CN207586311U - A kind of multiport rf power measurement instrument - Google Patents
A kind of multiport rf power measurement instrument Download PDFInfo
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- CN207586311U CN207586311U CN201721874703.2U CN201721874703U CN207586311U CN 207586311 U CN207586311 U CN 207586311U CN 201721874703 U CN201721874703 U CN 201721874703U CN 207586311 U CN207586311 U CN 207586311U
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Abstract
A kind of multiport rf power measurement instrument, including measuring device shell, measuring device shell be equipped with the measurement port panel of front end, rear end signal output port panel and power interface；Measurement port panel is equipped at least 16 measurement ports, measurement port is connect in the first RF switching circuits respectively with two eight mouthfuls in crust of the device, first RF switching circuits are respectively connected to a 2nd RF switching circuit for being at least two mouthfuls, 2nd RF switching circuits are connect with detector circuit, detector circuit is connect with an analog-digital converter, analog-digital converter is connect with a micro-control unit, and unit is connected to an Ethernet interface in order to control, and Ethernet interface is connect with an electric terminal equipment.The utility model employs the RF switching circuits of high integration, switching efficiency is high, is provided with more than the measurement port of eight or more, improves the operating efficiency of radio-frequency measurement, the measurement operation that engineers and technicians carry out different electronic products the radiofrequency signal of batch has been also convenient for, has reduced the cost of measurement.
Description
Technical field
The utility model is related to a kind of radio signal measuring instruments, and measurement efficiency can be improved more particularly, to a kind of
Multiport rf power measurement instrument.
Background technology
In existing Radio Frequency Measurement Technology, it is related to the detection of multi-signal, including 2G, 3G, WiFi signal etc., and needs to examine
Also there are many different detection range requirements for the bandwidth detected required for its in the different signals surveyed；It is led in signal detection
Domain, such as the signal detection of mobile phone or other electronic products, the detection of movable signal and WiFi signal primarily directed to mobile phone,
It in mobile phone signal, needs there are many types measured, each signal is also required to measure the range of different bandwidths, and existing
In measuring technique, independent measurement is mainly carried out for a kind of signal or a product using a measuring apparatus；Same
Also the measurement port of less than 4 is only equipped in the measurement of group signal, in existing measuring apparatus, measurement efficiency is relatively low, it is impossible to
Preferably meet the needs of measurement well, limit the efficiency for measuring operation.
Utility model content
The technical issues of the utility model solves is to provide a kind of multiport rf power measurement instrument, improves to electronics
The detection efficiency of the radiofrequency signal of equipment.
The technical solution of the utility model is：
A kind of multiport rf power measurement instrument, wherein, including measuring device shell, measuring device shell is equipped with front end
Measurement port panel, rear end signal output port panel and power interface；The measurement port panel is equipped at least
16 measurement ports, the measurement port connect in the first RF switching circuits respectively with two eight mouthfuls in described device shell
It connects, the first RF switching circuits are respectively connected to a 2nd RF switching circuit for being at least two mouthfuls, the 2nd RF switches
Circuit is connect with detector circuit, and the detector circuit is connect with an analog-digital converter, the analog-digital converter and a micro-control
Unit connection processed, the unit in order to control are connected to an Ethernet interface, and the Ethernet interface and an electric terminal equipment connect
It connects.
Multiport rf power measurement instrument as described above, wherein, the analog-digital converter and the micro-control unit
Between via spi bus connection communication.
Multiport rf power measurement instrument as described above, wherein, the first RF switching circuits and the 2nd RF
Switching circuit is equipped with time-sharing multiplex control unit.
Multiport rf power measurement instrument as described above, wherein, if there are three or the first RF switches of three or more
Circuit, and the measurement port panel is equipped with the measurement port individually being connect with each mouth of the first RF switching circuits.
Multiport rf power measurement instrument as described above, wherein, coupled antenna is installed in the measurement port and is connect
Receive device.
Multiport rf power measurement instrument as described above, wherein, the wave detector is that bandwidth is 30MHz to 9GHz
Wave detector.
Multiport rf power measurement instrument as described above, wherein, it is DC-8GHz that the RF switching circuits, which include specification,
RF switch.
It is learnt by described above, compared with prior art, can reach the effect of following really：
The multiport rf power measurement instrument of the utility model employs the RF switching circuits of high integration, switching effect
Rate is high, is provided with more than the measurement port of 8 or more, and the measurement efficiency of more existing radio frequency measuring device is significantly improved,
Be also convenient for engineers and technicians to different electronic products carry out batch radiofrequency signal measurement operation, reduce measurement into
This.
Description of the drawings
Fig. 1 is the structure diagram of the preferred embodiment of the multiport rf power measurement instrument of the utility model.
Main element label declaration：
The utility model：
1：Measuring device shell 2：First RF switching circuits 21：Measurement port
3：2nd RF switching circuits 4：Detector circuit 5：Analog-digital converter
6：Micro-control unit 7：Ethernet chip 8：Ethernet interface
9：Electric terminal equipment
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control description of the drawings
Specific embodiment of the present utility model.
In order to preferably improve the measurement efficiency to the radiofrequency signal of electronic product, the utility model devises a kind of multiterminal
Mouth rf power measurement instrument, refering to Figure 1, in its preferable embodiment, the multiport radio frequency work(of the utility model
Rate measuring instrument includes measuring device shell 1, and measurement port panel, the signal of rear end that measuring device shell 1 is equipped with front end are defeated
Exit port panel and power interface；The measurement port panel is equipped at least 16 measurement ports 21, the measurement end
Mouthfuls 21 connect in the first RF switching circuits 2 (RF Switch IC) respectively with two eight mouthfuls in described device shell, and described the
One RF switching circuits 2 are respectively connected to one and are at least two mouthfuls of the 2nd RF switching circuits 3, the 2nd RF switching circuits 3 with
Detector circuit 4 connects, and the detector circuit 4 is connect with an analog-digital converter, the analog-digital converter and a microcontroller list
Member 6 connects, and the unit in order to control is connected to an Ethernet interface 8, and the Ethernet interface 8 connects with an electric terminal equipment 9
It connects.As shown in the figure, after connection needs the signal source detected in measurement port 21, measurement port 21 has received measured equipment
The power signal of transmitting, and it is transmitted to via measurement port 21 switching of the first RF switching circuits 2 and the 2nd RF switching circuits 3
Afterwards, it being transferred in detector circuit 4, rf power signal is converted into analog level signal by signal in wave detector, and
Analog level signal and radio-frequency power are the linear relationships of y=ax+b.The analog level signal is transferred to simulation numeral and turns
Digital signal is converted into parallel operation 5 (ADC), after transformed digital signal is by micro-control unit 6 (MCU), passes through Ethernet
Interface chip 7 processing again via Ethernet interface 8 with outside electric terminal equipment 9 connect, such as desktop computer, notebook or
Other equipment that can show power detection result.And the micro-control unit 6 can be polled prison to multiple prevention at radio-frequency port
It surveys, realizes the purpose of multiport synchro measure.
The multiport rf power measurement instrument of the utility model as described above, in preferred embodiment, the mould
Via spi bus connection communication between number converter and the micro-control unit 6.
The multiport rf power measurement instrument of the utility model as described above, in preferred embodiment, described the
One RF switching circuits 2 and the 2nd RF switching circuits 3 are equipped with time-sharing multiplex control unit.In the first RF switching circuits 2 and
In the connection and transmission process of two RF switching circuits 3 and detector circuit 4, in order to realize better shield effectiveness and improve circuit
Service efficiency, realize the measurement purpose of multiport, the time-sharing multiplex control unit of setting can preferably manage each measurement
The signal transmission of port 21, it is relatively independent to reach the transmission of port signal, and reaches while multiple measurement objects are surveyed
The purpose of amount.
The multiport rf power measurement instrument of the utility model as described above, in preferred embodiment, the multiterminal
Mouthful rf power measurement instrument set there are three or the first RF switching circuits 2 of three or more, and set on the measurement port panel
There is the measurement port 21 that each mouth with the first RF switching circuits 2 is individually connect.It, can according to the batch demand specifically measured
To be set as comprising three the first RF switching circuits 2, i.e. 24 measurement ports 21 or four the first RF switching circuits 2, i.e., 32
The measurement port panel of a measurement port 21, while required measurement port 21 is activated as desired by micro-control unit 6, make
Measurement efficiency is obtained to get a greater increase.
The multiport rf power measurement instrument of the utility model as described above, in preferred embodiment, the survey
Amount is equipped with coupled antenna receiver on port 21.The multiport rf power measurement instrument of the utility model can by
Coupled antenna receiver in measurement port 21 is installed and is set with the mode of the antenna progress Air Coupling of Devices to test to measure
Standby transmission power.Certainly the mode passed to radio frequency line may be used, the mode for being directly connected to measurement port measure to be measured set
The power that preparation is penetrated.
The multiport rf power measurement instrument of the utility model as described above, in preferred embodiment, the inspection
Wave device is the wave detector that bandwidth is 30MHz to 9GHz.In order to better meet the measurement demand of different frequencies bandwidth, the detection
The bandwidth detection range of device can reach 30MHz to 9GHz, with meet more different products can simultaneously in this practicality newly
It is measured on the multiport rf power measurement instrument of type, reduces the input of equipment, improve measurement efficiency.
The multiport rf power measurement instrument of the utility model as described above, in preferred embodiment, the RF
Switching circuit includes the RF that specification is DC-8GHz and switchs.Preferably, the RF of the specification is selected to switch its integrated level and switching efficiency
Height can preferably coordinate the work of the wave detector.
The above descriptions are merely exemplary embodiments of the present utility model, is not limited to the model of the utility model
It encloses.Any those skilled in the art, the made equivalent change under the premise of the design and principle for not departing from the utility model
Change and change, the range of the utility model protection should all be belonged to.
Claims (7)
1. a kind of multiport rf power measurement instrument, which is characterized in that including measuring device shell, measuring device shell is equipped with
The measurement port panel of front end, the signal output port panel of rear end and power interface；The measurement port panel is equipped with
At least 16 measurement ports, the measurement port is in the first RF switching circuits with two eight mouthfuls respectively in described device shell
Connection, the first RF switching circuits are respectively connected to a 2nd RF switching circuit for being at least two mouthfuls, and the 2nd RF is opened
Powered-down road is connect with detector circuit, and the detector circuit is connect with an analog-digital converter, the analog-digital converter and one micro-
Control unit connects, and the unit in order to control is connected to an Ethernet interface, the Ethernet interface and an electric terminal equipment
Connection.
2. multiport rf power measurement instrument as described in claim 1, which is characterized in that the analog-digital converter with it is described
Via spi bus connection communication between micro-control unit.
3. multiport rf power measurement instrument as claimed in claim 2, which is characterized in that the first RF switching circuits and
The 2nd RF switching circuits are equipped with time-sharing multiplex control unit.
4. multiport rf power measurement instrument as claimed in claim 3, which is characterized in that set there are three or three or more
First RF switching circuits, and the measurement port panel is equipped with what is individually connect with each mouth of the first RF switching circuits
Measurement port.
5. multiport rf power measurement instrument as claimed in claim 4, which is characterized in that be equipped in the measurement port
Coupled antenna receiver.
6. the multiport rf power measurement instrument as described in claim 1 to 5 any one, which is characterized in that the detection
Device is the wave detector that bandwidth is 50MHz to 9GHz.
7. multiport rf power measurement instrument as claimed in claim 6, which is characterized in that the RF switching circuits include rule
The RF that lattice are DC-8GHz is switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874703.2U CN207586311U (en) | 2017-12-28 | 2017-12-28 | A kind of multiport rf power measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721874703.2U CN207586311U (en) | 2017-12-28 | 2017-12-28 | A kind of multiport rf power measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586311U true CN207586311U (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721874703.2U Active CN207586311U (en) | 2017-12-28 | 2017-12-28 | A kind of multiport rf power measurement instrument |
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| Country | Link |
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| CN (1) | CN207586311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4016092A1 (en) * | 2020-12-09 | 2022-06-22 | Ralf Mayr | Hf power measuring module and module carrier comprising the hf power measuring module |
-
2017
- 2017-12-28 CN CN201721874703.2U patent/CN207586311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4016092A1 (en) * | 2020-12-09 | 2022-06-22 | Ralf Mayr | Hf power measuring module and module carrier comprising the hf power measuring module |
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