CN102446616A - Filter circuit and electric connector with same - Google Patents
Filter circuit and electric connector with same Download PDFInfo
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- CN102446616A CN102446616A CN2010105070229A CN201010507022A CN102446616A CN 102446616 A CN102446616 A CN 102446616A CN 2010105070229 A CN2010105070229 A CN 2010105070229A CN 201010507022 A CN201010507022 A CN 201010507022A CN 102446616 A CN102446616 A CN 102446616A
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Abstract
The invention discloses a filter circuit and an electric connector thereof. The filter circuit is provided with a transmission cable side, a circuit board side and a plurality of signal transmission channels; each signal transmission channel comprises a transformer connected with the transmission cable side and a two-wire common mode choke for connecting the transformer and the circuit board side; each transformer comprises a first coil and a second coil; each first coil is provided with two first connecting ends connected with the transmission cable side; each second coil is provided with two second connecting ends for connecting the corresponding two-wire common choke and a center tap arranged between the two second connecting ends; the filter circuit is further provided with a plurality of first magnetic core coils; and the center taps of the second coils of the signal transmission channels are electrically connected to the circuit board side through the first magnetic core coils. The signal transmission channels of the filter circuit disclosed by the invention do not influence the AutoMDI/MDIX (Automatic Media Dependent Interface/Media Dependent Interface Crossover) (an automatic interface identification function) of peripheral equipment and has a better application performance.
Description
[technical field]
The present invention is relevant a kind of filter circuit and the electric connector with this filter circuit, particularly relates to a kind of electric connector that is applied to the filter circuit of network and has this filter circuit.
[background technology]
On October 17th, 2006, the notification number of bulletin was 7123117 United States Patent (USP)s; Its first figure has disclosed a kind of filter circuit; Said filter circuit has the transmission cable side and the board side of input and output each other and is connected in first, second signal transmission passage between these both sides; The secondary signal transmission channel comprises the transformer that is connected in the transmission cable side and connects two line common mode chokes of said transformer and board side; Transformer comprises first coil and second coil; First coil is provided with two first links that are connected in the transmission cable side, and second coil is provided with two second links that are connected in two line common mode chokes, one side and reaches the centre cap between two second links, and the centre cap of said second coil is connected directly to board side.
The centre cap of second coil of said secondary signal transmission channel is connected directly to board side; When being connected when the current mode chip for driving of an external equipment of board side is used; Because the centre cap of second coil of secondary signal transmission channel is connected directly to board side; Can cause the AutoMDI/MDIX (the automatic recognition function of port) of this external equipment to lose efficacy, thereby cause line interruption, so the application performance of this filter circuit is relatively poor.
[summary of the invention]
The object of the present invention is to provide a kind of application performance filter circuit preferably.
For realizing above-mentioned purpose; Filter circuit of the present invention adopts following technical scheme: a kind of filter circuit; It has the transmission cable side and the board side of input and output each other and is connected in four transmission channels between these both sides; Each transmission channel includes the transformer that is connected in the transmission cable side and connects two line common mode chokes of said transformer and board side; Transformer comprises first coil and second coil, and first coil is provided with two first links that are connected in the transmission cable side, and second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links; Said filter circuit also is provided with some first magnetic core coils, and the centre cap of second coil of said each transmission channel all is electrically connected to board side through said first magnetic core coil.
For realizing above-mentioned purpose; Filter circuit of the present invention also can adopt following technical scheme: a kind of filter circuit; It has the transmission cable side and board side and some signal transmission passages that is provided with the transformer that is connected in the transmission cable side and is connected two line common mode chokes of said transformer and board side of input and output each other; Transformer comprises first coil and second coil; First coil is provided with two first links that are connected in the transmission cable side; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links, and said filter circuit also is provided with some first magnetic core coils, and the centre cap of second coil of said signal transmission passage is electrically connected to board side through said first magnetic core coil.
