
At.The operating temperature range of current general power splitter is -10 DEG C -40 DEG C or -30 DEG C -50 DEG C;It is required that higher power splitter
Operating temperature range is mostly -30 DEG C -85 DEG C or -45 DEG C -80 DEG C;Even if meeting military operating temperature range is also only -55 DEG C -85
℃.However for some special rugged environments, or use, in military domain, the operating temperature of current power splitter is then difficult to reach
It is required that.
Utility model content
It is existing in the prior art to solve the purpose of this utility model is to provide a kind of high-temperature adaptability power splitter
The lesser problem of operating temperature range adaptability of power splitter.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides one kind including ceramic bottom board and by resistance to
The casing of high-temperature electric wood production, the casing are placed on the ceramic bottom board, are equipped on the ceramic bottom board using high temperature resistant
The inductor of wire rod production, the capacitor and resistor resistant to high temperature made of C0G material, the high-temperature adaptability function point
Device further includes several connecting lines resistant to high temperature, is set on the ceramic bottom board there are six end pole piece and respectively draws each end pole piece
Out to the paster pin at the ceramic bottom board back side, several connecting lines are by the inductor, the capacitor, the resistance
Device and six end pole pieces are electrical connected.
Further, the resistor is the film resistor being directly molded in the ceramic bottom board.
Further, the high temperature resistant wire rod is the twisted wire for determining line capacitance amount, and the inductor further includes iron
Oxysome magnetic core, the twisted wire are wound in the ferrite magnetic in the heart.
Further, the exit of the inductor is fixed on the ceramic bottom board using electronic spot-welding.
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 high-temperature adaptability 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 high-temperature adaptability 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 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 high-temperature adaptability power splitter provided by the utility model is: compared with prior art, this reality
High safety is guaranteed to carry out good insulation by using ceramic bottom board and high temperature resistant bakelite casing with novel;Use C0G
Material capacitor has inductor resistant to high temperature, resistor and connecting line, thereby may be ensured that each device has good temperature
Conformability, and then make the power splitter that there is biggish operating temperature range, improve thermal adaptability.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of internal structure of high-temperature adaptability power splitter provided by the embodiment of the utility model;
Fig. 2 is the structural schematic diagram of high-temperature adaptability power splitter provided by the embodiment of the utility model.
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 problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
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.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the description of the present invention, it should be understood that term " center ", " length ", " width ", " thickness ",
The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The specific names that the utility model 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 high-temperature adaptability power splitter provided by the utility model is illustrated.Institute
High-temperature adaptability power splitter is stated, if including ceramic bottom board 11, casing 18, inductor 15, capacitor 14, resistor 13 and involvement
Wiring 16;Inductor 15, capacitor 14 and resistor 13 are mounted on ceramic bottom board 11, and casing 18 covers on ceramic bottom board 11,
For protecting the devices such as inductor 15, capacitor 14, resistor 13;End pole piece 12 and six patches there are six being set on ceramic bottom board 11
Piece pin 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 high-temperature
The use of adaptability power splitter.Several connecting lines 16 are electrical by inductor 15, capacitor 14, resistor 13 and six end pole pieces 12
It is connected.
Inductor 15 is made using high temperature resistant wire rod, so that inductor 15 can have performance resistant to high temperature, can have
Biggish operating temperature range.Capacitor 14 uses C0G material, and ceramic bottom board 11 is burnt by 600 DEG C~800 DEG C of high temperature
It ties, sintered compact product structure, heat resistance is excellent.Use resistor 13 resistant to high temperature and connection resistant to high temperature
Line can have biggish operating temperature range.So as to so that the high-temperature adaptability power splitter has biggish work temperature
Range is spent, thermal adaptability is improved, reaches (- 55 DEG C~125 DEG C) of higher military power splitter operating temperature range requirements.
High-temperature adaptability power splitter provided by the utility model, compared with prior art, the utility model by using
Ceramic bottom board 11 and high temperature resistant bakelite casing 18 guarantee high safety to carry out good insulation;Use C0G material capacitor
14, there is inductor 15 resistant to high temperature, resistor 13 and connecting line 16, thereby may be ensured that each device is suitable with good temperature
Performance is answered, and then makes the power splitter that there is biggish operating temperature range, improves thermal adaptability.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
The high temperature resistant wire rod of specific embodiment, production inductor 15 is twisted wire (not shown), and inductor 15 further includes ferrite core
(not shown), twisted wire are wound in ferrite magnetic in the heart.Using ferrite core, i.e., the magnetic core made using ferrite, Ke Yi
Guarantee under low-loss material also to there is preferable temperature coefficient, can work under higher and lower operating temperature.And it uses
Twisted wire to be conveniently used for determining line capacitance amount, and then can determine the capacitance of inductor 15, reduce device inside parameter and miss
Difference obtains preferably phase balance and high-isolation so as to reduce insertion loss.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
The exit of specific embodiment, inductor 15 is fixed on ceramic bottom board 11 using electronic spot-welding, then can reduce pad
Capacitance, it can reduce the capacitance between 15 exit of inductor and ceramic bottom board 11, reduce the influence to inductor 15,
And then can preferably reach theoretical design requirements, to reach low insertion loss, excellent phase balance, high-isolation is wanted
It asks.
The utility model is wrapped in formation inductor 15 on FERRITE CORE using twisted wire, can by using ferrite core
To reduce loss, and it can be convenient the capacitance between determining line using twisted wire, so as to good increase and determining inductor
15 capacitance, and the exit of inductor 15 is welded on ceramic bottom board 11 using electronic spot-welding, it is possible to reduce inductance
Line capacitance amount between device 15 and ceramic bottom board 11 reduces inside element accidentally so as to preferably determine the capacitance used
Influence in difference and assembling manufacturing process to device, preferably reaches theoretical design requirements, thus reach low insertion loss, it is excellent
Phase balance, the requirement of high-isolation.
Further, capacitor 14 is the capacitor made of C0G material, can preferably guarantee the essence of capacitor 14
Degree, reduces the loss of capacitor 14, and can bear better operating temperature range.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
Specific embodiment, the twisted wire around inductor 15 can be enamel covered wire.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
Specific embodiment, resistor 13 can be the film resistor being directly molded in ceramic bottom board 11, can be with using film resistor
Guarantee higher precision, in addition, directly take shape in film resistor in ceramic bottom board 11, it can be preferably by film resistor and pottery
Porcelain bottom plate 11 is integrally fixed, to improve anti-vibration, shock resistance.Meanwhile film resistor being taken shape in ceramic bottom board 11
It can also preferably radiate, guarantee the stability used.Preferentially, the precise thin fabulous using temperature characterisitic of resistor 13
Film resistance.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
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
The bonding strength of plate 11 facilitates heat dissipation, improves anti-vibration, shock resistance, guarantees the stability used.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
Specific embodiment, it is each that pole piece 12 is held to take shape on ceramic bottom board 11 using palladium-silver conductor material, use palladium-silver conductor material system
Make each end pole piece 12, welding performance can be improved, so as to improve the intensity of welding, reduces capacitance caused by welding,
It is further reduced 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 high-temperature adaptability power splitter provided by the utility model
Specific embodiment, capacitor 14 are welded on ceramic bottom board 11, preferably to fix capacitor 14, increase capacitor 14
Intensity improves anti-vibration, shock resistance, guarantees the stability used.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
Specific embodiment, the high-temperature adaptability power splitter further include the exit for covering inductor 15 and covering inductor 15
Structure (not shown) is protected with the epoxy resin of 11 junction of ceramic bottom board.By using epoxy resin covering inductor 15, with
And exit and 11 junction of ceramic bottom board of covering inductor 15, and it is formed by curing epoxy resin protection structure, it can be more preferable
Protection inductor 15 and inductor 15 exit and 11 junction of ceramic bottom board, reduce external action, while improving anti-
Vibration, shock resistance, guarantee the stability used.Further, epoxy resin protection structure filling enters in inductor 15, with
Preferably inductor 15 is carried out shaping.Preferably improve anti-vibration, shock resistance.Further, epoxy resin is protected
In the minds of the ferrite magnetic that structure filling enters, and be packed between adjacent two circles twisted wire and twisted wire and ferrite magnetic in the heart between
In gap, preferably inductor 15 to be formed, and then inductor 15 preferably is protected, and reduce external action, raising anti-vibration,
Shock resistance.Epoxy resin protection structure is formed it is possible to further use high adhesiveness epoxy resin to make, with more stable
Ground is fixed and protects inductor 15.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
Specific embodiment, the high-temperature adaptability power splitter further include covering 11 inner surface of ceramic bottom board, each end pole piece 12, each connection
Line 16, capacitor 14, inductor 15 and resistor 13 and epoxy resin overlay structure (figure that each connecting line 16 is positioned
Do not show).In the utility model, 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
The inner surface of plate 11 is the one side on ceramic bottom board 11 close to casing 18.It is solid that epoxy resin can be used in epoxy resin overlay structure
Chemical conversion type by the way that epoxy resin is coated in 11 inner surface of ceramic bottom board, and covers each end pole piece 12, each connecting line 16, capacitor
Device 14, inductor 15 and resistor 13, and it is formed by curing epoxy resin overlay structure, these devices can be wrapped up and are fixed into
One, and these devices are fixed on ceramic bottom board 11, preferably to be protected, and improve anti-vibration, shock resistance;
Epoxy resin overlay structure can also carry out shaping connecting line 16 simultaneously, and to fix connecting line 16, it is right to reduce connecting line 16
The influence of each device, and in vibration, it remain stationary connecting line 16 with each device, to enhance anti-vibration, shock resistance.
Epoxy resin overlay structure is formed it is possible to further use high adhesiveness epoxy resin to make, with more stably fixed and guarantor
Protect each 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 high-temperature adaptability power splitter provided by the utility model
Specific embodiment, the high-temperature adaptability power splitter further include being 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 filling knot
Structure (not shown).It, can be by ceramic bottom to be formed by curing epoxy resin interstitital texture by filling epoxy resin into casing 18
Each device solidification between plate 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 high-temperature adaptability power splitter provided by the utility model
Specific embodiment, casing are high temperature resistant bakelite shell.Using bakelite shell, good insulating effect can be played, and can be held
By higher temperature range.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
Specific embodiment, inductor 15 are two, capacitor 14 and two inductors 15 along 11 length direction of ceramic bottom board successively between
Every setting, 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
To be in symmetrical structure by device setting on ceramic bottom board 11, low insertion loss, excellent phase balance, high-isolation are preferably realized
Requirement.
Further, Fig. 1 and Fig. 2 are please referred to, one kind as high-temperature adaptability power splitter provided by the utility model
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 subtract again
Small 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 high-temperature adaptability power splitter provided by the utility model
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 high-temperature adaptability power splitter provided by the utility model
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 company of ceramic bottom board 11
It meets place and is equipped with ribs 181.The structure more casing 18 can be preferably fixed on ceramic bottom board 11, increased bonding strength, mentioned
The anti-vibration of the high high-temperature adaptability power splitter, shock resistance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. high-temperature adaptability power splitter, it is characterised in that: described including ceramic bottom board and the casing made by high temperature resistant bakelite
Casing is placed on the ceramic bottom board, the inductor made using high temperature resistant wire rod is equipped on the ceramic bottom board, using C0G
The capacitor and resistor resistant to high temperature of material production, the high-temperature adaptability power splitter further includes several connections resistant to high temperature
Line sets there are six end pole piece and respectively leads to each end pole piece the patch at the ceramic bottom board back side on the ceramic bottom board
Piece pin, several connecting lines are by the inductor, the capacitor, the resistor and six end pole piece electrical property phases
Even.
2. high-temperature adaptability 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. high-temperature adaptability power splitter as described in claim 1, it is characterised in that: the exit of the inductor is using electricity
Sub- spot welding is fixed on the ceramic bottom board.
4. high-temperature adaptability 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.
5. high-temperature adaptability power splitter as claimed in claim 4, it is characterised in that: each end pole piece uses palladium-silver conductor
Material takes shape on the ceramic bottom board.
6. high-temperature adaptability power splitter as described in claim 1, it is characterised in that: the capacitor welding is in the ceramics
On bottom plate.
7. high-temperature adaptability power splitter as described in claim 1, it is characterised in that: the high-temperature adaptability power splitter is also
Including covering the exit of the inductor and the covering inductor and the epoxy resin guarantor of the ceramic bottom board junction
Protection structure.
8. high-temperature adaptability power splitter as described in claim 1, it is characterised in that: the inductor is two, the electricity
Container and two inductors are successively spaced setting along the ceramic bottom board length direction, and described in the capacitor and two
Inductor is set to corresponding position in the middle part of the ceramic bottom board width direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821109675.XU CN208806344U (en) | 2018-07-11 | 2018-07-11 | High-temperature adaptability power splitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821109675.XU CN208806344U (en) | 2018-07-11 | 2018-07-11 | High-temperature adaptability power splitter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208806344U true CN208806344U (en) | 2019-04-30 |
Family
ID=66228608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821109675.XU Active CN208806344U (en) | 2018-07-11 | 2018-07-11 | High-temperature adaptability power splitter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208806344U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109037869A (en) * | 2018-07-11 | 2018-12-18 | 深圳振华富电子有限公司 | High-temperature adaptability power splitter |
CN111193090A (en) * | 2020-01-07 | 2020-05-22 | 上海科技大学 | +/-45 DEG phase shift dual-frequency band-pass response lumped element power divider with isolation stop band |
-
2018
- 2018-07-11 CN CN201821109675.XU patent/CN208806344U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109037869A (en) * | 2018-07-11 | 2018-12-18 | 深圳振华富电子有限公司 | High-temperature adaptability power splitter |
CN111193090A (en) * | 2020-01-07 | 2020-05-22 | 上海科技大学 | +/-45 DEG phase shift dual-frequency band-pass response lumped element power divider with isolation stop band |
CN111193090B (en) * | 2020-01-07 | 2021-10-26 | 上海科技大学 | +/-45 DEG phase shift dual-frequency band-pass response lumped element power divider with isolation stop band |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103247434B (en) | Combination converter arrangement and switching device | |
CN208806344U (en) | High-temperature adaptability power splitter | |
JP2020535388A (en) | PCB CT element for detecting stand-alone instantaneous current applied to circuit breakers | |
CN208806351U (en) | Low insertion loss formula power splitter | |
CN206460865U (en) | A kind of Integral three-phase current transformer | |
US4507640A (en) | High frequency transformer | |
CN105575642B (en) | The Integral three-phase voltage transformer of resistance is set in a kind of | |
CN208548441U (en) | Three road power splitters | |
CN208548874U (en) | Antivibration dynamic formula power splitter | |
CN110058071A (en) | Zero sequence current sensor circuit topology and switch pole | |
CN205451950U (en) | Aluminum casing wire resistor ware is drawn forth to new construction terminal | |
CN211929256U (en) | Magnetic element, transformer and induction type voltage regulator | |
CN109037869A (en) | High-temperature adaptability power splitter | |
CN205582719U (en) | Interior three -phase integral type voltage transformer who establishes resistance | |
CN109066040A (en) | Low insertion loss formula power splitter | |
CN109103557A (en) | Three road power splitters | |
CN109067380A (en) | Antivibration dynamic formula power splitter | |
CN205723843U (en) | A kind of safety assembled protection structure of lithium battery | |
CN209216722U (en) | Switching mode power supply transformer | |
CN205828127U (en) | A kind of threephase current transformer | |
CN110277622A (en) | Four road power splitters | |
CN202282238U (en) | Indoor current transformer | |
CN207800341U (en) | A kind of band busbar wall-penetrating type current transformer | |
CN215220488U (en) | Double-iron-core DC component-resistant miniature current transformer | |
CN207264983U (en) | A kind of Aftercurrent protecting equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |