CN203491369U - C band electrically-tuned diplexer - Google Patents
C band electrically-tuned diplexer Download PDFInfo
- Publication number
- CN203491369U CN203491369U CN201320615583.XU CN201320615583U CN203491369U CN 203491369 U CN203491369 U CN 203491369U CN 201320615583 U CN201320615583 U CN 201320615583U CN 203491369 U CN203491369 U CN 203491369U
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- Prior art keywords
- filter
- low noise
- noise amplifier
- duplexer
- tuned
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Abstract
The utility model discloses a C band electrically-tuned diplexer. The C band electrically-tuned diplexer comprises a sending filter, a receiving filter, a circulator, coaxial cables, a loopback connector (3) and a low noise amplifier (4), and the sending filter, the receiving filter, the low noise amplifier and the loopback connector are controlled by stepping motors under monitoring and power supply control. The receiving electrically-tuned filter and the low noise amplifier are connected with a short distance through positioning connection, performance of the whole machine is optimized, the loopback connector and the low noise amplifier are independent, radio frequency loopback is simplified by utilization of a design that radiofrequency signals are coupled directly in cavities of the receiving and sending filters, and therefore an electrically-tuned diplexer with sending, receiving, small signal amplification and loopback functions is formed. The C band electrically-tuned diplexer is characterized by small size and multi functions, operating frequency can be changed by electric control in a wide frequency range, stable performance indexes are maintained, and the C band electrically-tuned diplexer is strong in universality and high in integration.
Description
Technical field
The utility model relates to a kind of microwave diplexer in the communications field, and the electricity that is especially applicable to the automatically controlled change operating frequency used in communication system is adjusted duplexer.
Background technology
The cavity duplexer of current existing C-band, the filter that is essentially two fixed frequencies forms, or the cavity body filter of two fixed frequencies and circulator form jointly, and receive filter and be connected distance with low noise amplifier, not simple from encircling detection mode, increase loss, taken up room large, can not possess again efficient equipment self-inspection ability.According to above-mentioned condition of the prior art, communication system demand can change operating frequency flexibly, can improve again the electricity of Improving Equipment performance and adjust duplexer.
Utility model content
In order to overcome deficiency of the prior art, the utility model provides a kind of C-band electricity to adjust duplexer, technical problem to be solved is that not only duplexer can be worked automatically controlled the changing frequently of full frequency band, also have from encircling measuring ability, closely install with low noise amplifier, reach low-noise factor, high integration, debugs simple effect.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
The electric duplexer of adjusting of C-band, comprises and sends out a filter 1, receipts filter 2, circulator 5 and coaxial cable, sends out filter 1 and by coaxial cable, is connected with circulator 5 respectively with receipts filter 2, it is characterized in that: also comprise from encircling device 3 and low noise amplifier 4; An output port sending out filter 1 is connected with the input port from encircling device 3 by coaxial cable, and the output port that certainly encircles device 3 is connected with an input port receiving filter 2 by coaxial cable; An output port receiving filter 2 is connected with the input port of low noise amplifier 4 by coaxial cable (9).
Wherein, the described filter 1 of sending out is respectively electrically tunable filter driven by stepper motors with receiving filter 2.
Wherein, certainly encircle that device 3 and low noise amplifier 4 are integrated to be placed in same box body.
Wherein, described send out filter 1 and receive filter 2 have respectively a plurality of coaxial interfaces, send out filter 1 and receive filter 2 separately the sidewall of cavity be provided with coaxial interface.
Wherein, send out on filter 1, receipts filter 2, bent angle frame 6 and bracket 7 difference installation base plate plates 8; Circulator 5 is arranged on bent angle frame 6, from encircling device 3 and low noise amplifier 4 is arranged on bracket 7.
Owing to having adopted technique scheme, the obtained technological progress of the utility model is:
1. the utility model has adopted two stepping motors to drive respectively the electrically tunable filter of control to replace the cavity body filter of original fixed frequency, and transceiving filter is changed frequently flexibly, has improved the antijamming capability of equipment.
2. the utility model has adopted low noise amplifier closely to install with receiving filter, reduces the noise factor of equipment.From ring device and low noise amplifier, adopt the design of optimizing, circuit board is arranged in a box body, has improved self-test capability and the Electro Magnetic Compatibility of system.Reduce the volume of communication equipment, improve system performance index.
3. the utility model has adopted on the sidewall of cavity of receiving and dispatching electrically tunable filter coaxial coupling aperture has been installed, direct-coupling goes out the scheme of radiofrequency signal, for equipment provides from ring signal, save the space of coupler, the annexation of simplified apparatus complexity, there are one one receipts, from integrated multi-functionals such as loop coupling, meet the requirement of integration of equipments, improve practical ability.
4. the utility model has adopted multi-part, multi-functional integrated mode, has realized seriation, modular new demand, and the multi-frequency band radio-frequency equipment such as UHF wave band, L-band, S-band, C-band that can be applied to are used.
Accompanying drawing explanation
Fig. 1 is the block diagram that the utility model C-band electricity is adjusted duplexer.
Fig. 2 is the Facad structure schematic diagram that the utility model C-band electricity is adjusted duplexer.
Fig. 3 is the side structure schematic diagram that the utility model C-band electricity is adjusted duplexer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details:
Fig. 1 is the block diagram that the utility model C-band electricity is adjusted duplexer.Monitoring control step motor changes after the operating frequency of transceiving filter, from the radiofrequency signal of power amplifier output, through sending out filter 1, suppresses, after band stray, through circulator 5, to send to antenna; And the faint RF small signals that come from antenna reception, through receiving filter 2 filtering interfering, signal is sent into receiver after being amplified by low noise amplifier 4.When equipment selects radio frequency when encircling, from the cavity of a filter 1, be coupled out little radiofrequency signal, by certainly encircling after device conversion frequency, deliver to the coupling port of receiving filter 2, make this part from ring signal, with receiving signal, enter receiver, realize from encircling measuring ability.
Fig. 2 is the structural representation that the utility model C-band electricity is adjusted duplexer, comprise and send out a filter 1, receive filter 2, and coaxial cable 9, coaxial cable 10, coaxial cable 11, coaxial cable 12, coaxial cable 13, circulator 5, certainly encircle device 3 and low noise amplifier 4.Wherein, certainly encircle device 3, low noise amplifier 4 is arranged in a box body.Send out between filter 1 coaxial interface 18 above and circulator 5 and be connected with coaxial cable 12, coaxial interface 19 is connected with low noise amplifier 4, and the coaxial interface 17 of filter 1 side is connected with the coaxial interface 21 use coaxial cables 11 that oneself encircles device 3.Receive between filter 2 coaxial interface 15 above and circulator 5 and be connected with coaxial cable 13, coaxial interface 16 is connected with the coaxial interface 22 use coaxial cables 9 of low noise amplifier 4, the coaxial interface 14 of receiving filter 2 sides is connected with the coaxial interface 20 use coaxial cables 10 from encircling device 3, and the coaxial interface 23 of low noise amplifier 4 is connected with receiver.The coaxial interface 24 of circulator 5 is connected with antenna.
Fig. 3 is the side structure schematic diagram that the utility model C-band electricity is adjusted duplexer, box body and bracket 7 location and installation from ring device 3, low noise amplifier 4, circulator 5 and bent angle frame 6 location and installation, send out filter 1, receive filter 2, bent angle frame 6, bracket 7 all with supporting plate 8 location and installation.Between installing on encircling the box body of device 3, low noise amplifier 4 and bracket 7, use trip bolt location and installation.
The utility model mounting structure is as follows: it is coaxial mouthful that C-band electricity is adjusted input, the delivery outlet of duplexer, with coaxial cable, is connected with input, the delivery outlet of outer relay part.On the supporting plate of electricity tune duplexer, there is screw, with screw, be arranged on equipment cabinets inside.
Claims (5)
1. a C-band electricity is adjusted duplexer, comprise and send out filter (1), receipts filter (2), circulator (5) and coaxial cable, send out filter (1) and by coaxial cable, be connected with circulator (5) respectively with receipts filters (2), it is characterized in that: also comprise from encircling device (3) and low noise amplifier (4); An output port sending out filter (1) is connected with the input port from encircling device (3) by coaxial cable, and the output port that certainly encircles device (3) is connected with an input port receiving filter (2) by coaxial cable; An output port receiving filter (2) is connected with the input port of low noise amplifier (4) by coaxial cable (9).
2. a kind of C-band electricity according to claim 1 is adjusted duplexer, it is characterized in that: described sending out filter (1) and receive filter (2) is respectively electrically tunable filter driven by stepper motors.
3. a kind of C-band electricity according to claim 1 is adjusted duplexer, it is characterized in that: certainly encircle device (3) and low noise amplifier (4) is integrated is placed in same box body.
4. a kind of C-band electricity according to claim 1 is adjusted duplexer, it is characterized in that: described send out filter (1) and receive filters (2) have respectively a plurality of coaxial interfaces, send out filter (1) and receipts filters (2) separately the sidewall of cavity be provided with coaxial interface.
5. a kind of C-band electricity according to claim 1 is adjusted duplexer, it is characterized in that: send out on filter (1), receipts filter (2), bent angle frame (6) and bracket (7) difference installation base plate plate (8); It is upper that circulator (5) is arranged on bent angle frame (6), from encircling device (3) and low noise amplifier (4) is arranged on bracket (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615583.XU CN203491369U (en) | 2013-10-08 | 2013-10-08 | C band electrically-tuned diplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615583.XU CN203491369U (en) | 2013-10-08 | 2013-10-08 | C band electrically-tuned diplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491369U true CN203491369U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320615583.XU Expired - Fee Related CN203491369U (en) | 2013-10-08 | 2013-10-08 | C band electrically-tuned diplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788573A (en) * | 2017-04-01 | 2017-05-31 | 中国电子科技集团公司第五十四研究所 | A kind of C-band high-power radio-frequency receiving-transmitting equipment |
| CN106961285A (en) * | 2017-03-23 | 2017-07-18 | 中国电子科技集团公司第五十四研究所 | A kind of scatter communication high-frequency apparatus of full frequency band work |
-
2013
- 2013-10-08 CN CN201320615583.XU patent/CN203491369U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106961285A (en) * | 2017-03-23 | 2017-07-18 | 中国电子科技集团公司第五十四研究所 | A kind of scatter communication high-frequency apparatus of full frequency band work |
| CN106961285B (en) * | 2017-03-23 | 2019-03-29 | 中国电子科技集团公司第五十四研究所 | A kind of scatter communication high-frequency apparatus of full frequency band work |
| CN106788573A (en) * | 2017-04-01 | 2017-05-31 | 中国电子科技集团公司第五十四研究所 | A kind of C-band high-power radio-frequency receiving-transmitting equipment |
| CN106788573B (en) * | 2017-04-01 | 2018-12-25 | 中国电子科技集团公司第五十四研究所 | A kind of C-band high-power radio-frequency receiving-transmitting equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |