CN217717910U - Through type radio frequency signal power measuring device - Google Patents
Through type radio frequency signal power measuring device Download PDFInfo
- Publication number
- CN217717910U CN217717910U CN202220581275.9U CN202220581275U CN217717910U CN 217717910 U CN217717910 U CN 217717910U CN 202220581275 U CN202220581275 U CN 202220581275U CN 217717910 U CN217717910 U CN 217717910U
- Authority
- CN
- China
- Prior art keywords
- power
- radio frequency
- signal
- reverse
- frequency signal
- 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
Links
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The utility model provides a through type radio frequency signal power measuring device, include: the system comprises a high-power double-directional coupler, a forward coupling detector, a reverse coupling detector, a first high-speed analog-digital converter, a second high-speed analog-digital converter and a data processor. The radio frequency signal measuring device of the utility model can not only carry out power test on continuous wave signals, but also carry out power test on pulse signals, and can realize the test of broadband radio frequency signals; meanwhile, the device has the advantages of small volume, light weight, simple structure, no need of calibration, simple test steps and the like, and can meet the test requirements of outfield test and access type radio frequency power implementation monitoring.
Description
Technical Field
The utility model relates to a measure technical field, especially relate to a through type radio frequency signal power measurement device.
Background
The traditional low-frequency/narrow-band pass-type power meter only supports continuous wave power testing and cannot meet the testing requirements of continuous wave signals and pulse signals such as microwave signals, under the condition, a tester can only use the terminal-type power meter to perform pulse testing after the signals are connected into a high-power attenuator, the testing method is large in required number of accessories and instruments, large in size, and complex and complicated in testing, and can not meet the testing requirements of external field testing and some access type radio frequency power real-time monitoring.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a through type radio frequency signal power measurement device, include:
the high-power double-directional coupler comprises an input end, a first output end, a second output end and a third output end; for processing a received radio frequency signal, outputting a forward power signal from said first output terminal, and outputting a reverse power signal from said second output terminal;
the forward coupling detector is connected with the first output end of the high-power dual-directional coupler and used for detecting the forward power signal to obtain a first voltage signal;
the reverse coupling detector is connected with the second output end of the high-power double-directional coupler and used for detecting the reverse power signal to obtain a second voltage signal;
the first high-speed analog-digital converter is connected with the forward coupling detector and is used for obtaining a forward power value based on the first voltage signal;
the second high-speed analog-digital converter is connected with the reverse coupling detector and is used for obtaining a reverse power value based on the second voltage signal;
and the data processor is connected with the first high-speed analog-digital converter and the second high-speed analog-digital converter and used for obtaining a test result based on the forward power value and the reverse power value.
Optionally, the radio frequency signal comprises a continuous wave signal or a pulsed signal.
Optionally, the operating frequency of the radio frequency signal processed by the high-power dual directional coupler is 4KHz to 40GHz.
Optionally, the first high-speed analog-to-digital converter comprises:
the first receiving module is connected with the forward coupling detector and used for receiving the first voltage signal;
the first storage module is used for storing the mapping relation between the voltage and the forward standard power;
and the first searching module is connected with the first receiving module and the first storage module and is used for obtaining the forward power value corresponding to the first voltage signal based on the mapping relation between the voltage and the forward standard power.
Optionally, the second high-speed analog-to-digital converter comprises:
the second receiving module is connected with the reverse coupling detector and used for receiving the second voltage signal;
the second storage module is used for storing the mapping relation between the voltage and the reverse standard power;
and the second searching module is connected with the second receiving module and the second storage module and used for obtaining the reverse power value corresponding to the second voltage signal based on the mapping relation between the voltage and the reverse standard power.
Optionally, the data processor compares the reverse power value with the forward power value to obtain the test result.
Optionally, the test device further comprises a touch display screen, at least comprising a display module, connected to the data processor, for displaying the test result.
Optionally, the touch display screen further includes a touch module, connected to the data processor, and configured to send a touch instruction to the data processor.
As above, the utility model discloses a through type radio frequency signal power measuring device has following beneficial effect: the radio frequency signal measuring device of the utility model can not only test the power of continuous wave signals, but also test the power of pulse signals, and can realize the test of broadband radio frequency signals; meanwhile, the device has the advantages of small volume, light weight, simple structure, no need of calibration, simple test steps and the like, and can meet the test requirements of outfield test and access type radio frequency power implementation monitoring.
Drawings
Fig. 1 and fig. 2 are block diagrams of the passing rf signal power measuring device provided in different embodiments of the present invention.
Fig. 3 is a block diagram of a first high-speed adc in a through-type rf signal power measuring device according to the present invention.
Fig. 4 is a block diagram of a second high-speed adc in the through-type rf signal power measuring device according to the present invention.
Description of reference numerals:
1. the high-power double-directional coupler comprises a high-power double-directional coupler, 2, a forward coupling detector, 3, a reverse coupling detector, 4, a first high-speed analog-digital converter, 41, a first receiving module, 42, a first storage module, 43, a first searching module, 5, a second high-speed analog-digital converter, 51, a second receiving module, 52, a second storage module, 53, a second searching module, 6, a data processor, 7, a touch display screen, 8, a power supply interface, 9 and a communication interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The traditional low-frequency/narrow-band pass-type power meter only supports continuous wave power testing and cannot meet the testing requirements of continuous wave signals and pulse signals such as microwave signals, under the condition, a tester can only use the terminal-type power meter to perform pulse testing after signals are connected into a high-power attenuator, the testing method is large in required number of accessories and instruments and large in size, insertion loss of the attenuator and connecting lines needs to be calibrated, testing is complex and complicated, and the testing requirements of outfield testing and some access-type radio frequency power real-time monitoring cannot be met.
The radio frequency high-power through type power meter is a device which can be accessed into a high-power radio frequency system to measure/monitor the power of the system, and is widely applied to the fields of semiconductor processing (etching/EUV lithography), military communication, radars, electronic countermeasure, vacuum coating and the like which need high-power radio frequency energy; the existing products in the market are mainly imported products, are passing-type power meters only capable of measuring continuous waves, and cannot meet the test requirements of a large number of pulse signals; meanwhile, the frequency of the existing imported product in the market can only reach 6GHz, the frequency bandwidth is at most 5GHz, and the test requirement of the military field on high-frequency large bandwidth cannot be met.
Example one
Referring to fig. 1, the present invention provides a through-type rf signal power measuring device, which includes: the high-power double-directional coupler comprises a high-power double-directional coupler 1, wherein the high-power double-directional coupler 1 comprises an input end, a first output end, a second output end and a third output end; the high-power bi-directional coupler 1 is configured to process a received radio frequency signal, output a forward power signal from the first output terminal, and output a reverse power signal from the second output terminal; the forward coupling detector 2 is connected with the first output end of the high-power dual-directional coupler 1 and used for detecting the forward power signal to obtain a first voltage signal; the reverse coupling detector 3 is connected with the second output end of the high-power dual-directional coupler 1 and is used for detecting the reverse power signal to obtain a second voltage signal; the first high-speed analog-digital converter 4 is connected with the forward coupling detector 2 and is used for obtaining a forward power value based on the first voltage signal; the second high-speed analog-digital converter 5 is connected with the reverse coupling detector 3, and is used for obtaining a reverse power value based on the second voltage signal; and the data processor 6 is connected with the first high-speed analog-to-digital converter 4 and the second high-speed analog-to-digital converter 5, and is used for obtaining a test result based on the forward power value and the reverse power value.
The radio frequency signal measuring device of the utility model can not only carry out power test on continuous wave signals, but also carry out power test on pulse signals, and can realize the test of broadband radio frequency signals; meanwhile, the device has the advantages of small volume, light weight, simple structure, no need of calibration, simple test steps and the like, and can meet the test requirements of outfield test and access type radio frequency power implementation monitoring. The utility model discloses a radio frequency signal measuring device through type power measurement, but the direct access radio frequency energy system tests, high power capacity, the highest measurable 50KW.
Example two
Referring to fig. 1, the present embodiment further provides a pass-through rf signal power measurement apparatus, which includes the following structure in addition to the structure of the first embodiment.
As an example, the radio frequency signal may comprise a continuous wave signal or a pulsed signal; in particular, the continuous wave signal may include, but is not limited to, a high power continuous radio frequency signal or a high power microwave signal.
As an example, the working frequency of the pulse signal processed by the high-power double directional coupler 1 is 4KHz-40GHz.
Specifically, the working frequency of the radio frequency signal processed by the high-power dual-directional coupler 1 can be 4KHz-400MHz, 400MHz-2000MHz, 2GHz-18GHz, 18GHz-26.5GHz, and 26.5GHz-40GHz, so as to ensure that the working frequency of the pulse signal processed by the high-power dual-directional coupler 1 can cover the range of 4KHz-40GHz, and meet the requirements of most applications.
As an example, referring to fig. 3, the first high-speed analog-to-digital converter 4 may include: a first receiving module 41, where the first receiving module 41 is connected to the forward coupling detector 1, and is configured to receive the first voltage signal; the first storage module 42, the first storage module 42 is configured to store a mapping relationship between a voltage and a forward standard power; the first searching module 43, where the first searching module 43 is connected to the first receiving module 41 and the first storing module 42, and is configured to obtain the forward power value corresponding to the first voltage signal based on a mapping relationship between voltage and forward standard power.
As an example, referring to fig. 4, the second high-speed analog-to-digital converter 5 may include: the second receiving module 51, where the second receiving module 51 is connected to the reverse coupling detector 3, and is configured to receive the second voltage signal; a second storage module 52, where the second storage module 52 is used to store a mapping relationship between a voltage and a reverse standard power; a second searching module 53, where the second searching module 53 is connected to the second receiving module 51 and the second storing module 52, and is configured to obtain the reverse power value corresponding to the second voltage signal based on a mapping relationship between voltage and reverse standard power.
As an example, the data processor 6 compares the reverse power value with the forward power value to obtain the test result; that is, the data processor 6 takes the ratio obtained by comparing the reverse power value with the forward power value as the test result.
As an example, the data processor 6 may include an FPGA (Field-Programmable Gate Array); the through type radio frequency signal power measuring device can achieve sampling test of an ns-level pulse level through the first high-speed analog-digital converter 4, the second high-speed analog-digital converter 5 and the FPGA, the measurable pulse width can reach 10ns, and the duty ratio can reach 1% -99%.
As an example, the pass-through radio frequency signal power measurement device further includes a touch display screen 7, where the touch display screen 7 at least includes a display module (not shown), and the display module is connected to the data processor 4 and is configured to display the test result.
As an example, the touch display screen 7 may further include a touch module (not shown), which is connected to the data processor 4 and configured to send a touch instruction to the data processor.
The touch display screen 7 can accurately and clearly display relevant data such as test results and the like, and can also be used for controlling parameters by holding.
As an example, the high-power dual directional coupler 1, the forward direction coupling detector 2, the reverse direction coupling detector 3, the first high-speed analog-to-digital converter, the second high-speed analog-to-digital converter 5, the data processor 6 and the touch display screen 7 may be integrated on the same chip, and the integrated design is realized by adopting chip-level integration, so that large-sized modules and separate products are avoided, and the structural design is compact, so that the pass-through radio frequency signal power measurement apparatus has a smaller size and a lighter weight, the size may reach less than 220mm 160mm 70mm, and the weight is less than 4kg.
In another embodiment, please refer to fig. 1 again, the through-type rf signal power measuring apparatus may further include a power interface 8 and a communication interface 9, the power interface 8 may be connected to the high-power bi-directional coupler 1, the forward-coupling detector 2, the reverse-coupling detector 3, the first high-speed adc, the second high-speed adc 5, the data processor 6 and the touch display 7, and may be configured to supply power to the high-power bi-directional coupler 1, the forward-coupling detector 2, the reverse-coupling detector 3, the first high-speed adc, the second high-speed adc 5, the data processor 6 and the touch display 7; the communication interface 9 can be connected with, but not limited to, the data processor 6 for the passing-through radio frequency signal power measurement device to communicate with the outside.
