CN208623652U - A kind of eight channel receiver of Ku wave band - Google Patents
A kind of eight channel receiver of Ku wave band Download PDFInfo
- Publication number
- CN208623652U CN208623652U CN201821092917.9U CN201821092917U CN208623652U CN 208623652 U CN208623652 U CN 208623652U CN 201821092917 U CN201821092917 U CN 201821092917U CN 208623652 U CN208623652 U CN 208623652U
- Authority
- CN
- China
- Prior art keywords
- local oscillator
- devided circuit
- cavity
- plate face
- oscillator power
- 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
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
The utility model discloses a kind of eight channel receivers of Ku wave band, including shell, the independent receives link of composition is connect with receiving channel respectively in the intracorporal antenna of shell, LO1 local oscillator power-devided circuit, LO2 local oscillator power-devided circuit, the shell is along its positive plate face to being divided into three layers of cavity between the plate face of the back side, separated between adjacent cavities using ripple pearl, the LO1 local oscillator power-devided circuit is positioned close in the cavity of positive plate face, and LO2 local oscillator power-devided circuit is positioned close in the cavity of back side plate face；It further include that multiple installations arranged side by side divide chamber, each installation divides chamber through three layers of cavity, and a receiving channel setting is intracavitary in an installation point.The utility model solve Ku band radar receiver number of channels it is more when, reliability is poor between channel, the higher problem of later period debugging difficulty；Radio frequency link is optimized simultaneously, the consistency between receiver channel is ensure that, reduces the volume of receiver.
Description
Technical field
The utility model relates to radar signal communication fields, and in particular to a kind of eight channel receiver of Ku wave band.
Background technique
Radar receiver is the important component of radar system, it can amplify and handle the received faint letter of antenna
Number.With advances in technology with the aggravation of military confrontation, to the broadband of radar system, port number, reliability and anti-interference energy
The performances such as power propose higher, harsher requirement.Ku band radar has positioning accuracy high, is not easily susceptible to interfere, antenna opening
The advantages that diameter is small, is easily installed, is usually used in guidance radar and spaceborne radar.And high-performance, miniaturization and system stability are natural
Become the important research direction of Ku band radar receiver.
Utility model content
The purpose of this utility model is to provide a kind of eight channel receivers of Ku wave band, solve Ku band radar receiver
When number of channels is more, reliability is poor between channel, the higher problem of later period debugging difficulty；Rf chain is optimized simultaneously
Road ensure that the consistency between receiver channel, reduce the volume of receiver.
The utility model is achieved through the following technical solutions:
A kind of eight channel receiver of Ku wave band, including shell, be provided in shell mutiple antennas, receiving channel and
LO1 local oscillator power-devided circuit, LO2 local oscillator power-devided circuit, power supply and control chip, antenna, LO1 local oscillator power-devided circuit, LO2 local oscillator function
Parallel circuit connect the independent receives link of composition with receiving channel respectively, and the shell is along its positive plate face between the plate face of the back side
It is divided into three layers of cavity, is separated between adjacent cavities using ripple pearl, the LO1 local oscillator power-devided circuit is positioned close to positive plate face
In cavity, LO2 local oscillator power-devided circuit is positioned close in the cavity of back side plate face, and power supply and the setting of control chip are in middle layer sky
In chamber；It further include that multiple installations arranged side by side divide chamber, each installation divides chamber through three layers of cavity, and a receiving channel setting exists
One installation it is point intracavitary and respectively with the positive plate face of shell and backplate face contact.
Existing receiver is included multiple devices and is merged in a cavity using the soft cable of tradition and insulator, inside
Layout is more random, and adjacent reception is easy to produce signal interference between channel；And when internal receipt number of channels increases, inside
Layout is more in disorder, and the volume of required receiver is larger, and later period debugging difficulty is increased.Against the above technical problems, this reality
It is improved with the novel structure to existing receiver, first using the design of three layers of airborne layout, is used between chamber and chamber
Ripple pearl connection, improves reliability, but also interior layout is more clear；Then each receiving channel and antenna, LO1 local oscillator function
Separated links composed by parallel circuit, LO2 local oscillator power-devided circuit is mounted on the installation being independently arranged side by side and divides in chamber, i.e., antenna connects
The radiofrequency signal received carries out secondary mixing in receiving channel, with two local oscillation signals, exports the intermediate-freuqncy signal met the requirements,
Can be effectively isolated between receiving channel each in this way, be shielded, avoid harassing for radiofrequency signal, improve interchannel every
From degree, the coherence request between channel is also ensured, the clarity of receiver interior layout is further improved, after reducing
The difficulty of phase debugging facilitates the volume for reducing receiver.
Preferably, the quantity of receives link is 8.
Specifically, every receives link includes the coupler being sequentially connected electrically, limiter, low-noise amplifier, pre-selection filter
Wave device, secondary mixing component, intermediate frequency amplifier, intermediate-frequency filter, the antenna are connect with coupler, LO1 local oscillator power-devided circuit,
LO2 local oscillator power-devided circuit is connect with secondary mixing component.The Ku waveband radio frequency signal of the antenna input of the utility model, passes through
Coupler, limiter make small signal is low-loss to pass through, and pass through after big signal limiter；Signal after clipping, is amplified by amplifier
To suitable level, interference and noise are filtered out by filter；Then secondary mixing, the intermediate frequency needed are carried out with local oscillation signal
Signal exports the intermediate-freuqncy signal met the requirements after intermediate frequency amplification, filtering.
The coupler, limiter, low-noise amplifier, preselection filter, secondary mixing component, intermediate frequency amplifier, in
Frequency filter is integrated on one piece of core plate.The utility model abandons traditional surface mounting component, uses chip and designs, fortune
Functional chip is connected with Micro-package technique, makes a kind of eight channel receiver of Ku wave band that there is higher reliability, can answer
Property processed, smaller size and better performance.
Preferably, calibration power-devided circuit, the input of the calibration power-devided circuit and receiving channel are additionally provided in shell
End connection.
Preferably, the calibration power-devided circuit is arranged in the middle layer cavity of shell.
The utility model compared with prior art, has the following advantages and benefits:
1, a kind of eight channel receiver of Ku wave band of the utility model, using the design of three layers of airborne layout, between chamber and chamber
It is connected using ripple pearl, improves reliability, but also interior layout is more clear；Then each receiving channel and antenna, LO1 sheet
Separated links composed by vibration power-devided circuit, LO2 local oscillator power-devided circuit is mounted on the installation being independently arranged side by side and divides in chamber, in this way
It can be effectively isolated between each receiving channel, be shielded, avoid harassing for radiofrequency signal, improve the isolation of interchannel
Degree, also ensures the coherence request between channel, further improves the clarity of receiver interior layout, reduce the later period
The difficulty of debugging facilitates the volume for reducing receiver；
2, a kind of eight channel receiver of Ku wave band of the utility model, abandons traditional surface mounting component, uses chip
Design, connects functional chip with Micro-package technique, has a kind of eight channel receiver of Ku wave band higher reliable
Property, reproducibility, smaller size and better performance；
3, a kind of eight channel receiver of Ku wave band of the utility model, by calibrating the setting of power-devided circuit, so that each connecing
Receiving channel all has calibration function.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the schematic diagram of the section structure of the utility model shell；
Fig. 2 is structural schematic diagram of the utility model close to the cavity of positive plate face；
Fig. 3 is the structural schematic diagram of the utility model middle layer cavity；
Fig. 4 is structural schematic diagram of the utility model close to the cavity of back side plate face；
Fig. 5 is the general principles structural schematic diagram of the utility model；
Fig. 6 is the electrical block diagram of the utility model receives link.
Label and corresponding parts title in attached drawing:
1- shell, 2- antenna, 3- receiving channel, 4-LO1 local oscillator power-devided circuit, 5-LO2 local oscillator power-devided circuit, 6- power supply and
Control chip, the front 7- plate face, the back side 8- plate face, 9- cavity, 10- ripple pearl, 12- calibration power-devided circuit.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Fig. 1~5, a kind of eight channel receiver of Ku wave band of the utility model, including shell 1, it is arranged in shell 1
There are mutiple antennas 2, receiving channel 3 and LO1 local oscillator power-devided circuit 4, LO2 local oscillator power-devided circuit 5, power supply and control chip 6, day
Line 2, LO1 local oscillator power-devided circuit 4, LO2 local oscillator power-devided circuit 5 connect the independent receives link of composition, institute with receiving channel 3 respectively
Shell 1 is stated along its positive plate face 7 to three layers of cavity 9 are divided between back side plate face 8, is separated between adjacent cavities 9 using ripple pearl 10,
The LO1 local oscillator power-devided circuit 4 is positioned close in the cavity 9 of positive plate face 7, and LO2 local oscillator power-devided circuit 5 is positioned close to carry on the back
In the cavity 9 of panel 8, power supply and control chip 6 are arranged in middle layer cavity 9；It further include multiple installations arranged side by side
Point chamber, each installation divide chamber 11 through three layers of cavity 9, a setting of receiving channel 3 it is intracavitary in an installation point and respectively with shell
The positive plate face 7 and back side plate face 8 of body 1 contact.The quantity of receives link is 8.Ripple pearl 10 used by the utility model is
Separator common to those skilled in the art, is divided into band flange and two kinds not flanged (FLGD), the utility model use here without
The ripple pearl 10 of flange.Above-mentioned receiver is by three layers of points of chambers and rational deployment, using Micro-package technique the function of receiver
Chip and passive filter have been integrated in the cavity of very little, while the volume for reducing receiver, improve receiver
Reliability, realize the miniaturization of module, reduce later period debugging difficulty.By to a kind of eight channel receiver of Ku wave band
Debugging and experiment, which meets complete machine real requirement.
Embodiment 2
As shown in fig. 6, on the basis of embodiment 1, every receives link includes the coupler being sequentially connected electrically, clipping
Device, low-noise amplifier, preselection filter, secondary mixing component, intermediate frequency amplifier, intermediate-frequency filter, the antenna 2 with couple
Device connection, LO1 local oscillator power-devided circuit 4, LO2 local oscillator power-devided circuit 5 are connect with secondary mixing component.The coupler, clipping
Device, low-noise amplifier, preselection filter, secondary mixing component, intermediate frequency amplifier, intermediate-frequency filter are integrated in one piece of core plate
On.The design of the utility model chip, significantly reduces the uncertain factors such as receiver short circuit, rosin joint, improves module
Reliability and reproducibility.
Embodiment 3
As shown in Fig. 1,3,5, on the basis of embodiment 1, calibration power-devided circuit 12 is additionally provided in shell 1, it is described
Calibration power-devided circuit is connect with coupler.The calibration power-devided circuit 12 is arranged in the middle layer cavity 9 of shell 1.Need school
On time, pass through coupler coupling input receiving channel by the calibration signal of function point.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of eight channel receiver of Ku wave band, including shell (1) are provided with mutiple antennas (2) in shell (1), receive and lead to
Road (3) and LO1 local oscillator power-devided circuit (4), LO2 local oscillator power-devided circuit (5), power supply and control chip (6), which is characterized in that
It is independent that antenna (2), LO1 local oscillator power-devided circuit (4), LO2 local oscillator power-devided circuit (5) connect composition with receiving channel (3) respectively
Receives link, the shell (1) is along its positive plate face (7) to being divided into three layers of cavity (9), adjacent cavities between back side plate face (8)
(9) separated between using ripple pearl (10), the LO1 local oscillator power-devided circuit (4) is positioned close to the cavity (9) of positive plate face (7)
In, LO2 local oscillator power-devided circuit (5) is positioned close in the cavity (9) of back side plate face (8), and power supply and control chip (6) setting exist
In middle layer cavity (9)；It further include that multiple installations arranged side by side divide chamber, each installation divides chamber (11) to run through three layers of cavity (9),
The setting of one receiving channel (3) it is intracavitary in an installation point and respectively with the positive plate face (7) of shell (1) and back side plate face (8)
Contact.
2. a kind of eight channel receiver of Ku wave band according to claim 1, which is characterized in that the quantity of receives link is 8
Item.
3. a kind of eight channel receiver of Ku wave band according to claim 1, which is characterized in that every receives link include according to
Coupler, limiter, low-noise amplifier, preselection filter, secondary mixing component, the intermediate frequency amplifier, intermediate frequency of secondary electrical connection
Filter, the antenna (2) connect with coupler, LO1 local oscillator power-devided circuit (4), LO2 local oscillator power-devided circuit (5) with it is secondary
Mixer assembly connection.
4. a kind of eight channel receiver of Ku wave band according to claim 3, which is characterized in that the coupler, limiter,
Low-noise amplifier, preselection filter, secondary mixing component, intermediate frequency amplifier, intermediate-frequency filter are integrated on one piece of core plate.
5. a kind of eight channel receiver of Ku wave band according to claim 1, which is characterized in that also set up in shell (1)
Have calibration power-devided circuit (12), calibration power-devided circuit (12) connect with the input terminal of receiving channel (3).
6. a kind of eight channel receiver of Ku wave band according to claim 5, which is characterized in that the calibration power-devided circuit
(12) it is arranged in the middle layer cavity (9) of shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092917.9U CN208623652U (en) | 2018-07-10 | 2018-07-10 | A kind of eight channel receiver of Ku wave band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821092917.9U CN208623652U (en) | 2018-07-10 | 2018-07-10 | A kind of eight channel receiver of Ku wave band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208623652U true CN208623652U (en) | 2019-03-19 |
Family
ID=65705308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821092917.9U Active CN208623652U (en) | 2018-07-10 | 2018-07-10 | A kind of eight channel receiver of Ku wave band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208623652U (en) |
-
2018
- 2018-07-10 CN CN201821092917.9U patent/CN208623652U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9325050B2 (en) | Compact microstrip to waveguide dual coupler transition with a transition probe and first and second coupler probes | |
| WO2021031771A1 (en) | Radio frequency front-end circuit and mobile terminal | |
| CN104215936A (en) | Eight-unit T/R (transmitting/receiving) basic module with function of S-band multi-beam transceiving duplexing | |
| US9525450B2 (en) | Transceiver arrangement | |
| CN109861708A (en) | A kind of eight channel receiver of Ku wave band of subminaturization high-isolation | |
| CN206164476U (en) | Ultra wide band millimeter wave down coversion system | |
| WO2021258855A1 (en) | Radio-frequency pa mid device, radio-frequency system and communication device | |
| CN109921820A (en) | Terahertz is same to receive and dispatch full duplex communication system | |
| CN104090268A (en) | Fold-back type microwave component based on real time delay technology | |
| CN210628460U (en) | Duplexer and communication equipment | |
| CN210604971U (en) | Front-end system of flat plate type dual-band detector | |
| CN210243527U (en) | Multichannel V wave band radiometer receiver | |
| CN208623652U (en) | A kind of eight channel receiver of Ku wave band | |
| Tadayon et al. | A Wide-Angle Scanning Phased Array Antenna with Non-Reciprocal Butler Matrix Beamforming Network | |
| CN210323204U (en) | Multichannel K wave band radiometer receiver | |
| CN205670770U (en) | A kind of K-band high performance microwave transceiving chip | |
| CN110739517B (en) | One-to-three single-ended-balanced microwave filtering power distribution system | |
| US20180248240A1 (en) | Compact antenna feeder with dual polarization | |
| CN114188689A (en) | Broadband receiving and transmitting shared coaxial waveguide duplexer | |
| CN110601705B (en) | Phased array multi-beam radio frequency receiving assembly | |
| CN100546211C (en) | The radio-frequency front-end match circuit | |
| CN206922743U (en) | Integrated Ka wave band antennas front end | |
| KR200387688Y1 (en) | Wide-band directional coupler | |
| KR20020010932A (en) | Vehicle antenna system for multiple vehicle electronic components | |
| CN216248804U (en) | Quick response high isolation program control matrix switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |