CN209514050U - The channel of super-small transmitting-receiving subassembly couples calibrating installation - Google Patents
The channel of super-small transmitting-receiving subassembly couples calibrating installation Download PDFInfo
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- CN209514050U CN209514050U CN201822256188.2U CN201822256188U CN209514050U CN 209514050 U CN209514050 U CN 209514050U CN 201822256188 U CN201822256188 U CN 201822256188U CN 209514050 U CN209514050 U CN 209514050U
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Abstract
The utility model provides a kind of channel coupling calibrating installation of super-small transmitting-receiving subassembly, the side of printed board upper surface is divided into multiple radio-frequency channels by several parallel channel partition walls, concatenates numerical-control attenuator, digital phase shifter, serioparallel exchange, power amplifier and coupler in each radio-frequency channel；The coupling calibration radiofrequency signal microstrip line for connecting coupler output calibrates radiofrequency signal through-hole by the coupling of perforation printed board upper and lower surface and introduces printed board lower surface；It is provided with groove in the box body metallic walls of super-small transmitting-receiving subassembly, for placing coupling calibration radiofrequency signal microstrip line.The utility model improves the purity of transmitting-receiving subassembly output radiofrequency signal；Box body divides chamber to design without multilayer, save the cost；The transmission of coupling calibration radiofrequency signal does not have to the laterally and thickness direction size for occupying component；Design method is simple, easy to assembly, efficiently solves the channel coupling calibration requirements of super-small transmitting-receiving subassembly.
Description
Technical field
The present invention relates to a kind of channels to couple collimation technique, for extra small interchannel away from (1/5 wave of maximum operating frequency
Long, the interchannels of traditional components is away from being greater than 1/2 wavelength) require under, the coupling in ultra-thin extra small transmitting-receiving subassembly channel is calibrated.
Background technique
In recent years, with the development of antenna technology, the application of dual polarization ultra wide band array antenna is more and more closed
Note.In order to ensure the synthesization demand of electronic information, it is desirable that array antenna has the characteristic of ultra wide band, and array antenna is most
High working frequency determine radio-frequency front-end transmitting-receiving subassembly interchannel away from；In order to realize that radar system is multi-functional, it is desirable that array antenna
For dual polarization, dual polarization characteristic make transmitting-receiving subassembly thickness and interchannel away from for former single polarization array antenna interchannel away from one
Half.In addition, the poor efficiency of emitting module causes emitting module there are radiating requirements, i.e., the transmitting-receiving subassembly thickness of face battle array radar is wanted
Much smaller than emitting module interchannel away from.The calibration function of face battle array radar is the necessary condition for guaranteeing radio-frequency front-end work, internal calibration
System needs transmitting-receiving subassembly channel to have coupling calibration function.The coupling calibration in traditional transmitting-receiving subassembly channel is the print in channel
A strip line is walked among making sheet to complete coupling calibration function, in order to guarantee the continuity on strip line upper and lower surface ground, channel
Inside at least to reserve cannot walk any signal wire and telltale hole in the range of 5 band-like line widths, but double polarization array antenna
Transmitting-receiving subassembly interchannel away from especially small (1/5 wavelength of maximum operating frequency)；Or be layered by the cavity of transmitting-receiving subassembly, it will
Coupling calibration signal guides to the back side of transmitting-receiving subassembly by wall insulator, and coupling calibration is designed with the micro-strip plate at the box body back side
Radiofrequency signal, but the transmitting-receiving subassembly box body of double polarization array antenna is extremely thin, is unable to satisfy the demand of dual chamber.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of channel coupling calibration cartridge of super-small transmitting-receiving subassembly
It sets, the coupled RF signal of printed board top layer is transformed into printed board bottom using metal aperture, transmit and couple in printed board bottom
Radiofrequency signal；It is slotted using transmitting-receiving subassembly box body bottom cover plate, ensures effective transmission of printed board bottom coupled RF signal, energy
Enough under 1/5 wavelength channel spacing condition of maximum operating frequency, the channel of transmitting-receiving subassembly couples calibration.
The technical solution adopted by the present invention to solve the technical problems is: a kind of channel coupling of super-small transmitting-receiving subassembly
Calibrating installation, including radio-frequency channel, numerical-control attenuator, digital phase shifter, serioparallel exchange, channel partition wall, power amplifier, coupler and coupling
Close calibration radiofrequency signal microstrip line；The side of printed board upper surface is divided into multiple radio frequencies and led to by several parallel channel partition walls
Road concatenates numerical-control attenuator, digital phase shifter, serioparallel exchange, power amplifier and coupler in each radio-frequency channel；It is defeated to connect coupler
The coupling calibration radiofrequency signal microstrip line of outlet is calibrated radiofrequency signal through-hole by the coupling of perforation printed board upper and lower surface and is introduced
Printed board lower surface；It is provided with groove in the box body metallic walls of super-small transmitting-receiving subassembly, for placing coupling calibration radiofrequency signal
Microstrip line.
The beneficial effects of the present invention are:
Traditional transmitting-receiving subassembly walks a strip line among the printed board in channel to complete coupling calibration function, needs to account for
The method can not be used with the passage aisle spacing of the longitudinal size of 5 band-like line widths, super-small transmitting-receiving subassembly；Traditional point
Coupling calibration signal is guided to back side cavity by wall insulator, overleaf cavity design coupling calibration by cavate transmitting-receiving subassembly
Microstrip line, and the box body thickness of the transmitting-receiving subassembly of double polarization array antenna is extremely thin, is unable to complete the design of dual chamber.This hair
It is bright that the coupled RF signal of printed board top layer is transformed into printed board bottom using metal aperture, it is complete in the underlying dielectric plate of printed board
At the transmission of coupled RF signal；It is slotted using transmitting-receiving subassembly box body bottom cover plate, ensures printed board bottom coupled RF signal
Transmission.The present invention has following advantage:
(1) crosstalk for reducing channel radio frequency signal and coupled RF signal improves the pure of transmitting-receiving subassembly output radiofrequency signal
Degree；
(2) the underlying dielectric plate of component printed board is made full use of to design coupled RF signal, box body divides chamber to set without multilayer
Meter, save the cost；
(3) transmission of coupling calibration radiofrequency signal does not have to the laterally and thickness direction size for occupying component；
(4) design method is simple, easy to assembly, and the channel coupling calibration for efficiently solving super-small transmitting-receiving subassembly needs
It asks.
Detailed description of the invention
Fig. 1 is the channel front schematic view of super-small transmitting-receiving subassembly；
Fig. 2 is super-small transmitting-receiving subassembly printed board wiring underlayer schematic diagram；
Fig. 3 is super-small transmitting-receiving subassembly the bottom plate of the box body schematic diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
As shown in Figure 1, the front of the super-small transmitting-receiving subassembly printed board of the present embodiment includes that radio-frequency channel 1, numerical control decline
Subtract device+digital phase shifter+serioparallel exchange 2, channel partition wall 3, power amplifier 4, coupler 5, coupling calibration radiofrequency signal 6, coupling calibration
Radiofrequency signal through-hole 7, coupling calibration power splitter 8, coupling calibration radiofrequency signal delivery outlet 9；Several parallel channel partition walls will print
The positive side of making sheet is divided into multiple radio-frequency channels, and numerical-control attenuator, digital phase shifter, string are concatenated in each radio-frequency channel simultaneously
Conversion, power amplifier and coupler；The coupling calibration radiofrequency signal microstrip line of coupler output is connected by penetrating through printed board or more
The coupling calibration radiofrequency signal through-hole on surface introduces printed board bottom.
As shown in Fig. 2, the super-small transmitting-receiving subassembly printed board wiring underlayer of the present embodiment includes component printed board bottom
1, coupling calibration radiofrequency signal microstrip line 2, coupling calibration radiofrequency signal through-hole 3；The present invention utilizes metal aperture by printed board top layer
Coupled RF signal be transformed into printed board bottom, transmit coupled RF signal in printed board bottom, no longer active channel is vertical
To size, the underlying dielectric plate of printed board is only used to design coupled RF signal, can guarantee to be used for transmission coupled RF signal
The corresponding ground of microstrip line continuity, while also can solve the crosstalk between coupled RF signal and radiofrequency signal, be conducive to
Improve the purity of transmitting-receiving subassembly output radiofrequency signal.
As shown in figure 3, the super-small transmitting-receiving subassembly the bottom plate of the box body of the present embodiment includes transmitting-receiving subassembly the bottom plate of the box body 1, receives
Groove 3 in hair component box body metallic walls 2, transmitting-receiving subassembly the bottom plate of the box body.The present invention is opened using transmitting-receiving subassembly box body bottom cover plate
Slot ensures the transmission of printed board bottom coupled RF signal, and the underlying dielectric plate for efficiently using former printed board designs microstrip line, no
With individually designed coupled RF signal printed board, save the cost；In addition box body only avoids coupled RF signal with bottom slot, no
Cavity-separating design need to be carried out box body, and box body bottom cover plate integrated can process, and not have to individually processing bottom box body cover board.
Claims (1)
1. a kind of channel of super-small transmitting-receiving subassembly couples calibrating installation, including radio-frequency channel, numerical-control attenuator, numerical control phase shift
Device, serioparallel exchange, channel partition wall, power amplifier, coupler and coupling calibration radiofrequency signal microstrip line, it is characterised in that:
The side of printed board upper surface is divided into multiple radio-frequency channels by several parallel channel partition walls, is gone here and there in each radio-frequency channel
Connect numerical-control attenuator, digital phase shifter, serioparallel exchange, power amplifier and coupler；Radio frequency is calibrated in the coupling for connecting coupler output
Signal microstrip line calibrates radiofrequency signal through-hole by the coupling of perforation printed board upper and lower surface and introduces printed board lower surface；Extra small ruler
It is provided with groove in the box body metallic walls of very little transmitting-receiving subassembly, for placing coupling calibration radiofrequency signal microstrip line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256188.2U CN209514050U (en) | 2018-12-29 | 2018-12-29 | The channel of super-small transmitting-receiving subassembly couples calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256188.2U CN209514050U (en) | 2018-12-29 | 2018-12-29 | The channel of super-small transmitting-receiving subassembly couples calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514050U true CN209514050U (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822256188.2U Active CN209514050U (en) | 2018-12-29 | 2018-12-29 | The channel of super-small transmitting-receiving subassembly couples calibrating installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911836A (en) * | 2019-12-23 | 2020-03-24 | 航天南湖电子信息技术股份有限公司 | X-waveband digital phased array distributed sub-array T/R component feed circuit |
-
2018
- 2018-12-29 CN CN201822256188.2U patent/CN209514050U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911836A (en) * | 2019-12-23 | 2020-03-24 | 航天南湖电子信息技术股份有限公司 | X-waveband digital phased array distributed sub-array T/R component feed circuit |
| CN110911836B (en) * | 2019-12-23 | 2021-10-26 | 航天南湖电子信息技术股份有限公司 | X-waveband digital phased array distributed sub-array T/R component feed circuit |
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