CN108155954A - A kind of programmable radio frequency network equipment - Google Patents
A kind of programmable radio frequency network equipment Download PDFInfo
- Publication number
- CN108155954A CN108155954A CN201810128821.1A CN201810128821A CN108155954A CN 108155954 A CN108155954 A CN 108155954A CN 201810128821 A CN201810128821 A CN 201810128821A CN 108155954 A CN108155954 A CN 108155954A
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- China
- Prior art keywords
- radio frequency
- cal5
- network equipment
- processing unit
- frequency network
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a kind of programmable radio frequency network equipments, including shell and Communications Control Interface on the shell and rf input port CAL1, CAL2, CAL3, CAL4, CAL5 are set, and setting attenuator inside the shell, adder and 6 single-pole double-throw switch (SPDT)s T1, T2, T3, T4, T5, T6, each single-pole double-throw switch (SPDT) are connect by Communications Control Interface with external processing unit.This programmable radio frequency network equipment is respectively used to connection frequency spectrograph, comprehensive test instrument, signal source and communication equipment to be measured by the multiple rf input ports set on the shell, achievees the purpose that primary connection can complete all index item tests.By the attenuator set inside the housing and multiple single-pole double-throw switch (SPDT)s, the different parameters that external processing unit issues are received, the closure of each single-pole double-throw switch (SPDT) is configured, realized different radio-frequency channel switchings, different test items is selected to be tested for user.
Description
Technical field
The present invention relates to a kind of programmable radio frequency network equipments.
Background technology
With the complication of communication equipment use environment and the deterioration of current electromagnetic environment, to the function of communication equipment
It is higher and higher with the requirement of index, to meet the quantitative test of a certain index of communication equipment, it is necessary to accumulate signal source, frequency spectrum
The various instrument such as instrument, comprehensive test instrument, conventional way are：Communication equipment and each instrument are carried out by multiple threeways or combiner
It connects, according to different test items, then is switched over by way of manual one by one, this connection procedure is very cumbersome, switching frequency
Rate is also very high, so not only waste of manpower, but also frequently plug radio frequency line can be lossy to radio-frequency maser and test equipment, together
When increase the Insertion Loss of test system, influence the test accuracy of each index.In order to solve this problem, the present invention proposes one
Kind programmable radio frequency network equipment.
Invention content
The shortcomings that in order to overcome the prior art, the present invention provides a kind of programmable radio frequency network equipments.
The technical solution adopted in the present invention is：A kind of programmable radio frequency network equipment including shell and is arranged on outer
The attenuation of Communications Control Interface and rf input port CAL1, CAL2, CAL3, CAL4, CAL5 and setting inside the shell on shell
Device, adder and 6 single-pole double-throw switch (SPDT)s T1, T2, T3, T4, T5, T6, each single-pole double-throw switch (SPDT) are connect by communication control
Mouth is connect with external processing unit, wherein：The single-ended of T1 is external to CAL4 points, the both-end of the upper end access T2 of the both-end of T1
Upper end, the input terminal 1 of the lower end access adder of the both-end of T1, the output terminal of the lower end access adder of the both-end of T2, T3's
It is single-ended to be external to CAL3 points, the input terminal 2 of the upper end access adder of the both-end of T3, the list of the upper end access T2 of the both-end of T4
End, the lower end of the both-end of the both-end lower end access T3 of T4, the upper end of the both-end of the single-ended access T6 of T4, the upper end of the both-end of T5
External CAL1 points, the input terminal of the lower end access attenuator of the both-end of T5 are accessed, the output terminal of attenuator is external to CAL2 points,
The lower end of the both-end of the single-ended access T6 of T5, the single-ended access CAL5 points of T6.
Compared with prior art, the positive effect of the present invention is：
This programmable radio frequency network equipment is respectively used to connection frequency by the multiple rf input ports set on the shell
Spectrometer, comprehensive test instrument, signal source and communication equipment to be measured achieve the purpose that primary connection can complete all index item tests.By
The attenuator and multiple single-pole double-throw switch (SPDT)s of enclosure setting, receive the different parameters that external processing unit issues, and configuration is every
The closure of a single-pole double-throw switch (SPDT) realizes different radio-frequency channel switchings, different test items is selected to be tested for user.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is programmable radio frequency network equipment front view；
Fig. 2 is programmable radio frequency network equipment interior view；
Fig. 3 is programmable radio frequency network equipment external connection relational graph.
Specific embodiment
A kind of programmable radio frequency network equipment, includes shell 1 as shown in Figure 1, and there are five radio frequency is defeated for setting on shell 1
Entrance 2,3,4,5,9 is respectively used to connection frequency spectrograph, comprehensive test instrument, signal source and communication equipment to be measured, wherein rf input port 9
For coordinating the calibration for carrying out attenuator, the rf input port can increase or decrease as needed, reach primary connection
Can complete all index item test purpose.Power switch and indicator light 7, the power switch and instruction are designed on shell 1
Lamp is used to powering on device and indicating electrifying condition.12V DC power interface 8 is provided on shell 1, the DC power supply connects
Mouth is used for device power.Communications Control Interface 6 is provided on shell 1, the Communications Control Interface is internal each for controlling
The closure of single-pole double-throw switch (SPDT).There are attenuator and 6 single-pole double-throw switch (SPDT)s inside shell 1, each single-pole double-throw switch (SPDT) passes through
RS232 interface is attached with external processing unit, is received external processing unit and is issued different parameters, it is double that each hilted broadsword is configured
The closure of throw switch realizes different radio-frequency channel switchings, different test items is selected to be tested for user.
As shown in Fig. 2, the connection mode of attenuator and 6 single-pole double-throw switch (SPDT)s is：
T1, T2, T3, T4, T5, T6 are respectively identical single-pole double-throw switch (SPDT), and CAL1, CAL2, CAL3, CAL4, CAL5 divide
Not Wei 5 calibration points, and the single-ended of the male connector of external L16, wherein T1 is connected to external radio frequency mouth CAL4 points, the upper end of the both-end of T1
The upper end of the both-end of T2 is accessed, the input terminal 1 of the both-end lower end access adder of T1, the both-end upper end of T2 is accessed on the both-end of T1
End, the output terminal of the both-end lower end access adder of T2, the single-ended of T3 are external to CAL3 points, the both-end upper end access adder of T3
Input terminal 2, the both-end upper end access T2's of T4 single-ended, the both-end lower end of the both-end lower end of T4 access T3, the single-ended access of T4
External CAL1 points are accessed in the upper end of T6 both-ends, the both-end upper end of T5, and the input terminal of the both-end lower end access attenuator of T5 declines
The output terminal for subtracting device is external to CAL2 points, and the both-end lower end of the single-ended access T6 of T5, the both-end upper end access T4's of T6 is single-ended,
Single-ended, the single-ended access CAL5 points of T6 of the both-end lower end access T5 of T6.
As shown in figure 3, by five rf input ports 2,3,4,5,9 in this programmable radio frequency network device enclosure, lead to
It crosses RF cable to connect with frequency spectrograph, comprehensive test instrument, signal source and communication equipment to be measured respectively, wherein rf input port 9 is used to match
The calibration for carrying out attenuator is closed, the Communications Control Interface 6 on shell is passed through into LF communication cable and general-purpose computations machine host
USB port connects, it can be achieved that the Insertion Loss to each link of this programmable radio frequency network equipment is calibrated and to each of communication equipment to be measured
Kind index carries out quantitative test.
Embodiment 1, can be to each link CAL5-CAL4, CAL5- for this programmable radio frequency network equipment
CAL3, CAL5-CAL2, CAL5-CAL1 carry out Insertion Loss calibration.By taking CAL5-CAL4 chain calibrations as an example, CAL5 is terminated to be closed into calibrating
The signal source of lattice generates 30MHz, the radiofrequency signal of 0dBm, and CAL4 terminates the frequency spectrograph into assay approval, and by center frequency point
It is set as 30MHz；By external processing unit, T1 RF switches is controlled to be closed upwards respectively, T2 RF switches are closed upwards, T4
RF switch is closed upwards, and T6 RF switches are closed upwards, is recorded amplitude output signal on this time-frequency spectrometer, is completed the link
Insertion Loss is calibrated.
The connection of the calibration of other links, signal source and frequency spectrograph is identical, is that CAL5 is terminated into signal source, calibration is in addition
Frequency spectrograph is accessed in one end, and calibration flow is identical with CAL5-CAL4 links.It can wherein be realized by CAL5-CAL2, CAL5-CAL1
Calibration to attenuator, method are：CAL5 terminates the signal source into assay approval, generates 30MHz, the radiofrequency signal of 0dBm,
CAL2 terminates the frequency spectrograph into assay approval, and center frequency point is set as 30MHz；By external processing unit, control respectively
T6 RF switches are closed downwards, and T5 RF switches are closed downwards, record amplitude output signal V1 on this time-frequency spectrometer；Equally do
Method, CAL5 terminate the signal source into assay approval, generate 30MHz, the radiofrequency signal of 0dBm, and CAL1 is terminated into assay approval
Frequency spectrograph, and center frequency point is set as 30MHz；By external processing unit, T6 RF switches is controlled to be closed downwards respectively, T5
RF switch is closed upwards, records amplitude output signal V2 on this time-frequency spectrometer, can be to attenuator by calculating V2-V1 values
Pad value is calibrated.
Embodiment 2, for this programmable radio frequency network equipment, if necessary to radio station to be measured into line sensitivity, quiet
Sensitivity, transmission power, modulation capability make an uproar when being tested, needs, using CAL5-CAL3 links, to pass through external treatment list
Member controls T3 RF switches to be closed downwards respectively, and T4 RF switches are closed downwards, and T6 RF switches are closed upwards, and adjustment is corresponding
Comprehensive test instrument parameter, complete dependence test.
Embodiment 3, for this programmable radio frequency network equipment, if necessary to radio station to be measured is carried out spurious response,
Sensitivity decrease anti-interference, crossmodulation anti-interference need to use CAL5-CAL3 and CAL5-CAL4 when being tested
Link by external processing unit, controls T1 RF switches to be closed downwards, T3 RF switches are closed upwards, and T2 radio frequencies are opened respectively
It closes and is closed downwards, T4 RF switches are closed upwards, adjust corresponding comprehensive test instrument, signal source parameter, complete dependence test.
Embodiment 4, for this programmable radio frequency network equipment, if necessary to radio station to be measured is carried out harmonic emissions,
Clutter emits when being tested, and needs using CAL5-CAL2 links, by external processing unit, T5 radio frequencies is controlled to open respectively
It closes and is closed downwards, T6 RF switches are closed downwards, record amplitude output signal on this time-frequency spectrometer, complete dependence test.
Claims (9)
1. a kind of programmable radio frequency network equipment, it is characterised in that：Communication control including shell and setting on the shell connects
Attenuator, adder and 6 lists of mouth and rf input port CAL1, CAL2, CAL3, CAL4, CAL5 and setting inside the shell
Double-pole double throw switch T1, T2, T3, T4, T5, T6, each single-pole double-throw switch (SPDT) pass through Communications Control Interface and external processing unit
Connection, wherein：The single-ended of T1 is external to CAL4 points, the upper end of the both-end of the upper end access T2 of the both-end of T1, under the both-end of T1
The input terminal 1 into adder, the output terminal of the lower end access adder of the both-end of T2 are terminated, the single-ended of T3 is external to CAL3 points,
The input terminal 2 of the upper end access adder of the both-end of T3, the upper end access T2's of the both-end of T4 is single-ended, and the both-end lower end of T4 is accessed
External CAL1 points are accessed in the lower end of the both-end of T3, the upper end of the both-end of the single-ended access T6 of T4, the upper end of the both-end of T5, T5's
The input terminal of the lower end access attenuator of both-end, the output terminal of attenuator are external to CAL2 points, the both-end of the single-ended access T6 of T5
Lower end, the single-ended access CAL5 points of T6.
2. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：By rf input port CAL5
The signal source and frequency spectrograph of assay approval are respectively connected to CAL4, T1, T2, T4 and T6 is controlled to penetrate respectively by external processing unit
Frequency switchs to be closed upwards, measures the amplitude output signal of frequency spectrograph, realizes the Insertion Loss calibration of CAL5-CAL4 links.
3. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：By rf input port CAL5
The signal source and frequency spectrograph of assay approval are respectively connected to CAL2, controls T6 and T5 RF switches respectively by external processing unit
It is closed downwards, measures the amplitude output signal V1 of frequency spectrograph；Rf input port CAL5 and CAL1 are respectively connected to assay approval
Signal source and frequency spectrograph control T6 RF switches to be closed downwards respectively by external processing unit, and T5 RF switches are closed upwards,
The amplitude output signal V2 of frequency spectrograph is measured, realizes the calibration to attenuator.
4. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：By rf input port CAL5
Communication equipment and comprehensive test instrument to be measured are respectively connected to CAL3, controls T3 and T4 RF switches downward respectively by external processing unit
It is closed, T6 RF switches are closed upwards, realize the sensitivity to communication equipment to be measured, noise quieting sensitivity, transmission power and modulation
Aptitude tests.
5. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：By rf input port
CAL5, CAL3 and CAL4 are respectively connected to the signal source of communication equipment to be measured, comprehensive test instrument and assay approval, pass through external processing unit
Control T1 and T2 RF switches are closed downwards respectively, T3 and T4 RF switches are closed upwards, realize and communication equipment to be measured is posted
Raw response, the test of sensitivity decrease anti-interference, crossmodulation anti-interference.
6. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：By rf input port CAL5
Communication equipment and frequency spectrograph to be measured are respectively connected to CAL2, controls T5 and T6 RF switches downward respectively by external processing unit
It is closed, measures the amplitude output signal of frequency spectrograph, realize the harmonic emissions to communication equipment to be measured, clutter transmitting test.
7. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：Each single-pole double-throw switch (SPDT)
It is attached by RS232 interface and external processing unit.
8. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：It is provided with electricity on the shell
Source switch and indicator light.
9. a kind of programmable radio frequency network equipment according to claim 1, it is characterised in that：It is provided on the shell
12V DC power interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128821.1A CN108155954B (en) | 2018-02-08 | 2018-02-08 | Programmable radio frequency network device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810128821.1A CN108155954B (en) | 2018-02-08 | 2018-02-08 | Programmable radio frequency network device |
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| Publication Number | Publication Date |
|---|---|
| CN108155954A true CN108155954A (en) | 2018-06-12 |
| CN108155954B CN108155954B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810128821.1A Active CN108155954B (en) | 2018-02-08 | 2018-02-08 | Programmable radio frequency network device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239525A (en) * | 2020-02-27 | 2020-06-05 | 深圳市博多电子有限公司 | Transformer-based testing device and testing method |
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| CN108155954B (en) | 2023-06-06 |
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