CN2648766Y

CN2648766Y - Circuit board of information socket

Info

Publication number: CN2648766Y
Application number: CN 03206935
Authority: CN
Inventors: 林玉成
Original assignee: FUDENG PRECISION INDUSTRY Co Ltd
Current assignee: FUDENG PRECISION INDUSTRY Co Ltd
Priority date: 2003-07-31
Filing date: 2003-07-31
Publication date: 2004-10-13
Anticipated expiration: 2013-07-31

Abstract

The utility model provides a circuit board of an information socket, which essentially comprises an information socket (JACK) end, a wiring terminal (IDC) end, a plurality of pairs of capacitors, a plurality of pairs of inductors, primary conductors, a plurality of pairs of pins and extension conductors, etc. Wherein, a double-sided printing circuit board (PCB) is provided with a circuit conductor structure with the information socket (JACK) end and the wiring terminal (IDC) end. Two sides of the printing circuit board (PCB) are mainly and respectively detached by a first pair of 4, 5 pins (Pairs 1) and a third pair of 3, 6 pin (Pairs 3). The purposes of the reduced phenomenon of the cross-talk (Cross-talk) and the improvement of the return-loss (return-loss) can be achieved by the inductance effect and the capacitance effect generated between the primary conductors and the extension conductors between two pairs of the pins, and the entire using benefit of the product can be improved by the increasing of the correct transmission of the signal through a communication standard (Category 6).

Description

The circuit board of telecommunications outlet

Technical field

The utility model relates to a kind of circuit-board laying-out of telecommunications outlet, in order to the board design that meets the 6th class communication standard to be provided.

Background technology

The circuit-board laying-out technology of previous telecommunications outlet (the Taiwan patent: 90216170), with first pair 4,5 pin (pin) and the 3rd pair 3,6pin is configured in the both sides of circuit board respectively, respectively with 3, and 5pin and 4,6pin is coupled into capacity effect, with 4,6pin or 3,5pin hold at telecommunications outlet (JACK) and form TT or RR inductive effect again, and 3,4pin or 5,6pin forms the TR inductive effect at binding post (IDC) end and makes balance, to reduce cross-talk (cross-talk) phenomenon.

By known to above-mentioned 4,5pin is in adjacent compensating effect of homonymy, and 3,6pin is in adjacent compensating effect of homonymy, and the effect of telecommunications outlet (JACK) end and binding post (IDC) end, cause with a pair of impedance and fail 100 Ω impedance matchings with circuit, make first pair and the 3rd pair to return loss (return-loss) excessive, when making cross-talk (cross-talk) by six class standard, the resistance shift that configuration amount caused of above-mentioned electric capacity and inductive effect, will make return loss (return-loss) extremely difficulty simultaneously by the 6th class communication standard (Category 6).

Summary of the invention

The purpose of this utility model provides a kind of circuit board of telecommunications outlet, is used to reduce cross-talk (cross-talk), thereby satisfies the 6th class communication standard.

The circuit board of telecommunications outlet of the present utility model, comprise telecommunications outlet end (JACK), binding post end (IDC), several to capacitor, several to inductor, main traverse, several pins and extension wire, it is characterized in that: described telecommunications outlet end (JACK) is connected to each other with several feet position several main traverses through being distributed in the circuit board both sides of binding post end (IDC), wherein first pair 4,5 pins (pin) and the 3rd pair of 3,6 pins (pin) are configured in the both sides of circuit board respectively; First capacitor and/or second capacitor, first inductor and/or second inductor, be arranged in a wherein side of circuit board, with the first pair of main traverse (205) and the 3rd pair of main traverse (203) of link information socket and binding post, and the first pair of main traverse (204) and the 3rd pair of main traverse (206) coupling mutually that are arranged in the opposite side of circuit board; The 3rd capacitor is linked to each other by a pair of two pins from telecommunications outlet and is positioned at PCB homonymy or the extension wire of tossing about or guide plate and constitutes, and the 3rd pair of capacitor is the capacitor that TT or RR polarity are arranged; The 4th capacitor is linked to each other by a pair of two pins from telecommunications outlet and is positioned at PCB homonymy or the extension wire of tossing about or guide plate and constitutes, and the 4th pair of capacitor is the capacitor that TR polarity is arranged.

The utility model is taken first couple of 4pin and 5pin apart be placed on printed circuit board (PCB) (PCB) not homonymy, the 3rd couple of 3pin and 6pin take the not homonymy that also is placed on printed circuit board (PCB) (PCB) apart, make 3,5pin makes the part main traverse close in the same side of printed circuit board (PCB) (PCB), cause first pair of inductive effect and first pair of capacity effect, 4,6pin makes the part main traverse close at the opposite side of printed circuit board (PCB) (PCB), also causes second pair of inductive effect and second pair of capacity effect.With 4,6pin or 3,5pin hold at telecommunications outlet (JACK) and form TT again, the 3rd pair of capacity effect of RR, and 3,4pin or 5,6pin forms the 4th pair of capacity effect of TR at the IDC end and makes balance, passes through the 6th class communication standard to reduce cross-talk (cross-talk) phenomenon; At the same time, first pair and the 3rd pair return loss (return-loss), because of 4,5pin is positioned at the both sides of printed circuit board (PCB) (PCB), 3,6pin also is positioned at the both sides of printed circuit board (PCB) (PCB), and makes impedance comparatively near 100 Ω, be able to 100 Ω impedance matchings with circuit, make and return loss (return-loss) and also can pass through the 6th class communication standard (Category 6).

Description of drawings

Fig. 1 is the circuit-board laying-out equivalent circuit diagram of the utility model telecommunications outlet;

Fig. 2 is the partial circuit diagram of the utility model Fig. 1 display circuit board front wiring;

Fig. 3 is the partial circuit diagram of the utility model Fig. 1 display circuit board reverse side wiring.

Description of reference numerals: 10 telecommunications outlet ends (JACK); 30 binding post ends (IDC); Eight pins (Pins) of 1 ~ 8 telecommunications outlet; T1, first pair of pin of R1 (pair 1); T2, R2 ... second pair of pin (pair2); T3, the 3rd pair of pin of R3 (pair 3); T4, the 4th pair of pin of R4 (pair 4); 201 ~ 208 ... main traverse (main conductors); 301 ~ 308 ... the pin position (contacts) of binding post; IT1, first pair of pin position of IR1; IT2, second pair of pin position of IR2; IT3, the 3rd pair of pin position of IR3; IT4, the 4th pair of pin position of IR4; 41 first pairs of capacitors; 42 second pairs of capacitors; 51 the 3rd pairs of capacitors; 52 the 4th pairs of capacitors; 61 first pairs of inductors; 62 second pairs of inductors; T1e, T3e extension wire (Extensionconductors); IT3e, IR1e extension wire (Extension conductors).

Embodiment

The utility model is a kind of circuit-board laying-out of telecommunications outlet, it mainly comprises telecommunications outlet end (JACK) 10, binding post end (IDC) 30, several to

capacitor

41,42,51,52, several to

inductor

61,62, main traverse 201 ~ 208, several pins 1 ~ 8 and extension wire compositions such as (T1e, T3e, IT3e, IR1e); Wherein telecommunications outlet end (JACK) 10 is connected (as shown in Figure 1) via the main traverse 201 ~ 208 on the two sides that is distributed in circuit board with binding post end (IDC) 30, telecommunications outlet end (JACK) 10 has eight pins, from a left side and the right side is 1 ~ 8 in regular turn, with first pair 5, the 4pin pin is expressed as T1, R1 respectively; Second pair 1, the 2pin pin is expressed as T2, R2 respectively; The 3rd pair 3, the 6pin pin is expressed as T3, R3 respectively; The 4th pair 7, the 8pin pin is expressed as T4, R4 respectively.

Binding post end (IDC) 30 has eight pins equally, and from a left side and the right side is 301 ~ 308 in regular turn, these eight pin positions 301 ~ 308 are a pair of with per two adjacent pin positions, from a left side and the right side is divided into four pairs in regular turn, with first pair of pin position 301,302pin is expressed as IT1, IR1 respectively; Second pair of pin position 303,304pin is expressed as IT2, IR2 respectively; The 3rd pair of pin position 305,306pin is expressed as IT3, IR3 respectively; The 4th pair of pin position 307,308pin is expressed as IT4, IR4 respectively.The utility model will be taken the not homonymy that is placed on printed circuit board (PCB) (PCB) apart to the first couple of 4pin and the 5pin of link information socket end (JACK) 10 in the circuit board, the 3rd couple of 3pin and 6pin take the not homonymy that also is placed on printed circuit board (PCB) (PCB) apart, promptly 3,5pin is in the same side of printed circuit board (PCB) (PCB), 4,6pin is at the opposite side of printed circuit board (PCB) (PCB), form the structure that is equivalent to capacitor and inductor according to special arrangement in the both sides of circuit board, reach the effect that reduces cross-talk (cross-talk) and improve backflow loss (return-loss) with help information socket end (10).

At telecommunications outlet end (JACK) 103, in the same side of 5pin pin, by part main traverse 203,205 is close mutually, be connected to binding post end (IDC) (30) 301,305pin pins more respectively, to form first pair of inductive effect 61 and first pair of capacity effect 41; In the same side of telecommunications outlet end (JACK) (10) 4,6pin pins, by part main traverse 204,206 is close mutually, be connected to binding post end (IDC) (30) 302,306pin pins more respectively, to form second pair of inductive effect 62 and second pair of capacity effect 42.

Again to be connected 4 of telecommunications outlet end (JACK) 10,6pin or 3, the capacitor arrangement of 5pin, mainly be utilize two groups forked parallel near and the extension wire that links to each other with two pins of telecommunications outlet end 10 respectively constitute the 3rd pair of capacitor 51 effects, make these two groups of leads form TT each other, the capacitor that RR polarity is arranged, it is by the pin T3 that is connected to telecommunications outlet end (JACK) 10, one section extension wire T3e of T1, T1e constitutes, in fact constitute the extension wire T3e of the 3rd pair of capacitor 51, T1e, in circuit board wiring situation (as shown in Figures 2 and 3), demonstration then be the embodiment that six telecommunications outlets 10 and six binding posts 30 are installed at the circuit board surface of a kind of wire jumper panel (Patch Panel).

Be connected 3 of binding post end (IDC) 30,4pin or 5, the capacitor arrangement of 6pin, mainly be utilize two groups forked parallel near and the extension wire that links to each other with two pins of binding post end (IDC) 30 respectively constitute the 4th pair of capacitor 52 effects, make this a pair of lead form the capacitor that TR polarity is arranged each other, be connected to the pin IT3 of binding post end (IDC) 30, one section extension wire IT3e of IR1, IR1e constitute the 4th pair of capacitor 52 effects and make balance.

The utility model is by first pair 4,5pin and the 3rd pair 3,6pin distinctly takes apart, make 4,5pin lays respectively at the both sides of printed circuit board (PCB) (PCB), 3,6pin also lays respectively at the both sides of printed circuit board (PCB) (PCB), form the structure that is equivalent to capacitor and inductor according to special arrangement and in the both sides of circuit board, and make impedance comparatively near 100 Ω, be able to 100 Ω impedance matchings with circuit, make and return loss (return-loss) and cross-talk (cross-talk) interference phenomenon all can be by on the 6th class communication standard (Category 6); In sum, the foregoing description is only in order to the utility model of giving an example, be not in order to restriction the utility model, not in the scope of the utility model spirit, the various variations that those skilled in the art did, modification and application all fall into scope of the present utility model.

Claims

1. the circuit board of a telecommunications outlet comprises telecommunications outlet end (JACK), binding post end (IDC), several to capacitor, several to inductor, main traverse, several pins and extension wire, it is characterized in that:

Described telecommunications outlet end (JACK) is connected to each other with several feet position several main traverses through being distributed in the circuit board both sides of binding post end (IDC), and wherein first pair 4,5 pin (pin) and the 3rd pair of 3,6 pins (pin) are configured in the both sides of circuit board respectively;

First capacitor and/or second capacitor, first inductor and/or second inductor, be arranged in a wherein side of circuit board, with the first pair of main traverse (205) and the 3rd pair of main traverse (203) of link information socket and binding post, and the first pair of main traverse (204) and the 3rd pair of main traverse (206) coupling mutually that are arranged in the opposite side of circuit board;

The 3rd capacitor is linked to each other by a pair of two pins from telecommunications outlet and is positioned at PCB homonymy or the extension wire of tossing about or guide plate and constitutes, and the 3rd pair of capacitor is the capacitor that TT or RR polarity are arranged;

The 4th capacitor is linked to each other by a pair of two pins from telecommunications outlet and is positioned at PCB homonymy or the extension wire of tossing about or guide plate and constitutes, and the 4th pair of capacitor is the capacitor that TR polarity is arranged.

2. the circuit board of telecommunications outlet according to claim 1, wherein first couple of 4pin of link information socket end (JACK) and 5pin are placed on the not homonymy of printed circuit board (PCB) (PCB) in the circuit board, the 3rd couple of 3pin and 6pin also are placed on the not homonymy of printed circuit board (PCB) (PCB), promptly 3,5pin is in the same side of printed circuit board (PCB) (PCB), 4,6pin is at printed circuit board (PCB) (PCB).

3. the circuit board of telecommunications outlet according to claim 1, wherein this first pair of main traverse includes the main traverse (204) of the 5th pin that is connected in telecommunications outlet, with the main traverse (204) of the 4th pin that is connected in telecommunications outlet; The 3rd pair of main traverse includes the main traverse (203) of the 3rd pin that is connected in telecommunications outlet, with the main traverse (206) of the 6th pin that is connected in telecommunications outlet.

4. as the circuit board of telecommunications outlet as described in the claim 3, wherein this circuit board one side is connected in the part main traverse (203 of the 3rd pin and the 5th pin, 205) mutually near being coupled into this first capacitor and first inductor mutually, be connected to binding post end (IDC) pin (301,305) more respectively; This circuit board opposite side is connected in the part main traverse (204,206) of the 4th pin and the 6th pin mutually near being coupled into this second capacitor and second inductor mutually, is connected to binding post end (IDC) pin (302,306) more respectively.

5. as the circuit board of telecommunications outlet as described in the claim 4, wherein capacitor and inductor via part main traverse 203,205 mutually near and/or the part main traverses 204,206 of opposite side mutually near constituting.

6. the circuit board of telecommunications outlet according to claim 1, wherein the extension wire of this circuit board the 3rd capacitor is connected in the 3rd pin (T3) of telecommunications outlet, and another extension wire is the 5th pin (T1) that is connected in telecommunications outlet, to form the capacitor that TT polarity is arranged.

7. the circuit board of telecommunications outlet according to claim 1, wherein the extension wire of this circuit board the 3rd capacitor is connected in the 4th pin (R1) of telecommunications outlet, and another extension wire is connected in the 6th pin (R3) of telecommunications outlet, to form the capacitor that RR polarity is arranged.

8. the circuit board of telecommunications outlet according to claim 1, wherein the extension wire of this circuit board the 4th capacitor is connected in the 3rd pin (IT3) of binding post, and another extension wire is connected in the 4th pin (IR1) of telecommunications outlet, to form the capacitor that TR polarity is arranged.

9. the circuit board of telecommunications outlet according to claim 1, wherein the extension wire of this circuit board the 4th capacitor is connected in the 5th pin (IT1) of binding post, and another extension wire is the 6th pin (IR3) that is connected in telecommunications outlet, to form the capacitor that TR polarity is arranged.