CN209102803U - A kind of radiofrequency signal detection analysis device - Google Patents
A kind of radiofrequency signal detection analysis device Download PDFInfo
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- CN209102803U CN209102803U CN201821639144.1U CN201821639144U CN209102803U CN 209102803 U CN209102803 U CN 209102803U CN 201821639144 U CN201821639144 U CN 201821639144U CN 209102803 U CN209102803 U CN 209102803U
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- limiter
- radiofrequency signal
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Abstract
The utility model discloses a kind of radiofrequency signal detection analysis devices, including spectrum analyzer, radio-frequency cable, limiter and rf probe, the radio-frequency cable, limiter and rf probe are sequentially connected in series, wherein the port RF of the first port of radio-frequency cable and spectrum analyzer connects, the second port of radio-frequency cable and the third port of limiter connect, 4th port of limiter and the fifth port of rf probe connect, and the 6th port of rf probe is for being connected into the circuit that need to be detected.The first port, second port, third port, the 4th port and fifth port interface type be the SMA type interface of standard, the front end of the rf probe is made by half steel flexible cable.The utility model can measure the radiofrequency signal in any radio frequency amplifying circuit with low-voltage, and radio circuit loss of signal is small, high reliablity, and the service life is long.
Description
Technical field
The utility model belongs to radiofrequency signal detection technology field, and in particular to a kind of radiofrequency signal detection analysis device.
Background technique
Spectrum analyzer is the instrument for studying electric signal spectrum structure, is used for signal distortion, percentage modulation spectral purity, frequency
The measurement of the signal parameters such as rate stability and crosstalk can be used to certain ginsengs of the circuit systems such as measuring amplifier and filter
Number, is a kind of multiduty electronic measuring instrument.Modern spectrum analyzer can in an analog fashion or digital form display analysis is tied
Fruit, can analyze 1HZ very low frequency below to submillimeter region radio frequency band electric signal.Instrument internal is according to digital electricity
Road and microprocessor have storage and calculation function, if configuration standard interface, are easy for constituting Auto-Test System.It is existing
Spectrum analyzer is equipped with is special purpose interface, corresponding interface is required to the signal end that need to be detected, if detected
Signal is on radio frequency circuit board, and spectrum analyzer is just unable to measure.
Utility model content
The purpose of this utility model is to provide a kind of radiofrequency signal detection analysis devices, by inputting in spectrum analyzer
Mouth front end series radio-frequency signal detecting device, detects any radiofrequency signal with facilitating, especially to radio frequency printed board electricity
The effect got instant result is played in detection in road.
To achieve the goals above, the technical solution adopted in the utility model are as follows: a kind of radiofrequency signal detection analysis device,
Including spectrum analyzer, radio-frequency cable, limiter and rf probe, the radio-frequency cable, limiter and rf probe are successively gone here and there
Connection connection, wherein the port RF of the first port of radio-frequency cable and spectrum analyzer connects, the second port and limit of radio-frequency cable
The third port of width device connects, and the 4th port of limiter and the fifth port of rf probe connect, the 6th end of rf probe
Mouth is for being connected into the circuit that need to be detected.
The first port, second port, third port, the 4th port and fifth port interface type be standard
SMA type interface.SMA connector is suitable for the microwave regime of frequency range direct current to 26.5GHz, has bandwidth, performance excellent, high
Reliably, service life long feature, suitable for microwave equipment and the loop of rf of digital communication system, for connect radio-frequency cable or
Microstrip line.SMA type interface is applied in the present invention, can effectively solve the problem that resistance matching problem, radiofrequency signal Insertion Loss, signal
The problems such as interference.
The limiter refers to the circuit that signal voltage wave amplitude can be scabbled by the range of restriction, also known as peak clipper, clipping electricity
The effect on road is amplitude output signal to be limited in a certain range, that is, work as input voltage above or below a certain reference value
Afterwards, output voltage will be limited in a certain level, and no longer change with input voltage.There is direct current when testing in unknown radiofrequency signal
When voltage or high power signals input, limiter can effectively play the role of blocking, clipping, slicing.
The front end of the rf probe is made by half steel flexible cable, can 360 degree rotation, be applicable in the various circuits of detection
In radiofrequency signal.
By adopting the above-described technical solution, the utility model can measure in any radio frequency amplifying circuit with low-voltage
Radiofrequency signal, can wide-band, wide amplitude measurement, radio circuit loss of signal is small, and high reliablity, the service life is long, small in size, convenient
Operation carries.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model
Appended drawing reference: 1- spectrum analyzer, 2- radio-frequency cable, 3- limiter, 4- rf probe, the port 5-RF,
6- first port, 7- second port, 8- third port, the 4th port 9-, 10- fifth port, the 6th port 11-.
Specific embodiment
As shown in Figure 1, a kind of radiofrequency signal detection analysis device, including spectrum analyzer 1, radio-frequency cable 2, limiter 3
With rf probe 4, the radio-frequency cable 2, limiter 3 and rf probe 4 are sequentially connected in series, wherein the first of radio-frequency cable 2
Port 6 is connect with the port RF 5 of spectrum analyzer 1, and the second port 7 of radio-frequency cable 2 is connect with the third port 8 of limiter 3,
4th port 9 of limiter 3 is connect with the fifth port 10 of rf probe 4, and the 6th port 11 of rf probe 4 is needed for being connected into
In the circuit of detection.
Preferably, the first port 6, second port 7, third port 8, the 4th port 9 and fifth port 10 interface
The problems such as type is the SMA type interface of standard, can effectively solve the problem that resistance matching problem, radiofrequency signal Insertion Loss, signal interference.Mark
There are two types of forms for quasi- SMA interface, and the interface of one end is " external screw thread+hole ", and the other end is " internal screw thread+needle ".Wherein, radio frequency
The first port 6 and second port 7 of cable 2 and the 4th port 9 of limiter 3 are SMA type M heads, i.e., " internal screw thread+needle ", limit
The third port 8 of width device 3 and the fifth port 10 of rf probe 4 are SMA type F head, i.e. " external screw thread+hole ".
Preferably, the front end of the rf probe 4 is made by half steel flexible cable, can 360 degree rotation, have access to
Into any radio circuit.
It when using the present apparatus, needs to connect each component first, concrete operations are by the first port 6 of radio-frequency cable 2
It is connect with the port RF 5 of spectrum analyzer 1, the second port 7 of radio-frequency cable 2 is connect with the third port 8 of limiter 3, clipping
4th port 9 of device 3 is connect with 4 fifth port 10 of rf probe, and then by the 6th port 11 of rf probe 4, i.e. radio frequency is visited
The front end of needle 4 is inserted into the radio circuit that need to be detected, and the radiofrequency signal detected and right at this moment can be shown on spectrum analyzer 1
It is analyzed.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it cannot be understood as a limitation on the scope of the patent of the present invention.Because working as the common skill, it is noted that for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (3)
1. a kind of radiofrequency signal detection analysis device, it is characterised in that: including spectrum analyzer, radio-frequency cable, limiter and penetrate
Frequency probe, the radio-frequency cable, limiter and rf probe are sequentially connected in series, wherein the first port and frequency spectrum of radio-frequency cable
The port RF of analyzer connects, and the second port of radio-frequency cable and the third port of limiter connect, the 4th port of limiter
It is connect with the fifth port of rf probe, the 6th port of rf probe is for being connected into the circuit that need to be detected.
2. radiofrequency signal detection analysis device according to claim 1, it is characterised in that: the first port, second end
Mouth, third port, the 4th port and fifth port interface type be the SMA type interface of standard.
3. radiofrequency signal detection analysis device according to claim 1, it is characterised in that: the front end of the rf probe by
Half steel flexible cable is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639144.1U CN209102803U (en) | 2018-10-09 | 2018-10-09 | A kind of radiofrequency signal detection analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639144.1U CN209102803U (en) | 2018-10-09 | 2018-10-09 | A kind of radiofrequency signal detection analysis device |
Publications (1)
| Publication Number | Publication Date |
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| CN209102803U true CN209102803U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821639144.1U Active CN209102803U (en) | 2018-10-09 | 2018-10-09 | A kind of radiofrequency signal detection analysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433099A (en) * | 2020-09-28 | 2021-03-02 | 中国电子科技集团公司第二十九研究所 | Method for detecting signals of multi-layer board embedded broadband radio frequency transmission line |
-
2018
- 2018-10-09 CN CN201821639144.1U patent/CN209102803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433099A (en) * | 2020-09-28 | 2021-03-02 | 中国电子科技集团公司第二十九研究所 | Method for detecting signals of multi-layer board embedded broadband radio frequency transmission line |
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