CN107888228A - It is a kind of for the interface circuit of transponder, integrated circuit, method, system and program product - Google Patents
It is a kind of for the interface circuit of transponder, integrated circuit, method, system and program product Download PDFInfo
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- CN107888228A CN107888228A CN201710983388.5A CN201710983388A CN107888228A CN 107888228 A CN107888228 A CN 107888228A CN 201710983388 A CN201710983388 A CN 201710983388A CN 107888228 A CN107888228 A CN 107888228A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/59—Responders; Transponders
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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Abstract
The invention provides a kind of transponder interface circuit, integrated circuit signal, extracting method and system, the wherein circuit includes：C1 interface signal filter circuits, for filtering out C6 signals；Match circuit, the signal for being exported to C1 interface signals filter circuit match；Data extraction circuit, the C1 interface signals for being exported to match circuit extract.Circuit, integrated circuit, method, system and computer program product provided by the invention, circuit is simple, and transmission data reliability is high, possesses good impact resistance, resistance to static characteristic.
Description
Technical field
The present invention relates to railway signal transmission technique field, and in particular to a kind of transponder C1 interface signals filtering matching electricity
Road, integrated circuit, method, system and program product.
Background technology
Acknowledgement transmissions system (Balise Transmission SubSystem, abbreviation BTS) is in railway Transmission system
A kind of secure transmission system based on point information transmission, it realizes the peace between side equipment or ground installation and mobile unit
Full information is transmitted.Transponder Transmission system include transponder transport module (BTM) and car antenna unit (AU), transponder,
Three elements such as face electronic unit (LEU).
Wherein, transponder is installed on track centre, is divided into active balise (ControllledBalise) and passive response
Device (Fixed Balise), it is a kind of point type equipment for transmitting information to train based on ground, it is mainly used in nematic control vehicle-mounted
Equipment, which provides reliable ground fix information and variable information, these information, includes signal data, control data, position and geography
The information such as information, train object run information, route information, line speed and temporary speed limitation.With train running speed
Improve constantly, transponder has become the fundamental equipments in bullet train control system.During train operation, BTM leads to
The continuous earthward emittance of antenna element AU is crossed, transponder receives the power of antenna element radiation and worked, by in-line coding
Information or the coding information (only limiting active balise) of LEU (LEU) are sent to car antenna AU, and car antenna will
The up-link information received is transferred to BTM, and the data received are sent to vehicle-mounted control core by BTM.
Communication between transponder device and train control system miscellaneous equipment with lower interface mainly by being realized：
A interfaces：Wireless transmission interface between transponder and vehicle-mounted ATP；
C interface：Coffret of the trackside electronic unit (LEU) between active balise, it is received for transmitting message
The C1 interface signals of data and the C6 signals that power supply signal is provided.
With being substantially improved for train speed, the stability that the railway system transmits for signal proposes higher requirement, C
Interface serves vital effect as transmission of the interface between active balise and LEU to signal.Existing C interface
Circuit can not meet the data transportation requirements of bullet train.
The content of the invention
It is an object of the present invention to it is simple using a kind of circuit, and transmit the high circuit of data reliability, integrated electricity
Road, method, system and computer program product.
Therefore, the invention provides a kind of transponder interface circuit, the wherein circuit includes：
C1 interface signal filter circuits, for filtering out C6 signals；
Match circuit, the signal for being exported to C1 interface signals filter circuit match；
Data extraction circuit, the C1 interface signals for being exported to match circuit extract.
Further, the C1 interface signals filter circuit includes C6 signals band resistance circuit and C6 signal band-pass circuits.
Further, two C6 signals receive the differential signal of C1 interface signals with resistance circuit respectively：Positive signal C1_1
With negative signal C1_2, one end of the C6 signals band-pass circuit is connected with first C6 signals band resistance circuit, C6 signal band logicals
The other end of circuit is connected with second C6 signals band resistance circuit.
Further, the C6 signals are the antiresonant circuit that is formed in parallel by resistance, inductance and electric capacity with resistance circuit.
Further, the C6 signals band-pass circuit is the series resonant circuit being in series by inductance and electric capacity.
Further, the match circuit is resistor network.
Further, the resistor network includes first resistor, second resistance, 3rd resistor, the 4th resistance and the first electricity
Hold, the second electric capacity, wherein
The first end of first resistor is connected with the first end of the first electric capacity, the second end of first resistor and the of second resistance
One end is connected, and the second end of second resistance is connected with the first end of the second electric capacity, the second end and the 4th resistance of the second electric capacity
Second end connects, and the first end of the 4th resistance and the second end of 3rd resistor connect, the first end of 3rd resistor and the first electric capacity
The second end connection, the second end of 3rd resistor is also connected with the second end of first resistor.
Further, first resistor is made up of two resistance in parallel, and second resistance is made up of two resistance in parallel.
Further, the transponder interface circuit also has a dc point position circuit, it is described directly put position circuit with it is described
Match circuit is connected.
Further, the data extraction circuit includes differential received module, single-ended for C1 differential signals to be converted to
Signal, and the single-ended signal is sent to active logic processing module CPLD.
Further, match circuit is provided with short in size with data extraction circuit junction and checks end points, for the C1 to be connect
Message number is sent to the short in size of C1 signals and checks circuit.
Further, the C1 signals short in size checks that circuit carries out short in size inspection to C1 signals, and has output a signal to
Source logic processing module CPLD.
Present invention also offers a kind of transponder interface integrated circuit, wherein the integrated circuit includes：
Signal input port, the C1 interface signals of C6 signals are superimposed with for receiving；
C1 interface signal filtration modules, for filtering out C6 signals；
Matching module, for being matched to C1 interface signals caused by C1 signal filtration modules；
Data extraction module, for being extracted to the signal that matching module exports；
Signal output port, for the signal output for extracting data extraction module.
Further, the C1 interface signals filter circuit includes C6 signals band resistance circuit and C6 signal band-pass circuits.
Further, two C6 signals receive the differential signal of C1 interface signals with resistance circuit respectively：Positive signal C1_1
With negative signal C1_2, one end of the C6 signals band-pass circuit is connected with first C6 signals band resistance circuit, C6 signal band logicals
The other end of circuit is connected with second C6 signals band resistance circuit.
Further, the C6 signals are the antiresonant circuit that is formed in parallel by resistance, inductance and electric capacity with resistance circuit.
Further, the C6 signals band-pass circuit is the series resonant circuit being in series by inductance and electric capacity.
Further, the match circuit is resistor network.
Further, the resistor network includes first resistor, second resistance, 3rd resistor, the 4th resistance and the first electricity
Hold, the second electric capacity, wherein
The first end of first resistor is connected with the first end of the first electric capacity, the second end of first resistor and the of second resistance
One end is connected, and the second end of second resistance is connected with the first end of the second electric capacity, the second end and the 4th resistance of the second electric capacity
Second end connects, and the first end of the 4th resistance and the second end of 3rd resistor connect, the first end of 3rd resistor and the first electric capacity
The second end connection, the second end of 3rd resistor is also connected with the second end of first resistor.
Further, first resistor is made up of two resistance in parallel, and second resistance is made up of two resistance in parallel.
Further, the transponder interface circuit also has a dc point position circuit, it is described directly put position circuit with it is described
Match circuit is connected.
Further, the data extraction circuit includes differential received module, single-ended for C1 differential signals to be converted to
Signal, and the single-ended signal is sent to active logic processing module CPLD.
Further, match circuit is provided with short in size with data extraction circuit junction and checks end points, for the C1 to be connect
Message number is sent to the short in size of C1 signals and checks circuit.
Further, the C1 signals short in size checks that circuit carries out short in size inspection to C1 signals, and has output a signal to
Source logic processing module CPLD.
Present invention also offers a kind of C1 interface signal extracting methods of active balise, the C1 interface signals recovery side
Method includes：
By the C6 target signal filters in C1 interface signals；
C1 interface signals are matched；
The C1 interface signals of matching are extracted.
Further, the filter circuit being made up of antiresonant circuit and series resonant circuit is believed to filter out C6 interfaces
Number.
Further, by being matched by the resistor network that resistance and electric capacity are formed to C1 interface signals.
Further, the C1 interface signals of described pair of matching are extracted the differential signal specifically, by C1 interface signals
Single-ended signal is converted to, to realize the extraction to C1 interface signals.
Accordingly, present invention also offers a kind of active balise C1 interface signal extraction systems, it includes：Memory；
And one or more processors；
Wherein, the memory is connected with one or more of processor communications, and being stored with the memory can quilt
The instruction of one or more of computing devices, the instruction is by one or more of computing devices, so that described one
Individual or multiple processors can realize described method.
Accordingly, present invention also offers a kind of computer program product, the computer product, which includes computer, to be held
Row instruction, the computer executable instructions can perform described method.
Circuit, integrated circuit, method, system and computer program product provided by the invention, circuit is simple, transmits number
It is high according to reliability, possess good impact resistance, resistance to static characteristic.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used makees one in being described below to embodiment
Simply introduce, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ordinary skill
For personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1：Transponder Transmission system basic block diagram；
Fig. 2：The transponder general principle structure chart of the present invention；
Fig. 3：Transponder Transmission system interface structure schematic diagram；
Fig. 4：C1 interface signals filtering/match circuit basic structure circuit theory diagrams；
Fig. 5：Data extraction circuit basic structure circuit principle structure figure.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Formula is described in further detail to the present invention.
Referring to Fig. 1 transponder Transmission system basic block diagrams.Transponder Transmission system mainly includes mobile unit and ground
Equipment.Wherein mobile unit includes vehicle-mounted reception processing device and car antenna；Ground installation include trackside electronic unit (LEU) and
Ground transponder.
Ground transponder is functionally divided into two kinds, active balise and passive balise.As shown in Fig. 2 passive response
Device is stored in the data message of inside, data letter of the active balise transmission from the change of equipment by road to mobile unit transmission
Breath, when other equipment of holding sway breaks down, active balise is sent to mobile unit is stored in its internal data message.Therefore,
For active balise, itself should include the repertoire of passive balise, and passive balise is active answers in other words
Answer a part for device.
According to the basic function of ground transponder, transponder can be divided into following several modules：
Antenna part：Receive vehicle-mounted energy carrier frequency and send data message to mobile unit；
Power unit：The energy carrier frequency received is converted into the working power of transponder；
Data storage：For transponder data information and manufacture information will to be stored；
Data management：Select transponder mode of operation, such as mode of operation, programming mode；
Modulation circuit：After transponder data is carried out into FSK modulation, transmission antenna is transmitted to；
DLL：The interface of programming tool, rewritable transponder internal data information.
Above-mentioned six functions are the basic modules of passive balise, for active balise, in addition to following two
Point：
C interface circuit：With LEU interface；
Data converting circuit：It is transponder data by LEU DBPL code conversions.
Transponder is the critical piece of responder system, in fixation as high-speed railway point type data transmission set
The two-way communication between car ground is realized in place, and required various point informations, including trouble section length, route are provided for car-mounted computer
The information such as length, the gradient, block section length, curve, safety guarantee is provided for train high-speed cruising.
Trackside electronic unit (LEU) is the Electronic Interface Unit between ground transponder and signal system, is a kind of data
Collection and processing unit, for the information such as approach track signal and signal lamp position to be converted into message, are transferred to active balise
It is transmitted.
C interface is the data-interface between ground transponder and LEU LEU, as shown in Figure 3.C interface signal
Including baseband signal C1 interface signals and sine wave signal C6 signals.
Wherein：C1 interfaces are to active balise transmission base band.The characteristic index of C1 interfaces mainly has signal level, returned
Ripple loss, waveform and position coding, mean data rate, rising edge and trailing edge, eye pattern etc..C6 interfaces transmit power supply signal.LEU
8.820KHz sine wave C6 signals are directly transferred into active balise by circuit.C6 interface features index mainly has signal electric
Flat, return loss, frequency, harmonic wave etc..
Interface C1 input signals：Coded system encodes for DBPL, transmission rate average out to 564Kbit/s.
Interface C6 input signals：8820 ± 0.1KHz sine wave.
Because C1 interface signals and C6 interface signals differ greatly in frequency, LEU is believed C1 interface signals and C6 interfaces
Number power amplification is carried out respectively, then two kinds of signals after amplification are coupled in a transformer again, so as to realize at a pair
Two kinds of different signals are transmitted on transmission line.Therefore, transponder first has to the C1 interface signals that will be superimposed and C6 interfaces
Signal separator.And signal protection is to realize the separation by C1 interface signals and C6 interface signals with isolation module.
C interface is protected by signal tentatively realizes with isolation module isolating for C1 signals and C6 signals, so that by C6 signals
C6 interface signals filtering/matching module is transferred to, by C1 interface signal transfers to C1 interface signals filtering/matching module.C1 connects
Message filtering/matching module filters out C6 signals from C1 interface signals and C1 interface signals is matched, and then meets C1
Message number is output in data extraction circuit, and data extraction circuit carries to the signal of C1 interface signals filtering/matching module
Take, and the C1 differential signals (positive signal C1_1 and negative signal C1_2) of the C1 interface signals of extraction are converted into single-ended signal
Export and give active logic processing module (CPLD), while be supplied to the short in size of C1 interface signals to check circuit C1 signals, with to C1
Signal carries out short in size inspection.
C6 signals are entered in active circuit by the processing of C6 interface signals filtering/match circuit, are realized and are answered active
Answer device and operating voltage is provided.
C1 interface signals filtering/match circuit basic structure is as shown in figure 4, the circuit mainly includes：
C1 interface signal filter circuits, the filter circuit is used to filter out C6 signals from C1 interface signals, to prevent C6 from believing
Interference number to C1 signals, cause the error code of C1 signals；
C1 interface signal match circuits, the match circuit realize the impedance of C1 differential signals and data extraction circuit
Match somebody with somebody, eliminate the signal reflex in communication line.
C1 interface signal filter circuits are specially：
The C1 interface signals filter circuit includes two C6 signals band resistance circuit and a C6 signal band-pass circuits.It is described
C6 signals band resistance circuit is antiresonant circuit, and the C6 signals band-pass circuit is series resonant circuit.As shown in figure 3, two
Antiresonant circuit receives the C1 positive signal C1_1 and C1 negative signals C1_2 of C1 differential signals respectively.Antiresonant circuit is included simultaneously
The resistance of connection, the electric capacity of inductance.As illustrated, resistance R1, inductance L1 and electric capacity C1 form the first antiresonant circuit, for connecing
Receive C1 positive signals C1_1；Resistance R2, inductance L2 and electric capacity C2 form the second antiresonant circuit, for receiving C1 negative signals
C1_2.First antiresonant circuit and the second antiresonant circuit form the band resistance circuit to C6 signals.
Series resonant circuit is connected between the first antiresonant circuit and the second antiresonant circuit.As shown in figure 4,
Inductance L3 and electric capacity C3 connect to form series resonant circuit, realize the path of C6 signals.First antiresonant circuit, second are simultaneously
The filter circuit that connection resonance circuit and series resonant circuit are formed realizes filters C6 signals from C1 interface signals.
This circuit further prevents C6 signals from, to being disturbed caused by C1 signals, improving the anti-interference of system.
Match circuit：
Match circuit is additionally provided with after C1 interface signal filter circuits.As shown in figure 4, the match circuit is by resistance and electric capacity
Form, be specially：Resistance R3 is in parallel with resistance R5 to form first group of parallel resistance, resistance R4 formation second group in parallel with resistance R6
Parallel resistance.The first end of first group of parallel resistance is connected with inductance L3 and resistance R1 one end being connected, first group of parallel resistance
The second end be connected with the first end of second group of parallel resistance；Second end of second group of parallel resistance and electric capacity C3 and resistance R2 phases
One end connection even.Electric capacity C4 first end is connected with the first end of first group of parallel resistance, electric capacity C4 the second end and resistance
R7 first end is connected, and resistance R7 the second end is connected with the second end of first group of parallel resistance.Resistance R8 first end and electricity
Resistance R7 the second end is connected, and resistance R8 the second end is connected with electric capacity C5 the second end, and electric capacity C5 first end and second group are simultaneously
Second end of connection resistance is connected.
This C1 interface signals match circuit, C1 differential signals are matched with the impedance of data extraction circuit, eliminated
Signal reflex in communication line, it is more beneficial for the stability of C1 interface signal transfers.
In the C1 interface signals filtering match circuit, also a dc point position circuit is connected with Data Matching circuit,
To provide dc point position to the Data Matching circuit.Dc point position circuit is specially：
Dc point position circuit includes multiple electric capacity and resistance, as shown in Figure 4.The of resistance R9 in the circuit of dc point position
One end is connected with power supply VCC, and resistance R9 the second end is connected with electric capacity C6 first end, electric capacity C6 the second end ground connection, electric capacity
C7 first end is connected with electric capacity C71 first end, and electric capacity C7 the second end is connected with electric capacity C8 first end, and the of electric capacity C8
Two ends are grounded；Resistance R10 first end is connected with electric capacity C7 first end, resistance R10 the second end and resistance R11 first end
Connection, resistance R11 the second end ground connection；Resistance R10 the second end is also connected with resistance R7 the second end, to realize dc point position
Circuit is connected with the Data Matching circuit and provides dc point position to Data Matching circuit.
Data extraction circuit receives the C1 differential signals of the match circuit output, the data extraction electricity with reference to shown in Fig. 5
Road principle assumption diagram, the side a and b of the side a and b of the match circuit respectively with the data extraction circuit are connected.
The data extraction circuit, the signal of C1 interface signals match circuit output is extracted, realized C1 difference
Signal is converted to single-ended signal and is output in active logic processing module CPLD, while also by short in size inspection (DMJ) that C1 is poor
Sub-signal is drawn out to the short in size of C1 interface signals and checks circuit, to realize the short in size inspection to C1 signals.
The differential signal C1_1 and C1_2 of C1 interface signals are after filtering after the filtering of circuit and the matching of match circuit point
The data extraction circuit is not entered by side a and b, the data extraction circuit is extracted data, by C1 difference
Signal is converted to single-ended signal.Data extraction circuit concrete structure is as shown in Figure 3.
Data extraction circuit concrete structure is as shown in Figure 5.Mainly pass through differential received module (example in digital extraction circuit
The DS90C032B chips of TI companies can be such as used, but the present invention is not limited to the chip, any other can believe difference
The module for number being converted to single-ended signal may be incorporated for the present invention) C1 differential signals are converted into single-ended signal.Specifically connect with C1
The attachment structure of message filtering/match circuit is：The second end of electric capacity C4 in resistance R12 first end and match circuit connects
Connect, resistance R12 the second end is connected with resistance R15 first end, while first end of resistance R12 the second end also with electric capacity C9
Connection, electric capacity C9 the second end ground connection；Resistance R15 the second end is connected with the positive signal input of differential received chip.
Resistance R13 first end is connected with the second end of the electric capacity C5 in the match circuit, while the first of resistance R13
The first end also with electric capacity C11 is held to be connected, electric capacity C11 the second end is connected with resistance R14 first end, and the second of resistance R14
End ground connection.Resistance R13 the second end is connected by resistance R16 with the negative signal input of differential received chip, meanwhile, resistance
First end of R13 the second end also with electric capacity C10 is connected, electric capacity C10 the second end ground connection.
The C1 differential received signals of reception are converted to single-ended signal by differential received module, are exported by output port.
The foregoing circuit structure and its method of the present invention can also realize that the clock generation is integrated with an integrated circuit
Circuit includes：
Signal input port, the C1 interface signals of C6 signals are superimposed with for receiving；
Signal filtration module, for filtering out C6 signals；
Matching module, for being matched to signal caused by C1 signal filtration modules；
Data extraction module, for being extracted to the signal that matching module exports；
Signal output port, for the signal output for extracting data extraction module.
Can be realized by the system of computer program control in the method for the present invention.Therefore, ground is corresponded, this
A kind of C1 interface signals extraction system also is provided simultaneously in the embodiment of invention, it includes：Memory；At one or more
Manage device；
Wherein, the memory is connected with one or more of processor communications, and being stored with the memory can quilt
The instruction of one or more of computing devices, the instruction is by one or more of computing devices, so that described one
Individual or multiple processors can realize the method for the present invention.
Meanwhile present invention also offers a kind of computer program product, the computer product, which includes computer, to be held
Row instruction, the computer executable instructions can perform the method described in above-mentioned any embodiment.
The present invention all step methods, such as signal receive, matching, extraction etc. can also by one in system/
Or multiple processor processing.Processor can be any programmable microprocessor, microcomputer or (can apply journey by software instruction
Sequence) configure to perform the processor chip of multiple functions (function of including various embodiments described herein).Processing
Device may include to be enough the internal storage for storing application software instruction, and internal storage can be volatibility or non-volatile deposit
The mixing of reservoir (for example, flash memory) or both.For the purpose of this description, to memory referring generally to refer to can be by
All memories of processor access, including internal storage, the removable memories that are inserted into equipment and processor itself
Interior memory.
In the present invention, described function can be implemented with hardware, software, firmware or its any combinations.If with hardware
Implement, then feature can be implemented in the circuit for the process circuit that can be suitable in system.This process circuit may include to use
In the circuit for realizing any one or more in the data receiver described in each embodiment, matching and extraction step.If
Implemented with software, then the function can be stored in computer-readable media as one or more instructions or code
On, or transmit via computer-readable media.The step of method disclosed herein or algorithm, can be included in performed
Processor can perform in software module, and the processor can perform software module and can reside within computer-readable media.Calculate
Machine readable media includes both computer storage media and communication medium, and communication medium is included promoting by computer program at one
It is sent to any media at another place.Storage media can be can be by any useable medium of computer access.As example rather than
Limitation, this computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage apparatus, disk storage fills
Put or other magnetic storage devices, or can be used to deliver or store in the form of instruction or data structure want program code and
Can be by any other media of computer access.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can
To be or may not be physically separate.Some or all of module therein can be selected according to the actual needs
Realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not in the case where paying performing creative labour, you can with
Understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
The part that technical scheme substantially in other words contributes to prior art is stated to embody in the form of software product, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including some fingers
Make to cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform each implementation
Method described in some parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.It is front and rear
Do not necessarily imply that it must is a kind of order of priority execution between two steps, as long as can solve the problem that the technology of the present invention is asked
Topic, and do not necessarily implied that between former and later two steps and necessarily eliminate other steps unlisted in invention；Together
Reason, not necessarily meaning is a kind of directly electrical connection between each circuit of system, electronic device, module, specification table
What is shown is only logical relation.Although the present invention is described in detail with reference to the foregoing embodiments, the common skill of this area
Art personnel should be understood：It can still modify to the technical scheme described in foregoing embodiments, or to its middle part
Technical characteristic is divided to carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the present invention
The spirit and scope of each embodiment technical scheme.
Claims (30)
1. a kind of transponder interface circuit, the wherein circuit include：
C1 interface signal filter circuits, for filtering out C6 signals；
Match circuit, the signal for being exported to C1 interface signals filter circuit match；
Data extraction circuit, the C1 interface signals for being exported to match circuit extract.
2. transponder interface circuit according to claim 1, wherein,
The C1 interface signals filter circuit includes C6 signals band resistance circuit and C6 signal band-pass circuits.
3. transponder interface circuit according to claim 2, wherein,
Two C6 signals receive the differential signal of C1 interface signals with resistance circuit respectively：Positive signal C1_1 and negative signal C1_
2, one end of the C6 signals band-pass circuit be connected with first C6 signal band resistance circuit, the other end of C6 signal band-pass circuits and
Second C6 signals band resistance circuit connects.
4. transponder interface circuit according to claim 2, wherein,
The C6 signals are the antiresonant circuit that is formed in parallel by resistance, inductance and electric capacity with resistance circuit.
5. transponder interface circuit according to claim 2, wherein,
The C6 signals band-pass circuit is the series resonant circuit being in series by inductance and electric capacity.
6. transponder interface circuit according to claim 1, wherein,
The match circuit is resistor network.
7. transponder interface circuit according to claim 6, wherein,
The resistor network includes first resistor, second resistance, 3rd resistor, the 4th resistance and the first electric capacity, the second electric capacity, its
In
The first end of first resistor is connected with the first end of the first electric capacity, the second end of first resistor and the first end of second resistance
Connection, the second end of second resistance are connected with the first end of the second electric capacity, the second end of the second electric capacity and the second of the 4th resistance
Second end of end connection, the first end of the 4th resistance and 3rd resistor connects, and the of the first end of 3rd resistor and the first electric capacity
Two ends are connected, and the second end of 3rd resistor is also connected with the second end of first resistor.
8. transponder interface circuit according to claim 7, wherein,
First resistor is made up of two resistance in parallel, and second resistance is made up of two resistance in parallel.
9. according to any described transponder interface circuits of claim 1-8, wherein,
The transponder interface circuit also has dc point position circuit, and the directly point position circuit is connected with the match circuit.
10. transponder interface circuit according to claim 1, wherein,
The data extraction circuit includes differential received module, for C1 differential signals to be converted into single-ended signal, and by the list
End signal is sent to active logic processing module CPLD.
11. transponder interface circuit according to claim 1, wherein,
Match circuit is provided with short in size with data extraction circuit junction and checks end points, for the C1 interface signals to be sent into C1
Signal short in size checks circuit.
12. transponder interface circuit according to claim 11, wherein,
The C1 signals short in size checks that circuit carries out short in size inspection to C1 signals, and outputs a signal to active logic processing module
CPLD。
A kind of 13. transponder interface integrated circuit, wherein the integrated circuit includes：
Signal input port, the C1 interface signals of C6 signals are superimposed with for receiving；
C1 interface signal filtration modules, for filtering out C6 signals；
Matching module, for being matched to C1 interface signals caused by C1 signal filtration modules；
Data extraction module, for being extracted to the signal that matching module exports；
Signal output port, for the signal output for extracting data extraction module.
14. transponder interface integrated circuit according to claim 13, wherein,
The C1 interface signals filter circuit includes C6 signals band resistance circuit and C6 signal band-pass circuits.
15. transponder interface integrated circuit according to claim 14, wherein,
Two C6 signals receive the differential signal of C1 interface signals with resistance circuit respectively：Positive signal C1_1 and negative signal C1_
2, one end of the C6 signals band-pass circuit be connected with first C6 signal band resistance circuit, the other end of C6 signal band-pass circuits and
Second C6 signals band resistance circuit connects.
16. transponder interface integrated circuit according to claim 14, wherein,
The C6 signals are the antiresonant circuit that is formed in parallel by resistance, inductance and electric capacity with resistance circuit.
17. transponder interface integrated circuit according to claim 14, wherein,
The C6 signals band-pass circuit is the series resonant circuit being in series by inductance and electric capacity.
18. transponder interface integrated circuit according to claim 13, wherein,
The match circuit is resistor network.
19. transponder interface integrated circuit according to claim 18, wherein,
The resistor network includes first resistor, second resistance, 3rd resistor, the 4th resistance and the first electric capacity, the second electric capacity, its
In
The first end of first resistor is connected with the first end of the first electric capacity, the second end of first resistor and the first end of second resistance
Connection, the second end of second resistance are connected with the first end of the second electric capacity, the second end of the second electric capacity and the second of the 4th resistance
Second end of end connection, the first end of the 4th resistance and 3rd resistor connects, and the of the first end of 3rd resistor and the first electric capacity
Two ends are connected, and the second end of 3rd resistor is also connected with the second end of first resistor.
20. transponder interface integrated circuit according to claim 19, wherein,
First resistor is made up of two resistance in parallel, and second resistance is made up of two resistance in parallel.
21. according to any described transponder interface integrated circuits of claim 13-20, wherein,
The transponder interface circuit also has dc point position circuit, and the directly point position circuit is connected with the match circuit.
22. transponder interface integrated circuit according to claim 13, wherein,
The data extraction circuit includes differential received module, for C1 differential signals to be converted into single-ended signal, and by the list
End signal is sent to active logic processing module CPLD.
23. transponder interface integrated circuit according to claim 13, wherein,
Match circuit is provided with short in size with data extraction circuit junction and checks end points, for the C1 interface signals to be sent into C1
Signal short in size checks circuit.
24. transponder interface integrated circuit according to claim 23, wherein,
The C1 signals short in size checks that circuit carries out short in size inspection to C1 signals, and outputs a signal to active logic processing module
CPLD。
25. a kind of C1 interface signal extracting methods of active balise, the C1 interface signals restoration methods include：
By the C6 target signal filters in C1 interface signals；
C1 interface signals are matched；
The C1 interface signals of matching are extracted.
26. C1 interface signals extracting method according to claim 25, wherein：
C6 interface signals are filtered out by the filter circuit of antiresonant circuit and series resonant circuit composition.
27. C1 interface signals extracting method according to claim 25, wherein：
By being matched by the resistor network that resistance and electric capacity are formed to C1 interface signals.
28. C1 interface signals extracting method according to claim 25, wherein：
The C1 interface signals of described pair of matching are extracted specifically, the differential signal of C1 interface signals is converted into single-ended letter
Number, to realize the extraction to C1 interface signals.
29. a kind of active balise C1 interface signal extraction systems, it includes：Memory；And one or more processors；
Wherein, the memory is connected with one or more of processor communications, and being stored with the memory can be described
The instruction that one or more processors perform, the instruction by one or more of computing devices so that it is one or
Multiple processors can realize method as claimed in claim 25.
30. a kind of computer program product, the computer product includes computer executable instructions, and the computer is executable to be referred to
Method described in the executable claim 25 of order.
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| CN201710983388.5A CN107888228B (en) | 2017-10-20 | 2017-10-20 | Interface circuit, integrated circuit, method, system and program product for a transponder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653690A (en) * | 2020-12-18 | 2021-04-13 | 卡斯柯信号有限公司 | Analog demodulation circuit for acquiring message by C interface of ground electronic unit |
| CN115276839A (en) * | 2022-07-29 | 2022-11-01 | 沈阳铁路信号有限责任公司 | Method for testing C interface of single-channel active transponder |
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| US4956643A (en) * | 1989-05-02 | 1990-09-11 | Hac | Transponder with selective antenna beam using shared antenna feed elements |
| CN103427920A (en) * | 2013-08-02 | 2013-12-04 | 北京交大思诺科技有限公司 | Test device and test method for C interface signals of lineside electronic unit (LEU) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4956643A (en) * | 1989-05-02 | 1990-09-11 | Hac | Transponder with selective antenna beam using shared antenna feed elements |
| CN103427920A (en) * | 2013-08-02 | 2013-12-04 | 北京交大思诺科技有限公司 | Test device and test method for C interface signals of lineside electronic unit (LEU) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653690A (en) * | 2020-12-18 | 2021-04-13 | 卡斯柯信号有限公司 | Analog demodulation circuit for acquiring message by C interface of ground electronic unit |
| CN112653690B (en) * | 2020-12-18 | 2022-07-26 | 卡斯柯信号有限公司 | Analog demodulation circuit for acquiring message by C interface of ground electronic unit |
| CN115276839A (en) * | 2022-07-29 | 2022-11-01 | 沈阳铁路信号有限责任公司 | Method for testing C interface of single-channel active transponder |
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