CN103076841B - Open accurate sequential generation systems - Google Patents
Open accurate sequential generation systems Download PDFInfo
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- CN103076841B CN103076841B CN201310004715.XA CN201310004715A CN103076841B CN 103076841 B CN103076841 B CN 103076841B CN 201310004715 A CN201310004715 A CN 201310004715A CN 103076841 B CN103076841 B CN 103076841B
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Abstract
The invention provides a kind of open accurate sequential generation systems, reference clock source, the menu controller of this sequential generation systems are connected with encoded clock generator respectively; Encoded clock generator is connected with power amplifier; Power amplifier is connected with splitter array; Psec synchrodyne array, nanosecond synchrodyne array be connected with splitter array respectively; Menu controller also starts electric light fan-out device array and is connected with microsecond; Microsecond starts electric light fan-out device array and is connected with millisecond synchronization machine array; Above unit all realizes being connected based on Ethernet with computer remote centralized control.System of the present invention adopts two kinds of precision data streams to produce single and the accurate clock signal of repetition frequency, and total system realizes connecting by light, simple to operate, can carry out cutting according to actual needs, realizes the generation of number road accurate clock signal to thousands of road.
Description
Technical field
The present invention relates to a kind of open accurate sequential generation systems, the work schedule that can be applicable to all kinds of solid-state laser apparatus, Medical Devices, high speed circuit test etc. controls.
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, system extension difficulty, the accurate clock signal limited amount (tens of road) provided, can not 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 according to actual needs.
Summary of the invention
The invention provides a kind of open accurate sequential generation systems, this sequential generation systems can carry out expanding or reducing according to actual needs, realizes the generation of number road accurate clock signal to tens thousand of road.
Open accurate sequential generation systems of the present invention, comprise reference clock source, encoded clock generator, menu controller, power amplifier, splitter array, microsecond start electric light fan-out device array, psec synchrodyne array, nanosecond synchrodyne array, millisecond synchronization machine array, long-distance centralized control computing machine.Reference clock source, menu controller are connected with encoded clock generator respectively; Encoded clock generator is connected with power amplifier; Power amplifier is connected with splitter array; Psec synchrodyne array, nanosecond synchrodyne array be connected with splitter array respectively; Menu controller and microsecond start electric light fan-out device array and are connected; Microsecond starts electric light fan-out device array and is connected with millisecond synchronization machine array; Above unit all realizes being connected in Ethernet with long-distance centralized control computer based.
Described sequential generation systems also comprises following content: adopt two kinds of precision data streams to produce all kinds of accurate clock signal, a kind of precision data stream adopts that clock and data recovery technique realize picosecond, the accurate clock signal of nanosecond occur needed for clock and the encoded light transmission of trigger pip; Another kind of precision data stream adopts the light pulse signal of different specific width to represent the enabling signal of different frequency of operation as the accurate clock signal generation of Microsecond grade; The time synchronized association of two kinds of precision data streams is realized by menu controller.
Described sequential generation systems also comprises following content: described system provides single and the accurate clock signal of repetition frequency to occur, under default condition, open accurate sequential generation systems exports the accurate clock signal of repetition frequency, encoded clock generator repeated encoding produces the precision data stream comprising picosecond, the accurate sequential enabling signal of nanosecond repetition frequency, and menu controller repeats according to the 1Hz signal that encoded clock generator (2) is sent here to produce the specific width pulse signal started for the accurate clock signal of repetition frequency Microsecond grade;
When needing single precision timing signal, comprise the following steps:
A) manually or computing machine control to start single precision timing signal and occur, menu controller receives a single enabling signal immediately;
B) menu controller is immediately according to the 1Hz signal that encoded clock generator is sent here, produce a single enable signal on the one hand and be transmitted back to encoded clock generator, the precision data stream once comprising the accurate sequential enabling signal of picosecond, nanosecond single and repetition frequency is produced by encoded clock generator coding, this data stream sends into power amplifier, thus starts the generation of the accurate clock signal of picosecond, nanosecond single and repetition frequency; Menu controller produces the Precision Pulse signal once with another specific 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 millisecond synchronization machine array, millisecond synchronization machine, by extracting the width of Precision Pulse signal, realizes the generation of single and the accurate clock signal of repetition frequency Microsecond grade simultaneously.
Open accurate sequential generation systems specific works mode of the present invention is as follows:
1) picosecond, the accurate clock signal of nanosecond adopt a reference clock source, this clock source is utilized to produce the precision data stream of clock and trigger pip as work clock coding, this data stream is propagated with the form of optical data stream by electro-optic conversion and optical splitter, realized the broadcast of clock and trigger pip by clock and data recovery technique, be distributed in the psec synchrodyne array of on-the-spot regional, nanosecond synchrodyne array utilize clock and date restoring 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 millisecond synchronization machine, the enabling signal that the startup of the accurate clock signal time delay of Microsecond grade adopts 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 the startup work of multiple stage millisecond synchronization machine time delay, to produce the accurate clock signal of multichannel Microsecond grade simultaneously.
3) generation of single and the accurate clock signal of repetition frequency, under default condition, open accurate sequential generation systems exports the accurate clock signal of repetition frequency, encoded clock generator repeated encoding produces the precision data stream comprising picosecond, the accurate sequential enabling signal of nanosecond repetition frequency, the 1Hz signal that menu controller is sent here according to encoded clock generator, repeats to produce the Precision Pulse signal with certain pulse width started for the accurate clock signal of repetition frequency Microsecond grade.When needing single precision timing signal, manually or long-distance centralized control computer starting single precision timing signal occur, make menu controller receive a single enabling signal; The 1Hz signal that menu controller is sent here according to encoded clock generator, produce a single enable signal on the one hand and be transmitted back to encoded clock generator, the precision data stream once comprising the accurate sequential enabling signal of picosecond, nanosecond single and repetition frequency is produced by encoded clock generator coding, this data stream is by power amplifier and light splitting becomes multiple-channel output, send to respectively psec synchrodyne array, nanosecond synchrodyne array, psec synchrodyne, nanosecond synchrodyne extract single and the accurate sequential enabling signal of repetition frequency by clock and date restoring; The 1Hz signal that menu controller is sent here according to encoded clock generator, the synchronous Precision Pulse signal producing once another kind of pulse width on the other hand, this Precision Pulse signal starts electric light fan-out device array fan-out by microsecond, send to millisecond synchronization machine array, millisecond synchronization machine, by extracting the width of Precision Pulse signal, realizes the generation of single and the accurate clock signal of repetition frequency Microsecond grade simultaneously.
Each component units of accurate sequential generation systems, carries out the remote control management by computer network, and the frequency of operation realizing accurate clock signal is selected, and time delay sets, and the setting of pulse width etc.
Whole accurate sequential generation systems arranges simply, psec synchrodyne, nanosecond synchrodyne, millisecond synchronization machine quantity can be configured according to use needs, 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.
Of the present invention be characterized by psec synchrodyne array, nanosecond synchrodyne array, millisecond synchronization machine array comprise psec synchrodyne, nanosecond synchrodyne, millisecond synchronization machine quantity can within the scope of hundreds any amount combination.
Accompanying drawing explanation
The block scheme of the open accurate sequential generation systems embodiment of Fig. 1.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.
See Fig. 1, open accurate sequential generation systems of the present invention comprises reference clock source 1, encoded clock generator 2, menu controller 7, power amplifier 3, splitter array 4, microsecond start electric light fan-out device array 8, psec synchrodyne array 5, nanosecond synchrodyne array 6, millisecond synchronization machine array 9, long-distance centralized control computing machine 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 splitter array 4; Psec synchrodyne array 5, nanosecond synchrodyne array 6 to be connected with splitter array 4 respectively; Menu controller 7 and microsecond start electric light fan-out device array 8 and are connected; Microsecond starts electric light fan-out device array 8 and is connected with millisecond synchronization machine array 9; Above unit all realizes being connected based on Ethernet with long-distance centralized control computing machine 10.
The reference clock that reference clock source 1 produces sends into encoded clock generator 2, in encoded clock generator 2 this reference clock through phase-locked and frequency inverted to the work clock of 155.52MHz as whole accurate sequential generation systems, again through the hybrid coding realizing clock and trigger pip alternately of coding module and menu controller 7, finally obtain the precision data stream of 155.52MHz, this data stream is with light pulse, put device 3 and splitter array 4 through luminous power, broadcast to the whole audience with the form of hundreds of roads light pulse.
Be distributed in the psec synchrodyne array 5 of on-the-spot regional, nanosecond synchrodyne array 6, using precision data stream as input signal, obtain clock signal and data-signal, relevant picosecond or nsec delay circuit through opto-electronic conversion, clock and data recovery, finally obtain multichannel picosecond, the accurate clock signal of nanosecond.
Under default condition, open accurate sequential generation systems exports the accurate clock signal of repetition frequency, encoded clock generator 2 repeated encoding produces the precision data stream comprising 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 specific width being used for the accurate clock signal of repetition frequency Microsecond grade and starting.
When needing single precision timing signal, manually triggering or long-distance centralized control computing machine 10 make menu controller 7 receive a single enabling signal, menu controller 7 is immediately according to the 1Hz signal that encoded clock generator 2 is sent here, produce enable picosecond by menu controller, menu signal that nanosecond single precision timing signal occurs be transmitted back to encoded clock generator 2 again, thus coding produce comprise clock, single and repetition frequency picosecond, precision data stream that the accurate clock signal of nanosecond starts.Menu controller 7 produces according to the 1Hz Signal coding that encoded clock generator 2 is sent here and has specific width Precision Pulse signal on the other hand, this Precision Pulse signal is simultaneously as single and the repetition enabling signal of the accurate clock signal generation of Microsecond grade, this Precision Pulse signal is sent into microsecond and is started electric light fan-out device array 8, with the form fan-out of hundreds of roads light pulse, send into the millisecond synchronization machine array 9 being distributed in on-the-spot regional, through opto-electronic conversion, single and repetition microsecond enabling signal are extracted, 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 long-distance centralized control computing machine 10, and the frequency of operation realizing accurate clock signal is selected, and time delay sets, and the setting of pulse width etc.
This system is characterized by the opening of system, total system realizes connecting by light, psec synchrodyne array 5, nanosecond synchrodyne array 6, millisecond synchronization machine array 9 comprise respectively psec synchrodyne, nanosecond synchrodyne, millisecond synchronization machine quantity can any amount combination within the scope of hundreds.
Claims (1)
1. an open accurate sequential generation systems, is characterized in that: described sequential generation systems comprises reference clock source (1), encoded clock generator (2), menu controller (7), power amplifier (3), splitter array (4), microsecond startup electric light fan-out device array (8), psec synchrodyne array (5), nanosecond synchrodyne array (6), millisecond synchronization machine array (9), long-distance centralized control computing machine (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 splitter array (4); Psec synchrodyne array (5), nanosecond synchrodyne array (6) are connected with splitter array (4) respectively; Menu controller (7) also starts electric light fan-out device array (8) and is connected with microsecond; Microsecond starts electric light fan-out device array (8) and is connected with millisecond synchronization machine array (9); Above unit all realizes being connected based on Ethernet with long-distance centralized control computing machine (10); Described sequential generation systems also comprises following content: adopt two kinds of precision data streams to produce all kinds of accurate clock signal, a kind of precision data stream adopts that clock and data recovery technique realize picosecond, the accurate clock signal of nanosecond occur needed for clock and the encoded light transmission of trigger pip; Another kind of precision data stream adopts the light pulse signal of different specific width to represent the enabling signal of different frequency of operation as the accurate clock signal generation of Microsecond grade; The time synchronized association of two kinds of precision data streams is realized by menu controller (7); Described sequential generation systems also comprises following content: described system provides single and the accurate clock signal of repetition frequency to occur, under default condition, open accurate sequential generation systems exports the accurate clock signal of repetition frequency, encoded clock generator (2) repeated encoding produces the precision data stream comprising picosecond, the accurate sequential enabling signal of nanosecond repetition frequency, and menu controller (7) repeats according to the 1Hz signal that encoded clock generator (2) is sent here to produce the specific width pulse signal started for the accurate clock signal of repetition frequency Microsecond grade;
When needing single precision timing signal, comprise the following steps:
A) manually or computing machine control to start single precision timing signal and occur, menu controller (7) receives a single enabling signal immediately;
B) menu controller (7) is immediately according to the 1Hz signal that encoded clock generator (2) is sent here, produce a single enable signal on the one hand and be transmitted back to encoded clock generator (2), the precision data stream once comprising the accurate sequential enabling signal of picosecond, nanosecond single and repetition frequency is produced by encoded clock generator (2) coding, this data stream sends into power amplifier (3), thus starts the generation of the accurate clock signal of picosecond, nanosecond single and repetition frequency; Menu controller (7) produces the Precision Pulse signal once with another specific 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 millisecond synchronization machine array (9), millisecond synchronization machine, by extracting the width of Precision Pulse signal, realizes the generation of single and the accurate clock signal of repetition frequency Microsecond grade simultaneously.
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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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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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