CN113824445A - DAC output self-adaptive calibration method under wide temperature environment - Google Patents
DAC output self-adaptive calibration method under wide temperature environment Download PDFInfo
- Publication number
- CN113824445A CN113824445A CN202111153673.7A CN202111153673A CN113824445A CN 113824445 A CN113824445 A CN 113824445A CN 202111153673 A CN202111153673 A CN 202111153673A CN 113824445 A CN113824445 A CN 113824445A
- Authority
- CN
- China
- Prior art keywords
- output
- dac
- voltage
- temperature
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 37
- 230000003044 adaptive effect Effects 0.000 claims abstract description 23
- 238000000605 extraction Methods 0.000 claims abstract description 9
- 230000001960 triggered effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
- H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Control Of Temperature (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention belongs to the technical field of DAC output voltage signal adaptive calibration in a wide-temperature environment, and particularly relates to a DAC output adaptive calibration method in a wide-temperature environment. The DAC output adaptive calibration method under the wide-temperature environment is implemented based on a DAC output adaptive calibration device under the wide-temperature environment, and the DAC output adaptive calibration device under the wide-temperature environment comprises the following steps: the voltage recovery system comprises a voltage output link, a voltage recovery link and a temperature compensation scheduling module; the invention detects the error between the output voltage value and the target voltage value by carrying out extraction measurement on the actual output voltage, and adjusts the output voltage by adjusting the DAC input value by using the value fine-tuning configuration module; meanwhile, the temperature of the current working environment is measured in real time by combining a temperature sensor, and when the temperature change exceeds a set threshold value, the temperature compensation is carried out on the output voltage value, so that the influence of the temperature change on the voltage output is counteracted.
Description
Technical Field
The invention belongs to the technical field of DAC output voltage signal adaptive calibration in a wide-temperature environment, and particularly relates to a DAC output adaptive calibration method in a wide-temperature environment.
Background
The analog circuit inevitably has performance change due to the characteristics of the device, and the performance change can directly affect the output quality of the analog signal and reduce the output precision of the analog signal. Therefore, how to effectively calibrate the output voltage of a DAC (digital-to-analog converter) under the condition of wide temperature variation is a key technology at present.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a set of feasible self-adaptive calibration method aiming at the DAC output voltage under the wide-temperature environment.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a DAC output adaptive calibration method under a wide temperature environment, where the DAC output adaptive calibration method under the wide temperature environment is implemented based on a DAC output adaptive calibration device under the wide temperature environment, and the DAC output adaptive calibration device under the wide temperature environment includes: the voltage recovery system comprises a voltage output link, a voltage recovery link and a temperature compensation scheduling module;
the DAC output self-adaptive calibration method under the wide-temperature environment comprises the following steps:
step 1: the voltage output link inquires a preset voltage configuration table according to the output voltage target value to obtain a corresponding DAC input configuration code value;
step 2: the temperature compensation scheduling module acquires the current working temperature, triggers a temperature compensation function if the temperature change exceeds a set temperature threshold, and performs temperature compensation on the DAC input configuration code value of the voltage output link by inquiring a preset output link temperature compensation table;
and step 3: inputting a configuration code value into the DAC after temperature compensation, inputting the configuration code value into the DAC, and outputting an actual voltage output value after conversion by the DAC;
and 4, step 4: the voltage recovery link recovers an actual voltage output value actually output by the current DAC;
and 5: the temperature compensation scheduling module acquires the current working temperature, triggers a temperature compensation function if the temperature change exceeds a set temperature threshold value, and performs temperature compensation on the actual voltage output value of the voltage recovery link by inquiring a preset recovery link temperature compensation table;
step 6: the voltage recovery link inquires a pre-configured voltage recovery table according to the actual voltage output value after temperature compensation to obtain a current voltage output value;
and 7: the voltage recovery link carries out error judgment according to the current voltage output value and the output voltage target value, and judges whether to carry out gain fine adjustment on the DAC input configuration code value or not;
and 8: if the gain fine adjustment is needed, the voltage recovery link carries out numerical value fine adjustment configuration on the DAC input configuration code value of the voltage output link; and then returning to the step 2 until the current voltage output value reaches the expectation value.
Wherein, DAC output self-adaptation calibrating device still includes under the wide temperature environment: the temperature sensor and the temperature sensor control module;
in the step 2, the temperature compensation scheduling module controls the temperature sensor to acquire the current working temperature through the temperature sensor control module.
Wherein the voltage output link comprises: a DAC voltage output module;
in the step 3, the DAC voltage output module outputs an actual voltage output value.
Wherein, the voltage recovery link includes: a voltage extraction module;
in the step 4, the voltage extraction module extracts the actual voltage output value actually output by the current DAC.
Wherein, the voltage recovery link includes: an error judgment module;
in the step 7, the error judgment module performs error judgment according to the current voltage output value and the output voltage target value, and judges whether to perform gain fine adjustment on the DAC input configuration code value.
Wherein the voltage output link comprises: a value fine-tuning configuration module;
in the step 8, if gain fine tuning is required, the digital fine tuning configuration module performs digital fine tuning configuration on the DAC input configuration code value of the voltage output link.
In step 2, if the temperature variation does not exceed the set temperature threshold, the temperature compensation function is not triggered.
In step 5, if the temperature variation does not exceed the set temperature threshold, the temperature compensation function is not triggered.
In step 7, if the error between the current voltage output value and the output voltage target value is within a preset threshold range, it is determined that the gain fine adjustment of the DAC input configuration code value is not required.
And when the DAC input configuration code value is judged not to need to be subjected to gain fine adjustment, the current voltage output value obtained under the condition is considered to reach the expectation.
(III) advantageous effects
Compared with the prior art, the invention utilizes the temperature sensor to perform gain fine adjustment and temperature automatic compensation on the output voltage signal according to the target value of the output voltage signal, the actual voltage extraction value and the current working environment temperature change, thereby improving the precision of the output voltage signal in the wide-temperature environment.
Specifically, the error between the output voltage value and the target voltage value is detected by performing extraction measurement on the actual output voltage, and the output voltage is adjusted by adjusting the DAC input value through the value fine-tuning configuration module; meanwhile, the temperature of the current working environment is measured in real time by combining a temperature sensor, and when the temperature change exceeds a set threshold value, the temperature compensation is carried out on the output voltage value, so that the influence of the temperature change on the voltage output is counteracted.
Drawings
Fig. 1 is a schematic diagram of the technical solution of the present invention.
FIG. 2 is a diagram of the contents of a voltage configuration table.
FIG. 3 is a schematic representation of the contents of a voltage recovery table.
FIG. 4 is a schematic representation of the contents of the temperature compensation table.
Fig. 5 is a schematic diagram of the technical scheme of the invention.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to solve the above technical problem, the present invention provides a DAC output adaptive calibration method in a wide temperature environment, as shown in fig. 1 to 5, where the DAC output adaptive calibration method in the wide temperature environment is implemented based on a DAC output adaptive calibration device in the wide temperature environment, and the DAC output adaptive calibration device in the wide temperature environment includes: the voltage recovery system comprises a voltage output link, a voltage recovery link and a temperature compensation scheduling module;
the DAC output self-adaptive calibration method under the wide-temperature environment comprises the following steps:
step 1: the voltage output link inquires a preset voltage configuration table according to the output voltage target value to obtain a corresponding DAC input configuration code value;
step 2: the temperature compensation scheduling module acquires the current working temperature, triggers a temperature compensation function if the temperature change exceeds a set temperature threshold, and performs temperature compensation on the DAC input configuration code value of the voltage output link by inquiring a preset output link temperature compensation table;
and step 3: inputting a configuration code value into the DAC after temperature compensation, inputting the configuration code value into the DAC, and outputting an actual voltage output value after conversion by the DAC;
and 4, step 4: the voltage recovery link recovers an actual voltage output value actually output by the current DAC;
and 5: the temperature compensation scheduling module acquires the current working temperature, triggers a temperature compensation function if the temperature change exceeds a set temperature threshold value, and performs temperature compensation on the actual voltage output value of the voltage recovery link by inquiring a preset recovery link temperature compensation table;
step 6: the voltage recovery link inquires a pre-configured voltage recovery table according to the actual voltage output value after temperature compensation to obtain a current voltage output value;
and 7: the voltage recovery link carries out error judgment according to the current voltage output value and the output voltage target value, and judges whether to carry out gain fine adjustment on the DAC input configuration code value or not;
and 8: if the gain fine adjustment is needed, the voltage recovery link carries out numerical value fine adjustment configuration on the DAC input configuration code value of the voltage output link; and then returning to the step 2 until the current voltage output value reaches the expectation value.
Wherein, DAC output self-adaptation calibrating device still includes under the wide temperature environment: the temperature sensor and the temperature sensor control module;
in the step 2, the temperature compensation scheduling module controls the temperature sensor to acquire the current working temperature through the temperature sensor control module.
Wherein the voltage output link comprises: a DAC voltage output module;
in the step 3, the DAC voltage output module outputs an actual voltage output value.
Wherein, the voltage recovery link includes: a voltage extraction module;
in the step 4, the voltage extraction module extracts the actual voltage output value actually output by the current DAC.
Wherein, the voltage recovery link includes: an error judgment module;
in the step 7, the error judgment module performs error judgment according to the current voltage output value and the output voltage target value, and judges whether to perform gain fine adjustment on the DAC input configuration code value.
Wherein the voltage output link comprises: a value fine-tuning configuration module;
in the step 8, if gain fine tuning is required, the digital fine tuning configuration module performs digital fine tuning configuration on the DAC input configuration code value of the voltage output link.
In step 2, if the temperature variation does not exceed the set temperature threshold, the temperature compensation function is not triggered.
In step 5, if the temperature variation does not exceed the set temperature threshold, the temperature compensation function is not triggered.
In step 7, if the error between the current voltage output value and the output voltage target value is within a preset threshold range, it is determined that the gain fine adjustment of the DAC input configuration code value is not required.
And when the DAC input configuration code value is judged not to need to be subjected to gain fine adjustment, the current voltage output value obtained under the condition is considered to reach the expectation.
Example 1
The implementation process of this embodiment is as follows:
step one
And powering up the system, and selecting the target value of the output voltage.
Step two
And querying the voltage configuration table by using the target voltage to obtain the DAC input code value.
Step three
And judging whether the DAC input code value is subjected to gain fine adjustment or not according to the actual output voltage obtained by back mining, wherein the output voltage can be closer to a target voltage value through the gain fine adjustment, and the output precision is improved.
Step four
If the temperature change of the current working environment exceeds a set threshold, starting a temperature compensation function of the DAC input code value; and in the same way, the temperature compensation function for the recovery value is also started. And if the temperature variation does not exceed the set threshold value, the temperature compensation function is not started.
Step five
And outputting the final DAC configuration code value to further obtain the output voltage.
Step six
And judging whether to start the next temperature compensation and configuration fine adjustment according to the appointed detection period, and repeating the third step to the fifth step.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A DAC output adaptive calibration method under a wide-temperature environment is characterized in that the DAC output adaptive calibration method under the wide-temperature environment is implemented based on a DAC output adaptive calibration device under the wide-temperature environment, and the DAC output adaptive calibration device under the wide-temperature environment comprises: the voltage recovery system comprises a voltage output link, a voltage recovery link and a temperature compensation scheduling module;
the DAC output self-adaptive calibration method under the wide-temperature environment comprises the following steps:
step 1: the voltage output link inquires a preset voltage configuration table according to the output voltage target value to obtain a corresponding DAC input configuration code value;
step 2: the temperature compensation scheduling module acquires the current working temperature, triggers a temperature compensation function if the temperature change exceeds a set temperature threshold, and performs temperature compensation on the DAC input configuration code value of the voltage output link by inquiring a preset output link temperature compensation table;
and step 3: inputting a configuration code value into the DAC after temperature compensation, inputting the configuration code value into the DAC, and outputting an actual voltage output value after conversion by the DAC;
and 4, step 4: the voltage recovery link recovers an actual voltage output value actually output by the current DAC;
and 5: the temperature compensation scheduling module acquires the current working temperature, triggers a temperature compensation function if the temperature change exceeds a set temperature threshold value, and performs temperature compensation on the actual voltage output value of the voltage recovery link by inquiring a preset recovery link temperature compensation table;
step 6: the voltage recovery link inquires a pre-configured voltage recovery table according to the actual voltage output value after temperature compensation to obtain a current voltage output value;
and 7: the voltage recovery link carries out error judgment according to the current voltage output value and the output voltage target value, and judges whether to carry out gain fine adjustment on the DAC input configuration code value or not;
and 8: if the gain fine adjustment is needed, the voltage recovery link carries out numerical value fine adjustment configuration on the DAC input configuration code value of the voltage output link; and then returning to the step 2 until the current voltage output value reaches the expectation value.
2. The wide-temperature-environment DAC output adaptive calibration method according to claim 1, wherein the wide-temperature-environment DAC output adaptive calibration apparatus further comprises: the temperature sensor and the temperature sensor control module;
in the step 2, the temperature compensation scheduling module controls the temperature sensor to acquire the current working temperature through the temperature sensor control module.
3. The method for self-adaptive calibration of the DAC output under the wide temperature environment according to claim 1, wherein the voltage output link comprises: a DAC voltage output module;
in the step 3, the DAC voltage output module outputs an actual voltage output value.
4. The method for self-adaptive calibration of the DAC output under the wide temperature environment according to claim 1, wherein the voltage recovery link comprises: a voltage extraction module;
in the step 4, the voltage extraction module extracts the actual voltage output value actually output by the current DAC.
5. The method for self-adaptive calibration of the DAC output under the wide temperature environment according to claim 1, wherein the voltage recovery link comprises: an error judgment module;
in the step 7, the error judgment module performs error judgment according to the current voltage output value and the output voltage target value, and judges whether to perform gain fine adjustment on the DAC input configuration code value.
6. The method for self-adaptive calibration of the DAC output under the wide temperature environment according to claim 1, wherein the voltage output link comprises: a value fine-tuning configuration module;
in the step 8, if gain fine tuning is required, the digital fine tuning configuration module performs digital fine tuning configuration on the DAC input configuration code value of the voltage output link.
7. The method for self-adaptive calibration of the DAC output under the wide-temperature environment according to claim 1, wherein in the step 2, the temperature compensation function is not triggered if the temperature change does not exceed the set temperature threshold.
8. The method for self-adaptive calibration of the DAC output under the wide-temperature environment according to claim 1, wherein in the step 5, the temperature compensation function is not triggered if the temperature change does not exceed the set temperature threshold.
9. The adaptive calibration method for DAC output under wide temperature environment as claimed in claim 1, wherein in step 7, if the error between the current voltage output value and the target value of the output voltage is within a preset threshold range, it is determined that the DAC input configuration code value does not need to be subjected to the gain fine adjustment.
10. The method for adaptive calibration of the output of the DAC in the wide temperature environment according to claim 9, wherein when it is determined that the DAC input configuration code value does not need to be gain-adjusted, the current voltage output value obtained under the condition is considered to have reached the expected value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153673.7A CN113824445B (en) | 2021-09-29 | 2021-09-29 | DAC output self-adaptive calibration method in wide temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111153673.7A CN113824445B (en) | 2021-09-29 | 2021-09-29 | DAC output self-adaptive calibration method in wide temperature environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113824445A true CN113824445A (en) | 2021-12-21 |
| CN113824445B CN113824445B (en) | 2023-07-28 |
Family
ID=78921743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111153673.7A Active CN113824445B (en) | 2021-09-29 | 2021-09-29 | DAC output self-adaptive calibration method in wide temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113824445B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155281A (en) * | 2023-01-06 | 2023-05-23 | 固纬电子(苏州)有限公司 | DAC output calibration method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232320A (en) * | 1997-12-16 | 1999-10-20 | 马约翰 | Improved Digital Temperature Compensated Voltage Controlled Oscillator |
| JP2004173001A (en) * | 2002-11-20 | 2004-06-17 | Nec Corp | Transmission circuit, level compensating method, and program thereof |
| CN101034914A (en) * | 2007-04-10 | 2007-09-12 | 凯明信息科技股份有限公司 | Method and device for the RF performance temperature-self-adaptive compensation of the mobile communication terminal |
| TW200834049A (en) * | 2007-02-13 | 2008-08-16 | Li-Cheng Liu | An automatic calibrated measuring method for pressure |
| CN101865718A (en) * | 2009-04-17 | 2010-10-20 | 深圳迈瑞生物医疗电子股份有限公司 | Liquid level detection circuit, device and calibration method thereof |
| US20130234871A1 (en) * | 2012-03-06 | 2013-09-12 | Xw, Llc D/B/A Xtendwave | Self-compensating digital-to-analog converter and methods of calibration and operation thereof |
| US9331707B1 (en) * | 2015-07-28 | 2016-05-03 | Ixys Corporation | Programmable temperature compensated voltage generator |
| CN107846222A (en) * | 2017-11-16 | 2018-03-27 | 上海华虹集成电路有限责任公司 | A kind of digital analog converter gain self-calibration circuit |
| CN108334143A (en) * | 2017-12-25 | 2018-07-27 | 兰州空间技术物理研究所 | A kind of the SiPM gain control systems and its control method of temperature self-adaptation |
| US20190207740A1 (en) * | 2017-12-28 | 2019-07-04 | Microsemi Storage Solutions, Inc. | System and method for drift compensation in data communications |
| CN110474639A (en) * | 2019-08-07 | 2019-11-19 | 上海东软载波微电子有限公司 | Two-point modulator and its control method, DAC gain calibration methods thereof and device |
| CN110798153A (en) * | 2019-11-12 | 2020-02-14 | 天津津航计算技术研究所 | Radio frequency front-end analog compensation circuit |
| CN111813274A (en) * | 2020-06-23 | 2020-10-23 | 中国电子科技集团公司第五十五研究所 | Wide-temperature infrared touch device and temperature compensation method thereof |
-
2021
- 2021-09-29 CN CN202111153673.7A patent/CN113824445B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232320A (en) * | 1997-12-16 | 1999-10-20 | 马约翰 | Improved Digital Temperature Compensated Voltage Controlled Oscillator |
| JP2004173001A (en) * | 2002-11-20 | 2004-06-17 | Nec Corp | Transmission circuit, level compensating method, and program thereof |
| TW200834049A (en) * | 2007-02-13 | 2008-08-16 | Li-Cheng Liu | An automatic calibrated measuring method for pressure |
| CN101034914A (en) * | 2007-04-10 | 2007-09-12 | 凯明信息科技股份有限公司 | Method and device for the RF performance temperature-self-adaptive compensation of the mobile communication terminal |
| CN101865718A (en) * | 2009-04-17 | 2010-10-20 | 深圳迈瑞生物医疗电子股份有限公司 | Liquid level detection circuit, device and calibration method thereof |
| US20130234871A1 (en) * | 2012-03-06 | 2013-09-12 | Xw, Llc D/B/A Xtendwave | Self-compensating digital-to-analog converter and methods of calibration and operation thereof |
| US9331707B1 (en) * | 2015-07-28 | 2016-05-03 | Ixys Corporation | Programmable temperature compensated voltage generator |
| CN107846222A (en) * | 2017-11-16 | 2018-03-27 | 上海华虹集成电路有限责任公司 | A kind of digital analog converter gain self-calibration circuit |
| CN108334143A (en) * | 2017-12-25 | 2018-07-27 | 兰州空间技术物理研究所 | A kind of the SiPM gain control systems and its control method of temperature self-adaptation |
| US20190207740A1 (en) * | 2017-12-28 | 2019-07-04 | Microsemi Storage Solutions, Inc. | System and method for drift compensation in data communications |
| CN110474639A (en) * | 2019-08-07 | 2019-11-19 | 上海东软载波微电子有限公司 | Two-point modulator and its control method, DAC gain calibration methods thereof and device |
| CN110798153A (en) * | 2019-11-12 | 2020-02-14 | 天津津航计算技术研究所 | Radio frequency front-end analog compensation circuit |
| CN111813274A (en) * | 2020-06-23 | 2020-10-23 | 中国电子科技集团公司第五十五研究所 | Wide-temperature infrared touch device and temperature compensation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| AGUSTÍN C. GALETTO等: "daptive Background Compensation of Frequency Interleaved DACs With Application to Coherent Optical Transceivers", 《IEEE ACCESS 》, vol. 9, pages 41821, XP011844972, DOI: 10.1109/ACCESS.2021.3065269 * |
| 彭涛等: "自适应抗干扰系统中多通道幅相校准的工程实现", 《舰船电子工程》, vol. 39, no. 5, pages 48 - 52 * |
| 王文哲: "自适应电调谐滤波器控制模块研制", 《中国优秀硕士学位论文全文数据库信息科技辑》, no. 01, pages 135 - 663 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116155281A (en) * | 2023-01-06 | 2023-05-23 | 固纬电子(苏州)有限公司 | DAC output calibration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113824445B (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2337218B1 (en) | Method, RF module and test method for enabling a power amplifier to support multiple power levels | |
| US6370364B1 (en) | Mobile station having power control loop offset alignment without requiring RF power measurement | |
| HK1041748A1 (en) | System for improving the dynamic range of transmitter power measurement in a cellular telephone | |
| CN101141134A (en) | Software compensation method of radio frequency module performance and improved radio frequency module | |
| CN103401516B (en) | A kind of radio frequency protector | |
| CN107508644B (en) | Feedback channel on-line calibration method and device | |
| US7174142B2 (en) | Receiver having a built-in antenna and method of impedance-matching for the same | |
| CN103765841A (en) | Apparatus and method for correcting IQ imbalance | |
| CN113824445A (en) | DAC output self-adaptive calibration method under wide temperature environment | |
| CN113824444A (en) | DAC output self-adaptive calibration device under wide temperature environment | |
| CN100492889C (en) | Timing adjustment method and timing adjustment device | |
| AU5196700A (en) | Adaptive gain and/or phase adjustment control system and method | |
| CN102244500B (en) | Method and device for controlling power supplying voltage of power consumption device in emitting passage and emitting system | |
| JP2001203539A (en) | Nonlinear distortion compensation power amplifier | |
| CN101295965A (en) | Digital automatic gain control circuit apparatus | |
| US8081096B2 (en) | Signal generating apparatus and test apparatus | |
| CN103840863B (en) | Auto gain control method with temperature-compensating and device, digital communication system | |
| US20220345141A1 (en) | Digital-to-analog conversion apparatus and method having signal calibration mechanism | |
| CN114499561A (en) | Wireless communication receiver and automatic gain control device and control method thereof | |
| CN113258532A (en) | Overvoltage protection method and device | |
| CN110277993B (en) | Gain correction control device | |
| CN1230022C (en) | Regulator for controlling emitter power | |
| CN111221371A (en) | Analog voltage output method, system, device, and computer-readable storage medium | |
| WO2003001662A1 (en) | Gain control of a power amplifier | |
| US11784656B2 (en) | Control device, switching converter and method for controlling an output variable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |