CN202617093U

CN202617093U - Network signal processing circuit

Info

Publication number: CN202617093U
Application number: CN 201220213998
Authority: CN
Inventors: 莫家平; 刘有志
Original assignee: HONGYE TECHNOLOGY Inc
Current assignee: HONGYE TECHNOLOGY Inc
Priority date: 2012-05-11
Filing date: 2012-05-11
Publication date: 2012-12-19
Anticipated expiration: 2022-05-11

Abstract

The utility model discloses a network signal processing circuit. Two ends of the network signal processing circuit are respectively in electrical conduction between a network connector and a network chip; the professing circuit is provided with multiple circuit channels between the network connector and the network chip; the processing circuit is respectively in electrical connection with a signal coupling capacitor on one or more groups of circuit channels, and the processing circuit is electrically connected with inductor groups in serial connections between one or more groups of channels; the inductor groups are electrically connected with a bias voltage supply end, a voltage stabilization capacitor and a grounding end; the DC voltage level provided by the bias voltage supply end can be provided to the circuit channels through the inductor groups, so that, by the biased voltage level, the signal transmitted in the circuit channels is located in the positive voltage range, and is prevented from generating distortion after being located in the negative voltage range and cut off, and the signal can be integrally transmitted and received.

Description

The network signal treatment circuit

Technical field

The utility model relates to a kind of network signal treatment circuit; Especially refer between network chip and network connector, electrically connect the treatment circuit of signal coupling capacitance and inductive bank; Electrically connect the bias voltage feed end through inductive bank; Utilize bias voltage to be arranged in the positive voltage scope, to avoid, and then reach the purpose that signal integrity transmits and receives because of negative voltage excision distortion by the signal that transmits in the treatment circuit.

Background technology

Along with the fast development of computer technology now; And desktop computer or notebook computer general be present in each corner in the society; Its computer development trend is also strong towards calculation function, speed reaches the little direction of volume soon and strides forward; Because during network communications technology is also rapidly flourish, and bring people's life, study, work into another different brand-new boundary in the past with leisure, make between men and can transmit required real time information, advertising or the mail etc. that comes and goes each other through network communication; Utilize the various information of Web search, instant messaging or online game etc. simultaneously, let between people and the network relation more fervent and inseparable.

But the part of network has two kinds of modes such as connection of the cable of use and wireless transmission to transmit data, and the cable interconnection technique just need be equiped with network connector, along with the utilization of network is more and more wider; The data capacity of transmission over networks is also increasing, and network vendors is just drawn high the speed of Network Transmission for the demand that satisfies the user always, from 10Mbps to 100Mbps or 1Gbps; Even the present fiber optic network transmission speed of releasing can reach more than the 10Gbps; Yet when network transfer speeds was 10Mbps, its coded system was with Manchester (Manchester code) compiling method; Because the signal waveform on the cable is (the seeing also shown in Figure 7) that is symmetry shape; So when distorted signals or reception error in data, symmetry characteristic just capable of using carries out signal compensation, just can obtain complete and correct signal data thus; And when network transfer speeds is 100Mbps; Its coded system is with the compiling method of three kinds of potential level (3-levelternary code); The bit string is cut into one group of per eight bit; Each group then converts the character code with 6 symbols into, lets required sequential rate be reduced to 25MHz by 33.3MHz, so just can not surpass the patient 30MHz limit of twisted-pair feeder.

Yet, be that 1Gbps utilizes the sequential rate to be 125MHz in network transfer speeds, its coded system is to use five level 4D-PAM5 coding; Each level is represented a symbol; Each symbology 2 order information by this Signal Compression is strengthened with the quickening transmission speed, but its signal waveform is not symmetry shape (seeing also shown in Figure 8); In order to let the network signal (negative voltage partly) can be and distortion or inefficacy, so just will add that bias voltage is positioned at the positive voltage zone by signal and can transmits smoothly by excision.

Therefore, the legacy network connector sees also shown in Figure 9 for having the transformer module; The way of general manufacturer is that transformation coil B and filter coil C are installed on the circuit board A; And transformation coil B and filter coil C are arranged with lead D1 on core D, the terminal joint of lead D1 is the contact that is welded in circuit board A, because coil needs to cause production efficiency low with manual the winding; More can't automated production; Coil also ruptures easily and lets cost improve, and twine closely, differences such as distance, the number of turns also can impact effect, and causes product quality very different.

Therefore, how to solve the problem and the defective of existing transformation coil, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.

Summary of the invention

The objective of the invention is to solve above-mentioned defective of the prior art, a kind of undistorted ground transmission signals is provided, and network signal treatment circuit that can automated production.

A kind of network signal treatment circuit; The network connector that comprises network chip, treatment circuit and transmission network signal; And network chip utilizes treatment circuit to be electrically connected at network connector, and treatment circuit is provided with a plurality of circuit paths between network chip and network connector, wherein:

On the circuit path of a group or more between said network chip and network connector; Electrically be provided with the signal coupling capacitance respectively; And electrically be provided with inductive bank with parallel way again between a group or more circuit path, and inductive bank electrically is provided with bias voltage feed end, electric capacity of voltage regulation and earth terminal.

The network signal treatment circuit that the utility model proposes; Wherein, On the circuit path of a group or more between said network chip and network connector; Electrically be provided with a group or more resistance unit respectively with parallel way, and each resistance unit comprises the resistance that is series connection more than two or two, and between the resistance of series connection for electrically connecting electric capacity of voltage regulation and earth terminal.

The network signal treatment circuit that the utility model proposes, wherein, said treatment circuit is arranged on the circuit board of tool network chip, utilize again on the circuit board treatment circuit in addition end be electrically connected at network connector respectively.

The network signal treatment circuit that the utility model proposes; Wherein, Said treatment circuit is arranged at the inner circuit board of network connector; And network connector is electrically connected at the outside preinstalled circuit plate of tool network chip again, is for network chip on treatment circuit on the network connector internal circuit board and the outside preinstalled circuit plate to electrically conduct.

The network signal treatment circuit that the utility model proposes; Wherein, Between the circuit path of a group or more of said treatment circuit; Be parallel with inductive bank, and inductive bank comprises the inductance that is series connection more than two or two, and between the inductance of series connection, electrically connect the bias voltage feed end, electric capacity of voltage regulation and earth terminal.

The beneficial effect of the utility model is; Network signal treatment circuit through the utility model proposition; Make the signal that transmits in the circuit path be arranged in the positive voltage scope, can not produced distortion by excision, and then can make signal obtain complete transmission and reception because of being positioned at negative voltage range.In addition; The high-frequency signal that utilizes inductance that direct voltage is short-circuit condition and interchange in the utility model is the characteristic of open-circuit condition; The bias voltage that the bias voltage feed end is provided can pass through inductive bank smoothly; The high frequency network signal that transmits in the inductive bank two terminal circuit passage then can be intercepted and can't be passed through, and has avoided signal to be shunted ground connection and weaken.

Description of drawings

Fig. 1 is the simple circuit figure of the utility model treatment circuit.

Fig. 2 is the simple circuit figure of the utility model preferred embodiment treatment circuit.

Fig. 3 is the utility model simple circuit figure of an embodiment treatment circuit again.

Fig. 4 is the signal waveforms of the utility model.

Fig. 5 is the calcspar of the utility model preferred embodiment.

Fig. 6 is the calcspar of another embodiment of the utility model.

Fig. 7 is the signal waveforms of prior art transmission rate 10Mbps.

Fig. 8 is the signal waveforms of prior art transmission rate 1Gbps.

Fig. 9 is the stereo appearance figure of prior art.

Description of reference numerals: 1-network chip; The 11-pin set; The 12-circuit board; The 111-pin; The 2-network connector; The 21-terminal group; The 22-circuit board; The 211-terminal supportor; The 3-treatment circuit; The 31-circuit path; 32-signal coupling capacitance; The 33-inductive bank; The 331-inductance; 332-bias voltage feed end; The 333-electric capacity of voltage regulation; The 334-earth terminal; The 34-resistance unit; 341-resistance; The 342-electric capacity of voltage regulation; The 343-earth terminal; The A-circuit board; B-transformation coil; The C-filter coil; The D-core; The D1-lead.

Embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof are drawn now and are explained in detail that with regard to the preferred embodiment of the utility model its characteristic and function are following, in order to understanding fully.

See also Fig. 1,2,3, shown in 4; Be the simple circuit figure of the simple circuit figure of the utility model treatment circuit, preferred embodiment treatment circuit, simple circuit figure, the signal waveforms of an embodiment treatment circuit again; Find out this network signal treatment circuit by knowing shown in the figure; Comprise network chip 1, network connector 2, be electrically connected at the treatment circuit 3 between network chip 1 and the network connector 2, wherein:

This network chip 1 cording has the pin set 11 of confession transmission electronic/voltage signal; And network connector 2 has the terminal group 21 of confession transmission electronic/voltage signal; Between pin set 11 and terminal group 21, electrically connect treatment circuit 3 again; And treatment circuit 3 is the circuit path 31 that comprises a group or more, then electrically is provided with signal coupling capacitance 32 respectively on each circuit path 31, and in a group or more 31 of circuit paths; Electrically connect a group or more inductive bank 33 with parallel way; Then each inductive bank 33 comprises the inductance 331 that is series connection more than two or two, and each inductive bank 33 is electrically connected to bias voltage feed end 332 and electric capacity of voltage regulation 333, earth terminal 334 respectively in 331 of the inductance of connecting.

This bias voltage feed end 332 is the inductance 331 of series connection via inductive bank 33; Be electrically connected to the circuit path 31 of treatment circuit 3; With the pin set 11 of network chip 1 that direct current quasi-position to circuit path 31 is provided or the terminal group 21 of network connector 2, then

network chip

1,2 voltage signals that transmitted of network connector in the circuit path 31, the magnitude of voltage that just can make voltage signal is by being positioned at positive voltage and negative voltage range; Because of bias voltage booster tension voltage of signals value extremely only is arranged in the positive voltage scope; Voltage signal promptly can be by excision and distortion: in addition, because inductive bank 33 has again direct voltage is short-circuit condition, the high-frequency signal that exchanges is the characteristic of open-circuit condition; So bias voltage just can pass through inductive bank 33 smoothly; The high frequency network signal of inductive bank 33 2 ends then can be intercepted and can't be passed through, so voltage signal just only can transmission in circuit path 31, and then avoids voltage signal to be shunted ground connection and weakens.

And 21 of the terminal group of the pin set 11 of network chip 1, network connector 2 electrically connect treatment circuit 3; Can be again in a group or more 31 of circuit paths; Electrically connect a group or more resistance unit 34 with parallel way; Each resistance unit 34 comprises the resistance 341 that is series connection more than two or two, and 341 of the resistance of each resistance unit 34 series connection, electrically connects electric capacity of voltage regulation 342, earth terminal 343 respectively.

Then treatment circuit 3 is in 31 of a group or more circuit paths; Be shunt inductance group 33 and resistance unit 34; And resistance unit 34 is only made the usefulness of impedance matching; And the inductive bank 33 and the resistance unit 34 of parallel connection are respectively equipped with the inductance 331 of the series connection that is symmetry shape, the resistance 341 of series connection; And inductive bank 33 and resistance unit 34, the electric capacity of voltage regulation 333,342 that electrically connects respectively is in order to carry out filtering noise or surging; And the bias voltage feed end 332 that inductive bank 33 is connected can be external power source or bias voltage supplying circuit; As for the signal coupling capacitance 32 that electrically connects on each circuit path 31, then be that voltage signal is coupled.

In addition; This treatment circuit 3 is for utilizing an end of each circuit path 31; (each pin 111 can be respectively MD0+, MD0-, MD1+, MD1+, MD2+, MD2-, MD3+ and MX3-to be electrically connected at each pin 111 of pin set 11 of network chip 1; Only be the numbering of distinguishing as each pin 111, the conversion of the still visual actual design demand of each numbering, non-so promptly limit to the claim of the utility model); And treatment circuit 3 is for utilizing the other end of each circuit path 31; (each terminal supportor 211 can be respectively MX0+, MX0-, MX1+, MX1-, MX2+, MX2-, MX3+ and MD3-promptly to be electrically connected at each terminal supportor 211 of terminal group 21 of network connector 2; The numbering of only distinguishing as each terminal supportor 211; Each numbers the conversion of visual actual design demand, and is non-so promptly limit to the claim of the utility model).

In addition; Inductive bank 33 and resistance unit 34; With the inductance 331 of series connection, the resistance 341 of series connection, be connected to earth terminal 334,343 via electric capacity of voltage regulation 333,342 respectively, because inductance 331, resistance 341 that each electric capacity of voltage regulation 333,342 is connected; On manufacturing, deviation slightly may be arranged; And cause the MD+ on two limits, the magnitude of voltage difference of MD-, thus magnitude of voltage, the also formation symmetry of each electric capacity of voltage regulation 333,342 MD+, MD-will be utilized respectively with balance two limits, in addition; On reality is used because the accurate position of center voltage can upper and lower always displacement; So can produce the problem of distorted signals, but the utility model utilize electric capacity of voltage regulation 333,342 automatically adjustment to move to correct accurate position, can be certain after just can letting signal receive be reduced into signal originally.

Moreover; See also Fig. 5, shown in Figure 6; Be the calcspar of the utility model preferred embodiment, the calcspar of another embodiment; Shown in figure, can know the treatment circuit 3 of finding out the utility model, can directly be arranged on the circuit board 12 with network chip 1, utilize the terminal group 21 of treatment circuit 3 and network connector 2 on the circuit board 12 to electrically connect again; And treatment circuit 3 also can be arranged at the circuit board 22 of network connector 2 inside; Can be arranged on the outside preinstalled circuit plate as for 1 of network chip; With treatment circuit 3 on network connector 2 internal circuit boards 22, be electrically connected at the outside preinstalled circuit plate that network chip 1 sets firmly again; This treatment circuit 3 only tool to institute's electrons transmitted/voltage signal between network chip 1, the network connector 2; Be coupled and the function of bias voltage gets final product; Yet the configuration of related network chip 1, network connector 2 system is prior art; And thin portion constitutes non-this case creation main points, will not give unnecessary details now.

The network signal treatment circuit of above-mentioned the utility model can have following advantage when reality is used, as:

(1) this treatment circuit 3 is provided with a plurality of circuit paths 31; One or more circuit path 31 is provided with signal coupling capacitance 32 respectively, is parallel with inductive bank 33 again; And inductive bank 33 is connected with bias voltage feed end 332 for 331 of inductance in series connection; Utilize bias voltage feed end 332 direct current quasi-position is provided, through after the inductive bank 33; The pin set 11 of the network chip 1 of supply circuit passage 31 2 ends or the terminal group 21 of network connector 2 let the voltage signal of transmission in the circuit path 31 be arranged in the positive voltage scope, can avoid signal by excision and distortion.

(2) this inductive bank 33 is the inductance 331 of series connection; The high-frequency signal that utilization is short-circuit condition and interchange to direct voltage is the characteristic of open-circuit condition; The bias voltage that lets bias voltage feed end 332 provide can pass through inductive bank 33 smoothly, and the high frequency network signal that transmits in the inductive bank 33 two terminal circuit passages 31 then can be intercepted and can't pass through; So voltage signal just only can transmit in circuit path 31, weakens to avoid signal to be shunted ground connection.

So; The utility model is primarily aimed at the network signal treatment circuit; And can be provided with a plurality of circuit paths 31 in treatment circuit 3; And one or more circuit path 31 electrically is provided with signal coupling capacitance 32 respectively, and a plurality of circuit paths 31 2 ends of treatment circuit 3 are electrically connected at network chip 1, network connector 2 respectively, and a group or more circuit path 31 electrically connects inductive bank 33; Then inductive bank 33 is in 331 of the inductance of connecting; Be electrically connected with bias voltage feed end 332, electric capacity of voltage regulation 333 and earth terminal 334, utilize bias voltage feed end 332 that direct current quasi-position is provided, through inductive bank 33 supply circuit passages 31; Let the voltage signal of transmission in the circuit path 31 be arranged in the positive voltage scope, to avoid voltage signal by excision and distortion is main key protection point.

More than explanation is just illustrative as far as the utility model; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from following accompanying claims and limited and scope; Can make many modifications; Change, or equivalence, but all will fall in the protection range of the utility model.

Claims

1. network signal treatment circuit; The network connector that comprises network chip, treatment circuit and transmission network signal; And network chip utilizes treatment circuit to be electrically connected at network connector, and treatment circuit is provided with a plurality of circuit paths between network chip and network connector, it is characterized in that:

2. network signal treatment circuit according to claim 1; It is characterized in that; On the circuit path of a group or more between said network chip and network connector; Electrically be provided with a group or more resistance unit respectively with parallel way, and each resistance unit comprises the resistance that is series connection more than two or two, and between the resistance of series connection for electrically connecting electric capacity of voltage regulation and earth terminal.

3. network signal treatment circuit according to claim 1 is characterized in that, said treatment circuit is arranged on the circuit board of tool network chip, utilize again on the circuit board treatment circuit in addition end be electrically connected at network connector respectively.

4. network signal treatment circuit according to claim 1; It is characterized in that; Said treatment circuit is arranged at the inner circuit board of network connector; And network connector is electrically connected at the outside preinstalled circuit plate of tool network chip again, is for network chip on treatment circuit on the network connector internal circuit board and the outside preinstalled circuit plate to electrically conduct.

5. network signal treatment circuit according to claim 1; It is characterized in that; Between the circuit path of a group or more of said treatment circuit; Be parallel with inductive bank, and inductive bank comprises the inductance that is series connection more than two or two, and between the inductance of series connection, electrically connect the bias voltage feed end, electric capacity of voltage regulation and earth terminal.