CN105656576B - A kind of C-band power detector - Google Patents
A kind of C-band power detector Download PDFInfo
- Publication number
- CN105656576B CN105656576B CN201511020389.7A CN201511020389A CN105656576B CN 105656576 B CN105656576 B CN 105656576B CN 201511020389 A CN201511020389 A CN 201511020389A CN 105656576 B CN105656576 B CN 105656576B
- Authority
- CN
- China
- Prior art keywords
- power
- radiofrequency signal
- unit
- power detector
- data processing
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
Abstract
Patent of the present invention discloses a kind of C-band high-precision power detector, and including two-way power-sensing circuit and digital control circuit, box body is divided into two layers up and down, and upper strata is two mutually isolated channel power detection circuits, and lower floor is digital control circuit.Wherein power-sensing circuit includes isolator and high-precision power detection chip.Control circuit includes microcontroller, wave detector and power supply circuit.A kind of disclosed C-band power detector, measure that accurate, small, structure design is simple, a kind of tool detected using microcontroller calibration and power detection chip is provided there are two the power detector of detection port, accuracy of detection reaches ± 0.5dB, while has the function of temperature detection.
Description
Technical field
A kind of C-band power detector of Patent design of the present invention, can be extensively using about satellite communication and microwave communication etc.
In communication system.
Background technology
Power is an important parameter for characterizing radiofrequency signal characteristic, with the development of mobile communication technology, is had high-precision
The RF signal power detector of exactness has become essential important devices during wireless communication measures.Radio frequency power meter is usual
It is made of power sensor and signal processing two parts.Power sensor is responsible for power signal being converted to voltage (electric current) letter
Number, signal processing, which is mainly responsible for, converts electrical signals to performance number.
Power measurement is in occupation of important role in radio frequency and microwave applications.For measuring the microwave work(of high band power
Rate meter has become a kind of indispensable device.
Invention content
The purpose of the invention is to design a kind of accurate, small, the simple power detector of structure design of measurement, this
Patent of invention provides a kind of power inspection calibrated using microcontroller with the tool of power detection chip detection there are two detection port
Survey device.The power detector has the characteristics that measurement is more accurate, small, simple in structure, has wide applicability, Ke Yiying
For various C-band power amplifiers.
The present invention designing scheme be：A kind of C-band power detector, including radiofrequency signal measuring unit 1, data processing
Unit 2, communications interface unit 3 and power supply unit 4；Radiofrequency signal measuring unit 1 in the power detector will be collected
Radiofrequency signal carries out A/D and converts to form digital signal, and digital signal is sent to data processing unit 2；Data processing unit 2 will
The digital signal received carries out calculation processing, and the data that processing obtains are sent to communications interface unit 3；Communications interface unit
3 send out the data received.
Wherein, radiofrequency signal measuring unit 1 includes two-way power-sensing circuit, including radio frequency interface 5, parameter measurement circuit
6 and A/D converting units 7；Radio frequency interface 5 will receive radiofrequency signal and be sent to parameter measurement circuit 6；Parameter measurement circuit 6 will
Radiofrequency signal is converted to analog signal and is sent to A/D converting units 7, and analog signal is carried out A/D conversion shapes by A/D converting units 7
Into digital signal, digital signal is sent to data processing unit 2 and carries out calculation processing.
Wherein, the power detector is calibrated by the SCM program in data processing unit 2.
Wherein, metal case is divided into two layers up and down, and upper strata is radiofrequency signal measuring unit 1, and there is data processing unit in lower floor
2nd, communications interface unit 3 and power supply unit 4.
Wherein, two-way power-sensing circuit cavity design reaches effectiveness for isolation and avoids interfering with each other.
Use advantageous effect caused by the above-mentioned technical proposal present invention for：
The present invention makes measurement accuracy reach ± 0.5dB, application strings using power detection chip and the calibration of microcontroller frequency-division section
Port communications realize quick real-time query function, have reached miniaturization mesh easy for installation to inserting installation circuit using upper and lower surface
's.
Description of the drawings
Fig. 1 is power detector box body vertical view；
Fig. 2 is power detector bottom view；
Fig. 3 is power detector functional-block diagram；
Fig. 4 is the functional-block diagram of power detector rf board measuring unit.
In figure：1st, power detector two layers of connection through-hole up and down, 2, power detection external interface, 3, radio-frequency power input terminal
Mouthful, 4, isolator, 5, socket connection through-hole.
Specific embodiment
Patent of the present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, patent of the present invention is a kind of C-band power detector, is divided into two layers of design up and down, contributes to pair
The accurate measurement of radiofrequency signal, radiofrequency signal are input to lower circuit by SMA interfaces and isolator, have in through-hole for upper and lower two layers
Connector connection.Power detector externally has the connection of JL30 sockets.In figure：1st, power detector connects through-hole two layers up and down,
2nd, power detection external interface, 3, radio-frequency power input port, 4, isolator, 5, socket connection through-hole.
Fig. 3 show the functional block diagram of power detector, including radiofrequency signal measuring unit 1, data processing unit 2, leads to
Believe interface unit 3 and power supply unit 4；Collected radiofrequency signal is carried out A/D conversions by radiofrequency signal measuring unit 1, will be turned
The digital signal changed is transmitted to data processing unit 2 and handles, and has SCM program in data processing unit 2, by the data received into
Row calibration calculates, and is converted to performance number, power detector is calibrated by SCM program, passes through communications interface unit later
3 will handle obtained data submitting；Wherein, data processing unit 2 also has the function of to detect real time temperature.
Fig. 4 is the functional-block diagram of power detector rf board measuring unit, there is two-way power-sensing circuit, two-way power
Detection circuit cavity design reaches effectiveness for isolation and avoids interfering with each other；Including radio frequency interface 5, parameter measurement circuit
6 and A/D converting units, 7 radio frequency interface 5 will receive radiofrequency signal and be sent to parameter measurement circuit 6；Parameter measurement circuit 6 will penetrate
Frequency signal is converted to analog signal and is sent to A/D converting units 7, and A/D converting units 7 convert analog signal progress A/D to be formed
Digital signal is sent to data processing unit 2 and carries out calculation processing by digital signal.
It is the performance number for more accurately measuring each frequency point in scm software design, is 6 frequencies by 4.4-5GHz points
Section, measures calibration respectively in each frequency range, using linear function calibration slope, also reaches in program using serial ports interruption
The function of real-time Communication for Power enquiry frequency.
In structure design, for miniaturized structure is easily installed, this patent design is divided into the top part and the bottom part point, and upper strata is radio frequency letter
There are data processing unit 2, communications interface unit 3 and power supply unit 4 in number measuring unit 1, lower floor.
Claims (3)
1. a kind of C-band power detector, it is characterised in that：Including radiofrequency signal measuring unit (1), data processing unit (2),
Communications interface unit (3) and power supply unit (4)；Radiofrequency signal measuring unit (1) in the power detector will be collected
Radiofrequency signal carries out A/D and converts to form digital signal, and digital signal is sent to data processing unit (2)；Data processing unit
(2) real time temperature is detected, and the digital signal received is subjected to calibration calculation processing, the data that processing obtains are sent to logical
Believe interface unit (3)；Communications interface unit (3) sends out the data received；The power detector passes through data processing list
SCM program in first (2) is calibrated, and is 6 frequency ranges by 4.4-5GHz points, in each frequency in scm software design
Calibration is measured in section respectively, using linear function calibration slope, and application serial ports interrupts real-time Communication for Power enquiry frequency；Power
The metal case of detector be divided into up and down two layers, upper strata be radiofrequency signal measuring unit (1), lower floor for data processing unit (2),
Communications interface unit (3) and power supply unit (4)；Radiofrequency signal is input to lower circuit by SMA interfaces and isolator, and upper and lower two
Layer has the connector connection in through-hole, and power detector externally has the connection of JL30 sockets.
2. C-band power detector according to claim 1, it is characterised in that：Radiofrequency signal measuring unit (1) includes two
Road power-sensing circuit, power-sensing circuit include radio frequency interface (5), parameter measurement circuit (6) and A/D converting units (7)；It penetrates
Frequency interface (5) will receive radiofrequency signal and be sent to parameter measurement circuit (6)；Parameter measurement circuit (6) converts radiofrequency signal
A/D converting units (7) are sent to for analog signal, analog signal progress A/D is converted to form digital letter by A/D converting units (7)
Number, digital signal is sent to data processing unit (2) and carries out calculation processing.
3. C-band power detector according to claim 2, it is characterised in that：Two-way power-sensing circuit cavity design
For isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020389.7A CN105656576B (en) | 2015-12-29 | 2015-12-29 | A kind of C-band power detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511020389.7A CN105656576B (en) | 2015-12-29 | 2015-12-29 | A kind of C-band power detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105656576A CN105656576A (en) | 2016-06-08 |
| CN105656576B true CN105656576B (en) | 2018-06-19 |
Family
ID=56478481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511020389.7A Active CN105656576B (en) | 2015-12-29 | 2015-12-29 | A kind of C-band power detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105656576B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353585A (en) * | 2016-10-20 | 2017-01-25 | 成都前锋电子仪器有限责任公司 | Data processing circuit used for radio frequency power reflectometer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549479B1 (en) * | 1991-12-23 | 1996-08-28 | ENI, DEPARTMENT OF ASTEC AMERICA, Inc. | Digitally assisted power levelling circuit for RF power generator |
| CN102026015A (en) * | 2009-09-21 | 2011-04-20 | 董亮 | Radio frequency power detection device |
| CN201821320U (en) * | 2010-09-29 | 2011-05-04 | 深圳国人通信有限公司 | Frequency conversion module of overlay end of GSM900 digital optical fiber direct amplifier station |
-
2015
- 2015-12-29 CN CN201511020389.7A patent/CN105656576B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549479B1 (en) * | 1991-12-23 | 1996-08-28 | ENI, DEPARTMENT OF ASTEC AMERICA, Inc. | Digitally assisted power levelling circuit for RF power generator |
| CN102026015A (en) * | 2009-09-21 | 2011-04-20 | 董亮 | Radio frequency power detection device |
| CN201821320U (en) * | 2010-09-29 | 2011-05-04 | 深圳国人通信有限公司 | Frequency conversion module of overlay end of GSM900 digital optical fiber direct amplifier station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105656576A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2003525455A (en) | Method and apparatus for measuring true transmitted power using a broadband dual directional coupler | |
| CN106772170B (en) | Calibration method of UHF partial discharge measurement device | |
| CN103266887B (en) | A kind of instrument by the dark resistivity of wireless short pass signal measurement and using method thereof | |
| CN105223423A (en) | Electronic installation and test macro | |
| CN105656576B (en) | A kind of C-band power detector | |
| Monsalve et al. | One-port direct/reverse method for characterizing VNA calibration standards | |
| CN102004121B (en) | Device and method for measuring ceramic contractibility rate and dielectric constant | |
| CN105116261A (en) | Method for measuring corrugated horn loss | |
| Tekbaş et al. | AW band waveguide detector module using zero bias schowttky diode | |
| CN105244636B (en) | A kind of conversion coefficient computational methods of spacecraft module internal electric field measurement antenna | |
| CN203164312U (en) | Testing system for measuring directional diagram of iron tower of power transmission line | |
| CN202101949U (en) | Device for measuring shrinkage rate and permittivity of low temperature co-fired ceramics (LTCC) | |
| CN102638819A (en) | Wireless measuring method and device for power of mobile communication station | |
| US8717104B1 (en) | Vector voltage samplers for RF interface control of power amplifier | |
| CN105277805B (en) | Noise coefficient aided measurement device | |
| CN100412555C (en) | Antenna power measuring method and apparatus | |
| Sutinjo et al. | Improved efficiency measurement and analysis methods using an overmoded Wheeler cap | |
| CN109375012A (en) | A kind of test device and test method of extendible array Multi-functional base plate | |
| CN204407460U (en) | A kind of accurate micro-strip ferrite circulator | |
| CN203705002U (en) | Oil-water double-interface measuring instrument | |
| Mohamed et al. | 3D reflectometer design for embedded RF vector measurement | |
| CN215177699U (en) | Wireless hydrostatic level system based on LTECat-1 | |
| US20220278467A1 (en) | Encapsulable antenna unit | |
| Milovanovic et al. | Analysis of square coaxial line family | |
| CN102435848B (en) | Comparison device for verifying capacity of phase noise in Ka wave band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |