CN103076841A - Open type precise time sequence generating system - Google Patents
Open type precise time sequence generating system Download PDFInfo
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- CN103076841A CN103076841A CN201310004715XA CN201310004715A CN103076841A CN 103076841 A CN103076841 A CN 103076841A CN 201310004715X A CN201310004715X A CN 201310004715XA CN 201310004715 A CN201310004715 A CN 201310004715A CN 103076841 A CN103076841 A CN 103076841A
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Abstract
The invention provides an open type precise time sequence generating system. A reference clock source and a menu controller of the time sequence generating system are respectively connected with a coding clock generator; the coding clock generator is connected with a light power amplifier; the light power amplifier is connected with a light splitter array; a picosecond synchronizer array and a nanosecond synchronizer array are respectively connected with the light splitter array; the menu controller is also connected with a microsecond starting electrical-optical fanning-out device array; the microsecond starting electrical-optical fanning-out device array is connected with a microsecond synchronizer array; and the units are all in remote centralized control with a computer on the basis of the Ethernet so as to realize connection. According to the system provided by the invention, precise time sequence signals with one time and repetition frequency are generated by adopting two kinds of precise data streams, the connection of the total system is realized by light, the operation is simple, the operation of cutting can be carried out according to actual requirements, and the generation of several to thousands of paths of precise time sequence signals is realized.
Description
Technical field
The present invention relates to a kind of open accurate sequential generation systems, can be applicable to the work schedule control of all kinds of solid-state laser apparatus, Medical Devices, high speed circuit test etc.
Background technology
At present, general accurate sequential generation systems function is fixed, be operated in single cpu mode or several online modes, non-open mode, the system extension difficulty, the accurate clock signal limited amount (tens of road) that provides can not be realized the flexible configuration of the accurate clock signal in number road, the accurate clock signal in tens of road, the accurate clock signal of the accurate clock signal in hundreds of road or thousands of road according to actual needs.
Summary of the invention
The invention provides a kind of open accurate sequential generation systems, this sequential generation systems can be expanded or reduce according to actual needs, realizes that the number road is to the generation of the accurate clock signal in tens thousand of roads.
Open accurate sequential generation systems of the present invention comprises that reference clock source, encoded clock generator, menu controller, power amplifier, optical splitter array, microsecond start electric light fan-out device array, psec synchrodyne array, nanosecond synchrodyne array, microsecond synchrodyne array, computer remote centralized control.Reference clock source, menu controller are connected with the encoded clock generator respectively; The encoded clock generator is connected with power amplifier; Power amplifier is connected with the optical splitter array; Psec synchrodyne array, nanosecond, the synchrodyne array was connected with the optical splitter array respectively; The menu controller starts electric light fan-out device array with microsecond and is connected; Microsecond starts electric light fan-out device array and is connected with microsecond synchrodyne array; Above unit is all realized being connected based on Ethernet with the computer remote centralized control.
Described sequential generation systems also comprises following content: adopt two kinds of accurate data stream to produce all kinds of accurate clock signals, a kind of accurate data stream adopts clock and data recovery technique to realize that the encoded light transmission of required clock and trigger pip occurs for picosecond, the accurate clock signal of nanosecond; The enabling signal that another kind of accurate data stream adopts the different frequency of operation of the light pulse signal representative of different certain width to occur as the accurate clock signal of Microsecond grade; The time synchronized association of two kinds of accurate data stream realizes by the menu controller.
Described sequential generation systems also comprises following content: described system provides single and the accurate clock signal of repetition frequency to occur, the accurate clock signal of open accurate sequential generation systems output repetition frequency in the default situation, encoded clock generator repeated encoding produces the accurate data stream that comprises picosecond, the accurate sequential enabling signal of nanosecond repetition frequency, and the 1Hz signal that the menu controller is sent here according to encoded clock generator (2) repeats to produce the certain width pulse signal that starts for the accurate clock signal of repetition frequency Microsecond grade;
When needing the single precision timing signal, comprise the following steps:
A) start the single precision timing signal by manual or computer control and occur, the menu controller is received the single enabling signal immediately one time;
B) the 1Hz signal sent here according to the encoded clock generator immediately of menu controller, producing a single enable signal is transmitted back to the encoded clock generator on the one hand, produce the accurate data stream that once comprises the accurate sequential enabling signal of picosecond, nanosecond single and repetition frequency by encoded clock generator coding, this data stream is sent into power amplifier, thereby starts the generation of the accurate clock signal of picosecond, nanosecond single and repetition frequency; The menu controller produces the Precision Pulse signal that once has another certain width and sends into microsecond startup electric light fan-out device array on the other hand, this Precision Pulse signal starts electric light fan-out device array fan-out by microsecond, send to microsecond synchrodyne array, the microsecond synchrodyne is realized the generation of the accurate clock signal of single and repetition frequency Microsecond grade simultaneously by extracting the width of Precision Pulse signal.
Open accurate sequential generation systems specific works mode of the present invention is as follows:
1) reference clock source is adopted in the generation of picosecond, the accurate clock signal of nanosecond, utilize this clock source to produce the accurate data stream of clock and trigger pip as the work clock coding, this data stream is propagated with the form of optical data stream by electric light conversion and optical splitter, realize the broadcasting of clock and trigger pip by clock and data recovery technique, psec synchrodyne array, the nanosecond synchrodyne array that is distributed in on-the-spot regional utilizes clock and data to recover to produce picosecond, the accurate clock signal of nanosecond;
2) counting of the time delay of the accurate clock signal generation of Microsecond grade adopts the local clock in the microsecond synchrodyne, the enabling signal that the startup of the accurate clock signal time delay of Microsecond grade adopts the menu controller to send, this microsecond enabling signal starts electric light fan-out device array through microsecond can fan-out multichannel microsecond enabling signal, realize simultaneously the startup work of many microsecond synchrodyne time delays, to produce the accurate clock signal of multichannel Microsecond grade.
3) generation of the accurate clock signal of single and repetition frequency, the accurate clock signal of open accurate sequential generation systems output repetition frequency in the default situation, encoded clock generator repeated encoding produces the accurate data stream that comprises picosecond, the accurate sequential enabling signal of nanosecond repetition frequency, the 1Hz signal that the menu controller is sent here according to the encoded clock generator repeats to produce the Precision Pulse signal with certain pulse width that starts for the accurate clock signal of repetition frequency Microsecond grade.When needing the single precision timing signal, start the single precision timing signal by manual or computer remote centralized control and occur, make the menu controller receive the single enabling signal one time; The 1Hz signal that the menu controller is sent here according to the encoded clock generator, producing a single enable signal is transmitted back to the encoded clock generator on the one hand, produce the accurate data stream that once comprises the accurate sequential enabling signal of picosecond, nanosecond single and repetition frequency by encoded clock generator coding, this data stream becomes multichannel output by power amplifier and light splitting, send to respectively psec synchrodyne array, nanosecond synchrodyne array, psec synchrodyne, nanosecond synchrodyne recover to extract single and the accurate sequential enabling signal of repetition frequency by clock and data; The 1Hz signal that the menu controller is sent here according to the encoded clock generator, produce synchronously on the other hand the once Precision Pulse signal of another kind of pulse width, this Precision Pulse signal starts electric light fan-out device array fan-out by microsecond, send to microsecond synchrodyne array, the microsecond synchrodyne is realized the generation of the accurate clock signal of single and repetition frequency Microsecond grade simultaneously by extracting the width of Precision Pulse signal.
Each component units of accurate sequential generation systems carries out the remote control management by computer network, realizes that the frequency of operation of accurate clock signal is selected, and time delay is set, and the setting of pulse width etc.
Whole accurate sequential generation systems arranges simply, psec synchrodyne, nanosecond, the quantity of synchrodyne, microsecond synchrodyne can according to using needs be configured, realize the flexible configuration of the accurate clock signal in number road, the accurate clock signal in tens of road, the accurate clock signal of the accurate clock signal in hundreds of road or thousands of road.
The quantity that is characterized by psec synchrodyne that psec synchrodyne array, nanosecond synchrodyne array, microsecond synchrodyne array comprise, nanosecond synchrodyne, microsecond synchrodyne of the present invention can any amount combination in hundreds of scopes.
Description of drawings
The block scheme of the open accurate sequential generation systems embodiment of Fig. 1.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
Referring to Fig. 1, open accurate sequential generation systems of the present invention comprises that reference clock source 1, encoded clock generator 2, menu controller 7, power amplifier 3, optical splitter array 4, microsecond start electric light fan-out device array 8, psec synchrodyne array 5, nanosecond synchrodyne array 6, microsecond synchrodyne array 9, computer remote centralized control 10 etc.Reference clock source 1, menu controller 7 are connected with encoded clock generator 2 respectively; Encoded clock generator 2 is connected with power amplifier 3; Power amplifier 3 is connected with optical splitter array 4; Psec synchrodyne array 5, nanosecond, the synchrodyne array 6 was connected with optical splitter array 4 respectively; Menu controller 7 starts electric light fan-out device array 8 with microsecond and is connected; Microsecond starts electric light fan-out device array 8 and is connected with microsecond synchrodyne array 9; Above unit is all realized being connected based on Ethernet with computer remote centralized control 10.
The reference clock that reference clock source 1 produces is sent into encoded clock generator 2, this reference clock arrives 155.52MHz as the work clock of whole accurate sequential generation systems through phase-locked and frequency inverted in encoded clock generator 2, pass through again the mutual realization clock of coding module and menu controller 7 and the hybrid coding of trigger pip, finally obtain the accurate data stream of 155.52MHz, this data stream is with light pulse, put device 3 and optical splitter array 4 through luminous power, broadcast to the whole audience with the form of hundreds of roads light pulse.
Be distributed in psec synchrodyne array 5, the nanosecond synchrodyne array 6 of on-the-spot regional, with accurate data stream as input signal, obtain clock signal and data-signal, relevant picosecond or nanosecond time delay circuit through opto-electronic conversion, clock and data recovery, finally obtain multichannel picosecond, the accurate clock signal of nanosecond.
The accurate clock signal of open accurate sequential generation systems output repetition frequency in the default situation, encoded clock generator 2 repeated encodings produce the accurate data stream that comprises picosecond, the accurate sequential enabling signal of nanosecond repetition frequency, the 1Hz signal that menu controller 7 is sent here according to encoded clock generator 2 produces the Precision Pulse signal with certain width that is used for the accurate clock signal startup of repetition frequency Microsecond grade.
When needing the single precision timing signal, make menu controller 7 receive a single enabling signal by manual triggers or computer remote centralized control 10, the 1Hz signal that menu controller 7 is sent here according to encoded clock generator 2 immediately, the menu signal that is enabled picosecond, the generation of nanosecond single precision timing signal by the generation of menu controller is transmitted back to encoded clock generator 2 again, thereby coding produces the accurate data stream that comprises clock, single and repetition frequency picosecond, the accurate clock signal startup of nanosecond.The 1Hz Signal coding sent here according to encoded clock generator 2 of menu controller 7 produces and has certain width Precision Pulse signal on the other hand, single and repetition enabling signal that this Precision Pulse signal occurs as the accurate clock signal of Microsecond grade simultaneously, this Precision Pulse signal is sent into microsecond and is started electric light fan-out device array 8, form fan-out with the light pulse of hundreds of roads, send into the microsecond synchrodyne array 9 that is distributed in on-the-spot regional, through opto-electronic conversion, single and repetition microsecond enabling signal are extracted, the Microsecond grade time delay circuit, the accurate clock signal of final output multi-channel Microsecond grade.
Each component units of whole accurate sequential generation systems can pass through computer remote centralized control 10, realizes that the frequency of operation of accurate clock signal is selected, and time delay is set, and the setting of pulse width etc.
This system is characterized by the opening of system, total system realize to connect by light, psec synchrodyne array 5, nanosecond the psec synchrodyne that comprises respectively of synchrodyne array 6, microsecond synchrodyne array 9, nanosecond the quantity of synchrodyne, microsecond synchrodyne can any amount combination in hundreds of scopes.
Claims (3)
1. open accurate sequential generation systems is characterized in that: described sequential generation systems comprises that reference clock source (1), encoded clock generator (2), menu controller (7), power amplifier (3), optical splitter array (4), microsecond start electric light fan-out device array (8), psec synchrodyne array (5), nanosecond synchrodyne array (6), microsecond synchrodyne array (9), computer remote centralized control (10); Reference clock source (1), menu controller (7) are connected with encoded clock generator (2) respectively; Encoded clock generator (2) is connected with power amplifier (3); Power amplifier (3) is connected with optical splitter array (4); Psec synchrodyne array (5), nanosecond synchrodyne array (6) are connected with optical splitter array (4) respectively; Menu controller (7) also starts electric light fan-out device array (8) with microsecond and is connected; Microsecond starts electric light fan-out device array (8) and is connected with microsecond synchrodyne array (9); Above unit is all realized being connected based on Ethernet with computer remote centralized control (10).
2. open accurate sequential generation systems according to claim 1, it is characterized in that: described sequential generation systems also comprises following content: adopt two kinds of accurate data stream to produce all kinds of accurate clock signals, a kind of accurate data stream adopts clock and data recovery technique to realize that the encoded light transmission of required clock and trigger pip occurs for picosecond, the accurate clock signal of nanosecond; The enabling signal that another kind of accurate data stream adopts the different frequency of operation of the light pulse signal representative of different certain width to occur as the accurate clock signal of Microsecond grade; The time synchronized of two kinds of accurate data stream is related to be realized by menu controller (7).
3. open accurate sequential generation systems according to claim 1, it is characterized in that: described sequential generation systems also comprises following content: described system provides single and the accurate clock signal of repetition frequency to occur, the accurate clock signal of open accurate sequential generation systems output repetition frequency in the default situation, encoded clock generator (2) repeated encoding produces and comprises picosecond, the accurate data stream of the accurate sequential enabling signal of nanosecond repetition frequency, the 1Hz signal that menu controller (7) is sent here according to encoded clock generator (2) repeat to produce the certain width pulse signal that starts for the accurate clock signal of repetition frequency Microsecond grade;
When needing the single precision timing signal, comprise the following steps:
A) start the single precision timing signal by manual or computer control and occur, menu controller (7) is received the single enabling signal immediately one time;
B) the 1Hz signal sent here according to encoded clock generator (2) immediately of menu controller (7), producing a single enable signal is transmitted back to encoded clock generator (2) on the one hand, produce the accurate data stream that once comprises the accurate sequential enabling signal of picosecond, nanosecond single and repetition frequency by encoded clock generator (2) coding, this data stream is sent into power amplifier (3), thereby starts the generation of the accurate clock signal of picosecond, nanosecond single and repetition frequency; Menu controller (7) produces the Precision Pulse signal that once has another certain width and sends into microsecond startup electric light fan-out device array (8) on the other hand, this Precision Pulse signal starts electric light fan-out device array (8) fan-out by microsecond, send to microsecond synchrodyne array (9), the microsecond synchrodyne is realized the generation of the accurate clock signal of single and repetition frequency Microsecond grade simultaneously by extracting the width of Precision Pulse signal.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6329850B1 (en) * | 1999-12-27 | 2001-12-11 | Texas Instruments Incorporated | Precision frequency and phase synthesis |
| CN102170277A (en) * | 2011-01-20 | 2011-08-31 | 中国科学院半导体研究所 | Picosecond-accuracy narrow-pulse width transistor-transistor logic (TTL) signal acquisition method based on phase shift AND operation |
| CN203133661U (en) * | 2013-01-08 | 2013-08-14 | 中国工程物理研究院激光聚变研究中心 | Open-type precise timing sequence generating system |
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- 2013-01-08 CN CN201310004715.XA patent/CN103076841B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6329850B1 (en) * | 1999-12-27 | 2001-12-11 | Texas Instruments Incorporated | Precision frequency and phase synthesis |
| CN102170277A (en) * | 2011-01-20 | 2011-08-31 | 中国科学院半导体研究所 | Picosecond-accuracy narrow-pulse width transistor-transistor logic (TTL) signal acquisition method based on phase shift AND operation |
| CN203133661U (en) * | 2013-01-08 | 2013-08-14 | 中国工程物理研究院激光聚变研究中心 | Open-type precise timing sequence generating system |
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