CN114184932A - Signal amplifier detection device - Google Patents
Signal amplifier detection device Download PDFInfo
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- CN114184932A CN114184932A CN202111363296.XA CN202111363296A CN114184932A CN 114184932 A CN114184932 A CN 114184932A CN 202111363296 A CN202111363296 A CN 202111363296A CN 114184932 A CN114184932 A CN 114184932A
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- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 230000000694 effects Effects 0.000 claims abstract description 27
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- 230000003321 amplification Effects 0.000 description 16
- 238000003199 nucleic acid amplification method Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
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Abstract
The invention provides a signal amplifier detection device, which is used for detecting the gain effect of a signal amplifier to be detected and comprises a network analyzer and a power supply device; the power supply device is electrically connected with the network analyzer, the power supply device is electrically connected with the signal amplifier to be detected, and the network analyzer is connected with the signal amplifier to be detected. The network analyzer detects the output and input signals of the signal amplifier to be detected, gain of the signal amplifier to be detected is obtained, the gain ratio of the input and output signals is compared with a preset gain ratio, when the value is within a numerical range allowed by an error, the numerical value of the signal amplifier to be detected can be judged to be normal, the network analyzer can be in wired connection or wireless connection with the signal amplifier to be detected, the signal amplifier to be detected which carries out wired signals or wireless signals can be detected by the network analyzer, the network analyzer is suitable for detection of more signal amplifiers to be detected, and the detection convenience of the signal amplifier to be detected is improved.
Description
Technical Field
The invention relates to the field of detection devices, in particular to a signal amplifier detection device.
Background
The signal amplifier is used for amplifying the signal power of wireless transmission, so that the wireless transmission is farther, and the signal reception is more stable.
When the existing signal amplifier is detected, the signal amplifier needs to be subjected to plug wire detection, and the signal amplifier transmitting wireless signals is detected, so that the signal gain effect cannot be detected by using a method of detecting the signal amplifier with wired output.
Disclosure of Invention
The invention provides a signal amplifier detection device, aiming at solving the technical problems that the existing signal amplifier needs to be subjected to plug wire detection, the signal amplifier transmitting wireless signals is detected, and the signal gain effect of the signal amplifier cannot be detected in a wired output signal amplifier detection mode.
The invention provides a signal amplifier detection device, which is used for detecting the gain effect of a signal amplifier to be detected and comprises a network analyzer and a power supply device; the power supply device is electrically connected with the network analyzer, the power supply device is electrically connected with the signal amplifier to be detected, and the network analyzer is connected with the signal amplifier to be detected.
Preferably, the wireless receiving module is connected with the network analyzer.
Preferably, the wireless receiving module comprises a wireless radio frequency receiving chip, and the wireless radio frequency receiving chip is electrically connected with the network analyzer; the wireless radio frequency receiving chip is in wireless connection with the signal amplifier to be detected.
Preferably, the wireless radio frequency receiving chip is a WF105RB chip.
Preferably, the network analyzer is connected with an input end of the signal amplifier to be detected.
Preferably, the wireless network analyzer comprises a housing, and the network analyzer, the power supply device and the wireless receiving module are arranged in the housing.
Preferably, the shell is provided with a detection groove, and the signal amplifier to be detected is placed in the detection groove.
Preferably, the output end of the network analyzer is electrically connected with the input end of the signal amplifier to be detected.
Preferably, a contact terminal is arranged in the detection groove, and the contact terminal is electrically connected with the input end of the signal amplifier to be detected.
Compared with the prior art, the signal amplifier detection device provided by the invention has the following advantages:
1. a signal amplifier detection device detects output and input signals of a signal amplifier to be detected through a network analyzer, gains of the signal amplifier to be detected are obtained, the gains are compared with preset input and output signal gain ratios, when the values are within a numerical range allowed by errors, the numerical value of the signal amplifier to be detected can be judged to be normal, the network analyzer can be in wired connection or wireless connection with the signal amplifier to be detected, the signal amplifier to be detected which carries out wired signals or wireless signals can be detected through the network analyzer, the signal amplifier to be detected is suitable for detection of more signal amplifiers to be detected, and the convenience of detection of the signal amplifier to be detected is improved.
2. The network analyzer receives the wireless signals through the connection with the wireless receiving module, so that the amplification effect of the wireless signals processed by the signal amplifier to be detected can be detected, and the detection accuracy of the signal amplifier to be detected is improved.
3. The wireless radio frequency receiving chip has the characteristics of high sensitivity and high anti-interference, can better receive wireless signals, improves the accuracy of receiving the wireless signals, avoids the reduction of the transmission power of the wireless signals caused by the wireless transmission distance, reduces the error of the amplification effect of the wireless signals, and improves the detection effect.
4. The network analyzer is connected with the input end of the signal amplifier to be detected, can detect the input signal of the input end of the signal amplifier to be detected, obtains the power of the input signal, and calculates the proportion of the input signal and the output signal, thereby obtaining the actual amplification multiple of the signal amplifier, obtaining the corresponding data for detection, and improving the authenticity of the test of the actual data.
5. Set up on the casing and detect the groove, can let and wait to detect signal amplifier and place in detecting the inslot, network analyzer detects through the signal of predetermineeing and receiving through the predetermined detection signal to waiting to detect signal amplifier and send predetermined detection signal, can know and wait to detect signal amplifier's amplification effect, improves the accuracy that detects.
6. The detection groove is internally provided with a contact terminal, the contact terminal can be electrically connected with the input end of a signal amplifier to be detected, the contact terminal can be connected through an external data transmission line or directly connected with the contact terminal through the signal amplifier to be detected, so that the signal amplifier to be detected can receive a preset input signal, the output signal of the signal amplifier to be detected, which is known by fixation, is compared with the output signal of the signal amplifier to be detected, the input signal and the output signal are calculated, the actual amplification effect and the set amplification effect of the signal amplifier to be detected are obtained, the amplification effect of the signal amplifier to be detected is judged, and the detection effect of the signal amplifier to be detected is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Drawings
Fig. 1 is an overall structural view of a signal amplifier detecting apparatus according to a first embodiment of the present invention;
fig. 2 is a block diagram of a signal amplifier detecting device according to a first embodiment of the present invention;
fig. 3 is a block diagram of a signal amplifier detecting device according to a second embodiment of the present invention;
fig. 4 is a block diagram of a signal amplifier detecting device according to a third embodiment of the present invention.
Description of reference numerals:
1. a signal amplifier detection device; 2. a signal amplifier to be detected;
11. a network analyzer; 12. a power supply device; 13. a wireless receiving module; 14. a housing; 15. a wireless transmitting module; 16. a wireless transceiver module;
141. a detection tank; 142. a contact terminal;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The signal amplifier is used for amplifying the signal power of wireless transmission, so that the wireless transmission is farther, and the signal reception is more stable.
The inventor finds that the prior art has the following problems: when the existing signal amplifier is detected, the signal amplifier needs to be subjected to plug wire detection, and the signal amplifier transmitting wireless signals is detected, so that the signal gain effect cannot be detected by using a method of detecting the signal amplifier with wired output.
Referring to fig. 1-2, a first embodiment of the present invention provides a signal amplifier detection apparatus 1, which is used for detecting the gain effect of a signal amplifier 2 to be detected, and can detect a signal amplifier from a factory or detect or maintain some signal amplifiers in use.
The signal amplifier detection device 1 comprises a network analyzer 11 and a power supply device 12; the power supply device 12 is electrically connected with the network analyzer 11, the power supply device 12 is electrically connected with the signal amplifier 2 to be detected, and the network analyzer 11 is connected with the signal amplifier 2 to be detected.
Specifically, the network analyzer 11 detects the output and input signals of the signal amplifier to obtain the gain of the signal amplifier, the gain is compared with a preset input signal gain ratio and an output signal gain ratio, when the value is within a numerical range allowed by an error, the numerical value of the signal amplifier can be judged to be normal, the network analyzer 11 can be connected with the signal amplifier in a wired mode and a wireless mode to detect the signal amplifier of the wired signal and the wireless signal, the method is suitable for detecting more signal amplifiers, and the convenience of detecting the signal amplifier is improved.
It can be understood that the signal amplifier 2 to be detected detects the input and output signals of the signal amplifier 2 to be detected, so that the signal amplifier 2 to be detected is detected, the detection authenticity of the signal amplifier 2 to be detected is improved, and the detection convenience is improved.
The signal amplifier detecting device 1 further comprises a wireless receiving module 13, and the wireless receiving module 13 is connected with the network analyzer 11.
Specifically, the network analyzer 11 is connected to the wireless receiving module 13 to receive the wireless signal, so that the amplification effect of the wireless signal processed by the signal amplifier 2 to be detected can be detected, and the detection accuracy of the signal amplifier 2 to be detected is improved.
It can be understood that, to waiting to detect signal amplifier 2, have wireless transmission function, ordinary wired transmission can't correspond wireless transmission function and detect, connects wireless signal through network analyzer 11, to wireless signal's detection, can acquire the wireless transmission function of waiting to detect signal amplifier 2, contrasts with the input signal of waiting to detect signal amplifier 2 to learn signal amplifier's signal amplification effect, improve the effect of treating to detect signal amplifier 2 and detect.
The wireless receiving module 13 comprises a wireless radio frequency receiving chip, and the wireless radio frequency receiving chip is electrically connected with the network analyzer 11; the wireless radio frequency receiving chip is wirelessly connected with the signal amplifier 2 to be detected. Particularly, the wireless radio frequency receiving chip is a WF105RB chip.
Specifically, the wireless radio frequency receiving chip has the characteristics of high sensitivity and high anti-interference, can better receive wireless signals, improves the accuracy of receiving the wireless signals, avoids the reduction of wireless signal transmission power caused by wireless transmission distance, reduces the error of the effect of amplifying the wireless signals, and improves the detection effect.
The network analyzer 11 is connected with the input end of the signal amplifier 2 to be detected.
Specifically, the network analyzer 11 is connected to the input end of the signal amplifier 2 to be detected, and the network analyzer 11 can detect the input signal at the input end of the signal amplifier 2 to be detected, obtain the power of the input signal, and calculate the ratio of the input signal to the output signal, thereby obtaining the actual amplification multiple of the signal amplifier, obtaining the corresponding data for detection, and improving the authenticity of the test of the actual data.
It can be understood that, by comparing the input signal and the output signal of the signal amplifier 2 to be detected, the amplification effect of the signal amplifier with measurement is obtained, the network analyzer 11 may preset a signal, and input the signal into the signal amplifier 2 to be detected, and by measuring the amplification signal of the signal amplifier 2 to be detected and comparing the signal with the input signal, the gain of the signal amplifier 2 to be detected can be obtained.
The signal amplifier detection device 1 further comprises a housing 14, and the network analyzer 11, the power supply device 12 and the wireless receiving module 13 are disposed in the housing 14.
The housing 14 is provided with a detection groove 141, and the signal amplifier 2 to be detected is placed in the detection groove 141.
Specifically, the housing 14 is provided with the detection groove 141, so that the signal amplifier 2 to be detected can be placed in the detection groove 141, and the network analyzer 11 can acquire the amplification effect of the signal amplifier 2 to be detected by sending a preset detection signal to the signal amplifier 2 to be detected and detecting the preset detection signal and the received signal, thereby improving the detection accuracy.
It can be understood that the detection groove 141 can be used for placing the signal amplifier 2 to be detected, and the signal amplifier 2 to be detected can be placed in the detection groove 141 for detection, so that the convenience in detection is improved.
The output end of the network analyzer 11 is electrically connected to the input end of the signal amplifier 2 to be detected, a contact terminal 142 is arranged in the detection groove 141, and the contact terminal 142 is electrically connected to the input end of the signal amplifier 2 to be detected.
Specifically, the contact terminal 142 is disposed in the detection groove 141, the contact terminal 142 can be electrically connected to the input end of the signal amplifier 2 to be detected, and the signal amplifier 2 to be detected can be connected to the contact terminal 142 through an external data transmission line or directly connected to the contact terminal 142, so that the signal amplifier 2 to be detected can receive a preset input signal, the known input signal is fixed and compared with the output signal of the signal amplifier 2 to be detected, the input signal and the output signal are calculated, the actual amplification effect and the set amplification effect of the signal amplifier 2 to be detected are obtained, the amplification effect of the signal amplifier 2 to be detected is judged, and the detection effect of the signal amplifier 2 to be detected is improved.
It can be understood that the contact terminal 142 is disposed in the detection groove 141, and the contact terminal 142 may be externally connected to an extension line to connect the input end of the signal amplifier 2 to be detected, or directly contact the input end of the signal amplifier 2 to be detected, so as to input a preset signal to the signal amplifier 2 to be detected, and through detecting the output signal of the signal amplifier 2 to be detected, so as to obtain the gain of the signal amplifier and improve the convenience of detection.
Referring to fig. 3, as an embodiment, an output end of the network analyzer 11 'is electrically connected to the wireless transmitting module 15', the wireless transmitting module 15 'can transmit a signal modulated by the network analyzer 11' to the signal amplifier 2 'to be detected, the signal amplifier 2' to be detected identifies and pairs with the detecting device to receive the signal transmitted by the network analyzer 11 ', the amplified signal is transmitted by amplifying the signal amplifier 2' to be detected, the wireless receiving module 13 'receives the amplified signal, the network analyzer 11' calculates a gain of the amplified signal and an output signal, and compares the gain with a preset gain value of the signal amplifier, thereby completing detection of the signal amplifier and improving detection accuracy of the signal amplifier. Further, wireless transmitting module 15 'and wireless receiving module 13' independent setting, respectively with network analyzer 11's output, input electric connection, improve the degree of accuracy that detects, further, can let network analyzer 11' when detecting wireless signal equipment such as cell-phone, can let the people reduce operations such as climbing, and operating personnel can subaerial detect operation, increases and detects convenient degree. Further, the network analyzer 11 'transmits and receives signals through the wireless transmitting module 15' and the wireless receiving module 13 ', reduces the external connection or direct contact with the signal amplifier 2' to be detected, directly detects in a wireless transmission mode, can simulate the signal transmission environment of equipment such as a mobile phone and the like, and improves the authenticity of detection.
Optionally, the wireless transmission module 15' includes a wireless transmission chip, which may be an XC4366 chip.
Referring to fig. 4, as an embodiment, the signal amplifier detection device 1 "includes a network analyzer 11", a wireless transceiver module 16 ", and a power supply device 12", the wireless transceiver module 16 "can receive and transmit signals, the wireless transceiver module 16" is electrically connected to the network analyzer 11 ", and the wireless transceiver module 16" integrates wireless receiving and wireless transmitting functions, so as to reduce the size of the detection device, and meanwhile, the energy consumption of the wireless transceiver module 16 "is reduced, and the energy consumption of the detection device is also reduced accordingly.
The working principle is as follows:
the technical problem is as follows:
when the existing signal amplifier is detected, the signal amplifier needs to be subjected to plug wire detection, and the signal amplifier transmitting wireless signals is detected, so that the signal gain effect cannot be detected by using a method of detecting the signal amplifier with wired output.
The network analyzer 11 is provided with an input end and an output end, the shell 14 is provided with a contact terminal 142, the input end of the signal amplifier 2 to be detected is electrically connected with the contact terminal 142, the input end of the network analyzer 11 is connected with the wireless receiving module 13, and the wireless receiving module 13 receives a wireless output signal of the signal amplifier 2 to be detected so as to adapt to the detection of the signal amplifier for wireless transmission, so that the signal amplifier for wireless transmission can transmit wireless signals such as mobile phones and televisions.
Set up on the casing 14 and detect groove 141, contact terminal 142 sets up in detecting groove 141, and it can place in detecting groove 141 to detect signal amplifier 2 to wait to detect the signal to the detection of signal, simultaneously, for detecting provides a position of placing, improves the convenience that detects.
The network analyzer 11, the wireless receiving module 13 and the power supply device 12 are disposed in the housing 14, the housing 14 can protect the internal devices from being damaged, the network analyzer 11 and the wireless receiving module 13 are respectively electrically connected to the power supply device 12, and the power supply device 12 can supply power to the network analyzer 11 and the wireless receiving module 13, so that the detection device can perform detection smoothly.
The output end of the network analyzer 11 inputs a preset signal to the signal amplifier 2 to be detected, the wireless receiving module 13 receives a wireless signal of the signal amplifier 2 to be detected and transmits the wireless signal to the input end of the network analyzer 11, the input end signal and the output end signal are calculated to obtain the real-time gain of the signal amplifier 2 to be detected, and the theoretical gain of the signal amplifier is compared, so that whether the signal amplifier 2 to be detected is normal is known, and the detection accuracy of the corresponding detection device 1 for detecting the signal amplifier 2 to be detected is improved.
Meanwhile, for a newly-shipped signal amplifier 2 to be detected, a gain value is preset, a preset input signal is input, the wireless signal transmitted by the signal amplifier 2 to be detected is remotely received through the detection device, and the measured gain of the wireless signal and the input signal is calculated, so that the signal loss degree of the signal amplifier 2 to be detected in wireless transmission is obtained, the layout of the wireless signal transmission device is facilitated, and the detection convenience is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A signal amplifier detection device is used for detecting the gain effect of a signal amplifier to be detected, and is characterized in that: comprises a network analyzer and a power supply device;
the power supply device is electrically connected with the network analyzer and the signal amplifier to be detected,
and the network analyzer is connected with the signal amplifier to be detected.
2. A signal amplifier detection arrangement as claimed in claim 1 wherein: the wireless receiving module is connected with the network analyzer.
3. A signal amplifier detection arrangement as claimed in claim 2 wherein: the wireless receiving module comprises a wireless radio frequency receiving chip which is electrically connected with the network analyzer;
the wireless radio frequency receiving chip is in wireless connection with the signal amplifier to be detected.
4. A signal amplifier detection arrangement as claimed in claim 1 wherein: the wireless radio frequency receiving chip is a WF105RB chip.
5. A signal amplifier detection arrangement as claimed in claim 1 wherein: and the network analyzer is connected with the input end of the signal amplifier to be detected.
6. A signal amplifier detection arrangement as claimed in claim 1 wherein: the wireless network analyzer comprises a shell, wherein the network analyzer, the power supply device and the wireless receiving module are arranged in the shell.
7. The signal amplifier detection device of claim 6, wherein: the shell is provided with a detection groove, and the signal amplifier to be detected is placed in the detection groove.
8. The signal amplifier detection device of claim 6, wherein: and the output end of the network analyzer is electrically connected with the input end of the signal amplifier to be detected.
9. The signal amplifier detection device of claim 6, wherein: and a contact terminal is arranged in the detection groove and is electrically connected with the input end of the signal amplifier to be detected.
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CN202111363296.XA CN114184932A (en) | 2021-11-17 | 2021-11-17 | Signal amplifier detection device |
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CN202111363296.XA CN114184932A (en) | 2021-11-17 | 2021-11-17 | Signal amplifier detection device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103744010A (en) * | 2013-12-26 | 2014-04-23 | 中国电子科技集团公司第三十六研究所 | An automatic testing system and an automatic testing method of a continuous wave radio frequency power amplifier |
CN106330352A (en) * | 2015-06-19 | 2017-01-11 | 神讯电脑(昆山)有限公司 | Signal amplifier detection device |
CN107884694A (en) * | 2017-11-13 | 2018-04-06 | 中国电子科技集团公司第四十研究所 | A kind of method using vector network analyzer test amplifier gain efficiency |
CN108390733A (en) * | 2018-02-02 | 2018-08-10 | 广州慧睿思通信息科技有限公司 | A kind of multi-channel radio frequency power amplifier test system and method |
CN109001616A (en) * | 2018-08-31 | 2018-12-14 | 佰电科技(苏州)有限公司 | A kind of power amplifier test macro |
CN111707874A (en) * | 2020-06-28 | 2020-09-25 | 深圳赛西信息技术有限公司 | 5G power amplifier testing device and method thereof |
-
2021
- 2021-11-17 CN CN202111363296.XA patent/CN114184932A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103744010A (en) * | 2013-12-26 | 2014-04-23 | 中国电子科技集团公司第三十六研究所 | An automatic testing system and an automatic testing method of a continuous wave radio frequency power amplifier |
CN106330352A (en) * | 2015-06-19 | 2017-01-11 | 神讯电脑(昆山)有限公司 | Signal amplifier detection device |
CN107884694A (en) * | 2017-11-13 | 2018-04-06 | 中国电子科技集团公司第四十研究所 | A kind of method using vector network analyzer test amplifier gain efficiency |
CN108390733A (en) * | 2018-02-02 | 2018-08-10 | 广州慧睿思通信息科技有限公司 | A kind of multi-channel radio frequency power amplifier test system and method |
CN109001616A (en) * | 2018-08-31 | 2018-12-14 | 佰电科技(苏州)有限公司 | A kind of power amplifier test macro |
CN111707874A (en) * | 2020-06-28 | 2020-09-25 | 深圳赛西信息技术有限公司 | 5G power amplifier testing device and method thereof |
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