CN101901953A - Circulator/isolator - Google Patents
Circulator/isolator Download PDFInfo
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- CN101901953A CN101901953A CN2009101734622A CN200910173462A CN101901953A CN 101901953 A CN101901953 A CN 101901953A CN 2009101734622 A CN2009101734622 A CN 2009101734622A CN 200910173462 A CN200910173462 A CN 200910173462A CN 101901953 A CN101901953 A CN 101901953A
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- Prior art keywords
- housing
- cover
- circulator
- isolator
- hook portion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/387—Strip line circulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
Abstract
The present invention relates to a circulator/isolator, including a housing having side walls and bottoms to form an accepting space in the housing; stacking parts including a lower ferrite, a connecting piece, an upper ferrite, a magnetic pole piece and a magnet which are stacked in the housing; and a cover connecting to the housing on the upper side of the housing. The cover includes a top part and a side outer circumference part, the side outer circumference part is provided with a plurality of hook parts, and each hook part is projected upwards inside the side outer circumference part from one point. Stop projections projecting outside the side wall are formed on the upper end of the housing so as to fasten the hook parts to fasten the cover and the housing.
Description
The cross reference of related application
The application requires to submit on May 27th, 2009 preference of the korean patent application No.2009-0046572 of Korea S Department of Intellectual Property, and the disclosure of this korean patent application is incorporated in this mode by reference.
Technical field
The present invention relates to a kind of Nonreciprocal circuit element (being circulator/isolator) that is used for such as the wireless communication system of amplifier, more specifically, relate to following a kind of Nonreciprocal circuit element: it is suitable as embedded toroidal device/isolator, guarantee shell structure with the firm of cover and connect reliably, thereby and be convenient to cover fasteningly help adjusting or keep in repair with separating.
Background technology
Irreversible circuit element, be the passive component that circulator/isolator is to use ferritic microwave rotation phenomenon with characteristics of non-reciprocity.Circulator/isolator is mainly used in wireless communication system, carrying out such as stable operation power amplifier, impedance matching, to remove the function of reflected wave etc., thereby plays remarkable effect in wireless communication system stable.Circulator has irreversibility, and therefore, reverse signal or reflected wave that it does not allow to import reenter input side and recurrence, and circulator can be realized isolator by the end resistor that installation is connected to a terminal of this circulator.
This circulator/isolator can be divided into and is applicable to mobile communication terminal or transponder and is applicable to the lumped element type circulator/isolator of miniature device and is applicable to distributed component type circulator/isolator such as the high power system of base station etc.Embedded toroidal device/isolator is distributed component type circulator/isolator, and it is implemented as the form that band line Y shape connects.Compare with other distribution monolithic devices elements, embedded isolator helps its small size and light weight, has good characteristics such as low such as the insertion loss, that isolation is good, and is easy to enlarge frequency bandwidth.
Embedded isolator has can increase the trend of its allowance power scope with the big output variable that satisfies system.When power output increases and since isolator in ferritic non-linear, third order intermodulation (IMD) effect in the IMD characteristic that is produced is given prominence to (significantly).Therefore, need be used to reduce the method for this three rank IMD effects.Especially, at the low IMD product with narrow-band characteristic or have in the situation of product that very high characteristic requires (demand) level, three rank IMD effects need suppress by regulating assembling parts.
The housing of the common embedded toroidal device/isolator of tradition is made by machining is whole, so its processing cost height, and its manufacturing cycle is long.Therefore, in order to make the cheap housing that is suitable for producing in batches, make the housing (seeing Fig. 1 a and 1b) that utilizes pressing mold rather than machining to process.
Fig. 1 a illustrates the shell structure of circulator/isolator of prior art and the assembling view of cover, and Fig. 1 b is the assembling view of circulator/isolator that adopts the shell structure of Fig. 1 a.With reference to Fig. 1 a, this shell structure comprises base plate 11 and the cylindrical housings 12 that forms by extruding.Terminal holds on the sidewall that recess 12a is formed on housing 12.
In the time of in the fastening projection 15a on the lower surface that is formed on housing 12 simply is press fit into the hole 11a that is formed in the base plate 11, housing 12 and base plate 11 connect.After shell structure connected, as shown in Fig. 1 b, isolator part for example bottom ferrite 16a, connecting piece 17, top ferrite 16b, pole piece 18, magnet 19 and temperature compensator 22 was put into the spatial accommodation of housing 12 with stack manner.At last, push the cover 13 that is jar type top downwards towards housing 12, will cover 13 thus and be fastened to housing 12 with covering shell 12.Circulator/isolator 10 can be installed on the circuit board via plate fastener hole 11b.
