CN109490757A - Wireless radio frequency circuit, electronic equipment and test macro - Google Patents
Wireless radio frequency circuit, electronic equipment and test macro Download PDFInfo
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- CN109490757A CN109490757A CN201811471470.0A CN201811471470A CN109490757A CN 109490757 A CN109490757 A CN 109490757A CN 201811471470 A CN201811471470 A CN 201811471470A CN 109490757 A CN109490757 A CN 109490757A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/282—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
- G01R31/2822—Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits
Abstract
The embodiment of the present application provides a kind of wireless radio frequency circuit, electronic equipment and test macro.The wireless radio frequency circuit includes: switch unit, multiple radio-frequency antennas, multiple rf receiver units and at least one rf transmitter unit.Switch unit includes the first switch port being electrically connected with radio-frequency antenna, and the second switch port being electrically connected with rf receiver unit or rf transmitter unit.Portion radio frequency antenna passes through a test connector respectively and the first switch port of switch unit is electrically connected.Switch unit is instructed according to port switching, is controlled any second switch port and is connected with the first switch port for being connected with test connector, to be tested by testing connector the rf receiver unit and/or rf transmitter unit that are connected to second switch port.As a result, on the basis of rf receiver unit or rf transmitter unit can be tested by guaranteeing, reduce the quantity of test connector.
Description
Technical field
This application involves fields of communication technology, are in particular to a kind of wireless radio frequency circuit, electronic equipment and test
System.
Background technique
Distinct electronic apparatuses will lead to since the radio-frequency devices in wireless radio frequency circuit or the PCB performance used are inconsistent
The radio-frequency performance of distinct electronic apparatuses has deviation.It is influenced to reduce the deviation bring, each electronic equipment is before factory
It will do it RF calibration.Presently mainly increase a test point in the front end of every radio circuit, using the test point to right
The parameter for the radio circuit answered is measured, and then inclined by software parameter compensation RF index based on obtained parameter is measured
Difference.Although aforesaid way can obtain the parameter of every radio circuit, since the front end of every radio circuit is close to antenna
Position, a test point can be all set, this can occupy the very big area of pcb board；It also will increase production cost simultaneously.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the embodiment of the present application is designed to provide a kind of less radio-frequency electricity
Road, electronic equipment and test macro can make portion radio frequency antenna pass through the of a test connector and switch unit respectively
One switch port is electrically connected, and then is arbitrarily electrically connected with rf receiver unit or rf transmitter unit by switch unit control
The second switch port connect is connected with the first switch port for being connected with test connector, so that the quantity in test connector is small
It, can be by test connector to arbitrary rf receiver unit and/or radio-frequency transmissions list on the basis of radio-frequency antenna total quantity
Member is tested.
In a first aspect, the embodiment of the present application provides a kind of wireless radio frequency circuit, comprising: switch unit, multiple radio-frequency antennas,
Multiple rf receiver units and at least one rf transmitter unit；
The switch unit include with radio-frequency antenna be electrically connected first switch port, and with the rf receiver unit
Or the second switch port that rf transmitter unit is electrically connected；
The part radio-frequency antenna passes through a test connector respectively and the first switch port of the switch unit is electrical
Connection；
The switch unit is instructed according to port switching, is controlled any second switch port and is connected with the test connection
The first switch port of part is connected, to pass through the test connector to the radio frequency reception list for being connected to the second switch port
Member and/or rf transmitter unit are tested.
Optionally, in the embodiment of the present application, the switch unit includes at least one multi-pole, multi-throw switch.
Optionally, in the embodiment of the present application, the switch unit includes double-point double-throw switch, three knives, three throw switch, three
Any one of double-pole double throw switch, five knives, four throw switch and any combination thereof.
Optionally, in the embodiment of the present application, the wireless radio frequency circuit further includes at least one filter cell,
It include at least one diversity reception unit, each diversity reception unit point in multiple rf receiver units
It is not electrically connected by the second switch port of filter cell and the switch unit, wherein the filter cell
Radio frequency receiving signal for transmitting to the radio-frequency antenna is filtered, and is connect with filtering the radio frequency outside target radio frequency frequency range
The collection of letters number.
Optionally, in the embodiment of the present application, the wireless radio frequency circuit further includes Duplexer Unit,
It further include a main collection receiving unit in the multiple rf receiver unit；
Described Duplexer Unit one end and the main collection receiving unit and a rf transmitter unit are electrically connected, another
End and the second switch port of the switch unit are electrically connected, and the radio frequency that the rf transmitter unit is sent sends signal
The radio frequency receiving signal for receiving and transmitting with the radio-frequency antenna is isolated.
Optionally, in the embodiment of the present application, the switch unit is also according to antenna switching command, control and the radio frequency
Transmitting unit be electrically connected second switch port with and the radio-frequency antenna electric connection multiple first switch ports in
Any one first switch port is connected, and second switch port and residue of the control with diversity reception unit electric connection
The corresponding conducting in first switch port, to realize that antenna switches.
Optionally, in the embodiment of the present application, the switch unit includes 4 first switch ports and 4 second switches
Port, the rf transmitter unit are one；
The each radio-frequency antenna first switch port corresponding with one is electrically connected in 4 radio-frequency antennas,
Wherein, at least one described radio-frequency antenna is electric through a test connector and the first switch port in 4 radio-frequency antennas
Property connection, with it is described test connector be electrically connected radio-frequency antenna quantity be less than radio-frequency antenna total quantity；
Each diversity reception unit in 4 rf receiver units passes through a filter cell and a pair respectively
The second switch port answered is electrically connected；
Main collection in described Duplexer Unit one end and the rf transmitter unit and 4 rf receiver units receives
Unit is electrically connected, and the other end is electrically connected with the corresponding second switch port.
Optionally, in the embodiment of the present application, the switch unit includes that four knives, four throw switch or two double-poles are double
Throw switch or a double-point double-throw switch and two single-pole single-throw switch (SPST)s.
Second aspect, the embodiment of the present application provide a kind of electronic equipment, and the electronic equipment includes the less radio-frequency
Circuit.
The third aspect, the embodiment of the present application provide a kind of test macro, and the test macro includes test equipment and described
Electronic equipment, the switch unit be used for according to port switching instruction control with test connector be electrically connected first switch
What port was successively electrically connected with the radio frequency unit to be tested in multiple rf receiver units and at least one rf transmitter unit
The conducting of second switch port；The test equipment be used for by the test connector and the switch unit with it is described to be tested
Radio frequency unit is electrically connected, to obtain the parameter of the radio frequency unit to be tested.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of wireless radio frequency circuit, electronic equipment and test macro.The wireless radio frequency circuit packet
Include switch unit, multiple radio-frequency antennas, multiple rf receiver units and at least one rf transmitter unit.Wherein, the switch list
Member includes the first switch port being electrically connected with radio-frequency antenna, and is electrically connected with rf receiver unit or rf transmitter unit
The second switch port connect.A part of radio-frequency antenna in multiple radio-frequency antennas passes through a test connector respectively and opens with one first
Port is closed to be electrically connected.The switch unit can be instructed according to port switching, controlled any second switch port and be connected with described
The first switch port conducting of connector is tested, to penetrate by the test connector to the second switch port is connected to
Frequency receiving unit and/or rf transmitter unit are tested.In above-mentioned setting, although only portion radio frequency antenna passes through respectively
The first switch port of one test connector and switch unit is electrically connected, but can be controlled by switch unit and arbitrarily be connect with radio frequency
The second switch port that unit or rf transmitter unit are electrically connected is received to lead with the first switch port for being connected with test connector
It is logical, thus on the basis of the quantity for testing connector is less than radio-frequency antenna total quantity, using the test connector pair of setting
Arbitrary rf receiver unit and/or rf transmitter unit are tested.
For enable application above objects, features, and advantages be clearer and more comprehensible, the application preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is one of the schematic diagram of wireless radio frequency circuit provided by the embodiments of the present application.
Fig. 2 is the two of the schematic diagram of wireless radio frequency circuit provided by the embodiments of the present application.
Fig. 3 is the two of the schematic diagram of wireless radio frequency circuit provided by the embodiments of the present application.
Fig. 4 is the four of the schematic diagram of wireless radio frequency circuit provided by the embodiments of the present application.
Fig. 5 is the five of the schematic diagram of wireless radio frequency circuit provided by the embodiments of the present application.
Icon: 100- wireless radio frequency circuit；110- switch unit；120- radio-frequency antenna；130- rf receiver unit；140-
Rf transmitter unit；150- tests connector；160- filter cell；170- Duplexer Unit.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Usually exist
The component of the embodiment of the present application described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on embodiments herein, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Application product using when the orientation or positional relationship usually put, be merely for convenience of description the application and simplify description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as the limitation to the application.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is please referred to, Fig. 1 is one of the schematic diagram of wireless radio frequency circuit 100 provided by the embodiments of the present application.It is described wireless
Radio circuit 100 includes: switch unit 110, multiple radio-frequency antennas 120, multiple rf receiver units 130, at least one radio frequency
Transmitting unit 140 and at least one test connector 150.The switch unit 110 includes being electrically connected with radio-frequency antenna 120
First switch port, and the second switch port being electrically connected with the rf receiver unit 130 or rf transmitter unit 140.
First switch port of the part radio-frequency antenna 120 respectively by a test connector 150 and the switch unit 110 is electrical
Connection.The switch unit 110 is instructed according to port switching, is controlled any second switch port and is connected with the test connection
The first switch port of part 150 is connected, to pass through the test connector 150 to the radio frequency for being connected to the second switch port
Receiving unit 130 and/or rf transmitter unit 140 are tested.Although the quantity for testing connector 150 as a result, is less than radio frequency
The quantity of antenna 120, but the control that any second switch port is connected with any first switch port by the switch unit 110
System may make external test facility by the test connector 150 of setting in different moments and different rf receiver units 130
Or rf transmitter unit 140 is electrically connected, to complete to test, obtains corresponding rf receiver unit 130 or radio-frequency transmissions list
The parameter of member 140.
In the present embodiment, the switch unit 110 includes multiple first switch ports and multiple second switch ports.Institute
The quantity for stating first switch port is not less than the quantity of radio-frequency antenna 120.At least part in multiple first switch ports
One switch port is in respectively to be arranged in a one-to-one correspondence with radio-frequency antenna 120, at least part second in multiple second switch ports
Switch port is in respectively to be arranged in a one-to-one correspondence with rf receiver unit 130 or rf transmitter unit 140.
As shown in Figure 1, radio-frequency antenna a1 and first switch port R1 are electrically connected, radio frequency in the case where one-to-one correspondence
Receiving unit b1 and second switch port L1 is electrically connected；Radio-frequency antenna a2 and first switch port R2 is electrically connected, and radio frequency connects
Unit b2 and second switch port L2 is received to be electrically connected；Radio-frequency antenna a5 and first switch port R5 is electrically connected, radio-frequency transmissions
Unit 140 and second switch port L5 are electrically connected.As a result, rf receiver unit 130 and rf transmitter unit 140 can by pair
The radio-frequency antenna 120 answered and external device communication.
In the embodiment of the present embodiment, the test connector 150 can be radio frequency socket or other connectors.It is logical
Above-mentioned setting is crossed, on the basis of any rf receiver unit 130 or rf transmitter unit 140 can be tested by guaranteeing, phase
Reduce the quantity of test connector 150 to the prior art, to avoid since survey identical with 120 quantity of radio-frequency antenna is arranged
It tries connector 150 and occupies the relatively many areas on pcb board, while avoiding that excessive test connector 150 is arranged and increases material
Cost.Meanwhile the area of entire wireless radio frequency circuit 100 is also reduced, convenient for reducing the area of pcb board.
In the present embodiment, the switch unit 110 includes at least one multi-pole, multi-throw switch.Optionally, the switch
Unit 110 may include double-point double-throw switch (2P2T), three knives, three throw switch (3P3T), triac device (3P2T), five knives four
In throw switch (5P4T) etc. any one or any combination thereof.
Referring to figure 2., Fig. 2 is the two of the schematic diagram of wireless radio frequency circuit 100 provided by the embodiments of the present application.It is described wireless
Radio circuit 100 can also include at least one filter cell 160.It include at least in multiple rf receiver units 130
One diversity reception unit c, that is, portion radio frequency receiving unit 130 is diversity reception unit c, for example, multiple radio frequencies connect in Fig. 2
Receive includes diversity reception unit c1, c2, c3 in unit 130.Each diversity reception unit c passes through a filter list respectively
Member 160 and a second switch port are electrically connected.Wherein, the filter cell 160 is used for the radio-frequency antenna 120
The radio frequency receiving signal of transmission is filtered, to filter the radio frequency receiving signal outside target radio frequency frequency range.Optionally, described
Filter cell 160 can be filter circuit.
Referring once again to Fig. 2, the wireless radio frequency circuit 100 can also include Duplexer Unit 170.The multiple radio frequency
It further include a main collection receiving unit C in receiving unit 130.The Duplexer Unit 170 may include three ports, Single port with
The main collection receiving unit C is electrically connected, and another port and the rf transmitter unit 140 are electrically connected, remaining Single port
It is electrically connected with a second switch port.The main collection receiving unit C through the Duplexer Unit 170 and can be opened as a result,
It closes unit 110 and receives the radio frequency receiving signal that corresponding radio-frequency antenna 120 transmits, the rf transmitter unit 140 can be through described double
Work device unit 170 and switch unit 110 transmit radio frequency to outside from corresponding radio-frequency antenna 120 and send signal.The Duplexer Unit
The radio frequency that the rf transmitter unit 140 is sent can be sent the radio frequency that signal and the radio-frequency antenna 120 are received and transmitted by 170
Receive signal isolation.
In the present embodiment, the switch unit 110 can also control and the radio-frequency transmissions according to antenna switching command
Unit 140 be electrically connected second switch port with and the radio-frequency antenna 120 electric connection multiple first switch ports in
Any one first switch port conducting, and control with the diversity reception unit C be electrically connected second switch port with
The corresponding conducting in remaining first switch port, to realize that antenna intelligently switches.
Wherein, the same frequency range generally can collect antenna, for transmitting and receiving signal there are two antenna based on one；Separately
One is diversity antenna, is only used for receiving signal.(for example, user is covered with hand in the case where the transmitting signal difference of main collection antenna
Near Gai Zhu collection antenna), using antenna, intelligently switching can switch over main collection antenna with diversity antenna, it may be assumed that diversity antenna
Signal for transmitting and receiving, main collection antenna is only used for receiving signal, so as to improve transmission signal quality.
To antenna, intelligently switching is illustrated below.As illustrated in fig. 2, it is assumed that collect antenna based on radio-frequency antenna a1, the
One switch port R1 is connected with second switch port L2；Radio-frequency antenna a2 is diversity antenna, and first switch port R2 is opened with second
Close port L1 conducting；Thus radio-frequency antenna a1 and the rf receiver unit 130 and radio-frequency transmissions as main collection receiving unit C
Unit 140 is electrically connected, and radio-frequency antenna a2 and diversity reception unit c1 are electrically connected.If the transmitting signal difference of radio-frequency antenna a1,
It then can control and be connected with the radio-frequency antenna a1 first switch port R1 being electrically connected with second switch port L1, and control and penetrate
The second switch port R2 that frequency antenna a2 is electrically connected is connected with second switch port L2.Radio-frequency antenna a2 connects with main collection as a result,
It receives unit C and rf transmitter unit 140 is electrically connected, radio-frequency antenna a1 and diversity reception unit c1 are electrically connected, and can improve hair
Penetrate signal quality.
Referring to figure 3., Fig. 3 is the two of the schematic diagram of wireless radio frequency circuit 100 provided by the embodiments of the present application.In this implementation
In example, the switch unit 110 includes 4 first switch ports and 4 second switch ports；The rf transmitter unit 140
It is one, rf receiver unit 130 is 4, wherein 3 rf receiver units 130 are diversity reception unit c, remaining 1 is penetrated
Collect receiving unit C based on frequency receiving unit 130；Radio-frequency antenna 120 is 4；Corresponding filter cell 160 is 3, duplexer
Unit 170 is 1.The wireless radio frequency circuit 100 is applied to 4 × 4 multiple-input and multiple-outputs (4 × 4MIMO) technology.4 × 4MIMO table
Show a kind of operating mode between base station and mobile terminal, wireless communication system is improved using more transmitting antennas and receiving antenna
The data downstream transmission rate of mobile terminal in system.Wherein, mobile terminal must support four antennas and four radio frequency reception electricity
Road.
In the embodiment of the present embodiment, each radio-frequency antenna 120 and a pair in 4 radio-frequency antennas 120
The first switch port answered is electrically connected.Wherein, at least one described radio-frequency antenna 120 in 4 radio-frequency antennas 120
It is electrically connected through a test connector 150 and the first switch port.The radio frequency being electrically connected with the test connector 150
120 quantity of antenna is less than 120 total quantity of radio-frequency antenna, that is to say, that when radio-frequency antenna 120 is 4, tests connector 150
It can be 1, or 2, or 3.Each diversity reception unit c in 4 rf receiver units 130
(including diversity reception unit c1, c2, c3 in Fig. 3) is respectively by the filter cell 160 corresponding with one described the
Two switch ports are electrically connected.Described 170 one end of Duplexer Unit and the rf transmitter unit 140 and the main collection receive single
First C is electrically connected, and the other end is electrically connected with the corresponding second switch port.
Optionally, the switch unit 110 may include that four knives, four throw switch (4P4T) or two double-pole double throw are opened
Pass or a double-point double-throw switch and two single-pole single-throw switch (SPST)s.
As shown in figure 3, the switch unit 110 is a 4P4T.Each first switch port of 4P4T and a radio-frequency antenna 120
It is electrically connected, each second switch port and a rf receiver unit 130 are electrically connected.Thus, it is only necessary to which a test connection is set
Part 150 can successively be cut 4 rf receiver units 130 and rf transmitter unit 140 by the port status of control 4T4P
It shifts at the radio-frequency antenna 120 being electrically connected with test connector 150, and then successively to rf transmitter unit 140 or each penetrates
Frequency receiving unit 130 is tested.Wherein, which may be provided at any one radio-frequency antenna 120 (for example, penetrating
Frequency antenna a1, a2 etc.) near.
For example, as shown in figure 3, radio-frequency antenna a4 is electrically connected through a test connector 150 and first switch port R4.?
When calibration or detection rf transmitter unit 140, control first switch port R4 is connected with second switch port L2, makes radio-frequency transmissions
Unit 140 is communicated to radio-frequency antenna a4；Other switch ports of 4P4T arbitrarily connect.When calibrating or detecting main collection receiving unit C,
Control first switch port R4 is connected with second switch port L2, and main collection receiving unit C is made to be communicated to radio-frequency antenna a4；4P4T its
He arbitrarily connects switch port.When calibrating or detecting diversity reception unit c1, first switch port R4 and second switch are controlled
Port L1 conducting, makes diversity reception unit c1 be communicated to radio-frequency antenna a4；Other switch ports of 4P4T arbitrarily connect.Other diversity
Receiving unit c test process is similar to same as above.
Referring to figure 4., Fig. 4 is the four of the schematic diagram of wireless radio frequency circuit 100 provided by the embodiments of the present application.In this implementation
In mode, the switch unit 110 includes 2 2P2T and 2 test connectors 150.As shown in figure 4, passing through test connector
D1 can successively measure the parameter of diversity reception unit c1, main collection receiving unit C and rf transmitter unit 140；It is connected by test
Part d2 can successively measure the parameter of diversity reception unit c2, c3.
Referring to figure 5., Fig. 5 is the five of the schematic diagram of wireless radio frequency circuit 100 provided by the embodiments of the present application.In this implementation
In mode, the switch unit 110 includes 1 3P3T, 1 SPST (single-pole single-throw switch (SPST)) and 2 test connectors 150.Such as
Shown in Fig. 5, diversity reception unit c1, c2, main collection receiving unit C and radio-frequency transmissions list can be successively measured by testing connector e1
The parameter of member 140；The parameter of diversity reception unit c3 can be measured by testing connector e2.
It is worth noting that above are only for example, the switch unit 110 can be arranged according to the actual situation.For example,
The switch unit 110 may include several SPST and at least one multi-pole, multi-throw switch or including different multi-pole, multi-throw switch
Combination only includes a multi-pole, multi-throw switch.
The embodiment of the present application also provides a kind of electronic equipment, and the electronic equipment includes the wireless radio frequency circuit 100.
The electronic equipment may be, but not limited to, smart phone, tablet computer etc..
The embodiment of the present application also provides a kind of test macro, and the test macro includes that test equipment and the electronics are set
It is standby.The electronic equipment includes the wireless radio frequency circuit 100.The switch unit 110 is used to be instructed according to port switching and control
With test connector 150 be electrically connected first switch port successively with multiple rf receiver units 130 and at least one radio frequency
The second switch port conducting that radio frequency unit to be tested in transmitting unit 140 is electrically connected.The test equipment is for passing through
The test connector 150 and the switch unit 110 and the radio frequency unit to be tested are electrically connected, described to be measured to obtain
Try the parameter of radio frequency unit.
In conclusion the embodiment of the present application provides a kind of wireless radio frequency circuit, electronic equipment and test macro.This is wirelessly penetrated
Frequency circuit includes switch unit, multiple radio-frequency antennas, multiple rf receiver units and at least one rf transmitter unit.Wherein,
The switch unit include with radio-frequency antenna be electrically connected first switch port, and with rf receiver unit or radio-frequency transmissions list
The second switch port that member is electrically connected.A part of radio-frequency antenna in multiple radio-frequency antennas pass through respectively a test connector with
One first switch port is electrically connected.The switch unit can be instructed according to port switching, control any second switch port and company
Be connected to the first switch port conducting of the test connector, with by the test connector to being connected to the second switch
The rf receiver unit and/or rf transmitter unit of port are tested.In above-mentioned setting, although only portion radio frequency antenna
It is electrically connected, but can be controlled by switch unit any by the first switch port of a test connector and switch unit respectively
The second switch port being electrically connected with rf receiver unit or rf transmitter unit is tested the first of connector and is opened with being connected with
Port conducting is closed, thus on the basis of the quantity for testing connector is less than radio-frequency antenna total quantity, using the test of setting
Connector tests arbitrary rf receiver unit and/or rf transmitter unit.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of wireless radio frequency circuit characterized by comprising switch unit, multiple radio-frequency antennas, multiple rf receiver units
And at least one rf transmitter unit；
The switch unit includes the first switch port being electrically connected with radio-frequency antenna, and with the rf receiver unit or penetrate
The second switch port that frequency transmitting unit is electrically connected；
The part radio-frequency antenna passes through a test connector respectively and the first switch port of the switch unit is electrically connected；
The switch unit is instructed according to port switching, is controlled any second switch port and is connected with the test connector
First switch port conducting, to pass through the test connector to the rf receiver unit for being connected to the second switch port
And/or rf transmitter unit is tested.
2. wireless radio frequency circuit according to claim 1, which is characterized in that the switch unit includes at least one multitool
Multithrow switch.
3. wireless radio frequency circuit according to claim 2, which is characterized in that the switch unit includes that double-pole double throw is opened
Any one of pass, three knives, three throw switch, triac device, five knives, four throw switch and any combination thereof.
4. wireless radio frequency circuit described in any one of -3 according to claim 1, which is characterized in that the wireless radio frequency circuit
It further include at least one filter cell,
It include at least one diversity reception unit in multiple rf receiver units, each diversity reception unit leads to respectively
The second switch port for crossing a filter cell and the switch unit is electrically connected, wherein the filter cell is used for
The radio frequency receiving signal of radio-frequency antenna transmission is filtered, to filter the radio frequency reception letter outside target radio frequency frequency range
Number.
5. wireless radio frequency circuit according to claim 4, which is characterized in that the wireless radio frequency circuit further includes duplexer
Unit,
It further include a main collection receiving unit in the multiple rf receiver unit；
Described Duplexer Unit one end and the main collection receiving unit and a rf transmitter unit are electrically connected, the other end and
The second switch port of the switch unit is electrically connected, and the radio frequency that the rf transmitter unit is sent sends signal and institute
State the radio frequency receiving signal isolation that radio-frequency antenna is received and transmitted.
6. wireless radio frequency circuit according to claim 5, which is characterized in that the switch unit refers to also according to antenna switching
Enable, the second switch port that control is electrically connected with the rf transmitter unit with and radio-frequency antenna electric connection it is multiple
Any one first switch port conducting in first switch port, and control be electrically connected with the diversity reception unit the
Two switch ports conducting corresponding with remaining first switch port, to realize that antenna switches.
7. wireless radio frequency circuit according to claim 5, which is characterized in that the switch unit includes 4 first switches
Port and 4 second switch ports, the rf transmitter unit are one；
The each radio-frequency antenna first switch port corresponding with one is electrically connected in 4 radio-frequency antennas, wherein
At least one described radio-frequency antenna electrically connects through a test connector with the first switch port in 4 radio-frequency antennas
It connects, the radio-frequency antenna quantity being electrically connected with the test connector is less than radio-frequency antenna total quantity；
It is corresponding with one that each diversity reception unit in 4 rf receiver units passes through a filter cell respectively
The second switch port is electrically connected；
Main collection receiving unit in described Duplexer Unit one end and the rf transmitter unit and 4 rf receiver units
It is electrically connected, the other end is electrically connected with the corresponding second switch port.
8. wireless radio frequency circuit according to claim 7, which is characterized in that the switch unit includes a four knife four-throws
Switch or two double-point double-throw switch or a double-point double-throw switch and two single-pole single-throw switch (SPST)s.
9. a kind of electronic equipment, which is characterized in that the electronic equipment includes wireless described in any one of claim 1-8
Radio circuit.
10. a kind of test macro, which is characterized in that the test macro includes test equipment and electronics as claimed in claim 9
Equipment, the switch unit be used for according to port switching instruction control with test connector be electrically connected first switch port according to
Second of radio frequency unit to be tested electric connection in secondary and multiple rf receiver units and at least one rf transmitter unit opens
Close port conducting；The test equipment is used for through the test connector and the switch unit and the radio frequency list to be tested
Member is electrically connected, to obtain the parameter of the radio frequency unit to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471470.0A CN109490757A (en) | 2018-12-04 | 2018-12-04 | Wireless radio frequency circuit, electronic equipment and test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111181539A (en) * | 2020-01-16 | 2020-05-19 | 上海闻泰电子科技有限公司 | Double-pole double-throw radio frequency switch, production test method thereof and mobile communication terminal |
| CN112532274A (en) * | 2020-12-03 | 2021-03-19 | Oppo（重庆）智能科技有限公司 | Radio frequency switch assembly and control method thereof, radio frequency test equipment and system thereof |
| CN113541829A (en) * | 2020-04-17 | 2021-10-22 | 京东方科技集团股份有限公司 | Test adapter plate, test system and test method |
| CN114244451A (en) * | 2021-12-16 | 2022-03-25 | 深圳市广和通无线股份有限公司 | Radio frequency channel test circuit, method, device and medium |
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Application publication date: 20190319 |