CN109639238A - A kind of method, apparatus, equipment and the storage medium of no source crystal oscillator driving regulation - Google Patents
A kind of method, apparatus, equipment and the storage medium of no source crystal oscillator driving regulation Download PDFInfo
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- CN109639238A CN109639238A CN201811518777.1A CN201811518777A CN109639238A CN 109639238 A CN109639238 A CN 109639238A CN 201811518777 A CN201811518777 A CN 201811518777A CN 109639238 A CN109639238 A CN 109639238A
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- crystal oscillator
- source crystal
- output frequency
- current output
- accuracy rating
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/06—Modifications of generator to ensure starting of oscillations
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
Abstract
The invention discloses method, apparatus, equipment and the computer readable storage mediums of a kind of no source crystal oscillator driving regulation, comprising: obtains the current output frequency without source crystal oscillator in server system；Judge whether the current output frequency of the no source crystal oscillator meets predeterminated frequency accuracy rating；If the current output frequency is unsatisfactory for the default accuracy rating, load capacitance and/or series resistance to the no source crystal oscillator carry out dynamic adjustment, until the updated output frequency got meets predeterminated frequency accuracy rating.Method, apparatus, equipment and computer readable storage medium provided by the present invention, pass through the series resistance and load capacitance progress dynamic adjustment to the no source crystal oscillator, output frequency to ensure the no source crystal oscillator improves the reliability of server machine system in the predeterminated frequency accuracy rating.
Description
Technical field
The present invention relates to server system technical fields, method, dress more particularly to a kind of no source crystal oscillator driving regulation
It sets, equipment and computer readable storage medium.
Background technique
With the development of storage and server system board calliper mould, all kinds of IC line modules are more used widely.Nothing
Source crystal oscillator provides clock guarantee for the normal operation of these IC modules.The load capacitance and series resistance of crystal oscillator periphery are that it is normal
The key of work.Normal board application in, the factors such as PCB material, operating temperature, aging all may cause load capacitance and
The variation of series resistance is easy to cause the clock of IC route to drift about, and causes the exception of part system function, and then influence whole
The reliability of machine system.
In summary as can be seen that how to ensure that the output frequency of no source crystal oscillator is maintained in the accuracy rating of system requirements
It is current problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of method, apparatus of no source crystal oscillator driving regulation, equipment and computer-readable
Storage medium, to solve in the prior art since load capacitance and series resistance cause the clock of IC route to deviate extremely,
The problem of influencing system reliability.
In order to solve the above technical problems, the present invention provides a kind of method of no source crystal oscillator driving regulation, comprising: obtain service
Current output frequency without source crystal oscillator in device system；Judge whether the current output frequency of the no source crystal oscillator meets predeterminated frequency
Accuracy rating；If the current output frequency is unsatisfactory for the default accuracy rating, to the load capacitance of the no source crystal oscillator
And/or series resistance carries out dynamic adjustment, until the updated output frequency got meets predeterminated frequency accuracy rating.
Preferably, whether the output frequency for judging the no source crystal oscillator meets predeterminated frequency accuracy rating and includes:
Calculate the current output frequency of the no source crystal oscillator and the ratio of default output frequency；
Judge the ratio whether in the predeterminated frequency accuracy rating；
If it is described default that the ratio in the predeterminated frequency accuracy rating, determines that the current output frequency meets
Accuracy rating；
If it is described that the ratio not in the predeterminated frequency accuracy rating, determines that the current output frequency is unsatisfactory for
Default accuracy rating.
Preferably, if the current output frequency is unsatisfactory for the default accuracy rating, to the no source crystal oscillator
Load capacitance and/or series resistance carry out dynamic adjustment, until the updated output frequency that gets meets predeterminated frequency
Accuracy rating includes:
When the current output frequency is unsatisfactory for the default accuracy rating, the adjusting of the current output frequency is judged
Trend；
If the adjusting trend of the current output frequency is that when adjusting to augment direction, the current output frequency is corresponded to
Series resistance t+1 grades of corresponding resistance values are increased to by the corresponding resistance value of present level t；
The corresponding load capacitance of the current output frequency is decreased to f-1 grades of correspondences by the corresponding resistance value of present level f
Capacitance after, obtain and judge whether the updated output frequency of no source crystal oscillator meets the predeterminated frequency accuracy rating；
If the updated output frequency meets the predeterminated frequency accuracy rating, completes to drive without source crystal oscillator and adjust behaviour
Make；
Wherein, the adjustable rate range of the series resistance is 1 to N grade, the load capacitance adjustable levels range
It is 1 most M grades, 1≤t < t+1≤N, 1≤f-1 < f≤M.
Preferably, in the acquisition server system before the current output frequency without source crystal oscillator further include:
The operating ambient temperature of the no source crystal oscillator is acquired using temperature detection module；
According to the operating ambient temperature, heat dissipation is oriented to the no source crystal oscillator using radiating module, to make institute
The load capacitance and series resistance for stating no source crystal oscillator work within the scope of default admissible temperature.
Preferably, described heat dissipation is oriented to the no source crystal oscillator to include: using radiating module
If can not be regulated and controled to the operating ambient temperature of the no source crystal oscillator by the radiating module, built in generation
Capacitance -- temperature curve and resistance value -- temperature curve；
-- the temperature curve and the resistance value -- temperature curve according to the built-in capacitance, to the load electricity of the no source crystal oscillator
Hold and series resistance is replaced.
Preferably, in the acquisition server system before the current output frequency without source crystal oscillator further include:
The server system working time is recorded, built-in capacitance-duration curve and resistance value-duration curve are drawn；
According to the built-in capacitance-duration curve and the resistance value-duration curve, by the load electricity of the no source crystal oscillator
Hold and is replaced with the redundancy device in series resistance.
The present invention also provides a kind of devices of no source crystal oscillator driving regulation, comprising:
Module is obtained, for obtaining the current output frequency in server system without source crystal oscillator；
Judgment module, for judging whether the current output frequency of the no source crystal oscillator meets predeterminated frequency accuracy rating；
Module is adjusted, if being unsatisfactory for the default accuracy rating for the current output frequency, to the passive crystalline substance
The load capacitance and/or series resistance of vibration carry out dynamic adjustment, until the updated output frequency got meets default frequency
Rate accuracy rating.
Preferably, the judgment module is specifically used for:
Calculate the current output frequency of the no source crystal oscillator and the ratio of default output frequency；
Judge the ratio whether in the predeterminated frequency accuracy rating；
If it is described default that the ratio in the predeterminated frequency accuracy rating, determines that the current output frequency meets
Accuracy rating；
If it is described that the ratio not in the predeterminated frequency accuracy rating, determines that the current output frequency is unsatisfactory for
Default accuracy rating.
The present invention also provides a kind of equipment of no source crystal oscillator driving regulation, comprising:
Memory, for storing computer program；Processor realizes above-mentioned one kind when for executing the computer program
The step of method of no source crystal oscillator driving regulation.
The present invention also provides a kind of computer readable storage medium, meter is stored on the computer readable storage medium
Calculation machine program, the computer program realize a kind of step of the method for above-mentioned no source crystal oscillator driving regulation when being executed by processor
Suddenly.
The method of no source crystal oscillator driving regulation provided by the present invention, obtains current output of the server system without source crystal oscillator
Frequency.Judge whether the current output frequency meets predeterminated frequency accuracy rating.If the current output frequency of the no source crystal oscillator
Rate is unsatisfactory for the predeterminated frequency accuracy rating, then illustrates that the clock of the IC route of the server system drifts about.Due to
The influence of load capacitance and series resistance to the no source crystal oscillator is big, therefore by the series resistance to the no source crystal oscillator and bears
It carries capacitor and carries out dynamic adjustment, the output frequency to ensure the no source crystal oscillator improves in the predeterminated frequency accuracy rating
The reliability of server machine system.
It is corresponding, a kind of device of no source crystal oscillator driving regulation provided by the present invention, equipment and computer-readable
Storage medium all has above-mentioned beneficial effect.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart of the first specific embodiment of the method for no source crystal oscillator driving regulation provided by the present invention；
Fig. 2 is the flow chart of second of specific embodiment of the method for no source crystal oscillator driving regulation provided by the present invention；
Fig. 3 is a kind of structural block diagram of the device of no source crystal oscillator driving regulation provided in an embodiment of the present invention；
Fig. 4 is a kind of structural block diagram of the equipment of no source crystal oscillator driving regulation provided in an embodiment of the present invention.
Specific embodiment
Core of the invention is to provide the method, apparatus of no source crystal oscillator driving regulation a kind of, equipment and computer-readable
Storage medium, by the series resistance and load capacitance progress dynamic adjustment to no source crystal oscillator, to ensure the output of no source crystal oscillator
Frequency improves the reliability of server machine system in predeterminated frequency accuracy rating.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the first specific embodiment of the method for no source crystal oscillator driving regulation provided by the present invention
Flow chart；Specific steps are as follows:
Step S101: the current output frequency without source crystal oscillator in server system is obtained；
It in the present embodiment, include that the signals such as frequency deviation, power supply are paid in by the output to the no source crystal oscillator.Pass through
Capacitance network and resistor network carry out the real-time amendment to output frequency and amplitude.
Step S102: judge whether the current output frequency of the no source crystal oscillator meets predeterminated frequency accuracy rating；
Calculate the current output frequency of the no source crystal oscillator and the ratio of default output frequency；Judge the ratio whether
In the predeterminated frequency accuracy rating；If the ratio in the predeterminated frequency accuracy rating, determines the current output
Frequency meets the default accuracy rating；If the ratio not in the predeterminated frequency accuracy rating, determines described current
Output frequency is unsatisfactory for the default accuracy rating.
Step S103: if the current output frequency is unsatisfactory for the default accuracy rating, to the no source crystal oscillator
Load capacitance and/or series resistance carry out dynamic adjustment, until the updated output frequency got meets predeterminated frequency essence
Spend range.
In this embodiment, when the passive crystal oscillator output frequency is unsatisfactory for the default accuracy rating, institute is first determined whether
It needs to enhance or reduce when stating current output frequency.Increase under the output frequency that the load capacitance can make the no source crystal oscillator
Drop, reducing load capacitance can be such that the output frequency of the no source crystal oscillator increases；Increasing series resistance can prevent crystal oscillator driving too strong
Overdriving causes overall output frequency to increase, and driving capability can be improved, improve the starting of oscillation without source crystal oscillator by reducing series resistance
Time.
The adjustable rate range of series resistance be 1 to N grade, the load capacitance adjustable levels range for 1 to
It is M grades.It is fine to the regulation of the output frequency by the more of the series resistance and load capacitance adjustable grade setting
It spends bigger.
With the current output frequency need increase for column, can the series resistance preferentially to the no source crystal oscillator adjust
Section records an output frequency when the one or more grades of the every increase of the series resistance.Judge that the series resistance is each not
With resistance value, whether corresponding output frequency meets predeterminated frequency precision；And whether obvious change between each output frequency.If
Only when the series resistance is adjusted, difference is small between the corresponding output frequency of each resistance value, and not in the predeterminated frequency
The output frequency of accuracy rating；Then explanation cannot obtain in the default accuracy rating to being adjusted to the series resistance
Output frequency.
It, can also be to the passive crystalline substance when not obtaining target output frequency also after being adjusted to the series resistance
The load capacitance of vibration is adjusted.It, can be by the load capacitance by current in order to increase the output frequency of the no source crystal oscillator
Capacitance is reduced to 1 grade of corresponding capacitance, and records the corresponding output frequency of each capacitance, corresponding to each capacitance
Output frequency is judged, judges whether to adjust the target output frequency for obtaining meeting predeterminated frequency accuracy rating.
If individually adjust the load capacitance or individually adjust series resistance all without adjusting to target output frequency when,
The load capacitance and series resistance can be adjusted simultaneously.Such as: the load capacitance reduces by 1 grade, the string
After joining resistance 1 grade of increase, calculates output frequency and judged.What the load capacitance and the series resistance were adjusted every time
Grade can not be identical.And if when current output frequency and more output frequency difference of user's requirement, adjust every time etc.
Series can not be a grade, can be multiple grades.
Based on the above embodiment, in the present embodiment, when can also be worked using the no source crystal oscillator operating temperature, complete machine
It is long that dynamic adjustment is carried out to the load capacitance and the series resistance.Referring to FIG. 2, Fig. 2 is provided by the present invention passive
The flow chart of second of specific embodiment of the method for crystal oscillator driving regulation；
Step S201: the operating ambient temperature without source crystal oscillator in temperature detection module acquisition server system is utilized；
Step S202: according to the operating ambient temperature, being oriented heat dissipation to the no source crystal oscillator using radiating module,
To make load capacitance and the series resistance of the no source crystal oscillator work within the scope of default admissible temperature；
Step S203: if can not be regulated and controled to the operating ambient temperature of the no source crystal oscillator by the radiating module,
Then generate built-in capacitance -- temperature curve and resistance value -- temperature curve；
Step S204: according to the built-in capacitance -- temperature curve and the resistance value -- temperature curve, to the passive crystalline substance
Temperature does not meet the load capacitance of default admissible temperature range in shaking and series resistance is replaced；
Step S205: recording the server system working time, draw built-in capacitance-duration curve and resistance value-when
Long curve；
Step S206: according to the built-in capacitance-duration curve and the resistance value-duration curve, by the passive crystalline substance
Redundancy device in the load capacitance and the series resistance of vibration is replaced；
Step S207: the current output frequency without source crystal oscillator in the server system is obtained；
Step S208: judge whether the current output frequency of the no source crystal oscillator meets predeterminated frequency accuracy rating；
Step S209: if the current output frequency is unsatisfactory for the default accuracy rating, to the no source crystal oscillator
Load capacitance and/or series resistance carry out dynamic adjustment, until the updated output frequency got meets predeterminated frequency essence
Spend range.
In the present embodiment, automatically according to the output frequency of the no source crystal oscillator feedback, without source crystal oscillator operating temperature, complete machine
Operating time etc. carries out dynamic adjustment to load capacitance and series resistance, guarantees that the output frequency of the no source crystal oscillator remains
In the accuracy rating of system requirements, and then improve the reliability of machine system.
Referring to FIG. 3, Fig. 3 is a kind of structural frames of the device of no source crystal oscillator driving regulation provided in an embodiment of the present invention
Figure；Specific device may include:
Module 100 is obtained, for obtaining the current output frequency in server system without source crystal oscillator；
Judgment module 200, for judging whether the current output frequency of the no source crystal oscillator meets predeterminated frequency precision model
It encloses；
Module 300 is adjusted, if the default accuracy rating is unsatisfactory for for the current output frequency, to described passive
The load capacitance and/or series resistance of crystal oscillator carry out dynamic adjustment, preset until the updated output frequency got meets
Frequency accuracy range.
The method that the device without source crystal oscillator driving regulation of the present embodiment regulates and controls for realizing no source crystal oscillator driving above-mentioned,
Therefore the visible method without source crystal oscillator driving regulation hereinbefore of the specific embodiment in device without source crystal oscillator driving regulation
Embodiment part, for example, obtain module 100, judgment module 200, adjust module 300, be respectively used to realize above-mentioned passive crystalline substance
Step S101, S102 and S103 in the method for vibration driving regulation, so, specific embodiment is referred to corresponding each portion
Divide the description of embodiment, details are not described herein.
The specific embodiment of the invention additionally provides a kind of equipment of no source crystal oscillator driving regulation, comprising: memory, for depositing
Store up computer program；Processor realizes a kind of side of above-mentioned no source crystal oscillator driving regulation when for executing the computer program
The step of method.
Referring to FIG. 4, Fig. 4 is a kind of structural frames of the equipment of no source crystal oscillator driving regulation provided in an embodiment of the present invention
Figure；Specific device may include:
Equipment without source crystal oscillator driving regulation provided by the present embodiment includes: no source crystal oscillator driving regulation module, capacitor
Network module, resistor network module, hardware switch.Processor of the no source crystal oscillator driving regulation module as this equipment, position
In on board, the programmable logic device such as CPLD, FPGA is mainly applied.The no source crystal oscillator driving regulation module passes through institute
Stating the output that hardware switch gating is carried out to prime number without source crystal oscillator includes that the signal qualities such as frequency deviation, voltage are monitored.Pass through electricity
Content network and resistor network carry out the real-time amendment to output frequency and amplitude.Increasing load capacitance can make under crystal oscillator frequency of oscillation
Drop, reducing load capacitance can be such that its frequency of oscillation increases；Increasing series resistance can prevent crystal oscillator from too strong overdrive being driven to lead
Overall output frequency is caused to increase, driving capability can be improved, improve the Induction Peried without source crystal oscillator by reducing series resistance.The capacitor
Network module is located on the board, is directly controlled, can be born to no source crystal oscillator by the no source crystal oscillator driving regulation module
It carries capacitor and carries out dynamic adjustment.The resistor network module is located on board, by the straight of the no source crystal oscillator driving regulation module
Control is connect, dynamic adjustment can be carried out to the series resistance of no source crystal oscillator.
It in the present embodiment, further include temperature detecting mould, radiating module.The temperature detection module is located at the board
On, it is directly controlled by the no source crystal oscillator driving regulation module, the real-time working temperature of no source crystal oscillator can be sent to it.It is described
Radiating module is located on the board, is directly controlled, can be radiated by fan etc. by the no source crystal oscillator driving regulation module
Approach carries out the movement of the heat dissipation to no source crystal oscillator.
The no source crystal oscillator driving regulation module can be acquired according to the temperature detection module without source crystal oscillator operating temperature,
Heat dissipation is oriented to the no source crystal oscillator by the radiating module, guarantees that capacitance network and resistor network all work and can hold
Perhaps in temperature range, if being unable to control the operating ambient temperature by the radiating module, the regulation module can be in
Set the replacement load capacitance such as capacitance-temperature curve, resistance value-temperature curve and series resistance.The no source crystal oscillator driving regulation mould
Block can also record the complete machine working time, carry out capacitor, resistance net according to built-in capacitance-duration curve, resistance value-duration curve etc.
The replacement of redundancy device in network.By this series of actions of the module, guarantee that the output frequency without source crystal oscillator remains at
In the accuracy rating of system requirements, and then improve the reliability of machine system.
In the present embodiment, the equipment can also include: indicating module, serial port module and wireless module.The instruction
Module is located on the board, is directly controlled by the serial port module, externally indicates current passive crystal oscillator driving regulation module
Real-time status.The serial port module signal can be converted into the wireless signals such as WIFI by the wireless module, and the external world does not have to entity
Serial Port Line can carry out information exchange with the no source crystal oscillator driving regulation module.The serial port module: can by serial port module
To carry out the unlatching of the extraneous information exchange and correlation function for driving regulation module with the no source crystal oscillator.
The specific embodiment of the invention additionally provides a kind of computer readable storage medium, the computer readable storage medium
On be stored with computer program, the computer program realizes a kind of above-mentioned no source crystal oscillator driving regulation when being executed by processor
The step of method.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
It to the method, apparatus of no source crystal oscillator driving regulation provided by the present invention, equipment and computer-readable deposits above
Storage media is described in detail.It is used herein that a specific example illustrates the principle and implementation of the invention,
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that for this technology
For the those of ordinary skill in field, without departing from the principle of the present invention, several improvement can also be carried out to the present invention
And modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of method of no source crystal oscillator driving regulation characterized by comprising
Obtain the current output frequency without source crystal oscillator in server system；
Judge whether the current output frequency of the no source crystal oscillator meets predeterminated frequency accuracy rating；
If the current output frequency is unsatisfactory for the default accuracy rating, load capacitance to the no source crystal oscillator and/or
Series resistance carries out dynamic adjustment, until the updated output frequency got meets predeterminated frequency accuracy rating.
2. the method as described in claim 1, which is characterized in that whether the output frequency for judging the no source crystal oscillator meets
Predeterminated frequency accuracy rating includes:
Calculate the current output frequency of the no source crystal oscillator and the ratio of default output frequency；
Judge the ratio whether in the predeterminated frequency accuracy rating；
If the ratio in the predeterminated frequency accuracy rating, determines that the current output frequency meets the default precision
Range；
If it is described default that the ratio not in the predeterminated frequency accuracy rating, determines that the current output frequency is unsatisfactory for
Accuracy rating.
3. the method as described in claim 1, which is characterized in that if the current output frequency is unsatisfactory for the default essence
Range is spent, then the load capacitance to the no source crystal oscillator and/or series resistance carry out dynamic adjustment, until after the update got
Output frequency meet predeterminated frequency accuracy rating and include:
When the current output frequency is unsatisfactory for the default accuracy rating, judge that the adjusting of the current output frequency becomes
Gesture；
If the adjusting trend of the current output frequency is when adjusting to augment direction, by the corresponding string of the current output frequency
Join resistance and t+1 grades of corresponding resistance values are increased to by the corresponding resistance value of present level t；
The corresponding load capacitance of the current output frequency is decreased to f-1 grades of corresponding appearances by the corresponding resistance value of present level f
After value, obtains and judge whether the updated output frequency of no source crystal oscillator meets the predeterminated frequency accuracy rating；
If the updated output frequency meets the predeterminated frequency accuracy rating, completes to drive without source crystal oscillator and adjust operation；
Wherein, the adjustable rate range of the series resistance be 1 to N grade, the load capacitance adjustable levels range for 1 to
It is M grades, 1≤t < t+1≤N, 1≤f-1 < f≤M.
4. the method as described in claim 1, which is characterized in that the current output without source crystal oscillator in the acquisition server system
Before frequency further include:
The operating ambient temperature of the no source crystal oscillator is acquired using temperature detection module；
According to the operating ambient temperature, heat dissipation is oriented to the no source crystal oscillator using radiating module, to make the nothing
The load capacitance and series resistance of source crystal oscillator work within the scope of default admissible temperature.
5. method as claimed in claim 4, which is characterized in that described to be oriented using radiating module to the no source crystal oscillator
Heat dissipation includes:
If can not regulate and control to the operating ambient temperature of the no source crystal oscillator by the radiating module, built-in hold is generated
It is worth -- temperature curve and resistance value -- temperature curve；
-- the temperature curve and the resistance value -- temperature curve according to the built-in capacitance, to the load capacitance of the no source crystal oscillator and
Series resistance is replaced.
6. such as method described in any one of claim 1 to 5, which is characterized in that without source crystal oscillator in the acquisition server system
Current output frequency before further include:
The server system working time is recorded, built-in capacitance-duration curve and resistance value-duration curve are drawn；
According to the built-in capacitance-duration curve and the resistance value-duration curve, by the load capacitance of the no source crystal oscillator and
Redundancy device in series resistance is replaced.
7. a kind of device of no source crystal oscillator driving regulation characterized by comprising
Module is obtained, for obtaining the current output frequency in server system without source crystal oscillator；
Judgment module, for judging whether the current output frequency of the no source crystal oscillator meets predeterminated frequency accuracy rating；
Module is adjusted, if being unsatisfactory for the default accuracy rating for the current output frequency, to the no source crystal oscillator
Load capacitance and/or series resistance carry out dynamic adjustment, until the updated output frequency got meets predeterminated frequency essence
Spend range.
8. device as claimed in claim 7, which is characterized in that the judgment module is specifically used for:
Calculate the current output frequency of the no source crystal oscillator and the ratio of default output frequency；
Judge the ratio whether in the predeterminated frequency accuracy rating；
If the ratio in the predeterminated frequency accuracy rating, determines that the current output frequency meets the default precision
Range；
If it is described default that the ratio not in the predeterminated frequency accuracy rating, determines that the current output frequency is unsatisfactory for
Accuracy rating.
9. a kind of equipment of no source crystal oscillator driving regulation characterized by comprising
Memory, for storing computer program；
Processor realizes a kind of no source crystal oscillator drive as described in any one of claim 1 to 6 when for executing the computer program
The step of method of dynamic regulation.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes a kind of no source crystal oscillator driving as described in any one of claim 1 to 6 when the computer program is executed by processor
The step of method of regulation.
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| CN201811518777.1A CN109639238B (en) | 2018-12-12 | 2018-12-12 | Passive crystal oscillator driving regulation and control method, device, equipment and storage medium |
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| CN112800714A (en) * | 2020-12-30 | 2021-05-14 | 科大讯飞股份有限公司 | Printed circuit board design method and related device |
| CN114020343A (en) * | 2021-12-27 | 2022-02-08 | 苏州浪潮智能科技有限公司 | Driving capability adjusting method, device and equipment and readable storage medium |
| CN114019342A (en) * | 2022-01-05 | 2022-02-08 | 深圳佑驾创新科技有限公司 | Passive crystal oscillator test circuit |
| CN114689964A (en) * | 2022-02-28 | 2022-07-01 | 惠州金百泽物联科技有限公司 | Circuit design, test and adjustment method for starting stability of crystal oscillator |
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| CN114019342A (en) * | 2022-01-05 | 2022-02-08 | 深圳佑驾创新科技有限公司 | Passive crystal oscillator test circuit |
| CN114019342B (en) * | 2022-01-05 | 2022-04-05 | 深圳佑驾创新科技有限公司 | Passive crystal oscillator test circuit |
| CN114689964A (en) * | 2022-02-28 | 2022-07-01 | 惠州金百泽物联科技有限公司 | Circuit design, test and adjustment method for starting stability of crystal oscillator |
| CN114689964B (en) * | 2022-02-28 | 2023-11-24 | 深圳市造物工场科技有限公司 | Crystal oscillator starting stability testing circuit, testing and adjusting method |
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