Yet, when housing covers by using a jar type cover 13, in case cover 13 fastened, then or else can separate this cover (if a jar type cover 13 is forced to separate, may damage contents or shell structure itself in the housing), and cover 13 and can not reuse, make and to regulate or to keep in repair the isolator part, and feasible being difficult to suppressed three rank IMD effects by regulating.
In addition, when housing 12 and base plate 11 are fastening by simple interference fit, between housing 12 and the base plate 11 to connect power not enough, so housing 12 can separate or separate with base plate 11 because of external impact.In this case, thereby the grounding characteristics that has reduced circulator/isolator 10 causes the variation of isolation characteristic, and the long-term reliability of product is had negative effect.
Summary of the invention
An aspect of of the present present invention provides a kind of circulator/isolator of cheapness, and this circulator/isolator comprises housing and cover, and this housing can easily connect with cover and can easily regulate or keep in repair by separating with fastening again repeatedly of cover where necessary.
Another aspect of the present invention provides a kind of circulator/isolator of cheapness, and this circulator/isolator has with the strong adhesion shell structure of (promptly adhering to), and this circulator/isolator is firm and be suitable for producing in batches.
According to an aspect of the present invention, provide a kind of circulator/isolator, having comprised: housing, this housing have sidewall and bottom to form spatial accommodation in housing; Pile up part (being stacked components or laminated member), this piles up part and comprises with stack manner and be contained in bottom ferrite, connecting piece, top ferrite, pole piece and magnet in the spatial accommodation of housing; And cover, this place, top that covers on housing is connected to housing.
This cover can comprise top and side peripheral part, and this side peripheral part can comprise a plurality of hook portions, each equal a bit projecting upwards upward in inside of peripheral part from the side of described hook portion.
The retention tab that is projected into the outside of sidewall can be formed on the upper end of the sidewall of housing, makes hook portion may be stuck on the lower surface of retention tab, thus fastening cover and housing.
A plurality of hook portions can comprise the side peripheral part a pair of hook portion adjacent one another are that is positioned to along cover, and horizontally rotating retainer is arranged between this is to hook portion, and extend downwards from the part of retention tab, to prevent this hook portion is moved horizontally under cover and state that housing connects.
Hook assembling guide portion can be arranged on the place, end of retention tab and extend from retention tab, so that be projected into the outside of the sidewall of housing more, thus the assembling between guiding hook portion and the retention tab.Hook assembling guide portion can be placed in the place, two ends of the retention tab that is connected to paired hook portion.
The cover that is fastened to housing can separate from housing with respect to rotatablely moving of housing according to cover.Separate recess and can form to the inboard of cover recessedly, be inserted into this separation recess with the declutcher control lever of the separating clamp that allows to be used for separation hood.
The top of cover can have recessed structure downwards, to be provided for the pushing power of piling up part downwards.
Circulator/isolator also can comprise: the base plate that connects with the lower surface of housing bottom.A plurality of lug bosses form from the upper surface of base plate and project upwards.Lug boss is inserted in the lug boss fastener hole on the bottom that is formed on housing, with bottom plate connecting to housing, make the extruding force of the upper and lower that lug boss can be by being applied to lug boss stretch out, so that contact regularly with the inwall of lug boss fastener hole.
The bottom of housing can have welding hole, and base plate and housing close by the weldering gluing that is filled in this welding hole.
Z-shaped bending can be formed on the inboard of boundary between the bottom of this housing and wall surface of housing, so that bottom and wall surface keep at right angles (promptly 90 °).
Circulator/isolator also can comprise: cover cap, this cover cap is connected to cover at the place, top of cover, and has the upper surface of flat (smoothly) so that by vacuum suction.
Housing can have a plurality of support chips, and described a plurality of support chips stretch out and have patchhole from the side peripheral part of housing.SMT (Surface Mounted Technology surface mounting technology) pin assemblies is connected in the hole of each support chip insertedly.The SMT pin assemblies can comprise casting product and centrepin, and these casting product have the hole that is formed on its central part, and described centrepin is inserted in the hole of casting product.The top of centrepin can be connected with the terminal of connecting piece, and the bottom of centrepin can be surface mounted on the circuit board (PCB etc.).
Description of drawings
From the detailed description of carrying out, will more be expressly understood above-mentioned and other aspects, feature and other advantages of the present invention below in conjunction with accompanying drawing, wherein:
Fig. 1 a illustrates the shell structure of circulator/isolator of prior art and the assembling view of cover;
Fig. 1 b is the assembling view of the circulator/isolator of prior art;
Fig. 2 is the assembling view according to the circulator/isolator of exemplary embodiment of the present invention;
Fig. 3 illustrates according to the housing of the circulator/isolator of exemplary embodiment of the present invention and the assembling view of cover;
Fig. 4 is the perspective view according to the circulator/isolator of exemplary embodiment of the present invention;
Fig. 5 illustrates according to the housing of exemplary embodiment of the present invention and the fastening structure of cover;
Fig. 6 is the hook portion and the schematic partial sectional view that horizontally rotates retainer that illustrates according to exemplary embodiment of the present invention;
Fig. 7 is the profile that illustrates according to the cover structure of exemplary embodiment of the present invention;
Fig. 8 is the schematic cross sectional view that illustrates according to the circulator/isolator of exemplary embodiment of the present invention;
Fig. 9 a illustrates according to the housing of the circulator/isolator of exemplary embodiment of the present invention and the assembling view of base plate;
Fig. 9 b is the part sectioned view according to the base plate of exemplary embodiment of the present invention;
Figure 10 is the perspective view that illustrates according to the tightening state of the housing of the circulator/isolator of exemplary embodiment of the present invention and base plate;
Figure 11 is the profile that the temporary transient tightening state of housing and base plate is shown;
Figure 12 be illustrate housing and base plate temporary transient fastening after lug boss firmly be fixed to the profile of the state of housing by the interstitial system that pushes this lug boss up and down;
Figure 13 a and 13b illustrate the welding that purpose is to strengthen the fastening force between housing and the base plate;
Figure 14 a and 14b illustrated by separating clamp separating described cover;
Figure 15 is the profile that the Z-shaped warp architecture of housing is shown;
Figure 16 illustrates SMT latch structure and the fastening structure thereof according to exemplary embodiment of the present invention;
Figure 17 is the perspective view according to the circulator/isolator of the exemplary embodiment of Figure 16; And
Figure 18 illustrates the cover cap according to the circulator/isolator of exemplary embodiment of the present invention.
Embodiment
Describe exemplary embodiment of the present invention in detail now with reference to accompanying drawing.Yet the present invention can implement in many ways, and should not be construed as to be limited to and the embodiments set forth herein.More properly, provide these embodiment to make this disclosure complete and complete, and fully pass on scope of the present invention to those skilled in the art.In the accompanying drawings, for clarity sake can exaggerate shape and size, and will use identical Reference numeral to indicate same or analogous parts from start to finish.
Fig. 2 is the assembling view according to the circulator/isolator of exemplary embodiment of the present invention.With reference to Fig. 2, the housing 120 of cylindrical shape comprises and is open upwards and has sidewall and the bottom that three terminals hold recess, and this housing 120 connects with base plate 110.Housing 120 forms spatial accommodation, and circulator/isolator parts (promptly piling up part) is installed in this spatial accommodation with stack manner.As will be described later, when the hook portion 130a on the peripheral part that is formed on place, cover 130 sides was blocked by the retention tab 124 of housing 120, housing 120 was easily fastening with cover 130.
In the spatial accommodation of housing 120, bottom ferrite 165a, connecting piece 170, top ferrite 165b, pole piece 180, ground plate 185, magnet 190 and temperature compensation plates 220 stacked in order (piling up).The soft magnetic bodies of garnet-base for example can be used as top and the bottom ferrite 165a, 165b.Connecting piece 170 is equivalent to center conductor and is included in three sides upwardly extending three terminal 170a, 170b and 170c.
In order to make connecting piece 170 and to aim at for resonator function very crucial ferrite 165a and 165b, centrally aligned plate 160 can be placed in bottom ferrite 165a below.Connecting piece 170 influence the RF characteristic with the misalignment meeting of ferrite 165a and 165b, and feasiblely is difficult to realize accurate characteristic.By connecting piece 170 and ferrite 165a and 165b being installed in the inboard of a plurality of guide plate 160a that project upwards from the periphery of center alignment sheets 160, these parts can vertically be aimed at.Can use annular aligner to replace centrally aligned plate 160 with a plurality of guide plates.
Fig. 3 illustrates according to the housing of the circulator/isolator of exemplary embodiment of the present invention and the assembling view of cover, and Fig. 4 is the perspective view that illustrates according to the assembled state of the circulator/isolator of exemplary embodiment of the present invention.With reference to Fig. 3, housing 120 comprises the spatial accommodation that is formed by sidewall and bottom, and is stacked in this spatial accommodation such as the part 50 that piles up of bottom ferrite, connecting piece, top ferrite, pole piece, magnet etc.Cover 130 connects with the place, top of housing 120 at this housing 120.Cover 130 comprises top and side peripheral part.
A plurality of hook portion 130a are formed on cover 130 the side peripheral part, make a plurality of hook portion 130a inwardly and project upwards.As shown in Figure 3, be to form hook portion 130a, can cut, and it is inwardly pushed form hook portion 130a a plurality of parts of covering 130 side peripheral part.Retention tab 124 is formed on the upper end of sidewall of housing 120 and outstanding from the sidewall of housing 120, to allow cover 130 and housing 120 secured to one another.When cover 130 and housing 120 connections, hook portion 130a is stuck on the lower surface of retention tab 124, thus firmly fastening hook portion 130a and retention tab 124.Utilize this fastening structure between hook portion 130a and the retention tab 124, cover 130 can be pressed into downwards on the housing 120, thus, cover 130 can be assembled easily and firmly in a touch mode, and tool using not, and do not need to carry out tapping and handle (tap processing).Described cover can separate (separation) by rotating (rotation) simply, and can not damage the part of being installed, and therefore, in case of necessity, cover 130 can easily be opened or assemble, to regulate or the maintenance part.Cover 130 top 130c can be depressed, and piles up part 50 to push to be installed in the housing 120 downwards.
By the temporary transient fastening of lug boss and the interstitial system of extruding up and down, base plate 110 can be firmly and is connected to the lower surface (seeing Fig. 9 and 10) of housing 120 securely.The terminal 170c of connecting piece 170 holds recess by terminal and exposes, and end resistor 270 can be mounted to terminal 170c and be connected, to realize isolator.As mentioned above, when finishing base plate 110, housing 120, pile up part 50 and covering 130 assembling, can obtain circulator/isolator as shown in Figure 4.This circulator/isolator can be installed on the circuit board (not shown) by the plate fastener hole 110b that is formed on the base plate 110.
Come the fastening structure of more detailed description housing 120 and cover 130 below with reference to Fig. 5 and 6.As shown in Fig. 5 and 6, a pair of hook portion 130a can be positioned to along the side peripheral part of cover 130 adjacent.Three couples of hook portion 130a can be placed on the whole periphery of cover 130.Therefore, the retention tab 124 corresponding to paired hook portion 130a can be formed on three parts on the whole sidewall of housing 120.
In the state of cover 130 and housing 120 connections, paired hook portion 130a adjacent one another are is blocked by the retention tab 124 of housing 120, is limited upwards so that cover 130.Equally, as shown in Figure 6, horizontally rotate retainer 125 and form between paired hook portion 130a adjacent one another are, to limit hook portion 130a in the horizontal direction under the state that connects at cover 130 and housing 120 from a bit the extending downwards of retention tab 124.Utilization horizontally rotates the existence of retainer 125, has prevented that the side direction (being level) of hook portion 130a from moving.In pairs hook portion 130a, retention tab 124 and the fastening structure that horizontally rotates retainer 125 are arranged on three parts along the whole periphery of housing 120, to allow cover 130 and housing 120 firm and easily fastening.Horizontally rotate retainer 125 and can be installed in the mid portion of the retention tab 124 that connects with paired hook portion 130a.
For allow to cover 130 and housing 120 easier and fastening apace, assembling guide portion 126 can be arranged between hook portion 130a and the retention tab 124 guiding and assemble.Assembling guide portion 126 is extended from the end of retention tab 124, and is more outstanding with the outside (than retention tab 124) with respect to the sidewall of housing 120.When cover 130 and housing 120 were fastening, by outstanding guide portion 126, the hook portion 130a of cover 130 can easily be placed on the position of corresponding retention tab 124.Hook assembling guide portion 126 can be placed in the two ends of the retention tab 124 that connects with paired hook portion 130a.
Fig. 7 is the profile that illustrates according to the cover structure of exemplary embodiment of the present invention, and Fig. 8 illustrates the schematic cross sectional view of covering fastened circulator/isolator according to an exemplary embodiment of the present invention.With reference to Fig. 7 and 8, hook portion 130a is formed on the side peripheral part of cover 130, makes that the part of side peripheral part is partly excised and inwardly pushed so that it is outstanding.The top 130c of cover 130 is recessed.The part that piles up that concave top 130c will be contained in the housing 120 is pushed (opposite, as to pile up part thereby apply the upwards power of pushing cover 130) downwards, implements tension structure, therefore, can firmly keep the part of being installed that piles up.
Fig. 9 a illustrates according to the housing 120 of the circulator/isolator of exemplary embodiment of the present invention and the assembling view of the fastening structure between the base plate 130, and Fig. 9 b is the part sectioned view that illustrates according to the base plate 130 of exemplary embodiment of the present invention.With reference to Fig. 9 a and 9b, a plurality of lug boss 110a form from the upper surface of base plate 110 outstanding.Lug boss 110 can be for example by forming with proper implements bump base plate 110 or by extrusion operation.
Now with reference to the fastening structure between Figure 11 and 12 more detailed description housings 120 and the base plate 110.At first, as shown in Figure 11, the lug boss 110a of base plate 110 simply is inserted in the hole on the bottom 120d that is formed on housing 120, and is promptly temporarily fastening.Under this temporary transient tightening state, as shown in Figure 12, apply extruding force (seeing arrow) to the upper and lower of lug boss 110a, to allow lug boss 110a to stretch out or to enlarge based on lug boss 110a.Therefore, the outermost diameter of lug boss 110a increases, with the frictional force between the inwall in the hole that increases lug boss 110a and bottom 120d.As a result, lug boss 110a contacts with the inwall in hole is powerful, thereby is fixed, and has increased the adhesion (adhering to) between housing 120 and the base plate 110.
Figure 13 a and 13b illustrate the welding that purpose is to strengthen the fastening force between housing 120 and the base plate 110.Shown in Figure 13 a and 13b, welding hole 120b is formed on the bottom of housing 120.Weldering glue (for example solder flux) can be by using scolder feeding unit 60 to be filled among the welding hole 120b and heat-treating.Therefore, the adhesion between base plate 110 and the housing 120 can be further strengthened, and the grounded capacity of housing 120 and base plate 110 can be improved.
Figure 14 a illustrates separating by 70 pairs of covers 130 of separating clamp with 14b.Not only cover 130 and housing 120 can by as the fastening structure of above hook portions of describing with reference to Fig. 3 and 4 and retention tab by easy and firmly fastening, and cover 130 and can firmly be opened with respect to housing 120 by use separating clamp 70 (by this cover rotatablely moving) with respect to housing 120.As shown in Figure 14, the side peripheral part of cover 130 comprises the inboard bulged-in separation recess 130b to cover 130, is inserted among this separation recess 130b with the declutcher control lever 70a that allows separating clamp 70.When separating clamp 70 is that in purpose the declutcher control lever 70a of the separating clamp 70 of separation hood 130 is inserted into when rotating under the state that separates in the recess 130b, released by the hook portion 130a that retention tab is blocked, thus separate and open cover 130.Can repeat to cover 130 fastening with separate (opening), and can part of damage, so circulator/isolator of the present invention helps the adjusting operation of parts, suppressing three rank IMD, and be suitable for the product making low IMD product or have high characteristic demand.
Figure 15 is the profile that the Z-shaped warp architecture of housing 120 is shown.As shown in Figure 15, for the bottom that makes housing 120 and sidewall surfaces keep at right angles (promptly 90 °), Z-shaped bending can be formed on the inboard of the boundary between bottom and wall surface of the internal diameter of housing 120 and locate.When housing 120 formed by extrusion operation, this Z-shaped bending can have the mould formation of Z-shaped curved shape by use.Require the bottom and the sidewall of housing 120 to keep at right angles, with the spatial accommodation of accurate setting housing 120 and firmly hold and pile up part.
Figure 16 illustrates SMT latch structure and the fastening structure thereof according to exemplary embodiment of the present invention.Figure 17 is the perspective view according to the circulator/isolator of the exemplary embodiment of Figure 16.In the embodiment of Figure 16 and 17, circulator/isolator is installed on the PCB by using the SMT latch structure, and does not use base plate.
With reference to Figure 16, housing 120 comprises a plurality of support chips 127, and these support chips 127 extend and have a patchhole from the side peripheral part of housing 120 respectively.SMT pin assemblies 300 is connected in the patchhole of support chip 127 with inserting, SMT pin assemblies 300 comprises casting product 320 and conductor centrepin 310, these casting product 320 have the hole 320a that is formed on its central part, and this conductor centrepin 310 is inserted among the hole 320a of casting product 320.Inserted by support chip 127 under the state that supports on ground at SMT pin assemblies 300, the head of centrepin 310 (bottom) 310a is surface mounted on the circuit board (not shown) such as PCB etc.The afterbody of centrepin 310 (top) is connected with 170c with the terminal 170a of as shown in Figure 17 connecting piece 170.By using this SMT latch structure, circulator/isolator can easily be installed on PCB etc., and does not use base plate.
Figure 18 illustrates the cover cap that is included in according in the circulator/isolator of exemplary embodiment of the present invention.As shown in Figure 18, the lid 90 with flat or flat top surface can be connected on the cover 130 with concave configuration, has the smooth surface that can be used for vacuum suction to allow circulator/isolator.Therefore, by using the vacuum absorption device, a large amount of circulator/isolators are carried (transmission) or be installed on the PCB etc. and can automatically perform (automation).
As mentioned above, according to exemplary embodiment of the present invention, the housing of circulator/isolator and cover can be easily fastening with separate, cover structure has height reliability, and parts can easily be regulated.Therefore, circulator/isolator helps suppressing three rank IMD effects, and is suitable for making the low IMD product with narrow-band characteristic or has the product that high characteristic requires (demand).In addition, because base plate and housing pass through the temporary transient fastening of lug boss and the extruding interstitial type connects, thus can improve the adhesion (adhering to) and the durability of shell structure greatly, and also can improve ability electrical ground.
Although illustrated and described the present invention in conjunction with exemplary embodiment, it will be apparent to those skilled in the art that and under the situation that does not depart from the spirit and scope of the present invention that are defined by the following claims, can make amendment and change.
Claims (11)
1. circulator/isolator comprises:
Housing, described housing has sidewall and bottom, to form spatial accommodation in described housing;
Pile up part, the described part that piles up comprises with stack manner and is contained in bottom ferrite, connecting piece, top ferrite, pole piece and magnet in the described spatial accommodation of described housing; And
Cover, the described top that covers on described housing is connected to described housing,
Wherein, described cover comprises top and side peripheral part, and described side peripheral part comprises a plurality of hook portions, and each described hook portion is outstanding from direction that a bit makes progress along inside of described side peripheral part, and
Form the retention tab in the outside that is projected into described sidewall in the upper end of the described sidewall of described housing, so that described hook portion can be stuck on the lower surface of described retention tab, thus fastening described cover and described housing.
2. circulator/isolator according to claim 1, wherein, described a plurality of hook portion comprises and being positioned to along the described side peripheral part of described cover a pair of hook portion adjacent one another are, and between described a pair of hook portion, be provided with and be positioned with and horizontally rotate retainer, the described retainer that horizontally rotates extends downwards from the part of described retention tab, and is moving to prevent that state that described a pair of hook portion connects with described housing at described cover from issuing the unboiled water translation.
3. circulator/isolator according to claim 1, wherein, hook assembling guide portion is set in the end of described retention tab, described hook assembling guide portion is extended from described retention tab, with the outside of the described sidewall that is projected into described housing more, thereby guide assembling between described hook portion and the described retention tab.
4. circulator/isolator according to claim 1, wherein, the described cover that is fastened to described housing can separate from described housing with respect to rotatablely moving of described housing according to described cover, and separate recess and form the inboard that is press-fit into described cover, be inserted into described separation recess with the declutcher control lever that allows to be used for to separate the separating clamp of described cover.
5. circulator/isolator according to claim 1, wherein, the top of described cover has the structure that presses downward to, to be provided for pushing described power of piling up part downwards.
6. circulator/isolator according to claim 1 also comprises:
Base plate, described base plate connects with the lower surface of the bottom of described housing,
Wherein, a plurality of lug bosses form from the upper surface of described base plate and project upwards, and described lug boss is inserted in the lug boss fastener hole on the described bottom that is formed on described housing, so that described bottom plate connecting is arrived described housing, thereby the extruding force of the upper and lower of described lug boss by being applied to described lug boss stretches out, and contacts regularly with the inwall with described lug boss fastener hole.
7. circulator/isolator according to claim 6, wherein, the bottom of described housing comprises welding hole, and described base plate and described housing close by the weldering gluing that is filled in the described welding hole.
8. circulator/isolator according to claim 1 wherein, forms Z-shaped bending in the inboard of boundary between the bottom of described housing and wall surface of described housing, so that described bottom and described wall surface keep the right angle.
9. circulator/isolator according to claim 1 also comprises:
Cover cap, described cover cap connects with described cover on the top of described cover, and described cover cap has flat upper surface, with by vacuum suction.
10. circulator/isolator according to claim 1, wherein, described housing comprises a plurality of support chips, described support chip stretches out from the described side peripheral part of described housing, and have patchhole, and the SMT pin assemblies is connected in inserted mode in the described hole of each support chip, and described SMT pin assemblies comprises casting product and centrepin, described casting product have the hole that is formed on its central part, and described centrepin is inserted in the described hole of described casting product.
11. circulator/isolator according to claim 10, wherein, the top of described centrepin is connected with the terminal of described connecting piece, and the bottom of described centrepin is surface mounted on the circuit board.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020090046572A KR101282995B1 (en) | 2009-05-27 | 2009-05-27 | Circulator/isolator |
KR10-2009-0046572 | 2009-05-27 |
Publications (2)
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CN101901953A true CN101901953A (en) | 2010-12-01 |
CN101901953B CN101901953B (en) | 2013-09-11 |
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Application Number | Title | Priority Date | Filing Date |
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CN2009101734622A Expired - Fee Related CN101901953B (en) | 2009-05-27 | 2009-09-18 | Circulator/isolator |
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CN (1) | CN101901953B (en) |
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CN105140615A (en) * | 2015-09-18 | 2015-12-09 | 武汉凡谷陶瓷材料有限公司 | Microminiature dielectric resonator |
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KR102307551B1 (en) * | 2019-11-05 | 2021-09-30 | (주)파트론 | Irreversible element with resonant circuit |
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US11309692B2 (en) | 2017-05-01 | 2022-04-19 | Eaton Intelligent Power Limited | Wireless monitoring and configuration tether for use with isolated industrial product and method of operation thereof |
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US11387157B2 (en) | 2019-01-23 | 2022-07-12 | Qorvo Us, Inc. | RF devices with enhanced performance and methods of forming the same |
US20220139862A1 (en) | 2019-01-23 | 2022-05-05 | Qorvo Us, Inc. | Rf devices with enhanced performance and methods of forming the same |
US11923313B2 (en) | 2019-01-23 | 2024-03-05 | Qorvo Us, Inc. | RF device without silicon handle substrate for enhanced thermal and electrical performance and methods of forming the same |
US20200235054A1 (en) | 2019-01-23 | 2020-07-23 | Qorvo Us, Inc. | Rf devices with enhanced performance and methods of forming the same |
US11961813B2 (en) | 2019-01-23 | 2024-04-16 | Qorvo Us, Inc. | RF devices with enhanced performance and methods of forming the same |
US11646289B2 (en) | 2019-12-02 | 2023-05-09 | Qorvo Us, Inc. | RF devices with enhanced performance and methods of forming the same |
US11923238B2 (en) | 2019-12-12 | 2024-03-05 | Qorvo Us, Inc. | Method of forming RF devices with enhanced performance including attaching a wafer to a support carrier by a bonding technique without any polymer adhesive |
WO2022126015A1 (en) * | 2020-12-11 | 2022-06-16 | Qorvo Us, Inc. | Front-end module with verticall y stacked die and circulator |
CN112838344A (en) * | 2020-12-31 | 2021-05-25 | 广东大普通信技术有限公司 | Circular device |
Also Published As
Publication number | Publication date |
---|---|
KR20100128117A (en) | 2010-12-07 |
KR101282995B1 (en) | 2013-07-04 |
CN101901953B (en) | 2013-09-11 |
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