It should be noted that the through type rf signal power measuring apparatus may further include a power supply, and the power supply may be connected to the power supply interface 8.
Referring to fig. 1 and fig. 2, the working principle of the through-type rf signal power measuring device of the present invention is as follows:
taking the radio frequency signal as a continuous wave signal as an example, the radio frequency signal enters the high-power dual-directional coupler 1, a part of the radio frequency signal is coupled to a forward power signal with smaller power through the first output end, the forward power signal enters the forward coupling detector 2 and then outputs a first voltage signal, the first voltage signal is input into the first high-speed analog-to-digital converter 4, and the first high-speed analog-to-digital converter 4 searches a mapping relation between voltage and forward standard power based on the first voltage signal to obtain a forward power value corresponding to the first voltage signal; the other part of the radio frequency signals are reflected by the third output end and then coupled to form reverse power signals with smaller power from the second output end, the reverse power signals enter the reverse coupling detector 3 and then output second voltage signals, the second voltage signals are input into the second high-speed analog-to-digital converter 5, and the second high-speed analog-to-digital converter 5 searches in the mapping relation between the voltage and the reverse standard power based on the second voltage signals to obtain a reverse power value corresponding to the second voltage signals.
It should be noted that, the mapping relationship between the voltage and the forward standard power and the mapping relationship between the voltage and the reverse standard power are both measured in advance, and the measuring method is as follows: inputting a standard radio frequency signal source with known power into the through radio frequency signal power measuring device, obtaining a corresponding relation between the voltage and the known power according to the voltage obtained by the forward coupling detector 2 in the through radio frequency signal power measuring device, and obtaining a mapping relation between the voltage and Zhang Heng standard power by testing the corresponding voltages under different frequencies and different powers; and the mapping relation of the voltage and the reverse standard power can be obtained by the same method.
The principle of the pulse signal is similar to the continuous wave signal described above; because the pulse is relative to the continuous wave, the signal is flash, unlike the continuous wave signal; when a narrow pulse (such as a pulse signal with a pulse width of ns level) is tested, a general low-speed analog-digital converter cannot capture voltage information at a very short moment of the signal, so that the voltage signals of the forward coupling detector 2 and the reverse coupling detector 3 are adopted by the first high-speed analog-digital converter 4 and the second high-speed analog-digital converter 5, and the FPGA in the data processor 6 is matched for high-speed data processing, so that the pulse sampling test with ns level can be achieved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. A pass-through rf signal power measurement device, comprising:
the high-power double-directional coupler comprises an input end, a first output end, a second output end and a third output end; for processing a received radio frequency signal, outputting a forward power signal from said first output terminal, and outputting a reverse power signal from said second output terminal;
the forward coupling detector is connected with the first output end of the high-power dual-directional coupler and used for detecting the forward power signal to obtain a first voltage signal;
the reverse coupling detector is connected with the second output end of the high-power double-directional coupler and is used for detecting the reverse power signal to obtain a second voltage signal;
the first high-speed analog-digital converter is connected with the forward coupling detector and is used for obtaining a forward power value based on the first voltage signal;
the second high-speed analog-digital converter is connected with the reverse coupling detector and is used for obtaining a reverse power value based on the second voltage signal;
and the data processor is connected with the first high-speed analog-digital converter and the second high-speed analog-digital converter and used for obtaining a test result based on the forward power value and the reverse power value.
2. The pass-through radio frequency signal power measurement device according to claim 1, wherein the radio frequency signal comprises a continuous wave signal or a pulsed signal.
3. A passing-through radio frequency signal power measuring device according to claim 1, wherein the operating frequency of the radio frequency signal processed by the high-power dual directional coupler is 4KHz-40GHz.
4. The pass-through radio frequency signal power measurement device of claim 1, wherein the first high speed analog-to-digital converter comprises:
the first receiving module is connected with the forward coupling detector and is used for receiving the first voltage signal;
the first storage module is used for storing the mapping relation between the voltage and the forward standard power;
and the first searching module is connected with the first receiving module and the first storage module and used for obtaining the forward power value corresponding to the first voltage signal based on the mapping relation between the voltage and the forward standard power.
5. The pass-through radio frequency signal power measurement device of claim 1, wherein the second high-speed analog-to-digital converter comprises:
the second receiving module is connected with the reverse coupling detector and used for receiving the second voltage signal;
the second storage module is used for storing the mapping relation between the voltage and the reverse standard power;
and the second searching module is connected with the second receiving module and the second storage module and used for obtaining the reverse power value corresponding to the second voltage signal based on the mapping relation between the voltage and the reverse standard power.
6. The pass-through radio frequency signal power measurement device according to claim 1, wherein the data processor compares the reverse power value with the forward power value to obtain the test result.
7. The pass-through radio frequency signal power measurement device according to any one of claims 1 to 6, further comprising a touch display screen, at least comprising a display module, connected with the data processor, for displaying the test result.
8. The pass-through radio frequency signal power measurement device according to claim 7, wherein the touch display screen further comprises a touch module connected to the data processor for sending a touch instruction to the data processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220581275.9U CN217717910U (en) | 2022-03-17 | 2022-03-17 | Through type radio frequency signal power measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220581275.9U CN217717910U (en) | 2022-03-17 | 2022-03-17 | Through type radio frequency signal power measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217717910U true CN217717910U (en) | 2022-11-01 |
Family
ID=83788764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220581275.9U Active CN217717910U (en) | 2022-03-17 | 2022-03-17 | Through type radio frequency signal power measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217717910U (en) |
-
2022
- 2022-03-17 CN CN202220581275.9U patent/CN217717910U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4022474B2 (en) | Method and apparatus for non-destructive measurement and mapping of sheet material | |
| CN109884407B (en) | Electromagnetic shielding effectiveness measuring system and measuring method | |
| Hesler et al. | THz vector network analyzer measurements and calibration | |
| Gao et al. | Calibration of electric coaxial near-field probes and applications | |
| CN104914115B (en) | Soil moisture content analyzer and assay method thereof | |
| Basu | An introduction to microwave measurements | |
| US10001521B1 (en) | Transistor test fixture with integrated couplers and method | |
| CN115684780A (en) | Electromagnetic signal measuring method, device, computer equipment and storage medium | |
| CN113472387A (en) | W-waveband space field amplitude-phase test system | |
| CN217717910U (en) | Through type radio frequency signal power measuring device | |
| CN106353589A (en) | Coupling detector | |
| US3327211A (en) | Multi-mode microwave power measurement utilizing oversized measuring waveguide section to obtain plane wave propagation | |
| Sachs et al. | Integrated pseudo-noise device with network analyzer performance for UWB sensing and component test | |
| CN206096254U (en) | Coupling wave detector | |
| Rigg et al. | Low-cost computer-based time-domain microwave network analyser | |
| Koul et al. | Electronic Sub-Terahertz VNA Measurement Techniques | |
| Chen et al. | Diagnosis of EMI to laptop WWAN device from TFT-LCD driver using non-contact measurement-based transfer function technique | |
| Roberts et al. | A compact, tethered E-band VNA reflectometer | |
| US12130539B2 (en) | System and method for dual-comb microwave imaging | |
| RU2782848C1 (en) | Method for measuring s-parameters | |
| Khbiza | Integrated two-port vector network analyzer design for non-invasive characterization | |
| US20220229344A1 (en) | System and method for dual-comb microwave imaging | |
| Musolino | Measurement of IC-conducted emissions by employing a backward-wave directional coupler | |
| JP3197325B2 (en) | Semiconductor test equipment using optical signals | |
| CN212905164U (en) | S parameter measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |