CN208190637U - S-band receiving unit - Google Patents
S-band receiving unit Download PDFInfo
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- CN208190637U CN208190637U CN201820499416.6U CN201820499416U CN208190637U CN 208190637 U CN208190637 U CN 208190637U CN 201820499416 U CN201820499416 U CN 201820499416U CN 208190637 U CN208190637 U CN 208190637U
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- circuit
- radio frequency
- low noise
- frequency reception
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Abstract
The utility model provides a kind of S-band receiving unit comprising power module, control module and microwave radio module, and the first substrate by being stacked (1) and the second substrate (2) form；The microwave radio module includes: the filter with low insertion loss filter circuit (14) and cascade low noise amplifier circuit (15) set on first substrate (1)；And be set to the second substrate (2) one point of four power-devided circuit (16) and the first radio frequency reception channel (9), the second radio frequency reception channel (10), third radio frequency reception channel (11), the 4th radio frequency reception channel (12), each described radio frequency reception channel include seven digit digital attenuators (17), eight-digit number word phase shifter (18) and low noise amplifier circuit (19).Therefore have miniaturization, low cost, four tunnel signal amplitude phase equalizations it is good and energy independent control characteristic.
Description
Technical field
The utility model relates to a kind of S-band integrated circuits, more particularly to a kind of four-way with phase shift attenuation function
The S-band receiving unit in road.
Background technique
Phased array antenna is more and more used in sciemtifec and technical spheres such as Modern Satellite communication, aircraft tracking, wireless communications
Or phased array technology, compared to traditional mechanical scan, phased array passes through electric scanning mode, i.e. control various components
Channel width mutually controls the direction of wave beam, and in airspace, kind can quickly carry out beam pattern scanning, to have quickly tracking mesh
Mark, the advantage of beam pattern agile.
Phased array receiving antenna front-end module is the key component of whole system, generally have hundreds and thousands of a antenna elements and
Corresponding receiving unit is constituted, therefore, harsher, the traditional " brick of volume and cost requirement of the whole system to receiving unit
The problems such as block formula " structure receiving unit volume is big, at high cost, can not track multiple targets simultaneously, most of same type components by
In lacking feed circuit completely or partially, the working condition of active part can not determine that fault detection is very difficult in real time.
Utility model content
The utility model provides a kind of S-band receiving unit in view of the above shortcomings of the prior art, has and minimizes, is low
The advantages of cost and four tunnel signal amplitude phase equalizations are good and can independent control.
To realize the above-mentioned technical purpose, S-band receiving unit provided by the utility model is characterized in that: including power supply mould
Block, control module and microwave radio module, and first substrate and the second substrate by being stacked form；The microwave radio mould
Block includes: the filter with low insertion loss filter circuit and cascade low noise amplifier circuit set on first substrate；And set on the one of the second substrate
Divide four power-devided circuits and the first radio frequency reception channel, the second radio frequency reception channel, third radio frequency reception channel, the 4th radio frequency reception
Channel, each described radio frequency reception channel include digital pad, digital phase shifter and low noise amplifier circuit.
In above-mentioned S-band receiving unit, it is preferred that the power module includes regulated power supply conversion circuit, temperature
Spend detection circuit, abnormity of power supply read back circuit and power switch circuit；The control module includes to the digital phase shifter
The digital control circuit controlled with the digital pad.
In above-mentioned S-band receiving unit, it is preferred that set on the filter with low insertion loss filter circuit of the first substrate
It is the common circuit that four radio frequency reception channels share with the cascade low noise amplifier circuit；Set on the second substrate
One point of four power-devided circuit be connected respectively with four road independent circuits, so that the radio frequency that have passed through the common circuit be connect
The collection of letters quartering forms four tunnels and receives signal and export；Radio frequency receiving signal from SMP rf inputs is successively transmitted to
The filter with low insertion loss filter circuit, the cascade low noise amplifier circuit, one point of four power-devided circuit, the digital pad,
The digital phase shifter and the low noise amplifier circuit, and exported by SMP radio frequency connector.
In above-mentioned S-band receiving unit, it is preferred that the abnormity of power supply read back circuit respectively with penetrated described in four
Frequency receiving channel is connected, thus radio frequency reception channel described in real-time detection whether operation irregularity；The temperature sensing circuit with
The cascade low noise amplifier circuit is connected, to detect to the temperature of the cascade low noise amplifier circuit；The electricity
Source switching circuit is connected with the cascade low noise amplifier circuit, based on the temperature detected, the power switch electricity
Road is so that the mode that the temperature is no more than regulation operating temperature carries out on/off to the cascade low noise amplifier circuit
Control.
In above-mentioned S-band receiving unit, it is preferred that each described digital phase shifter and each described number
Attenuator is all connected with the digital control circuit, and respective working condition is all controlled by the digital control circuit, the number
Whether working condition described in word phase shifter readback is accurate with the phase shift for detecting the digital phase shifter.
Utility model effect
The utility model is fully integrated in same component by multiple functions, and two pieces of substrates use the side of upper and lower vertical stack
Formula can effectively reduce using size, realize miniaturization.It is internal connection, partial power between power circuit and control circuit
DC-DC conversion, and same integrated management are carried out in inside, external power supply is greatly reduced and uses interface requirements, reduced processing
Cost and the complexity for designing processing link.
Moreover, the utility model is using shared low-loss filtering compared with the prior art generally uses single channel to design
Circuit, Cascaded amplification circuit, and four autonomous channels are formed by one point of four power-devided circuit, make four-way common portion in this way
Parallel circuit can be realized the miniaturization of component and cost effective.Moreover, also having four tunnel signal amplitude phase equalizations good and energy
The advantages of independent control.
In addition, in the utility model, phase controlling, adjustable attenuation, the amplifier status control selections silicon substrate in each channel
The CMOS of technique realizes, it is high using CMOS integrated level, can the advantage of digital-to-analogue hybrid integrated realize the miniaturization of component.Meanwhile
Using feed circuit, the status information of each chip circuit of component is monitored in real time, so that it is had self-checking function, to improve
Use reliability.
Detailed description of the invention
Fig. 1 is the logic diagram of the utility model.
Fig. 2 is the control and power supply connection figure of the utility model.
Description of symbols
1 first substrate；2 the second substrates；3 first substrate power modules；
The power module interconnected in 4 the second substrates with first substrate power module 3；
5 component general supply modules；6 temperature return path signals；
7 Cascaded amplification circuit power supply circuits and power switch circuit；
8 digital signal feedback circuits and abnormity of power supply read back circuit；9 first radio frequency reception channels；
10 second radio frequency reception channels；11 third radio frequency reception channels；
12 the 4th radio frequency reception channels；13SMP rf inputs；14 filter circuits；
15 Cascaded amplification circuits；16 1 point of four power-devided circuit；17 digital pads；
18 digital phase shifters；19 low noise amplifier circuits；20SMP radio frequency connector；
The power supply circuit and digital control circuit of 21 4 paths.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawing.
Referring to Fig.1, the multi-functional S-band receiving unit of the utility model is by the first substrate 1 being stacked and second
Substrate 2 forms.It is equipped with filter with low insertion loss filter circuit 14 and cascade low noise amplifier circuit 15 on first substrate 1.In the second substrate 2
It is equipped with one point of four power-devided circuit 16 and the first radio frequency reception channel 9, the second radio frequency reception channel 10, third radio frequency reception channel
11, the 4th radio frequency reception channel 12, each described radio frequency reception channel include that (such as seven bit digitals decline digital pad 17
Subtract device), digital phase shifter 18 (such as eight-digit number word phase shifter) and low noise amplifier circuit 19, low noise amplifier circuit 19 and make
It is connected for the SMP radio frequency connector 20 of signal output end.
External input signal after filter circuit 14 is filtered small signal, is sent into grade from SMP rf inputs 13
Join amplifying circuit 15 and power amplification is carried out to small signal, is sent into one point of four power-devided circuit 16 and connects the input after filter and amplification all the way
It collects mail and number carries out a quartering, form four road signals and be respectively fed to the first radio frequency reception channel 9, the second radio frequency reception channel 10, the
In three radio frequency reception channels 11, the 4th radio frequency reception channel 12.In each radio frequency reception channel, signal successively passes through digital attenuation
Device 17 (such as seven digit digital attenuators), digital phase shifter 18 (such as eight-digit number word phase shifter) carry out width mutually independent control to signal
System finally carries out power amplification to signal by low noise amplifier circuit, is respectively outputted in four SMP radio frequency connectors 20,
It forms four tunnels and receives signal output.
Referring to Fig. 2, is inputted by external wave control plate power supply+5V and digital signal, exported respectively after power module of voltage regulation 5
The DC voltage of+5V, the DC voltage of+2.5V and digital signal, after the conversion of power module 4 and power module 3 respectively
Supply four tunnel radio frequency reception channels 9,10,11,12 and Cascaded amplification circuit 15.Meanwhile four tunnel radio frequency reception channel and cascade put
The temperature return path signal and abnormity of power supply read back waveform of big circuit are sent into for example external wave control plate by feed circuit, complete entire
The normal power supply of component and the monitoring of working condition.Specifically, as shown in Fig. 2, abnormity of power supply read back circuit 8 respectively with four
Radio frequency reception channel 9,10,11,12 is connected, thus real-time detection radio frequency reception channel whether operation irregularity.Temperature detection electricity
Road (not shown) is connected with cascade low noise amplifier circuit 15, to examine to the temperature of cascade low noise amplifier circuit 15
It surveys.Power switch circuit 7 is connected with the cascade low noise amplifier circuit 15, based on the temperature detected, power switch electricity
Road 7 carries out on/off control to cascade low noise amplifier circuit 15 under the control of for example external wave control plate, to ensure temperature
It will not overheat.In addition, each digital phase shifter 18 and each digital pad 17 are all connected with digital control circuit, respective work shape
State is all controlled by the digital control circuit.And digital phase shifter 18 can readback its working condition, so as to detect phase shift
It is whether accurate.
In the utility model, the phase controlling in each channel, adjustable attenuation, amplifier status control selections silicon-based technology
CMOS realizes, it is high using CMOS integrated level, can the advantage of digital-to-analogue hybrid integrated realize the miniaturization of component.
Specific embodiment of the utility model is illustrated above, but the embodiment is for the guarantor of the utility model
Shield range does not constitute a limitation simultaneously.Those skilled in the art should know, various changes of above-described embodiment be also included within it is practical
In novel protection scope.
Claims (5)
1. a kind of S-band receiving unit, which is characterized in that
Including power module, control module and microwave radio module, and the first substrate by being stacked (1) and the second substrate
(2) it forms；
The microwave radio module includes: the filter with low insertion loss filter circuit (14) and cascade low noise amplification set on first substrate (1)
Circuit (15)；And it is set to one point of four power-devided circuit (16) of the second substrate (2) and the first radio frequency reception channel (9), second penetrates
Frequency receiving channel (10), third radio frequency reception channel (11), the 4th radio frequency reception channel (12), each described radio frequency reception are logical
Road includes digital pad (17), digital phase shifter (18) and low noise amplifier circuit (19).
2. S-band receiving unit according to claim 1, which is characterized in that
The power module includes regulated power supply conversion circuit, temperature sensing circuit, abnormity of power supply read back circuit (8), Yi Ji electricity
Source switching circuit (7)；
The control module includes the digital control circuit controlled the digital phase shifter and the digital pad.
3. S-band receiving unit according to claim 1, which is characterized in that
It is four set on the filter with low insertion loss filter circuit (14) of the first substrate and the cascade low noise amplifier circuit (15)
The shared common circuit of a radio frequency reception channel；Set on one point of four power-devided circuit (16) difference of the second substrate
It is connected with four road independent circuits, so that the radio frequency receiving signal quartering that will have passed through the common circuit, forms four tunnels and connect
Collect mail number and export；
Radio frequency receiving signal from rf inputs (13) is successively transmitted to the filter with low insertion loss filter circuit (14), the cascade
Low noise amplifier circuit (15), one point of four power-devided circuit (16), the digital pad (17), the digital phase shifter
(18) and the low noise amplifier circuit (19) it, and by radio frequency connector (20) exports.
4. S-band receiving unit according to claim 2, which is characterized in that
The abnormity of power supply read back circuit (8) is connected with four radio frequency reception channels respectively, thus described in real-time detection
Radio frequency reception channel whether operation irregularity；
The temperature sensing circuit is connected with the cascade low noise amplifier circuit (15), thus to the cascade low noise amplification
The temperature of circuit (15) is detected；
The power switch circuit (7) is connected with the cascade low noise amplifier circuit (15), based on the temperature detected
Degree, the power switch circuit (7) is so that the temperature is no more than the mode of regulation operating temperature to the cascade low noise
Amplifying circuit (15) carries out on/off control.
5. S-band receiving unit according to claim 1, which is characterized in that
Each described digital phase shifter (18) and each described digital pad (17) and the digital control circuit phase
Even, respective working condition is all controlled by the digital control circuit, working condition described in digital phase shifter (18) readback
It is whether accurate with the phase shift for detecting the digital phase shifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499416.6U CN208190637U (en) | 2018-04-10 | 2018-04-10 | S-band receiving unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499416.6U CN208190637U (en) | 2018-04-10 | 2018-04-10 | S-band receiving unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208190637U true CN208190637U (en) | 2018-12-04 |
Family
ID=64436434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820499416.6U Active CN208190637U (en) | 2018-04-10 | 2018-04-10 | S-band receiving unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208190637U (en) |
-
2018
- 2018-04-10 CN CN201820499416.6U patent/CN208190637U/en active Active
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