CN109390134A - Inductance device - Google Patents
Inductance device Download PDFInfo
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- CN109390134A CN109390134A CN201710659636.0A CN201710659636A CN109390134A CN 109390134 A CN109390134 A CN 109390134A CN 201710659636 A CN201710659636 A CN 201710659636A CN 109390134 A CN109390134 A CN 109390134A
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- coil
- opening
- switch
- inductance
- coupled
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- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
Abstract
A kind of inductance device, it includes at least two coils and at least two to switch.At least each of two coil includes an opening, and is corresponded to each other.The one of them of at least two switches is coupled to the both ends of at least opening of the one of them of two coil, and the wherein another one of at least two switches, which is interlocked, is coupled to one end of the opening of wherein another one of at least one end of the opening of the one of them of two coil and at least two coil.If the one of them conducting of at least two switches, at least one of them of two coil form inductance；If the wherein another one conducting of at least two switches, at least two coil is formed together inductance.
Description
Technical field
This case is about a kind of basic electronic component, and particularly with regard to a kind of inductance device.
Background technique
The inductor of existing various kenels all has its strengths and weaknesses, such as helical form (spiral-type) inductor, quality
Factor (Q value) is higher and has biggish mutual inductance value (mutual inductance), its right mutual inductance value and coupling occur
Between coil, and for splayed configuration inductor, because secondly coil-induced magnetic direction on the contrary, its coupling and mutual inductance value be hair
The raw coupled magnetic field in another coil, in addition, the area that splayed configuration inductor occupies in device is larger.Therefore, the two is answered
It is all limited with range.
Summary of the invention
The one technology aspect of this case is about a kind of inductance device, and it includes at least two coils and at least two to switch.Extremely
The each of few two coil includes an opening, and is corresponded to each other.The one of them of at least two switches are coupled at least two coil
The both ends of the opening of one of them, the wherein another one of at least two switches, which are interlocked, is coupled to opening for at least one of them of two coil
One end of the opening of the wherein another one of one end and at least two coil of mouth.If the one of them conducting of at least two switches, until
The one of them of few two coil forms inductance；If the wherein another one conducting of at least two switches, at least two coil is formed together
Inductance.
Another technology aspect of this case is about a kind of inductance device, and it includes a plurality of coils, first switch and
Two switches.The each of at least two coil in those coils includes an opening, and is corresponded to each other.First switch is coupled at least
The both ends of the opening of the one of them of two coil.Second switch is staggeredly coupled to the one of at least opening of the one of them of two coil
The one end at end and the opening of the wherein another one of at least two coil.If first switch is connected, the coil sections in those coils
Form inductance；If second switch is connected, those coils are formed together inductance.
Therefore, according to the technology contents of this case, embodiment of this case provides a kind of inductance device, so as to providing different inductance
Value, to expand the use scope of inductance device.
Detailed description of the invention
Fig. 1 is the schematic diagram that a kind of inductance device is painted according to one embodiment of this case.
Fig. 2 is the partial circuit schematic diagram that a kind of inductance device as shown in figure 1 is painted according to one embodiment of this case.
Fig. 3 is the schematic diagram that a kind of inductance device is painted according to one embodiment of this case.
Fig. 4 is the partial circuit schematic diagram that a kind of inductance device as shown in Figure 3 is painted according to one embodiment of this case.
Fig. 5 is the partial circuit schematic diagram that a kind of inductance device is painted according to one embodiment of this case.
Fig. 6 is the partial circuit schematic diagram that a kind of inductance device is painted according to one embodiment of this case.
Fig. 7 is the schematic diagram that a kind of inductance device is painted according to one embodiment of this case.
Fig. 8 is the partial circuit schematic diagram that a kind of inductance device as shown in Figure 7 is painted according to one embodiment of this case.
Fig. 9 is the experimental data figure that a kind of inductance device is painted according to one embodiment of this case.
[symbol description]
100: inductance device
110,120,130,140,150,160,510,520,530,540,550,560: coil
111、121、125、131、135、141、145、151、155、161、511、515、521、525、531、535、541、
545,551,561,565: opening
132、133、142、143、532、533、534、536、542、543、544、546、552、553、561、562、566、
567: endpoint
170,170A, 570: local circuit
180,180A, 580: input terminal
190,590: central point
500: inductance device
501~506: tie point
572,574,576: connector
Specific embodiment
Fig. 1 is the schematic diagram that a kind of inductance device 100 is painted according to one embodiment of this case.Fig. 2 is implemented according to this case one
Example is painted a kind of enlarged diagram of partial circuit 170 of inductance device as shown in figure 1.Implement refering to fig. 1 with Fig. 2 one together
In aspect, inductance device 100 includes at least two coil (such as coil 130,140) and at least two switches (such as switch SW1, SW2).
At least each of two coil (such as coil 130,140) includes opening (such as opening 131,141), and is corresponded to each other (as being open
131,141 upside for being all set to inductance device 100, and the two is adjacent).The one of them of at least two switches (such as switch SW1)
The both ends (both ends 132,133 of the opening 131 of such as coil 130) of at least opening of the one of them of two coil are coupled to, at least
The wherein another one (such as switch SW2) of two switches is staggeredly coupled to one end (such as line of at least opening of the one of them of two coil
One end 132 of the opening 131 of circle 130) one end (such as opening of coil 140 with the opening of the wherein another one of at least two coil
141 one end 143).
In some embodiments, at least two coil can be the coil of different layers.In some embodiments, at least two coil its
Middle one can be corresponding with above and below at least two coil wherein another one.
If one of them (such as switch SW1) conducting, at least one of them (such as coil of two coil of at least two switches
130) inductance is formed；If wherein another one (such as switch SW2) conducting of at least two switches, at least two coil (such as coil 130,
140) all coils (such as coil 110~160) or even in Fig. 1 can be formed together inductance.
In one embodiment, the other end of the opening of the one of them (such as coil 130) of at least two coil is (such as opening 131
The other end 133) be coupled at least two coil wherein another one (such as coil 140) opening one end (as opening 141 it is another
One end 142).
In another state sample implementation, inductance device 100 include coil 110,120,130,140,150,160, switch SW1 and
Switch SW2.Coil 110~160 separately includes opening 111,121,131,141,151,161.In one embodiment, above-mentioned switch
SW1, SW2 can by but be not limited to bipolarity junction transistors (Bipolar Junction Transistor, BJT), metal aoxidize
Object semiconductcor field effect electric crystal (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET)
Transistors are waited to be realized.In one embodiment, when the one of them of switch SW1, SW2 are by transistor implementation, transistor
Receive a control voltage (control voltage such as is received by gate or base stage), wherein control voltage to control switch SW1, SW2 in
Equivalent resistance when conducting, the electric current of inductance device 100 is flowed through so as to adjusting, and then it is different to have inductance device 100
Inductance value.
In in structure configuration, switch SW1 is coupled to the both ends 132,133 of the opening 131 of coil 130, and switch SW2 interlocks
It is coupled to one end 143 of one end 132 of the opening 131 of coil 130 and the opening 141 of coil 140.Specifically, 131 packet of opening
Containing open end 132 and open end 133, and opening 141 includes open end 142 and open end 143.Switch SW1 is coupled to opening 131
Open end 132 and open end 133, switch SW2 be coupled to opening 131 open end 132 be open 141 open end 143.?
In one embodiment, be open 131 open end 132 and opening 141 open end 142 be located at the same side (left side in such as figure), open
The open end 133 of mouth 131 and the open end 143 of opening 141 are located at the same side (right side in such as figure).
If switch SW1 is connected, the coil sections in coil 110~160 form inductance, for example, when switch SW1 is led
Logical, the both ends 132,133 of the opening 131 of coil 130 are via switch SW1 connection, at this point, coil 110~130 forms inductance.Separately
On the one hand, if switch SW2 is connected, coil 110~160 is formed together inductance, for example, when switch SW2 conducting, coil
One end 143 of the opening 141 of one end 132 and coil 140 of 130 opening 131 is connect, at this point, coil 110~160 1 similar shapes
At inductance.
In one embodiment, inductance device 100 further includes input terminal 180.If the central point 190 with inductance device 100 is
Benchmark, input terminal 180 are set to the first side (downside in such as figure) of inductance device 100, and opening 111~161 is set to inductance
Second side (upside in such as figure) relative to the first side of device 100.
In another embodiment, input terminal 180 is set at coil 110, to connect with other devices.Coil 110
Opening 111 and the opening 121 of coil 120 staggeredly couple, the open end 133 of the opening 131 of coil 110 and the opening of coil 140
141 open end 142 couples.In addition, the opening 151 of coil 150 and the opening 161 of coil 160 staggeredly couple.
In another embodiment, coil 120~150 more separately includes opening 125,135,145,155, opening 125~155
It is set to the first side (downside in such as figure) of inductance device 100.The opening 125 of coil 120 and the opening 135 of coil 130 are handed over
Mistake coupling, the opening 145 of coil 140 and the opening 155 of coil 150 staggeredly couple.
When switch SW1 is connected, the both ends 132,133 of the opening 131 of coil 130 form electricity via switch SW1 connection at this time
The structure of sense is as will be shown later: " by 180 left end of input terminal enter coil 110 around to inductance device 100 second side (in such as figure
Upside) after, staggeredly around to coil 120, then around to the first side of inductance device 100 (downside in such as figure), then staggeredly around
To coil 130, then carry out second side around to inductance device 100, one end of the opening 131 of coil 130 is made via switch SW1
132 are coupled to its other end 133.Then, continue on coil 130 around to the first side of inductance device 100, then staggeredly around to
Coil 120, then carry out second side around to inductance device 100, and staggeredly around to coil 110, finally by 180 right end of input terminal around
Out."
On the other hand, when switch SW2 be connected, the opening 141 of one end 132 and coil 140 of the opening 131 of coil 130
One end 143 connects, and forms the structure of inductance as will be shown later at this time: " entering coil 110 by 180 left end of input terminal to fill around to inductance
After setting 100 second side (upside in such as figure), staggeredly around to coil 120, then (such as around to the first side of inductance device 100
Downside in figure), then staggeredly around to coil 130, then carry out second side around to inductance device 100, makes line via switch SW2
One end 132 of the opening 131 of circle 130 is connect with one end 143 of the opening 141 of coil 140.Then, along coil 140 around to electricity
Second side around to inductance device 100 then is carried out then staggeredly around to coil 150 in first side of induction device 100, but staggeredly around to
Coil 160.Then, second side of inductance device 100 is returned to after a whole circle on the basis of central point 190, staggeredly around to coil
150, then, around to after the first side of inductance device 100, staggeredly around to coil 140, then come second around to inductance device 100
Side, staggeredly around to coil 120, then, fills staggeredly around to coil 130, and around to the first side of inductance device 100 around to inductance
After setting 100 second side, staggeredly around to coil 110, finally laid out by 180 right end of input terminal."
Fig. 3 is the schematic diagram that a kind of inductance device 100A is painted according to one embodiment of this case.Fig. 4 is implemented according to this case one
Example is painted the partial circuit 170A enlarged diagram of inductance device 100A as shown in Figure 3 a kind of.It should be noted that shown in Fig. 3
Inductance device 100A be generally similar to inductance device 100 shown in FIG. 1, the inductance dress of the inductance device 100A and Fig. 1 of Fig. 3
The difference for setting 100 is the connection type of switch SW1, switch SW2 and input terminal 180A, illustrates as after.
Together refering to Fig. 3 and Fig. 4, in structure configuration, switch SW1 be coupled to the opening 141 of coil 140 both ends 142,
143, and switch SW2 is staggeredly coupled to one end 143 of one end 132 of the opening 131 of coil 130 and the opening 141 of coil 140.
Specifically, opening 131 includes open end 132 and open end 133, and opening 141 includes open end 142 and open end 143, opens
Close SW1 be coupled to opening 141 open end 142 and open end 143, and switch SW2 be coupled to opening 131 open end 132 with
The open end 143 of opening 141.In addition, the input terminal 180A of Fig. 3 is set to the first side of inductance device 100 (under in such as figure
Side), and be set at coil 160, to be connect with other devices.
If switch SW1 is connected, the coil sections in coil 110~160 form inductance, for example, when switch SW1 is led
Logical, the both ends 142,143 of the opening 141 of coil 140 are via switch SW1 connection, at this point, coil 140,150,160 forms inductance.
On the other hand, if switch SW2 is connected, coil 110~160 is formed together inductance, for example, when switch SW2 conducting, coil
One end 143 of the opening 141 of one end 132 and coil 140 of 130 opening 131 is connect, at this point, coil 110~160 1 similar shapes
At inductance.
When switch SW1 is connected, the both ends 142,143 of the opening 141 of coil 140 form electricity via switch SW1 connection at this time
The structure of sense is as will be shown later: " by the left end input terminal 180A enter coil 160 around to inductance device 100A second side (in such as figure
Upside) after, staggeredly around to coil 150, then around to the first side of inductance device 100A (downside in such as figure), then interlock
Around to coil 140, then carry out second side around to inductance device 100A, the one of the opening 141 of coil 140 is made via switch SW1
End 142 is coupled to its other end 143.Then, coil 140 is continued on around to the first side of inductance device 100A, is then interlocked
Around to coil 150, then carry out second side around to inductance device 100, and staggeredly around to coil 160, it is finally right by input terminal 180A
End is laid out."
On the other hand, when switch SW2 be connected, the opening 141 of one end 132 and coil 140 of the opening 131 of coil 130
One end 143 connects, and forms the structure of inductance as will be shown later at this time: " entering coil 160 by the left end input terminal 180A to fill around to inductance
After setting second side (upside in such as figure) of 100A, staggeredly around to coil 150, then around to the first side of inductance device 100A
(downside in such as figure) then staggeredly around to coil 140, then carrys out second side around to inductance device 100A, staggeredly around to coil
130, and around to the first side of inductance device 100A, staggeredly around to coil 120, then around to second side of inductance device 100A,
Staggeredly around to coil 110.Then, on the basis of central point 190 after a whole circle, second side of inductance device 100A is returned to, is handed over
Mistake is around to coil 120, then, around to after the first side of inductance device 100A, staggeredly around to coil 130, then to fill around to inductance
The second side for setting 100A makes the one of one end 132 of the opening 131 of coil 130 and the opening 141 of coil 140 via switch SW2
143 connection of end.Then, around to the first side of inductance device 100A, staggeredly around to coil 150, then, around to inductance device 100A
Second side after, staggeredly around to coil 160, finally laid out by input terminal 180A right end."
Fig. 5 is the partial circuit schematic diagram that a kind of inductance device 500 is painted according to one embodiment of this case.Fig. 6 is according to this
One embodiment of case is painted a kind of partial circuit schematic diagram of inductance device 500.Fig. 7 is to be painted a kind of electricity according to one embodiment of this case
The schematic diagram of induction device 500.It should be noted that Fig. 5 is painted the structure of one or four circles, and Fig. 6 is painted the structure of one liang of circle, and the two is closed
It will form inductance device 500 shown in Fig. 7 together.In addition, Fig. 8 is to be painted one kind according to another embodiment of this case such as Fig. 7 institute
The enlarged diagram of the partial circuit 570 of the inductance device 500 shown, the connection relationship of inductance device 500 is described in detail.
For make inductance device 500 shown in Fig. 7 it can be readily appreciated that first by inductance device 500 be split as Fig. 5 four coil structures and
Two coil structures of Fig. 6, and division is as after.In advance refering to Fig. 5, this four coil structures includes coil 510,520,530,540, coil
510 include input terminal 580, and coil 520~540 separately includes opening 521,531,541, in addition, coil 510~540 is more distinguished
Include opening 515,525,535,545.If on the basis of the central point 590 of inductance device 500, input terminal 580 and opening 521~
541 are set to the first side (downside in such as figure) of inductance device 500, and opening 515~545 is set to the phase of inductance device 500
For second side (upside in such as figure) of the first side.
In addition, this four coil structures further includes connector 572,574,576.The opening 515 of the coupling coil 510 of connector 572
One end to coil 520 opening 525 one end, in detail, connector 572 through tie point 501 couple coil 510 opening
515 one end, and connector 572 couples one end of the opening 525 of coil 520 through tie point 502, in this way, be open 515
One end can be coupled to by connector 572 opening 525 one end.Similarly, one end (tie point of the opening 535 of coil 530
At 503) one end of opening 545 can be coupled to by connector 574 (at tie point 504).Similarly, the opening 521 of coil 520
One end (at tie point 505) can be coupled to by connector 576 coil 530 opening 531 one end (at tie point 506).
Refering to Fig. 8, inductance device 500 includes switch SW1, and switch SW1 is coupled to the endpoint of the opening 541 of coil 540
542,543.Together refering to Fig. 5 and Fig. 8, when switch SW1 is connected, the both ends 542,543 of the opening 541 of coil 540 are via switch
SW1 connection forms the structure of inductance as will be shown later at this time: " entering coil 510 around to inductance device 500 by 580 left end of input terminal
Side (upside in such as figure) after, being coupled to coil 520 through connector 572, (path is tie point 501 to tie point
502), then around to the other side of inductance device 500 (downside in such as figure), then staggeredly around to coil 530, then come around to electricity
The side of induction device 500 is coupled to coil 540 (path is tie point 503 to tie point 504) through connector 574, further around extremely
The other side of inductance device 500 couples the both ends 542,543 of the opening 541 of coil 540 via switch SW1.Then, after
Continue along coil 540 around to the side of inductance device 500, then staggeredly around to coil 530, then comes around to inductance device 500
The other side is coupled to coil 520 (path is tie point 506 to tie point 505) through connector 576, then fills around to inductance
500 side is set, and staggeredly around to coil 510, is finally laid out by 580 right end of input terminal."
Together refering to Fig. 6 and Fig. 7.Two coil structures of Fig. 6 include coil 550 and coil 560.In in structure, coil 550
One end 553 of opening 551 is coupled to the other end (at tie point 502) of the opening 525 of coil 520, the opening 551 of coil 550
The other end 552 interlock be coupled to coil 560 opening 561 one end 563.In addition, the other end of the opening 561 of coil 560
562 are coupled to the other end of the opening 535 of coil 530 (at tie point 503).Furthermore the opening 565 of coil 560 is set to electricity
The first side (downside in such as figure) of induction device 500, one end 566 of the opening 565 of coil 560 are coupled to the opening of coil 540
541 one end 544, the other end 567 of the opening 565 of coil 560 are coupled to the other end (tie point 506 of the opening of coil 530
Place).
Refering to Fig. 8, inductance device 500 includes switch SW2, and switch SW2 is coupled to the endpoint 543 of the opening 541 of coil 540
With the endpoint 544 of the opening of coil 560.Together refering to Fig. 5~Fig. 8, when switch SW2 conducting, the end of the opening 541 of coil 540
Point 543 is connect with the endpoint 544 of the opening of coil 560 via switch SW2, at this point, coil 510~540 of the inductance by first layer
The coil 550~560 of the second layer is extended to through switch SW2, so that coil 510~560 is formed together inductance.
Fig. 9 is the experimental data figure that a kind of inductance device is painted according to one embodiment of this case.This experimental data figure is
It is bright under different frequency, the quality factor (Q) and inductance value of inductance device.As shown, curve C1 is the inductance device of this case
Switch SW1 conducting quality factor curve graph, curve C2 be switch SW1 on state under correspondence inductance value curve graph.By
The experimental data of Fig. 9 is it is found that the quality factor of inductance device can be of about 11 under switch SW1 on state.In addition, curve C3 is this
The quality factor curve graph of the switch SW2 conducting of the inductance device of case, curve C4 are the correspondence inductance under switch SW2 on state
It is worth curve graph.By the experimental data of Fig. 9 it is found that the quality factor of inductance device can be of about 14 under switch SW2 on state.This
Outside, as seen from Figure 9, under Yu Kaiguan SW1 on state and under switch SW2 on state, the inductance value of inductance device is
Difference, be suitable in need switch between different frequency range is (as needed to switch between 2.4GHz (hertz) and 5GHz)
In system/device.
Therefore, this case and is cut between different frequency range suitable in need by the variation of the inductance value of inductance device
In the systems/devices changed, the use scope of inductance device is promoted.Right this case is not limited with the numerical value that above-described embodiment is lifted, and is practised
Its those skilled in the art can adjust above-mentioned numerical value according to actual demand to reach optimal efficiency.
Although disclosing the specific embodiment of this case in embodiment above, so it is not limited to this case, this case institute
Belong in technical field and has usually intellectual, it is various when that can be carried out to it in the case of not departing from the principle and spirit of this case
It changes and modification, therefore the protection scope of this case is when being subject to subsidiary claim institute defender.
Claims (10)
1. a kind of inductance device, includes:
At least two coil, wherein each of at least two coil includes an opening, and is corresponded to each other；And
At least two switches, wherein one of them of at least two switch is coupled to the opening of at least one of them of two coil
Both ends, wherein another one of at least two switch, which is interlocked, is coupled to one end of at least opening of the one of them of two coil
With one end of at least opening of the wherein another one of two coil；
If wherein the one of them conducting of at least two switch, the one of them of at least two coil form an inductance；If should
At least two switch wherein another one conducting, then this at least two coil is formed together the inductance.
2. inductance device according to claim 1, the wherein other end of at least opening of the one of them of two coil
Be coupled to the other end of at least opening of the wherein another one of two coil, wherein this at least two coil includes:
One first coil, comprising one first opening, which includes a first end and a second end；And
One second coil, comprising one second opening, which includes a first end and a second end, wherein the first coil
This first opening the second end interlock be coupled to second coil this second opening the first end.
3. inductance device according to claim 2, wherein at least two switch includes:
One first switch, comprising a first end and a second end, wherein the first end of the first switch is coupled to this and first opens
The first end of mouth, and the second end of the first switch is coupled to the second end of first opening；And
One second switch, comprising a first end and a second end, wherein the first end of the second switch is coupled to this and first opens
Mouthful the first end, and the second end of the second switch is coupled to the second end of second opening, wherein if this first is opened
It closes and is switched on and the first end of the first switch is connected into the second end, then the first coil forms the inductance；If this second
Switch is switched on and the first end of the second switch is connected the second end, then the first coil and one similar shape of the second coil
At the inductance.
4. inductance device according to claim 1, wherein the one of them of at least two switch is a transistor, and the electricity is brilliant
Body receives a control voltage, wherein an equivalent resistance of the control voltage to determine the transistor.
5. a kind of inductance device, includes:
A plurality of coils, wherein each of at least two coil in those coils includes an opening, and is corresponded to each other；
One first switch is coupled to the both ends of at least opening of the one of them of two coil；And
One second switch is staggeredly coupled at least one end of the opening of the one of them of two coil and at least two coil
Wherein one end of the opening of another one；
If wherein the first switch is connected, the coil sections in those coils form an inductance；If the second switch is connected,
Those coils are formed together the inductance.
6. inductance device according to claim 5 further includes an input terminal, wherein those coils include a first coil,
One second coil, a tertiary coil, one the 4th coil, one the 5th coil and one the 6th coil, first to the 6th coil point
Not Bao Han one first to 1 the 6th opening, wherein the input terminal is set to the inductance on the basis of the central point of the inductance device
One first side of device, first to the 6th opening are set to second side relative to first side of the inductance device.
7. inductance device according to claim 6, wherein the input terminal is set to the first coil, wherein the first coil
This first opening with second coil this second opening staggeredly couple, the 5th coil the 5th opening with the 6th line
6th opening of circle staggeredly couples, and wherein the first switch is coupled to the both ends of the third opening of the tertiary coil, this
One end that two switches are coupled to one end of the 4th opening of the 4th coil and the third of the tertiary coil is open.
8. inductance device according to claim 6, wherein the input terminal is located at the 6th coil, the wherein first coil
First opening and second opening of second coil staggeredly couple, the 5th opening of the 5th coil and the 6th coil
The 6th opening staggeredly couple, wherein third opening includes a first end and a second end, and the 4th opening includes one the
One end and a second end, wherein the first switch is coupled to first end and the second end of the 4th opening, the second switch
It is coupled to the second end of the first end and the 4th opening of third opening.
9. inductance device according to claim 6, wherein the first coil to the 4th coil is located at a first layer, this
Five coils and the 6th coil are located at a second layer, and the first layer and the second layer are located at different layers, wherein if the first switch
Conducting, then the first coil to the 4th coil forms an inductance；If the second switch is connected, the first coil to the 6th
Coil is formed together the inductance.
10. inductance device according to claim 9 further includes one first connector and one second connector, wherein this is defeated
Enter end and be set to the first coil, wherein second opening of one end of first opening of the first coil and second coil
One end staggeredly couple, other end of first opening of the first coil through first connector and second coil should
The other end coupling of second opening, the one of the 4th opening of one end and the 4th coil of the third opening of the tertiary coil
End staggeredly couples, and the other end of the 4th opening of the other end and the 4th coil of the third opening of the tertiary coil penetrates
Second connector staggeredly couples.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710659636.0A CN109390134B (en) | 2017-08-04 | 2017-08-04 | Inductance device |
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|---|---|---|---|
| CN201710659636.0A CN109390134B (en) | 2017-08-04 | 2017-08-04 | Inductance device |
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| CN109390134A true CN109390134A (en) | 2019-02-26 |
| CN109390134B CN109390134B (en) | 2021-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117101A (en) * | 2019-06-19 | 2020-12-22 | 瑞昱半导体股份有限公司 | Inductance device |
| CN112201437A (en) * | 2019-07-08 | 2021-01-08 | 瑞昱半导体股份有限公司 | Inductance device |
Citations (10)
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| TW201430874A (en) * | 2013-01-25 | 2014-08-01 | Univ Nat Chunghsing | Structure, manufacture procedure, and coupling method for variable inductor |
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| JP2006032579A (en) * | 2004-07-14 | 2006-02-02 | Ricoh Co Ltd | Variable inductor |
| KR20070028926A (en) * | 2005-09-08 | 2007-03-13 | 삼성전자주식회사 | Adjustable inductor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112117101A (en) * | 2019-06-19 | 2020-12-22 | 瑞昱半导体股份有限公司 | Inductance device |
| CN112201437A (en) * | 2019-07-08 | 2021-01-08 | 瑞昱半导体股份有限公司 | Inductance device |
Also Published As
| Publication number | Publication date |
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| CN109390134B (en) | 2021-03-30 |
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