CN203057140U - Secondary radar integrated transceiver for air traffic control - Google Patents
Secondary radar integrated transceiver for air traffic control Download PDFInfo
- Publication number
- CN203057140U CN203057140U CN2012207350784U CN201220735078U CN203057140U CN 203057140 U CN203057140 U CN 203057140U CN 2012207350784 U CN2012207350784 U CN 2012207350784U CN 201220735078 U CN201220735078 U CN 201220735078U CN 203057140 U CN203057140 U CN 203057140U
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- baseband signal
- intermediate frequency
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Abstract
The utility model discloses a secondary radar integrated transceiver for air traffic control, relates to the field of secondary radar signal communications, and aims at providing an integrated secondary radar transceiver. The main points of the secondary radar integrated transceiver are that the secondary radar integrated transceiver comprises a metal cavity, a receiving circuit and a transmitting circuit, wherein a metal baffle plate One is disposed in the middle of the metal cavity; the metal baffle plate One divides the metal cavity into a cavity One and a cavity Two. A metal baffle plate Two is disposed in the cavity One and divides the cavity One into a receiving cavity and a transmitting cavity, wherein the receiving circuit is positioned in the receiving cavity of the cavity One, and the transmitting circuit is positioned in the transmitting cavity in the cavity One. The cavity Two includes a power supply circuit, a baseband signal input end and a baseband signal output end, wherein the power supply circuit is used for supplying work power to the receiving circuit and the transmitting circuit; the baseband signal input end is used for receiving the baseband signal and outputs the baseband signal to the transmitting circuit; and the baseband signal output end is used for outputting the baseband signal output by the receiving circuit.
Description
Technical field
The utility model relates to secondary radar signal and communication field, especially relates to the reception of navigation management secondary radar system and the synthesization design of emission function.
Background technology
Along with the development of radio communication and Radar Technology, system requirements Receiver And Transmitter volume is little, in light weight, realizes modularization, generalization, to adapt to more system platform.Owing to be subjected to multifactorial restrictions such as device, material, technological development means, conventional Receiver And Transmitter adopts the design of each self-separation more, and traditional design makes transmitter, receiver weight be difficult to control, and the channel circuit design is also comparatively complicated; And interconnected signal is more, has reduced the reliability and stability of transmitter, receiver.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of integrated secondary radar R-T unit.
The technical solution adopted in the utility model is such: comprise metallic cavity, receiving circuit and radiating circuit; Metal partion (metp) one is set in the middle of the described metallic cavity; Described metal partion (metp) one is divided into cavity one and cavity two with metallic cavity; In the described cavity one metal partion (metp) two is set, metal partion (metp) two is divided into reception cavity and emission cavity with cavity one; Described receiving circuit is arranged in the reception cavity of cavity one; Described radiating circuit is arranged in the emission cavity of cavity one; Comprise power supply circuits, baseband signal input and baseband signal output in the described cavity two, described power supply circuits are used to receiving circuit and radiating circuit that working power is provided, the baseband signal input is used for receiving baseband signal and exports to described radiating circuit, and the baseband signal output is used for the baseband signal output with described receiving circuit output.
Preferably, described metal partion (metp) one thickness is 2 ~ 4mm.
Preferably, described cavity one is positioned at the top of cavity two.
Preferably, described metallic cavity is the alloy cavity.
Preferably, described receiving circuit comprises limiting amplifier, dielectric filter, frequency mixer, local oscillator, the first intermediate frequency filtering circuit, intermediate frequency amplifier, second intermediate frequency filtering circuit and the digital demodulating circuit; Described limiting amplifier, dielectric filter, frequency mixer, the first intermediate frequency filtering circuit, intermediate frequency amplifier, the second intermediate frequency filtering circuit and digital demodulating circuit flow to according to the signal that receives and are linked in sequence, and wherein the output of local oscillator is connected with another input of frequency mixer.
Preferably, described radiating circuit comprises isolated drive circuit, modulating frequency source circuit, programmable attenuator, band pass filter and the match circuit that is linked in sequence according to the signal flow direction.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
Adopt aluminum alloy materials to make cavity, cavity is divided into upper and lower two cavitys, one of them cavity holds radiating circuit and receiving circuit, and transmission circuit partly divides the chamber design, and the middle dividing plate that adopts separates, and guarantees the isolation between the transmission circuit as far as possible.Another cavity is made the power interface plate and is used, and the shielding design had both been considered in the dividing plate branch chamber of adopting 2 ~ 4mm between the cavity above and below, greatly reduced the weight of cavity again, designs simplification.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is specific embodiment of receiving circuit.
Fig. 3 is a specific embodiment of radiating circuit.
Mark among the figure: 1 is metallic cavity; 2 is metal partion (metp) 1; 3 is metal partion (metp) 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, an embodiment of the present utility model comprises metallic cavity 1, receiving circuit and radiating circuit; In the middle of the described metallic cavity 1 metal partion (metp) 1 is set; Described metal partion (metp) 1 is divided into cavity one and cavity two with metallic cavity 1; In the described cavity one metal partion (metp) 23 is set, metal partion (metp) 23 is divided into reception cavity and emission cavity with cavity one; Described receiving circuit is arranged in the reception cavity of cavity one; Described radiating circuit is arranged in the emission cavity of cavity one; Comprise power supply interface, power supply circuits, baseband signal input and baseband signal output in the described cavity two, described power supply circuits are used to receiving circuit and radiating circuit that working power is provided.
In another embodiment of the present utility model, described cavity is that aluminum alloy materials is made, metal partion (metp) one and metal partion (metp) two structurally play a part to demarcate, support on the one hand, are used for the electromagnetic interference between shielding receiving circuit, radiating circuit and the power supply circuits on the other hand.Preferably, the thickness of metal partion (metp) one is 2 ~ 4mm.
Be in the example at of the present utility model another, top that preferably is positioned at cavity two of described cavity.
As Fig. 2, an embodiment of receiving circuit who is arranged in the reception cavity of described cavity one is such: comprise limiting amplifier, dielectric filter, frequency mixer, local oscillator, the first intermediate frequency filtering circuit, intermediate frequency amplifier, second intermediate frequency filtering circuit and the digital demodulating circuit.Described limiting amplifier, dielectric filter, frequency mixer, the first intermediate frequency filtering circuit, intermediate frequency amplifier, the second intermediate frequency filtering circuit and digital demodulating circuit flow to according to the signal that receives and are linked in sequence, wherein local oscillator is specially table oscillator, and its output is connected with another input of frequency mixer.
The operation principle of above-mentioned receiving circuit is such: after radiofrequency signal is received by antenna, amplify through limiting amplifier, adopting limiting amplifier here is in order to guarantee outside large-signal to be played inhibitory action, again normal signal is played amplification.Then signal is carried out dielectric filter and handle, filter the outer carrier wave of band and suppress image frequency.Be downconverted into by local oscillator and frequency mixer and be intermediate-freuqncy signal, after intermediate-freuqncy signal is handled through intermediate frequency amplification, twice intermediate frequency filtering (filtering parameter of the first intermediate frequency filtering circuit and the second intermediate frequency filtering circuit is identical), deliver to digital demodulating circuit and finish demodulation, the baseband signal output of the baseband signal that obtains after the demodulation in cavity two exported to subsequent process circuit.
As Fig. 3, an embodiment of radiating circuit who is arranged in the emission cavity of described cavity one is such: comprise according to signal flowing to isolated drive circuit, modulating frequency source circuit, programmable attenuator, band pass filter, the match circuit that is linked in sequence.Described isolated drive circuit and modulating frequency source circuit all can be realized by special chip.
The operation principle of above-mentioned radiating circuit is such: baseband signal is by the input of the baseband signal input in the cavity two isolated drive circuit, isolated drive circuit is exported to the modulating frequency source circuit with the signal isolation, the modulating frequency source circuit is used for baseband signal is become with carrier modulation the radiofrequency signal of radar regulation, and radiofrequency signal is transmitted into antenna by delivering to isolator port match circuit behind program control attenuator circuit and the band pass filter again.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1. a navigation management secondary radar one R-T unit comprises receiving circuit and radiating circuit, it is characterized in that, also comprises a metallic cavity; Metal partion (metp) one is set in the middle of the described metallic cavity; Described metal partion (metp) one is divided into cavity one and cavity two with metallic cavity; In the described cavity one metal partion (metp) two is set, metal partion (metp) two is divided into reception cavity and emission cavity with cavity one; Described receiving circuit is arranged in the reception cavity of cavity one; Described radiating circuit is arranged in the emission cavity of cavity one; Comprise power supply circuits, baseband signal input and baseband signal output in the described cavity two, described power supply circuits are used to receiving circuit and radiating circuit that working power is provided, the baseband signal input is used for receiving baseband signal and exports to described radiating circuit, and the baseband signal output is used for the baseband signal output with described receiving circuit output.
2. device according to claim 1 is characterized in that, described metal partion (metp) one thickness is 2 ~ 4mm.
3. device according to claim 1 is characterized in that, described cavity one is positioned at the top of cavity two.
4. device according to claim 1 is characterized in that, described metallic cavity is the alloy cavity.
5. device according to claim 1 is characterized in that, described receiving circuit comprises limiting amplifier, dielectric filter, frequency mixer, local oscillator, the first intermediate frequency filtering circuit, intermediate frequency amplifier, second intermediate frequency filtering circuit and the digital demodulating circuit; Described limiting amplifier, dielectric filter, frequency mixer, the first intermediate frequency filtering circuit, intermediate frequency amplifier, the second intermediate frequency filtering circuit and digital demodulating circuit flow to according to the signal that receives and are linked in sequence, and wherein the output of local oscillator is connected with another input of frequency mixer.
6. device according to claim 1 is characterized in that, described radiating circuit comprises isolated drive circuit, modulating frequency source circuit, programmable attenuator, band pass filter and the match circuit that is linked in sequence according to the signal flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207350784U CN203057140U (en) | 2012-12-28 | 2012-12-28 | Secondary radar integrated transceiver for air traffic control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207350784U CN203057140U (en) | 2012-12-28 | 2012-12-28 | Secondary radar integrated transceiver for air traffic control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203057140U true CN203057140U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207350784U Expired - Lifetime CN203057140U (en) | 2012-12-28 | 2012-12-28 | Secondary radar integrated transceiver for air traffic control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203057140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125728A (en) * | 2014-07-28 | 2014-10-29 | 安徽四创电子股份有限公司 | plug-in electronic transmitter |
| CN104777458A (en) * | 2015-04-22 | 2015-07-15 | 四川正冠科技有限公司 | Integrated radar radio-frequency microwave module and manufacturing method thereof |
-
2012
- 2012-12-28 CN CN2012207350784U patent/CN203057140U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104125728A (en) * | 2014-07-28 | 2014-10-29 | 安徽四创电子股份有限公司 | plug-in electronic transmitter |
| CN104125728B (en) * | 2014-07-28 | 2019-01-22 | 安徽四创电子股份有限公司 | Plug-in Electronic Transmitter |
| CN104777458A (en) * | 2015-04-22 | 2015-07-15 | 四川正冠科技有限公司 | Integrated radar radio-frequency microwave module and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |