CN108919870A - A method of SPM negative high voltage bias is adjusted by conventional die device in real time - Google Patents
A method of SPM negative high voltage bias is adjusted by conventional die device in real time Download PDFInfo
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- CN108919870A CN108919870A CN201811091929.4A CN201811091929A CN108919870A CN 108919870 A CN108919870 A CN 108919870A CN 201811091929 A CN201811091929 A CN 201811091929A CN 108919870 A CN108919870 A CN 108919870A
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- spm
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a kind of methods of reverse biased for utilizing feedback that can adjust in real time on APD and corresponding SiPM, the reverse biased on APD and corresponding SiPM can be adjusted in real time using feedback, the negative high pressure bias of SPM is adjusted in real time carrys out the influence of compensation correction temperature or dark current to SPM performance, it realizes with the voltage devices of conventional positive value and adjusts negative high pressure bias, it is able to achieve remote control and regulation, avoid influence of the device heat to SPM stability, the area SPM space is not accounted for, avoid DAC stability and the limited problem of negative high voltage adjustable range, for realizing this method electronic device because work in positive low-voltage region, so may be located remotely from the influence of APD and corresponding SiPM without generating heat；This method than directly using DAC precision high, stablize by performance simultaneously.
Description
Technical field
The present invention relates to information electronic technology fields, are more particularly to one kind by conventional die device and adjust SPM in real time
The method of negative high voltage bias.
Background technique
The converter of photon to electronics can be realized that this phenomenon produces currently used APD by snowslide phenomenon（Snowslide
Photodiode）With corresponding SiPM（Silicon photomultiplier）, when the reverse biased on APD and corresponding SiPM is hit higher than it
When wearing voltage, incident photon can generate avalanche effect, so that signal code is generated, showing on this APD and corresponding SiPM
As the temperature with them, bias has close relation, meanwhile, such semiconductor diode itself can also generate dark noise electric current
（dark noise current）, and it is related with temperature, meanwhile, signal code also with it is anti-on APD and corresponding SiPM
There is close relation to bias,
So can be compensated by adjusting reverse biased come the variation of signal code caused by the variation to temperature, adjust at present
The method of reverse biased can not real-time implementation, and directly circuit can be caused direct because of the high pressure being negative using high pressure DAC
It realizes, while the heat of electronic device generation easily influences the stability of APD and corresponding SiPM.
Summary of the invention
In view of the deficiencies of the prior art, APD and corresponding can be adjusted in real time using feedback the present invention provides a kind of
The method of reverse biased on SiPM.
To achieve the above object, the present invention provides following technical solutions：One kind is adjusted in real time by conventional die device
The method of SPM negative high voltage bias, includes the following steps：
（1）Demarcate the input/output relation that circuit loop occurs for adjustable high-voltage power supply；
（2）Demarcate the target value of temperature or dark current；
（3）Predetermined time reading temperature or dark current value are set；
（4）Programmable electronic device compares judgement according to temperature or dark current value of the target value demarcated in advance to reading,
If temperature or dark current value wait return step after a predetermined time segment not higher than target value（3）Read again temperature or dark
Current value；
（5）Temperature or dark current value are excessively high, and programmable electronic device sends commands to DAC to adjust the output valve of DAC；
（6）High-voltage power supply occurs circuit and generates High voltage output negative accordingly according to the output valve of DAC, realizes high pressure bias adjustment.
Further, adjusting unit includes temperature or dark current reading circuit；Programmable electronic device, can be to temperature or dark
Electric current is read and is detected；DAC receives the instruction that programmable electronic device issues and adjusts its output valve；Electricity occurs for high-voltage power supply
Road generates high pressure bias adjustment negative accordingly.
Further, temperature or dark current signals are spread out of circuit and shape to distant place by the temperature or dark current reading circuit
The signal format that can be read at programmable electronic device.
Further, the high pressure that the DAC output valve keeps the high-voltage power supply generation circuit generation negative accordingly by amplifier is inclined
Pressure adjustment.
Advantage for present invention is：The present invention can be adjusted anti-on APD and corresponding SiPM in real time using feedback
To bias, the negative high pressure bias of SPM is adjusted in real time and carrys out the influence of compensation correction temperature or dark current to SPM performance, realizes and uses
The voltage devices of conventional positive value adjust negative high pressure bias, are able to achieve remote control and regulation, avoid device heat to SPM stability
Influence, do not account for the area SPM space, DAC stability and the limited problem of negative high voltage adjustable range avoided, for realizing the party
The electronic device of method is because work in positive low-voltage region, it is possible to far from APD and corresponding SiPM without generating heat
It influences；This method than directly using DAC precision high, stablize by performance simultaneously.
Detailed description of the invention
Fig. 1 is implementation figure of the invention；
Fig. 2 is that the present invention adjusts the flow chart for compensating correction in real time.
Specific embodiment
It can be adjusted in real time referring to figs. 1 to Fig. 2 utilization feedback a kind of to the present invention reversed inclined on APD and corresponding SiPM
The specific embodiment of the method for pressure is further described.
A method of SPM negative high voltage bias being adjusted by conventional die device in real time, characterized in that including following step
Suddenly：
（1）Demarcate the input/output relation that circuit loop occurs for adjustable high-voltage power supply；
（2）Demarcate the target value of temperature or dark current；
（3）Predetermined time reading temperature or dark current value are set；
（4）Programmable electronic device compares judgement according to temperature or dark current value of the target value demarcated in advance to reading,
If temperature or dark current value wait return step after a predetermined time segment not higher than target value（3）Read again temperature or dark
Current value；；
（5）Temperature or dark current value are excessively high, and programmable electronic device sends commands to DAC to adjust the output valve of DAC;
（6）High-voltage power supply occurs circuit and generates High voltage output negative accordingly according to the output valve of DAC, realizes high pressure bias adjustment.
The temperature or dark current inductor of extremely microminiaturization together with APD and corresponding SiPM, by temperature or dark electricity
Stream signal spreads out of the circuit to distant place and forms the signal format that programmable electronic device can be read in, and programmable electronic device can
To read in the signal by integral way, and judged according to the result of calibration.
Programmable electronic device is adjusted DAC output valve according to the result of judgement, and DAC output valve can make height by amplifier
Potential source occurs circuit and generates high pressure bias adjustment negative accordingly, due to the Bias characteristics of APD and corresponding SiPM itself,
So that their signal output is adjusted to target value accordingly, such feedback procedure due to being entirely that real not time circuit is completed, because
And the response of system can be made most to optimize fastly.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of method for adjusting SPM negative high voltage bias in real time by conventional die device, characterized in that include the following steps：
（1）Demarcate the input/output relation that circuit loop occurs for adjustable high-voltage power supply；
（2）Demarcate the target value of temperature or dark current；
（3）Predetermined time reading temperature or dark current value are set；
（4）Programmable electronic device compares judgement according to temperature or dark current value of the target value demarcated in advance to reading；
（5）Temperature or dark current value are excessively high, and programmable electronic device sends commands to DAC to adjust the output valve of DAC；
（6）High-voltage power supply occurs circuit and generates High voltage output negative accordingly according to the output valve of DAC, realizes high pressure bias adjustment.
2. a kind of method for adjusting SPM negative high voltage bias in real time by conventional die device according to claim 1, feature
It is：Adjusting unit includes temperature or dark current reading circuit；Programmable electronic device can read temperature or dark current
And detection；DAC receives the instruction that programmable electronic device issues and adjusts its output valve；Circuit occurs for high-voltage power supply, generates corresponding
Negative high pressure bias adjustment.
3. a kind of method for adjusting SPM negative high voltage bias in real time by conventional die device according to claim 2, feature
It is：Temperature or dark current signals are spread out of the circuit to distant place and form programmable electronic by the temperature or dark current reading circuit
The signal format that device can be read in.
4. according to a kind of method for adjusting SPM negative high voltage bias in real time by conventional die device described in claim 2：Its feature
It is：The DAC output valve makes the high-voltage power supply that circuit generation high pressure bias adjustment negative accordingly occur by amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091929.4A CN108919870A (en) | 2018-09-19 | 2018-09-19 | A method of SPM negative high voltage bias is adjusted by conventional die device in real time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811091929.4A CN108919870A (en) | 2018-09-19 | 2018-09-19 | A method of SPM negative high voltage bias is adjusted by conventional die device in real time |
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| CN108919870A true CN108919870A (en) | 2018-11-30 |
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| CN201811091929.4A Pending CN108919870A (en) | 2018-09-19 | 2018-09-19 | A method of SPM negative high voltage bias is adjusted by conventional die device in real time |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989753A (en) * | 2019-11-25 | 2020-04-10 | 中国辐射防护研究院 | Adjustable high-resolution power output module suitable for SiPM |
Citations (6)
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|---|---|---|---|---|
| CN104199502A (en) * | 2014-09-03 | 2014-12-10 | 重庆航伟光电科技有限公司 | Bias voltage method of Si-APD |
| CN105045326A (en) * | 2015-06-26 | 2015-11-11 | 东莞光智通讯科技有限公司 | Method and device for remaining high voltage of APD (Avalanche Photo Diode) unchanged in case of biasing of power supply voltage |
| CN106033225A (en) * | 2015-03-16 | 2016-10-19 | 苏州旭创科技有限公司 | Low-power consumption APD bias controller, bias control method, and photoelectric receiver |
| CN107342741A (en) * | 2016-04-29 | 2017-11-10 | 苏州旭创科技有限公司 | APD bias control circuits, opto-electronic receiver circuit and bias control method |
| CN108333592A (en) * | 2018-01-25 | 2018-07-27 | 北京空间机电研究所 | Spaceborne laser range finder detection and feedback method based on digital constant false alarm and system |
| CN108551360A (en) * | 2018-04-17 | 2018-09-18 | 青岛海信宽带多媒体技术有限公司 | Light module test method, system, circuit and optical module |
-
2018
- 2018-09-19 CN CN201811091929.4A patent/CN108919870A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199502A (en) * | 2014-09-03 | 2014-12-10 | 重庆航伟光电科技有限公司 | Bias voltage method of Si-APD |
| CN106033225A (en) * | 2015-03-16 | 2016-10-19 | 苏州旭创科技有限公司 | Low-power consumption APD bias controller, bias control method, and photoelectric receiver |
| CN105045326A (en) * | 2015-06-26 | 2015-11-11 | 东莞光智通讯科技有限公司 | Method and device for remaining high voltage of APD (Avalanche Photo Diode) unchanged in case of biasing of power supply voltage |
| CN107342741A (en) * | 2016-04-29 | 2017-11-10 | 苏州旭创科技有限公司 | APD bias control circuits, opto-electronic receiver circuit and bias control method |
| CN108333592A (en) * | 2018-01-25 | 2018-07-27 | 北京空间机电研究所 | Spaceborne laser range finder detection and feedback method based on digital constant false alarm and system |
| CN108551360A (en) * | 2018-04-17 | 2018-09-18 | 青岛海信宽带多媒体技术有限公司 | Light module test method, system, circuit and optical module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989753A (en) * | 2019-11-25 | 2020-04-10 | 中国辐射防护研究院 | Adjustable high-resolution power output module suitable for SiPM |
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Application publication date: 20181130 |