CN106301363A - Multiple different source frequency outut device - Google Patents
Multiple different source frequency outut device Download PDFInfo
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- CN106301363A CN106301363A CN201610596267.0A CN201610596267A CN106301363A CN 106301363 A CN106301363 A CN 106301363A CN 201610596267 A CN201610596267 A CN 201610596267A CN 106301363 A CN106301363 A CN 106301363A
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- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 60
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000003321 amplification Effects 0.000 claims abstract description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000032683 aging Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
One kind of multiple different source frequency outut devices disclosed by the invention, it is desirable to provide a kind of switch frequency source equipment fast, that reliability is high, accuracy is high, length degree of stability is good.The technical scheme is that: the satellite second signal of two-way not homology standard-frequency signal after lock cell generation two-way is phase-locked, and be respectively outputted to standard-frequency signal amplify output unit A and amplify output unit B；Wherein a road is given and is connected in parallel on three and selects two to open and rubidium clock calibrating frequency between the first analog phase-locked look PLL_A, rubidium clock clean up unit produces a road standard-frequency signal, and be sent to amplify output unit c by rubidium clock clean up unit, its own signal is locked on the signal with rubidium clock frequency signal as reference by two clean up agitators in parallel, it is transferred to the output signal of rubidium clock clean up unit amplify the amplification output unit C in output unit, is achieved in exporting the standard-frequency signal of three tunnels not homology.
Description
Technical field
The present invention relates to a kind of frequency source, more specifically the present invention relates to a kind of high performance frequency life receiving satellite-signal
Forming apparatus.
Background technology
Traditional frequency marking equipment is to produce required multiple standards frequency signal by atomic clock, owing to it must connect
External reference signal, causes fixedly mounting, thus defines its scope of application；And atomic clock cost is high, volume is big, by ring
Border impact is big, and reliability is low；Additionally must carry out calibrating frequency by external second signal, therefore its structure is complicated, and function singleness, the scope of application has
Limit；Atomic clock short-term stability is poor, needs surely for a long time to can be only achieved preferably index, actually used in quite inconvenience.If only adopting
With the little crystal oscillator of volume, although short-term stability is good, but long-term stability is poor, the most aging, and accuracy is low.Award according to satellite
Time, although convenient, but when satellite-signal is bad, whole equipment is by paralyzed state, therefore its poor reliability.
Summary of the invention
The weak point that the purpose of the present invention exists for prior art, it is provided that a kind of switching is fast, reliability is high, accuracy
Height, length degree of stability are good, the frequency source equipment of superior performance.
The technical solution adopted for the present invention to solve the technical problems is, one kind of multiple different source frequency outut devices, bag
Include: matrix unit, lock cell and amplification output unit, it is characterised in that: matrix unit is defended the two-way selected not homology
Star second signal is transferred to lock cell, the satellite second signal simulation that two work alone in the lock cell lock of two-way not homology
Standard-frequency signal after Xiang Huan, crystal oscillator and allotter generation two-way are phase-locked, and by two-way standard frequency after phase-locked
Signal is respectively outputted to amplify output unit A and amplify output unit B；In the satellite second signal of above-mentioned two-way not homology, its
In a road be also used for selecting two to open and rubidium clock between the first analog phase-locked look PLL_A removes calibrating frequency, rubidium clock clean to being connected in parallel on three
Up unit also can produce a road standard-frequency signal, and this standard-frequency signal is by containing two single-pole double-throw switch (SPDT) shunt circuits
The rubidium clock clean up unit constituted is sent to amplify output unit c, and rubidium clock clean up unit is by two lists of switching
Double-pole double throw switch selects a clean up oscillator operation, two clean up agitators in parallel all can realize self
The output signal of rubidium clock clean up unit, on the signal with rubidium clock frequency signal as reference, is transferred to amplify by semaphore lock
Amplification output unit C in output unit, is achieved in exporting the standard-frequency signal of three tunnels not homology.
The present invention has the advantages that compared to prior art.
Switching is fast.In the present invention three select the standard satellite second signal of the two-way not homology that matrix unit produces by two switches
Being transferred to lock cell and carry out frequency lock and switching, lock cell may utilize built-in single-pole double-throw switch (SPDT) and is chosen as rubidium clock work
Clean up agitator, whole device frequency conversion speed fast (being smaller than 15ns), switch simple and fast.The present invention is all right
Electrically connected with matrix unit, lock cell, amplification output unit respectively by man-machine interaction unit, control the trend of various signal
With switch switching, in actual use can by programming by the way of, it is preferable to the installation in appearance at whole device can be touched
Touching display screen, real time inspection antenna receives satellite information, phase lock loop locks state and duty, signal processing and output shape
State.On screen, click on switch with finger, just may select corresponding service aisle, reach the purpose of switching.And the time that can increase shows
Show, show satellite time in real time.
Reliability is high.The whole device of the present invention has the feature of high reliability, such as, have two antennas, two receiver moulds
Block all damages in the case of causing and cannot working, and a road satellite-signal can be selected by the way of switch switches to work on；
When satellite-signal is very poor, in the case of three antennas and three receiver chips all damage, it is also possible to built-in by lock cell
Tame Rubidium Clock clean up unit work on, do not interfere with the normal work of whole device, and the accuracy of signal be reliable
Property make an uproar mutually the indexs such as length is steady, thus substantially prolongs the service life of frequency source equipment, decrease the maintenance of frequency source equipment
Number of times.
Accuracy is high, length degree of stability is good.The present invention have employed the most originally can receive simultaneously second signal and
The phaselocked loop of frequency signal, by the phase contrast of both contrasts, is locked in crystal oscillator on satellite second signal, has had satellite-signal concurrently
The fabulous advantage of high and clean up agitator the short-term stability of time accuracy, overcome that crystal oscillator ageing rate is high, satellite
The shortcoming that signal is easily disturbed.Amplifying output unit divides three kinds of frequency signals of self-locking unit in the future to carry out signal shaping, put
Greatly, buffering, after branch, the standard-frequency signal of the not homology of output several functions, stable and reliable in work, output signal spectrum is pure
Spend high.When satellite-signal is shaken, rubidium clock clean up unit can play its advantage that length degree of stability is good, accuracy is high.
By satellite-signal, rubidium clock clean up unit, the advantage of a few person of phase-locked loop pll are combined, it is achieved that high performance letter
Number output.
Check whether satellite antenna is interfered.Owing to satellite-signal and antenna are highly susceptible to interference in various degree,
The present invention is by receiving three kinds of different satellite-signals, and it is phase-locked defeated to utilize switch to select wherein two-way satellite-signal to carry out
Go out.The signal produced by contrast two paths of signals and rubidium clock phase locking unit, just can be carried out satellite-signal comparison, know whether that certain is defended
Star signal is shaken, and quickly determines if to be interfered, and it is appropriate whether antenna disposes.Can be by receiving multiple satellite-signal
The output of multiple high quality standards frequency signal is realized through built-in ultra-small volume rubidium clock phase locking unit, phaselocked loop etc..It has cuts
Change the advantages such as fast, reliability height, accuracy height, good, the superior performance of length degree of stability.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated；Should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.In order to technical solutions according to the invention are described, illustrate below by embodiment.
Fig. 1 is the circuit theory schematic diagram of the multiple different source frequency outut devices of the present invention.
Detailed description of the invention
Refering to Fig. 1.In a most preferred embodiment described below, one kind of multiple different source frequency outut devices can be led to
Cross and receive multiple satellite-signal built-in BM2102 06 type ultra-small volume rubidium clock phase locking unit, phaselocked loop, clean up vibration
Device realizes the output of multiple high quality standards frequency signal.Described multiple different source frequency outut devices specifically include that matrix list
Unit, lock cell and amplification output unit.Wherein, each satellite-signal received through antenna is input to amplifier, matrix
Unit input common-battery connects three amplifiers, and it is 3 × 3 signal switching matrix that each amplifier all electrically connects matrix, 3 × 3 letters
Number switching matrix outfan three DVB modules of electrical connection, each DVB module outfan electrical connection three selects two
Switch input terminal, three select two output switching terminal output two-way satellite second signals to lock cell.Preferably receiver module can be by
Receiver chip realizes.
Matrix unit uses multiple three-in-one antennas and signal amplifier, and 3 × 3 signal switching matrix in sequential series, many
Planting receiver module and three selects two switches to switch the satellite-signal received.Various receiver module is by being connected on 3 × 3 respectively
Signal switching matrix and three selects the GPS between two switches, BD receiver and GLONASS receiver composition.Matrix unit
The satellite second signal of the two-way not homology produced, three select two switches to select different the defending of the two-way after various receiver module
Star second signal is transferred to lock cell and carries out frequency lock, satellite second signal two independence in lock cell of two-way not homology
Standard-frequency signal after the analog phase-locked look of work, crystal oscillator and allotter generation two-way are phase-locked, and two-way is phase-locked
After standard-frequency signal be respectively outputted to amplify output unit A and amplify output unit B；Lock cell is also with and rubidium clock
The single-pole double-throw switch (SPDT) of series connection, selects a wherein road clean up agitator to carry out the phase-locked output of rubidium clock.It is connected in parallel on three and selects two
Rubidium clock clean up unit between switch and the first analog phase-locked look PLL_A uses the side of clean up agitator 1:1 backup
Formula produces standard-frequency signal.In the satellite second signal of above-mentioned two-way not homology, wherein a road is also used for being connected in parallel on three choosings
Two drive the rubidium clock between the first analog phase-locked look PLL_A goes calibrating frequency, rubidium clock clean up unit also can produce a road sign quasi-frequency
Rate signal, this standard-frequency signal is passed by the rubidium clock clean up unit constituted containing two single-pole double-throw switch (SPDT) shunt circuits
Delivering to amplify output unit c, rubidium clock clean up unit can select a clean by two single-pole double-throw switch (SPDT)s of switching
Up oscillator operation, two clean up agitators in parallel all can realize being locked in its own signal with rubidium clock frequency signal be
On the signal of reference, the output signal of rubidium clock clean up unit is transferred to amplify the amplification output unit C in output unit, by
This realizes the standard-frequency signal of output three tunnels not homology.
Amplify output unit respectively by the standard frequency from three kinds of above-mentioned lock cell and rubidium clock phase locking unit not homologies
After rate signal carries out signal shaping, amplification, branch, coding, the standard-frequency signal of the not homology of output several functions.Amplify defeated
Go out that unit can carry out shaping amplification by amplifier, power splitter carries out branch, FPGA divides, coding etc., come locking single
Three kinds of standard-frequency signals of unit's output carry out signal shaping, amplification, branch, coding, the not homology of frequency dividing output several functions
Standard-frequency signal.
Lock cell includes two phase locked-loop unit and a rubidium clock clean up unit, and phase locked-loop unit includes sequentially going here and there
Two-way analog phase-locked look PLL_A, crystal oscillator and the signal distributor of connection, wherein, signal distributor A.Rubidium clock clean up
Unit according to receive three select two switches to satellite second signal rubidium clock carried out calibrating frequency and tames, the rubidium clock after taming produces
Standard-frequency signal can select which clean up oscillator operation, a road first by the first single-pole double-throw switch (SPDT)
Clean up agitator sends into the second single-pole double-throw switch (SPDT), and it is double that the 2nd clean up agitator of separately leading up to sends into the second hilted broadsword
Throw switch, two paths of signals all is sent to amplify output unit C by the second single-pole double-throw switch (SPDT).
Rubidium clock clean up unit includes that being connected in parallel on three selects the rubidium clock between two switches and analog phase-locked look PLL_A and connect
At described rubidium clock the first single-pole double-throw switch (SPDT), and by the first single-pole double-throw switch (SPDT), be connected in parallel on the first single-pole double-throw switch (SPDT) with
The shunt circuit that two clean up agitators between second single-pole double-throw switch (SPDT) are formed.
Rubidium clock phase locking unit can receive the two-way not homology satellite second signal from matrix unit.First via satellite second signal
It is transferred to amplify output unit by the first phase locked-loop unit phase-locked loop pll _ A and crystal oscillator in sequential series and signal distributor A
In amplification output unit A, the second road satellite second signal is by the second phase locked-loop unit analog phase-locked look PLL_B and in sequential series
Crystal oscillator and signal distributor B be transferred to amplify the amplification output unit B in output unit.Rubidium clock clean up unit can receive
Any road satellite second signal carries out calibrating frequency, rubidium clock clean up unit can according to receive three select two switches to the satellite second letter
Rubidium clock number carrying out calibrating frequency and tames, the standard-frequency signal that the rubidium clock after taming produces can be selected by the first single-pole double-throw switch (SPDT)
Selecting which clean up oscillator operation, road an oneth clean up agitator sends into the second single-pole double-throw switch (SPDT), another
The second single-pole double-throw switch (SPDT) is sent into by the 2nd clean up agitator in road, and two paths of signals is all passed by the second single-pole double-throw switch (SPDT)
Deliver to amplify output unit C.
When satellite-signal is good, amplifying output unit A and amplify the better performances of output unit B, rubidium clock phase locking unit is
The signal of output is by amplifying output unit C as backup eventually.
When satellite-signal is bad, amplifying output unit A and amplify the poor-performing of output unit B, satellite-signal one is jumped,
In phase locking unit with the phaselocked loop amplified within output unit A and the amplification phase locking unit that electrically connects of output unit B will losing lock,
Relocking, now rubidium clock is without external second signal, the final signal that rubidium clock clean up unit produces, and i.e. amplifies output single
The degree of stability reliability of the unit C index such as make an uproar mutually is much better than amplification output unit A and amplifies output unit B, and switching is exceedingly fast, to rear
Continuous circuit impact can be ignored completely.Therefore this device is applied widely, can move the countryside that environment is the most severe, it is possible to put
In indoor, meet the defect of current varying environment different designs.
Claims (10)
1. one kind of multiple different source frequency outut devices, including: matrix unit, lock cell and amplification output unit, its feature
It is: the satellite second signal of the two-way selected not homology is transferred to lock cell by matrix unit, the satellite second of two-way not homology
Signal mark after in lock cell two analog phase-locked looks worked alone, crystal oscillator and allotter generation two-way is phase-locked
Quasi-frequency signal, and be respectively outputted to two-way standard-frequency signal after phase-locked amplify output unit A and amplify output unit
B；In the satellite second signal of above-mentioned two-way not homology, wherein a road is connected in parallel on three and selects two to open and the first analog phase-locked look PLL_
Rubidium clock calibrating frequency between A, is produced a road standard-frequency signal by rubidium clock clean up unit, and this standard-frequency signal is by containing
The rubidium clock clean up unit that two single-pole double-throw switch (SPDT) shunt circuits are constituted is sent to amplify output unit c, and rubidium clock
Clean up unit selects a clean up oscillator operation by two single-pole double-throw switch (SPDT)s of switching, and two in parallel
Its own signal is locked on the signal with rubidium clock frequency signal as reference by clean up agitator, by rubidium clock clean up unit
Output signal be transferred to amplify the amplification output unit C in output unit, be achieved in exporting the standard frequency of three tunnels not homology
Rate signal.
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: amplify output unit the most in the future
Signal shaping, amplification, branch, coding is carried out from the frequency signal of three kinds of above-mentioned lock cell and rubidium clock phase locking unit not homologies
After, the standard-frequency signal of the not homology of output several functions.
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: each through defending that antenna receives
Star signal is all input to amplifier, and signal switching matrix input three amplifiers of electrical connection, each amplifier all electrically connects square
Battle array is the signal switching matrix of 3 × 3,3 × 3 signal switching matrix outfan three DVB modules of electrical connection, Mei Gewei
Two switch input terminals are selected in star receiver module outfan electrical connection three, three select two output switching terminals output two-way satellite second signals to
Lock cell.
Multiple different source frequency outut devices the most as claimed in claim 3, it is characterised in that: matrix unit uses multiple three to close
One antenna and signal amplifier, and 3 × 3 signal switching matrix in sequential series, various receiver module and three select two switches to cut
The satellite-signal that changing-over receives.
Multiple different source frequency outut devices the most as claimed in claim 3, it is characterised in that: various receiver module is by respectively
Being connected on 3 × 3 signal switching matrix and three selects the GPS between two switches, BD receiver and GLONASS to receive unit
Become.
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: lock cell include two phase-locked
Ring element and a rubidium clock phase locking unit, phase locked-loop unit include analog phase-locked look PLL_A in sequential series, crystal oscillator and
Signal distributor, wherein, satellite second signals different for the two-way selecting two switches from three is passed through by two-way analog phase-locked look PLL_A
Crystal oscillator is with input signal allotter after frequency.
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: phase-locked loop pll _ A is by contrast
Satellite second signal and the difference on the frequency of the crystal oscillator of allotter feedback, control crystal oscillator vibration and produce and satellite second signal
Relevant standard-frequency signal；Being connected in parallel on three selects the rubidium clock clean up between two switches and the first analog phase-locked look PLL_A mono-
Unit uses the mode of clean up agitator 1:1 backup to produce standard-frequency signal.
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: rubidium clock phase locking unit includes parallel connection
Select the rubidium clock between two switches and analog phase-locked look PLL_A three and be connected on described rubidium clock the first single-pole double-throw switch (SPDT), and
By the first single-pole double-throw switch (SPDT), the rubidium clock clean being connected in parallel between the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT)
The shunt circuit that up unit is formed.
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: rubidium clock clean up unit includes
Two the clean up agitators in parallel being connected in parallel between the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT).
Multiple different source frequency outut devices the most as claimed in claim 1, it is characterised in that: rubidium clock phase locking unit is according to connecing
Three received select two switches to satellite second signal rubidium clock carried out calibrating frequency and tames, the rubidium clock after taming produces standard-frequency signal
Selecting a road to work by the first single-pole double-throw switch (SPDT), road an oneth clean up agitator is sent into the second single-pole double throw and is opened
Closing, the 2nd clean up agitator of separately leading up to sends into the second single-pole double-throw switch (SPDT), no matter selects which signal work, all
It is sent to amplify output unit C by the second single-pole double-throw switch (SPDT).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596267.0A CN106301363B (en) | 2016-07-26 | 2016-07-26 | A variety of difference source frequency output equipments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596267.0A CN106301363B (en) | 2016-07-26 | 2016-07-26 | A variety of difference source frequency output equipments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106301363A true CN106301363A (en) | 2017-01-04 |
| CN106301363B CN106301363B (en) | 2019-05-28 |
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ID=57652786
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610596267.0A Active CN106301363B (en) | 2016-07-26 | 2016-07-26 | A variety of difference source frequency output equipments |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494401A (en) * | 2018-03-08 | 2018-09-04 | 山东大学 | Radio observation array and clock synchronizing method |
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| US20050084047A1 (en) * | 2003-09-30 | 2005-04-21 | Seiko Epson Corporation | Clock signal correcting circuit and communicating apparatus |
| CN102147474A (en) * | 2010-12-21 | 2011-08-10 | 西安市双合软件技术有限公司 | Time frequency taming module based on global position system (GSP)/compass navigation satellite system (CNSS) |
| CN102339016A (en) * | 2011-05-09 | 2012-02-01 | 西安交通大学 | Backward diode/global positioning system (BD/GPS) dual-mode time service-based time synchronization device |
| CN104460312A (en) * | 2014-12-30 | 2015-03-25 | 四川九洲电器集团有限责任公司 | GPS and Big Dipper double-mode timing method and system |
-
2016
- 2016-07-26 CN CN201610596267.0A patent/CN106301363B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050084047A1 (en) * | 2003-09-30 | 2005-04-21 | Seiko Epson Corporation | Clock signal correcting circuit and communicating apparatus |
| CN102147474A (en) * | 2010-12-21 | 2011-08-10 | 西安市双合软件技术有限公司 | Time frequency taming module based on global position system (GSP)/compass navigation satellite system (CNSS) |
| CN102339016A (en) * | 2011-05-09 | 2012-02-01 | 西安交通大学 | Backward diode/global positioning system (BD/GPS) dual-mode time service-based time synchronization device |
| CN104460312A (en) * | 2014-12-30 | 2015-03-25 | 四川九洲电器集团有限责任公司 | GPS and Big Dipper double-mode timing method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494401A (en) * | 2018-03-08 | 2018-09-04 | 山东大学 | Radio observation array and clock synchronizing method |
| CN108494401B (en) * | 2018-03-08 | 2020-07-10 | 山东大学 | Radio observation array and clock synchronization method |
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| Publication number | Publication date |
|---|---|
| CN106301363B (en) | 2019-05-28 |
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