CN113809993B - Working signal monitoring control device, system and method for power amplifier - Google Patents

Working signal monitoring control device, system and method for power amplifier Download PDF

Info

Publication number
CN113809993B
CN113809993B CN202111365433.3A CN202111365433A CN113809993B CN 113809993 B CN113809993 B CN 113809993B CN 202111365433 A CN202111365433 A CN 202111365433A CN 113809993 B CN113809993 B CN 113809993B
Authority
CN
China
Prior art keywords
signal
module
real
power amplifier
detection module
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.)
Active
Application number
CN202111365433.3A
Other languages
Chinese (zh)
Other versions
CN113809993A (en
Inventor
刘志明
郜爱萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Weilai Technology Co ltd
Original Assignee
Chengdu Weilai Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Weilai Technology Co ltd filed Critical Chengdu Weilai Technology Co ltd
Priority to CN202111365433.3A priority Critical patent/CN113809993B/en
Publication of CN113809993A publication Critical patent/CN113809993A/en
Application granted granted Critical
Publication of CN113809993B publication Critical patent/CN113809993B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34Negative-feedback-circuit arrangements with or without positive feedback
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements

Abstract

The invention relates to a working signal monitoring and controlling device for a power amplifier, which belongs to the technical field of signal monitoring and comprises a target power amplifier module, a circulator component module and a load module; the device also comprises a first signal detection module, a second signal detection module, a data processing module, a signal regulation control module and the like. In the invention, the actual working signal of the power amplifier is monitored and controlled in real time, and when the power amplifier signal is in an abnormal working state, the signal regulation and control module is started to regulate the target power amplifier module in real time, so that the actual working signal of the power amplifier can be effectively regulated from abnormal to normal, thereby forming power amplifier signal negative feedback regulation.

Description

Working signal monitoring control device, system and method for power amplifier
Technical Field
The invention belongs to the technical field of signal monitoring, and particularly relates to a working signal monitoring control device, system and method for a power amplifier.
Background
The power amplifier is one of the important components of the communication system, in the application of the existing power amplifier, the real-time monitoring control is not carried out on the actual working signal of the power amplifier, the accurate fault analysis and positioning can not be carried out when the power amplifier works abnormally, when the power amplifier is in an abnormal working state, the maintainers of the communication system can only carry out manual gradual detection, and the abnormal elimination efficiency is extremely low.
Therefore, at present, a device, a system and a method for monitoring and controlling a working signal of a power amplifier are needed to be designed to solve the above problems.
Disclosure of Invention
The invention aims to provide a device, a system and a method for monitoring and controlling a working signal of a power amplifier, which are used for solving the technical problems in the prior art, such as: the power amplifier is one of the important components of the communication system, in the application of the existing power amplifier, the real-time monitoring control is not carried out on the actual working signal of the power amplifier, the accurate fault analysis and positioning can not be carried out when the power amplifier works abnormally, when the power amplifier is in an abnormal working state, the maintainers of the communication system can only carry out manual gradual detection, and the abnormal elimination efficiency is extremely low.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a working signal monitoring and controlling device for power amplification comprises a target power amplification module, a circulator component module and a load module; the device also comprises a first signal detection module, a second signal detection module, a data processing module and a signal regulation control module;
the target power amplifier module, the circulator component module and the load module are sequentially connected;
the data processing module is respectively connected with the first signal detection module, the second signal detection module and the signal regulation control module;
the real-time output signal of the target power amplification module is transmitted to the load module after passing through the circulator component module;
the real-time return signal of the load module is transmitted to the circulator component module;
the first signal detection module is used for detecting whether the real-time output signal is consistent with a target output signal preset by the target power amplification module or not and sending a corresponding detection result to the data processing module;
the second signal detection module is used for detecting whether the real-time return signal is consistent with a target return signal preset by the load module or not and sending a corresponding detection result to the data processing module;
and when the real-time output signal is inconsistent with the target output signal or the real-time return signal is inconsistent with the target return signal, the data processing module starts the signal regulation control module to regulate the target power amplification module in real time.
The system further comprises a third signal detection module, a fourth signal detection module, a fifth signal detection module and a sixth signal detection module; the third signal detection module, the fourth signal detection module, the fifth signal detection module and the sixth signal detection module are respectively connected with the data processing module;
the third signal detection module is used for detecting a real-time output signal of a power amplifier signal output end of the target power amplifier module and transmitting the real-time output signal to the data processing module;
the fourth signal detection module is used for detecting a real-time input signal of a power amplifier signal input end of the circulator component module and transmitting the real-time input signal to the data processing module;
the fifth signal detection module is used for detecting a real-time output signal of a power amplifier signal output end of the circulator component module and transmitting the real-time output signal to the data processing module;
the sixth signal detection module is used for detecting a real-time input signal of a power amplifier signal input end of the load module and transmitting the real-time input signal to the data processing module.
Further, when the first signal detection module detects that the real-time output signal is inconsistent with a target output signal preset by the target power amplification module,
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is inconsistent with the target output signal, the target power amplifier module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, and the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is inconsistent with the target output signal, the signal transmission channel between the target power amplifier module and the circulator component module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is consistent with the target output signal, and the fifth signal detection module detects that the real-time output signal of the power amplifier signal output end of the circulator component module is inconsistent with the target output signal, the circulator component module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is consistent with the target output signal, the fifth signal detection module detects that the real-time output signal of the power amplifier signal output end of the circulator component module is consistent with the target output signal, and the sixth signal detection module detects that the real-time input signal of the power amplifier signal input end of the load module is inconsistent with the target output signal, the abnormity of a signal transmission channel between the circulator component module and the load module is determined.
Furthermore, the device also comprises a seventh signal detection module, an eighth signal detection module and a ninth signal detection module; the seventh signal detection module, the eighth signal detection module and the ninth signal detection module are respectively connected with the data processing module;
the seventh signal detection module is used for detecting a real-time output signal of a return signal output end of the load module and transmitting the real-time output signal to the data processing module;
the eighth signal detection module is used for detecting a real-time input signal at a return signal input end of the circulator component module and transmitting the real-time input signal to the data processing module;
and the ninth signal detection module is used for detecting a real-time output signal of the return signal output end of the circulator component module and transmitting the real-time output signal to the data processing module.
Further, when the second signal detection module detects that the real-time return signal is inconsistent with a target return signal preset by the load module,
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is inconsistent with the target return signal, the load module is determined to be abnormal;
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is consistent with the target return signal, and the eighth signal detection module detects that the real-time input signal of the return signal input end of the circulator module is inconsistent with the target return signal, the signal transmission channel between the load module and the circulator module is determined to be abnormal;
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is consistent with the target return signal, the eighth signal detection module detects that the real-time input signal of the return signal input end of the circulator component module is consistent with the target return signal, and the ninth signal detection module detects that the real-time output signal of the return signal output end of the circulator component module is inconsistent with the target return signal, the circulator component module is determined to be abnormal.
A working signal monitoring and controlling system for a power amplifier comprises the working signal monitoring and controlling device for the power amplifier, and further comprises a data display module, a wireless communication module and a mobile monitoring module; the data processing module is connected with the data display module; the data processing module is in network connection with the mobile monitoring module through the wireless communication module.
The method adopts the working signal monitoring and controlling device for the power amplifier to monitor and control the working signal of the power amplifier.
Compared with the prior art, the invention has the beneficial effects that:
the practical innovation point of the scheme is that the real-time monitoring control is carried out on the actual working signals of the power amplifier, when the power amplifier signals are in an abnormal working state, the signal regulation control module is started to carry out real-time regulation on the target power amplifier module, and the actual working signals of the power amplifier can be effectively regulated to be normal from the abnormal state, so that the negative feedback regulation of the power amplifier signals is formed.
Drawings
Fig. 1 is a schematic diagram of an overall circuit structure of a device according to an embodiment of the present application.
Fig. 2 is a schematic circuit diagram of the overall system according to the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1-2 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1, a device for monitoring and controlling a working signal of a power amplifier is provided, which includes a target power amplifier module, a circulator module, and a load module; the device also comprises a first signal detection module, a second signal detection module, a data processing module and a signal regulation control module;
the target power amplifier module, the circulator component module and the load module are sequentially connected;
the data processing module is respectively connected with the first signal detection module, the second signal detection module and the signal regulation control module;
the real-time output signal of the target power amplification module is transmitted to the load module after passing through the circulator component module;
the real-time return signal of the load module is transmitted to the circulator component module;
the first signal detection module is used for detecting whether the real-time output signal is consistent with a target output signal preset by the target power amplification module or not and sending a corresponding detection result to the data processing module;
the second signal detection module is used for detecting whether the real-time return signal is consistent with a target return signal preset by the load module or not and sending a corresponding detection result to the data processing module;
and when the real-time output signal is inconsistent with the target output signal or the real-time return signal is inconsistent with the target return signal, the data processing module starts the signal regulation control module to regulate the target power amplification module in real time.
In the scheme, the real-time monitoring control is carried out on the actual working signal of the power amplifier, when the power amplifier signal is in an abnormal working state, the signal regulation control module is started to carry out real-time regulation on the target power amplifier module, and the actual working signal of the power amplifier can be effectively regulated to be normal from the abnormal state, so that the negative feedback regulation of the power amplifier signal is formed.
The system further comprises a third signal detection module, a fourth signal detection module, a fifth signal detection module and a sixth signal detection module; the third signal detection module, the fourth signal detection module, the fifth signal detection module and the sixth signal detection module are respectively connected with the data processing module;
the third signal detection module is used for detecting a real-time output signal of a power amplifier signal output end of the target power amplifier module and transmitting the real-time output signal to the data processing module;
the fourth signal detection module is used for detecting a real-time input signal of a power amplifier signal input end of the circulator component module and transmitting the real-time input signal to the data processing module;
the fifth signal detection module is used for detecting a real-time output signal of a power amplifier signal output end of the circulator component module and transmitting the real-time output signal to the data processing module;
the sixth signal detection module is used for detecting a real-time input signal of a power amplifier signal input end of the load module and transmitting the real-time input signal to the data processing module.
The third signal detection module, the fourth signal detection module, the fifth signal detection module and the sixth signal detection module are in a closed state.
And when the first signal detection module detects that the real-time output signal is inconsistent with a target output signal preset by the target power amplification module, the data processing module starts the third signal detection module.
If the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is inconsistent with the target output signal, the target power amplifier module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the data processing module starts the fourth signal detection module; the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is inconsistent with the target output signal, and then the signal transmission channel between the target power amplifier module and the circulator component module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is consistent with the target output signal, and the data processing module starts the fifth signal detection module; the fifth signal detection module detects that the real-time output signal of the power amplifier signal output end of the circulator component module is inconsistent with the target output signal, and then the circulator component module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is consistent with the target output signal, the fifth signal detection module detects that the real-time output signal of the power amplifier signal output end of the circulator component module is consistent with the target output signal, and the data processing module starts the sixth signal detection module; and if the sixth signal detection module detects that the real-time input signal of the power amplifier signal input end of the load module is inconsistent with the target output signal, the signal transmission channel between the circulator component module and the load module is determined to be abnormal.
In the above scheme, when the first signal detection module detects that the real-time output signal is inconsistent with the target output signal preset by the target power amplifier module, the accurate fault analysis during the abnormal work of the power amplifier can be quickly positioned through the cooperation among the third signal detection module, the fourth signal detection module, the fifth signal detection module and the sixth signal detection module.
Furthermore, the device also comprises a seventh signal detection module, an eighth signal detection module and a ninth signal detection module; the seventh signal detection module, the eighth signal detection module and the ninth signal detection module are respectively connected with the data processing module;
the seventh signal detection module is used for detecting a real-time output signal of a return signal output end of the load module and transmitting the real-time output signal to the data processing module;
the eighth signal detection module is used for detecting a real-time input signal at a return signal input end of the circulator component module and transmitting the real-time input signal to the data processing module;
and the ninth signal detection module is used for detecting a real-time output signal of the return signal output end of the circulator component module and transmitting the real-time output signal to the data processing module.
And the seventh signal detection module, the eighth signal detection module and the ninth signal detection module are in a closed state.
And when the second signal detection module detects that the real-time return signal is inconsistent with a target return signal preset by the load module, the data processing module starts a seventh signal detection module.
If the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is inconsistent with the target return signal, the load module is determined to be abnormal;
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is consistent with the target return signal, the data processing module starts an eighth signal detection module; the eighth signal detection module detects that a real-time input signal at a return signal input end of the circulator module is inconsistent with the target return signal, and determines that a signal transmission channel between the load module and the circulator module is abnormal;
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is consistent with the target return signal, the eighth signal detection module detects that the real-time input signal of the return signal input end of the circulator component module is consistent with the target return signal, and the data processing module starts a signal detection module for the longest time; and the ninth signal detection module detects that the real-time output signal of the return signal output end of the circulator module is inconsistent with the target return signal, and then the circulator module is determined to be abnormal.
In the above scheme, when the second signal detection module detects that the real-time return signal is inconsistent with the target return signal preset by the load module, accurate fault analysis during abnormal operation of the power amplifier can be quickly located through cooperation among the seventh signal detection module, the eighth signal detection module and the ninth signal detection module.
As shown in fig. 2, a working signal monitoring and controlling system for a power amplifier includes the above working signal monitoring and controlling device for a power amplifier, and further includes a data display module, a wireless communication module, and a mobile monitoring module; the data processing module is connected with the data display module; the data processing module is in network connection with the mobile monitoring module through the wireless communication module. Thereby realizing the visualization and remote online monitoring of the related data.
The method adopts the working signal monitoring and controlling device for the power amplifier to monitor and control the working signal of the power amplifier.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.

Claims (5)

1. A working signal monitoring and controlling device for power amplification comprises a target power amplification module, a circulator component module and a load module; the device is characterized by also comprising a first signal detection module, a second signal detection module, a data processing module and a signal regulation control module;
the target power amplifier module, the circulator component module and the load module are sequentially connected;
the data processing module is respectively connected with the first signal detection module, the second signal detection module and the signal regulation control module;
the real-time output signal of the target power amplification module is transmitted to the load module after passing through the circulator component module;
the real-time return signal of the load module is transmitted to the circulator component module;
the first signal detection module is used for detecting whether the real-time output signal is consistent with a target output signal preset by the target power amplification module or not and sending a corresponding detection result to the data processing module;
the second signal detection module is used for detecting whether the real-time return signal is consistent with a target return signal preset by the load module or not and sending a corresponding detection result to the data processing module;
when the real-time output signal is inconsistent with the target output signal or the real-time return signal is inconsistent with the target return signal, the data processing module starts the signal regulation control module to regulate the target power amplification module in real time;
the device also comprises a third signal detection module, a fourth signal detection module, a fifth signal detection module and a sixth signal detection module; the third signal detection module, the fourth signal detection module, the fifth signal detection module and the sixth signal detection module are respectively connected with the data processing module;
the third signal detection module is used for detecting a real-time output signal of a power amplifier signal output end of the target power amplifier module and transmitting the real-time output signal to the data processing module;
the fourth signal detection module is used for detecting a real-time input signal of a power amplifier signal input end of the circulator component module and transmitting the real-time input signal to the data processing module;
the fifth signal detection module is used for detecting a real-time output signal of a power amplifier signal output end of the circulator component module and transmitting the real-time output signal to the data processing module;
the sixth signal detection module is used for detecting a real-time input signal of a power amplifier signal input end of the load module and transmitting the real-time input signal to the data processing module;
when the first signal detection module detects that the real-time output signal is inconsistent with a target output signal preset by the target power amplification module,
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is inconsistent with the target output signal, the target power amplifier module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, and the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is inconsistent with the target output signal, the signal transmission channel between the target power amplifier module and the circulator component module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is consistent with the target output signal, and the fifth signal detection module detects that the real-time output signal of the power amplifier signal output end of the circulator component module is inconsistent with the target output signal, the circulator component module is determined to be abnormal;
if the third signal detection module detects that the real-time output signal of the power amplifier signal output end of the target power amplifier module is consistent with the target output signal, the fourth signal detection module detects that the real-time input signal of the power amplifier signal input end of the circulator component module is consistent with the target output signal, the fifth signal detection module detects that the real-time output signal of the power amplifier signal output end of the circulator component module is consistent with the target output signal, and the sixth signal detection module detects that the real-time input signal of the power amplifier signal input end of the load module is inconsistent with the target output signal, the abnormity of a signal transmission channel between the circulator component module and the load module is determined.
2. The device for monitoring and controlling the operating signal of the power amplifier according to claim 1, further comprising a seventh signal detection module, an eighth signal detection module, and a ninth signal detection module; the seventh signal detection module, the eighth signal detection module and the ninth signal detection module are respectively connected with the data processing module;
the seventh signal detection module is used for detecting a real-time output signal of a return signal output end of the load module and transmitting the real-time output signal to the data processing module;
the eighth signal detection module is used for detecting a real-time input signal at a return signal input end of the circulator component module and transmitting the real-time input signal to the data processing module;
and the ninth signal detection module is used for detecting a real-time output signal of the return signal output end of the circulator component module and transmitting the real-time output signal to the data processing module.
3. The apparatus according to claim 2, wherein when the second signal detecting module detects that the real-time return signal is inconsistent with a target return signal preset by the load module,
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is inconsistent with the target return signal, the load module is determined to be abnormal;
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is consistent with the target return signal, and the eighth signal detection module detects that the real-time input signal of the return signal input end of the circulator module is inconsistent with the target return signal, the signal transmission channel between the load module and the circulator module is determined to be abnormal;
if the seventh signal detection module detects that the real-time output signal of the return signal output end of the load module is consistent with the target return signal, the eighth signal detection module detects that the real-time input signal of the return signal input end of the circulator component module is consistent with the target return signal, and the ninth signal detection module detects that the real-time output signal of the return signal output end of the circulator component module is inconsistent with the target return signal, the circulator component module is determined to be abnormal.
4. A working signal monitoring and controlling system for a power amplifier is characterized by comprising the working signal monitoring and controlling device for the power amplifier according to any one of claims 1 to 3, a data display module, a wireless communication module and a mobile monitoring module; the data processing module is connected with the data display module; the data processing module is in network connection with the mobile monitoring module through the wireless communication module.
5. A method for monitoring and controlling working signals of a power amplifier, characterized in that the method uses the device for monitoring and controlling working signals of a power amplifier according to any one of claims 1-3 to monitor and control working signals of a power amplifier.
CN202111365433.3A 2021-11-18 2021-11-18 Working signal monitoring control device, system and method for power amplifier Active CN113809993B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111365433.3A CN113809993B (en) 2021-11-18 2021-11-18 Working signal monitoring control device, system and method for power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111365433.3A CN113809993B (en) 2021-11-18 2021-11-18 Working signal monitoring control device, system and method for power amplifier

Publications (2)

Publication Number Publication Date
CN113809993A CN113809993A (en) 2021-12-17
CN113809993B true CN113809993B (en) 2022-03-04

Family

ID=78898686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111365433.3A Active CN113809993B (en) 2021-11-18 2021-11-18 Working signal monitoring control device, system and method for power amplifier

Country Status (1)

Country Link
CN (1) CN113809993B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165493A (en) * 1978-04-17 1979-08-21 Rockwell International Corporation Protected amplifier apparatus
US6226496B1 (en) * 1997-06-30 2001-05-01 Nec Corporation Antenna malfunction detecting system
CN103187934A (en) * 2011-12-30 2013-07-03 中兴通讯股份有限公司 Protection method for radio frequency power amplifier and RRU (remote RF (radio frequency) unit)
CN103187936A (en) * 2011-12-30 2013-07-03 中兴通讯股份有限公司 Fault protection method and device for power amplifier
CN206948294U (en) * 2017-03-29 2018-01-30 北京华通芯电科技有限公司 Detect circuit
CN110139309A (en) * 2019-04-29 2019-08-16 武汉虹信通信技术有限责任公司 A kind of power detection regulating system, power detecting method and power regulating method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202503525U (en) * 2012-03-21 2012-10-24 安徽华东光电技术研究所 Power amplifier module output standing wave detection and protection structure
CN105282776A (en) * 2014-07-11 2016-01-27 中兴通讯股份有限公司 Fault detection method and apparatus for power amplifier
CN104698333A (en) * 2015-03-23 2015-06-10 广州播博科技有限公司 Method and device for detecting and handling load faults of power amplifier
CN204859454U (en) * 2015-05-18 2015-12-09 和源通信科技(上海)有限公司 Radio -frequency amplification subassembly and wireless emergent communication system that talkbacks
CN107395140A (en) * 2017-07-28 2017-11-24 中国电子科技集团公司第五十四研究所 A kind of C-band high power amplifier

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165493A (en) * 1978-04-17 1979-08-21 Rockwell International Corporation Protected amplifier apparatus
US6226496B1 (en) * 1997-06-30 2001-05-01 Nec Corporation Antenna malfunction detecting system
CN103187934A (en) * 2011-12-30 2013-07-03 中兴通讯股份有限公司 Protection method for radio frequency power amplifier and RRU (remote RF (radio frequency) unit)
CN103187936A (en) * 2011-12-30 2013-07-03 中兴通讯股份有限公司 Fault protection method and device for power amplifier
CN206948294U (en) * 2017-03-29 2018-01-30 北京华通芯电科技有限公司 Detect circuit
CN110139309A (en) * 2019-04-29 2019-08-16 武汉虹信通信技术有限责任公司 A kind of power detection regulating system, power detecting method and power regulating method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"125W短波功率放大器的设计与实现";沙东兵;《中国优秀博硕士学位论文全文数据库(硕士) 信息科技辑》;20180915;I135-236 *
"A 300W complete GaN solid state power amplifier for positioning system satellite payloads";Rocco Giofrè等;《2016 IEEE MTT-S International Microwave Symposium (IMS)》;20160811;1-3 *

Also Published As

Publication number Publication date
CN113809993A (en) 2021-12-17

Similar Documents

Publication Publication Date Title
CN102480273B (en) Device and method for realizing output power control of power amplifier
CN110784017A (en) Intelligent detection device and method for distribution transformer based on real-time data acquisition
CN110556923A (en) Distribution transformer data monitoring terminal, monitoring system and monitoring method
CN113809993B (en) Working signal monitoring control device, system and method for power amplifier
CN105974906B (en) Double-monitoring-activating measurement and control device
CN206945939U (en) A kind of detection means of display device for short circuit
CN101814963A (en) Automatic microwave electronic adjustable loading device and detection method thereof
KR102209098B1 (en) Power amplifier for 5G with self-test mode and wireless measurement function and operating control method thereof
CN103544104A (en) Testing method for power distribution terminal remote control functional software module
CN103872996A (en) Multichannel circuit of base station power amplifier and control method of multichannel circuit
CN115562121A (en) Communication control circuit based on input/output module and communication equipment
CN214799038U (en) Video real-time monitoring system for panel state of power distribution cabinet
CN115420331A (en) Intelligent solid-state power source monitoring system
CN105717853A (en) Ice machine malfunction voice broadcast method
CN215576261U (en) Remote control device of drying machine
CN219041788U (en) Intelligent monitoring system for network impedance of transmitting station
CN116862729B (en) Multi-classroom online interconnection management system
CN205104999U (en) Mechatronic intelligence monitoring system
CN212060914U (en) Water treatment operation monitoring system
CN213457748U (en) Energy consumption monitoring system
CN208861163U (en) A kind of device for preventing total station from crashing in automatic monitoring
CN109639247A (en) The monitor control system and method for the output power of radio-frequency power amplifier
CN212364818U (en) Two input balance function block connection structure of thermal power generating unit
CN211652981U (en) Power distribution cabinet monitoring device
CN218037047U (en) Power sampling device

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