Compared with prior art; Filter circuit of the present invention has following progress: because the centre cap of second coil of said signal transmission passage is electrically connected to board side through said first magnetic core coil; When filter circuit cooperates the current mode chip for driving of an external equipment to use; Said signal transmission passage can not influence the Auto MDI/MDIX (the automatic recognition function of port) of this external equipment, and therefore with respect to prior art, the application performance of filter circuit of the present invention is better.
Another object of the present invention is to provide a kind of application performance electric connector preferably.
For realizing above-mentioned purpose; Electric connector of the present invention adopts following technical scheme: a kind of electric connector; It comprises in order to the butt joint terminal of butt connector butt joint, in order to electric connector be connected to the pin terminals an of the external circuit board and be connected the signal processing module that docks terminal and pin terminals; This signal processing module comprise some be provided with one be electrically connected at the butt joint terminal transformer and connect the signal transmission passage of two line common mode chokes of said transformer and pin terminals; Transformer comprises first coil and second coil; First coil is provided with two first links that are electrically connected at the butt joint terminal; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links, and said signal processing module also is provided with some first magnetic core coils, and the centre cap of second coil of said signal transmission passage is electrically connected to pin terminals through said first magnetic core coil.
For realizing above-mentioned purpose; Electric connector of the present invention also can adopt following technical scheme: a kind of electric connector; It comprises in order to the butt joint terminal that docks with a butt connector, in order to electric connector is connected to the pin terminals an of the external circuit board; The signal processing module that connects butt joint terminal and pin terminals; This signal processing module comprises four signal transmission passages, and each signal transmission passage includes one and is electrically connected at the transformer of butt joint terminal and two line common mode chokes of a said transformer of connection and pin terminals, and transformer comprises first coil and second coil; First coil is provided with two first links that are electrically connected at the butt joint terminal; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links, and said signal processing module also is provided with some first magnetic core coils, and the centre cap of said each second coil all is electrically connected to pin terminals through said first magnetic core coil.
The centre cap of electric connector second coil of the present invention is electrically connected to pin terminals through said first magnetic core coil; When electric connector is connected when the current mode chip for driving of an external equipment of pin terminals is used; Because the centre cap of second coil of each said signal transmission passage is electrically connected to pin terminals through said first magnetic core coil; These signal transmission passages can not influence the AutoMDI/MDIX (the automatic recognition function of port) of this external equipment; Overcome the defective of the said signal transmission passage of background technology, so the application performance of electric connector of the present invention is better.
Below in conjunction with accompanying drawing and preferred embodiment the present invention is described further.
[description of drawings]
Fig. 1 is the circuit diagram that meets the filter circuit of first embodiment of the invention.
Fig. 2 is the circuit diagram that meets the filter circuit of second embodiment of the invention.
Fig. 3 is the circuit diagram that meets the filter circuit of third embodiment of the invention.
Fig. 4 is the circuit diagram that meets the filter circuit of fourth embodiment of the invention.
Fig. 5 is the stereogram of electric connector according to the invention.
Fig. 6 is connector terminals module one angle according to the invention and the stereogram that meets circuit diagram shown in Fig. 1 to 4.
Fig. 7 is another angle of connector terminals module according to the invention and the stereogram that meets circuit diagram shown in Figure 1.
Fig. 8 is another angle of connector terminals module according to the invention and the stereogram that meets circuit diagram shown in Figure 2.
Fig. 9 is another angle of connector terminals module according to the invention and the stereogram that meets circuit diagram shown in Figure 3.
Figure 10 is another angle of connector terminals module according to the invention and the stereogram that meets circuit diagram shown in Figure 4.
[main element symbol description]
First link 210,910
Centre cap 211,221,912
Second link 220,911
Two line common mode chokes 30,92
First magnetic core coil 40,94
The 4th coil 42
Insulating body 6
Network interface 61
USB interface 62
Terminal module 8
Butt joint terminal 81
[embodiment]
See also shown in Figure 1; The filter circuit 1 of first embodiment according to the invention is a kind of network interface circuit, and this filter circuit 1 has the transmission cable side 100 and the board side 200 of input and output each other and is connected in four signal transmission passages 11 between these both sides.Each signal transmission passage 11 includes the transformer 20 that is connected in transmission cable side 100 and connects two line common mode chokes 30 of said transformer 20 and board side 200.Transformer 20 comprises first coil 21 and second coil 22, and said first coil 21 and second coil 22 intercouple.First coil 21 is provided with two first links 210 and the centre cap 211 between two first links 210 that is connected in transmission cable side 100, and the centre cap 211 first short circuits of first coil 21 of each signal transmission passage 11 are connected in a gap discharge circuit 15 back ground connection again.Second coil 22 is provided with two second links 220 and the centre cap 221 between two second links 220 that connects two line common mode chokes 30.Said filter circuit 1 also is provided with two first magnetic core coils 40; Said first magnetic core coil 40 is the magnetic core coil of twin wire; First magnetic core coil 40 comprises a magnetic core (not label) and is surrounded on tertiary coil 41 and the 4th coil 42 on the said magnetic core that tertiary coil 41 and the 4th coil 42 intercouple.Wherein centre cap 221 correspondences of second coil 22 of a signal transmission passage 11 are connected to board side 200 through the tertiary coil 41 of one first magnetic core coil 40 wherein; Wherein centre cap 221 correspondences of second coil 22 of another signal transmission passage 11 are connected to board side 200 through the 4th coil 42 of said wherein one first magnetic core coil 40; Wherein centre cap 221 correspondences of second coil 22 of the 3rd signal transmission passage 11 are connected to board side 200 through the tertiary coil 41 of another first magnetic core coil 40, and wherein centre cap 221 correspondences of second coil 22 of the 4th signal transmission passage 11 are connected to board side 200 through the 4th coil 42 of said another first magnetic core coil 40.In the present embodiment, said each tertiary coil 41 is connected to board side 200 again with the earlier whole short circuits of an end of each the 4th coil 42 corresponding circuits plate side 200, so, is beneficial to the number that reduces board side 200 circuit exits.
See also Fig. 2, it has disclosed the filter circuit 2 of the second embodiment of the present invention, and this filter circuit 2 has the transmission cable side 100 and the board side 200 of input and output each other equally and is connected in four signal transmission passages 11 between these both sides.Said filter circuit 2 and filter circuit 1 different being: said filter circuit 2 is provided with one first magnetic core coil 40; The centre cap 221 of second coil 22 of wherein two signal transmission passages 11 of filter circuit 2 is connected to board side 200 through the tertiary coil 41 of first magnetic core coil 40; The centre cap 221 of second coil 22 of two other signal transmission passage 11 is connected to board side 200 through the 4th coil 42 of first magnetic core coil 40; The one end elder generation short circuit of the tertiary coil 41 of said filter circuit 2 and the 4th coil 42 corresponding circuits plate sides 200 is connected to board side 200 again; Be beneficial to the number that reduces board side 200 circuit exits so, equally.
See also shown in Figure 3ly, the filter circuit 3 of the 3rd embodiment according to the invention, this filter circuit 3 have the transmission cable side 100 and the board side 200 of input and output each other equally and are connected in four signal transmission passages 11 between these both sides.Said filter circuit 3 and filter circuit 1 different being: said filter circuit 3 is provided with one first magnetic core coil 40; The said filter circuit 3 wherein tertiary coil 41 of centre cap 221 through first magnetic core coil 40 of second coil 22 of three signal transmission passages 11 is connected to board side 200, and the centre cap 221 of second coil 22 of a signal transmission passage 11 of residue is connected to board side 200 through the 4th coil 42 of first magnetic core coil 40.In the present embodiment, an end of said tertiary coil 41 and the 4th coil 42 corresponding circuits plate sides 200 elder generation short circuit is connected to board side 200 again, so, is beneficial to the number that reduces board side 200 circuit exits equally.
See also shown in Figure 4ly, the filter circuit 4 of the 4th embodiment according to the invention, this filter circuit 4 have the transmission cable side 100 and the board side 200 of input and output each other equally and are connected in four signal transmission passages 11 between these both sides.Said filter circuit 4 and filter circuit 1 different being: said filter circuit 3 is provided with one first magnetic core coil 40, and the centre cap 221 of second coil 22 of four signal transmission passages 11 of said filter circuit 3 all is connected to board side 200 through the tertiary coil 41 of first magnetic core coil 40.
The filter circuit of comprehensive above four embodiment; The centre cap 221 of second coil 22 of said each signal transmission passage all is electrically connected to board side 200 through first magnetic core coil 40; Said filter circuit can be provided with several (comprising one or more) first magnetic core coils 40, as four.In addition, the number of the signal transmission passage 11 of said filter circuit can be several (the comprising one or more) of satisfying the demand, and is not limited to four.Said first magnetic core coil 40 is not limited to the magnetic core coil of twin wire, and it can be the magnetic core coil of single-line type or other multiple wire systems.The magnetic core of first magnetic core coil 40 can be FERRITE CORE or other types magnetic core, and the coil of first magnetic core coil 40 can be by the enamelled wire coiling or for the spiral metal circle or connected and composed by electric conducting material etc.
The centre cap 221 of each said signal transmission passage second coil 22 of filter circuit of the present invention is electrically connected to board side 200 through said first magnetic core coil 40; First magnetic core coil 40 has certain inhibition electromagnetic interference function, thereby makes the inhibition electromagnetic interference performance of filter circuit stronger on the whole; And when filter circuit cooperates the current mode chip for driving of external equipment to use; Because the centre cap 221 of second coil 22 of signal transmission passage 11 is electrically connected to board side 200 through said first magnetic core coil 40; Can not influence the Auto MDI/MDIX (the automatic recognition function of port) of this external equipment; Overcome the defective of the said signal transmission passage of background technology, so the application performance of filter circuit of the present invention is better.
See also shown in Fig. 5-7; Be the electric connector 5 with filter circuit 1 according to the invention; This electric connector 5 is a network connector (RJ45) and the USB connector stacking connector, and it comprises an insulating body 6, the terminal module 8 that coats the shielding casing 7 of said insulating body 6 and be installed on insulating body 6.Insulating body 6 comprises a network interface 61, reaches two USB interfaces 62.Terminal module 8 be provided with extend to network interface 61 and can be with the butt joint terminal 81 (corresponding transmission cable side 100) of butt connector (not shown) butt joint, in order to the pin terminals 82 (corresponding circuits plate side 200) that electric connector 5 is connected to the external circuit board (not shown), and connect the signal processing module 9 of butt joint terminal 81 and pin terminals 82.This signal processing module 9 comprise with the sub-circuit board 93 that docks 82 welding of terminal 81 and pin terminals, be located on the sub-circuit board 93 and all be electrically connected at butt joint terminal 81 four transformers 91, be located at four two line common mode chokes 92 on sub-circuit board 93 one sides and be located at two first magnetic core coils 94 on the sub-circuit board 93 opposite another sides.Transformer 91 to pin terminals 82 of each two line common mode chokes, 92 corresponding connection.Sub-circuit board 93 be provided with plurality of conducting strips and conducting wire with will dock terminal 81, transformer 91, two line common mode chokes 92, pin terminals 82, and first magnetic core coil 94 connect and form filter circuit 1.Said four transformers 91 constitute four signal transmission passages (corresponding four signal transmission passages 11) with four two line common mode chokes 92; Particularly, each signal transmission passage includes one and is electrically connected at the transformer 91 of butt joint terminal 81 and two line common mode chokes 92 of said transformer 91 of a connection and pin terminals 82.Transformer 91 comprises first coil (not label, corresponding first coil 21) and second coil (not label, corresponding second coil 22), and first coil is provided with two first links 910 that are electrically connected at butt joint terminal 81.Second coil is provided with two second links 911 and the centre cap 912 between two second links 911 that connects two line common mode chokes 92.Said first magnetic core coil 94 is the magnetic core coil of twin wire; First magnetic core coil 94 comprises a magnetic core (not shown) and is surrounded on the tertiary coil of magnetic core (not shown; Corresponding tertiary coil 41) with the 4th coil (not shown, corresponding the 4th coil 42), tertiary coil and the 4th coil intercouple.Corresponding one by one tertiary coil and the 4th coil through one of them first magnetic core coil 94 of the centre cap 912 of second coil of said wherein two signal transmission passages is connected to pin terminals 82, and corresponding one by one tertiary coil and the 4th coil through another first magnetic core coil 94 of the centre cap 912 of said second coil of two signal transmission passages in addition is connected to pin terminals 82.
See also Fig. 5, Fig. 6 and shown in Figure 8; Be the electric connector 5 with filter circuit 2 according to the invention; It is with 5 differences of the electric connector with filter circuit 1: signal processing module 9 is provided with one first magnetic core coil 94; Centre cap 912 correspondences of second coil of said wherein two signal transmission passages are connected to pin terminals 82 through the tertiary coil of first magnetic core coil 94, and centre cap 912 correspondences of said second coil of two signal transmission passages in addition are connected to pin terminals 82 through the 4th coil of first magnetic core coil 94.
See also Fig. 5, Fig. 6 and shown in Figure 9; Be the electric connector 5 with filter circuit 3 according to the invention; It is with 5 differences of the electric connector with filter circuit 1: signal processing module 9 is provided with one first magnetic core coil 94; Centre cap 912 correspondences of second coil of said wherein three signal transmission passages are connected to pin terminals 82 through the tertiary coil of first magnetic core coil 94, and centre cap 912 correspondences of second coil of a signal transmission passage of said residue are connected to pin terminals 82 through the 4th coil of first magnetic core coil 94.
See also Fig. 5, Fig. 6 and shown in Figure 10; Be the electric connector 5 with filter circuit 4 according to the invention; It is with 5 differences of the electric connector with filter circuit 1: signal processing module 9 is provided with one first magnetic core coil 94, and the centre cap 912 of second coil of said four signal transmission passages all is connected to pin terminals 82 through the tertiary coil of first magnetic core coil 94.
In above-mentioned four execution modes of electric connector of the present invention; Said first magnetic core coil 94 is the magnetic core coil of twin wire; Said each two line common mode choke 92 and first magnetic core coil 94 is separate and surface mount in the electronic module of sub-circuit board 93; Two line magnetic core coils of surface-adhered type are made and are easy for installation, are beneficial to reduce cost, and it is little to take up room.
For electric connector of the present invention; The centre cap 912 of second coil of said electric connector 5 each signal transmission passage all is connected to pin terminals 82 through first magnetic core coil; Said signal processing module 9 can be provided with several (comprising one or more) first magnetic core coils 94, as four.In addition, the number of the said signal transmission passage of signal processing module 9 can be several (the comprising one or more) of satisfying the demand, and is not limited to four.Said first magnetic core coil 94 is not limited to the magnetic core coil of twin wire, and it can be the magnetic core coil of single-line type or other multiple wire systems.The magnetic core of first magnetic core coil 94 can be FERRITE CORE or other types magnetic core, and the coil of first magnetic core coil 94 can be by the enamelled wire coiling or for the spiral metal circle or connected and composed by electric conducting material etc.
The centre cap 912 of electric connector second coil of the present invention is electrically connected to pin terminals 82 through said first magnetic core coil 94; First magnetic core coil 94 has certain inhibition electromagnetic interference function, thereby makes the inhibition electromagnetic interference performance of electric connector stronger on the whole; And when this electric connector is connected when the current mode chip for driving of an external equipment of pin terminals 82 is used; Because the centre cap 912 of second coil of each signal transmission passage is electrically connected to pin terminals 82 through said first magnetic core coil 94; Can not influence the Auto MDI/MDIX (the automatic recognition function of port) of this external equipment; Overcome the defective of the said signal transmission passage of background technology, so the application performance of electric connector of the present invention is better.
Claims (10)
1. filter circuit; It has the transmission cable side and the board side of input and output each other and is connected in four transmission channels between these both sides; Each transmission channel includes the transformer that is connected in the transmission cable side and connects two line common mode chokes of said transformer and board side; Transformer comprises first coil and second coil; First coil is provided with two first links that are connected in the transmission cable side; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links, and it is characterized in that: said filter circuit also is provided with some first magnetic core coils, and the centre cap of second coil of said each transmission channel all is electrically connected to board side through said first magnetic core coil.
2. filter circuit as claimed in claim 1; It is characterized in that: said filter circuit is provided with two first magnetic core coils; First magnetic core coil comprises a magnetic core and is surrounded on tertiary coil and the 4th coil on the said magnetic core; Wherein the centre cap correspondence of second coil of a signal transmission passage is connected to board side through the tertiary coil of one first magnetic core coil wherein; Wherein the centre cap correspondence of second coil of a signal transmission passage is connected to board side through said wherein the 4th coil of one first magnetic core coil again; Wherein the centre cap correspondence of second coil of the 3rd signal transmission passage is connected to board side through the tertiary coil of another first magnetic core coil, and wherein the centre cap correspondence of second coil of the 4th signal transmission passage is connected to board side through the 4th coil of said another first magnetic core coil.
3. filter circuit as claimed in claim 1; It is characterized in that: said filter circuit is provided with one first magnetic core coil; First magnetic core coil comprises a magnetic core and is surrounded on tertiary coil and the 4th coil on the said magnetic core; The centre cap of second coil of said wherein two signal transmission passages is connected to board side through said tertiary coil, and wherein the centre cap of second coil of two other signal transmission passage is connected to board side through said the 4th coil.
4. filter circuit as claimed in claim 1; It is characterized in that: said filter circuit is provided with one first magnetic core coil; First magnetic core coil comprises a magnetic core and is surrounded on tertiary coil and the 4th coil on the said magnetic core; The centre cap of second coil of said wherein three signal transmission passages is connected to board side through said tertiary coil, and the centre cap of second coil of a signal transmission passage of residue is connected to board side through said the 4th coil.
5. filter circuit as claimed in claim 1; It is characterized in that: said filter circuit is provided with one first magnetic core coil; First magnetic core coil comprises a magnetic core and is surrounded on tertiary coil and the 4th coil on the said magnetic core that the centre cap of second coil of said four signal transmission passages all is connected to board side through said tertiary coil.
6. filter circuit; It has the transmission cable side and board side and some signal transmission passages that is provided with the transformer that is connected in the transmission cable side and is connected two line common mode chokes of said transformer and board side of input and output each other; Transformer comprises first coil and second coil; First coil is provided with two first links that are connected in the transmission cable side; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links; It is characterized in that: said filter circuit also is provided with some first magnetic core coils, and the centre cap of second coil of said signal transmission passage is electrically connected to board side through said first magnetic core coil.
7. electric connector; It comprises in order to the butt joint terminal of butt connector butt joint, in order to electric connector be connected to the pin terminals an of the external circuit board and be connected the signal processing module that docks terminal and pin terminals; This signal processing module comprise some be provided with one be electrically connected at the butt joint terminal transformer and connect the signal transmission passage of two line common mode chokes of said transformer and pin terminals; Transformer comprises first coil and second coil; First coil is provided with two first links that are electrically connected at the butt joint terminal; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links; It is characterized in that: said signal processing module also is provided with some first magnetic core coils, and the centre cap of second coil of said signal transmission passage is electrically connected to pin terminals through said first magnetic core coil.
8. electric connector as claimed in claim 7; It is characterized in that: said signal processing module also is provided with a sub-circuit board; Said first magnetic core coil is the magnetic core coil of twin wire, the said two line common mode chokes and first magnetic core coil be separate and surface mount in the electronic module of sub-circuit board.
9. electric connector; It comprises in order to the butt joint terminal of butt connector butt joint, in order to electric connector be connected to the pin terminals an of the external circuit board and be connected the signal processing module that docks terminal and pin terminals; This signal processing module is provided with four signal transmission passages; Each signal transmission passage includes one and is electrically connected at the transformer of butt joint terminal and two line common mode chokes of a said transformer of connection and pin terminals; Transformer comprises first coil and second coil; First coil is provided with two first links that are electrically connected at the butt joint terminal; Second coil is provided with two second links that connect two line common mode chokes and reaches the centre cap between two second links, and it is characterized in that: said signal processing module also is provided with some first magnetic core coils, and the centre cap of second coil of said each signal transmission passage all is electrically connected to pin terminals through said first magnetic core coil.
10. electric connector as claimed in claim 9; It is characterized in that: said signal processing module also is provided with a sub-circuit board; Said first magnetic core coil is the magnetic core coil of twin wire, said each two line common mode choke and first magnetic core coil is separate and surface mount in the electronic module of sub-circuit board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507022.9A CN102446616B (en) | 2010-10-14 | 2010-10-14 | Filter circuit and there is the electric connector of this filter circuit |
| CN201310007489.0A CN103199818B (en) | 2010-10-14 | 2010-10-14 | Filter circuit and electric connector with filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507022.9A CN102446616B (en) | 2010-10-14 | 2010-10-14 | Filter circuit and there is the electric connector of this filter circuit |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310007489.0A Division CN103199818B (en) | 2010-10-14 | 2010-10-14 | Filter circuit and electric connector with filter circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102446616A true CN102446616A (en) | 2012-05-09 |
| CN102446616B CN102446616B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010507022.9A Active CN102446616B (en) | 2010-10-14 | 2010-10-14 | Filter circuit and there is the electric connector of this filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102446616B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957398A (en) * | 2011-08-19 | 2013-03-06 | 富士康(昆山)电脑接插件有限公司 | Filter circuit and electrical connector utilizing same |
| CN103151628A (en) * | 2011-11-15 | 2013-06-12 | Mcq科技有限公司 | Connection terminal |
| CN114586247A (en) * | 2019-09-06 | 2022-06-03 | 模拟电力转换有限责任公司 | Transient noise reduction filtering system |
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| CN1202278A (en) * | 1995-11-22 | 1998-12-16 | 斯图尔脱联接体系股份有限公司 | Modular jack connetor |
| CN101017730A (en) * | 2006-02-08 | 2007-08-15 | 台达电子工业股份有限公司 | Transformer structure |
| CN201278411Y (en) * | 2008-08-13 | 2009-07-22 | 中兴通讯股份有限公司 | Ethernet connector with lightning protection function |
| CN201355713Y (en) * | 2009-02-07 | 2009-12-02 | 富士康(昆山)电脑接插件有限公司 | Electrical connector |
| WO2010065113A1 (en) * | 2008-12-03 | 2010-06-10 | Planarmag,Inc. | An integrated planar variable transformer with embedded magnetic core |
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|---|---|---|---|---|
| CN1202278A (en) * | 1995-11-22 | 1998-12-16 | 斯图尔脱联接体系股份有限公司 | Modular jack connetor |
| CN101017730A (en) * | 2006-02-08 | 2007-08-15 | 台达电子工业股份有限公司 | Transformer structure |
| CN201278411Y (en) * | 2008-08-13 | 2009-07-22 | 中兴通讯股份有限公司 | Ethernet connector with lightning protection function |
| WO2010065113A1 (en) * | 2008-12-03 | 2010-06-10 | Planarmag,Inc. | An integrated planar variable transformer with embedded magnetic core |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957398A (en) * | 2011-08-19 | 2013-03-06 | 富士康(昆山)电脑接插件有限公司 | Filter circuit and electrical connector utilizing same |
| CN102957398B (en) * | 2011-08-19 | 2015-11-25 | 富士康(昆山)电脑接插件有限公司 | The electric connector of filter circuit and utilization filter circuit |
| CN103151628A (en) * | 2011-11-15 | 2013-06-12 | Mcq科技有限公司 | Connection terminal |
| CN103151628B (en) * | 2011-11-15 | 2017-03-01 | Mcq科技有限公司 | Connection terminal |
| CN114586247A (en) * | 2019-09-06 | 2022-06-03 | 模拟电力转换有限责任公司 | Transient noise reduction filtering system |
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| Publication number | Publication date |
|---|---|
| CN102446616B (en) | 2016-03-23 |
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