CN104467884B - Universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units - Google Patents
Universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units Download PDFInfo
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- CN104467884B CN104467884B CN201410769848.0A CN201410769848A CN104467884B CN 104467884 B CN104467884 B CN 104467884B CN 201410769848 A CN201410769848 A CN 201410769848A CN 104467884 B CN104467884 B CN 104467884B
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Abstract
The present invention provides a kind of universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units, and this radio frequency unit includes rf transmitter unit and rf receiver unit, and the total length of this radio frequency unit is less than or equal to 173mm, and overall width is less than or equal to 142mm；Described rf transmitter unit and rf receiver unit are separately positioned in the cavity that several are independent, by the mutual UNICOM of groove between neighboring chambers；Described rf transmitter unit includes base band modulation circuit, high low station switch controller, frequency mixer, high power amplifier, intermediate frequency voltage controlled oscillator, RF Voltage-Controlled Oscillator and loopback circuit, and described rf receiver unit includes low noise image-reject mixer, baseband amplification circuit and baseband filter.Present configuration is simple, circuit anti-electromagnetic interference capability is strong, it is roomy to carry, low cost, versatility are good.
Description
Technical field
The present invention relates to digital microwave telecommunication technical field, a kind of universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units.
Background technology
In wireless communications, particularly in digital microwave telecommunication, it is often necessary to use radio frequency unit.Radio frequency unit structure complexity of the prior art, narrow bandwidth, circuit anti-electromagnetic interference capability are poor, cost high, poor universality.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, the universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units that circuit anti-electromagnetic interference capability is strong, versatility is good.
The technical scheme is that
A kind of universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units, this radio frequency unit includes rf transmitter unit and rf receiver unit, and the total length of this radio frequency unit is less than or equal to 173mm, and overall width is less than or equal to 142mm；Described rf transmitter unit and rf receiver unit are separately positioned in the cavity that several are independent, by the mutual UNICOM of groove between neighboring chambers；Described rf transmitter unit includes base band modulation circuit, high low station switch controller, frequency mixer, high power amplifier, intermediate frequency voltage controlled oscillator, RF Voltage-Controlled Oscillator and loopback circuit, and described rf receiver unit includes low noise image-reject mixer, baseband amplification circuit and baseband filter；The outfan of described base band modulation circuit passes sequentially through high low station switch controller and frequency mixer is connected with the input of high power amplifier, and the outfan of described high power amplifier is connected with the input waveguide mouth of duplexer；The output waveguide mouth of described duplexer is connected with the input of low noise image-reject mixer, and the outfan of described low noise image-reject mixer is connected with the input of baseband filter by baseband amplification circuit；The described outfan of intermediate frequency voltage controlled oscillator is connected with the input of base band modulation circuit；The outfan of described RF Voltage-Controlled Oscillator input with frequency mixer and low noise image-reject mixer respectively is connected；The outfan of described high power amplifier is connected with the input of low noise image-reject mixer by loopback circuit.
Universal 10.7～11.8GHz described full outdoor wide-band IP digital microwave radio frequency units, described cavity includes the first cavity for arranging low noise image-reject mixer, for arranging the second cavity of baseband amplification circuit and baseband filter, for arranging the 3rd cavity of intermediate frequency voltage controlled oscillator, for arranging the 4th cavity of base band modulation circuit, for arranging the 5th cavity of high low station switch controller, for arranging the 6th cavity of RF Voltage-Controlled Oscillator, for arranging the 7th cavity of frequency mixer, for arranging the 8th cavity of high power amplifier, for arranging the 9th cavity of loopback circuit, for arranging the tenth cavity of the input waveguide mouth of duplexer and for arranging the 11st cavity of the output waveguide mouth of duplexer.
Universal 10.7～11.8GHz described full outdoor wide-band IP digital microwave radio frequency units,
The length of described first cavity is less than or equal to 18.2mm, and width is less than or equal to 16.3mm；
The length of described second cavity is less than or equal to 37.8mm, and width is less than or equal to 30.4mm；
The length of described 3rd cavity is less than or equal to 34.1mm, and width is less than or equal to 17.8mm；
The length of described 4th cavity is less than or equal to 31.7mm, and width is less than or equal to 21.2mm；
The length of described 5th cavity is less than or equal to 32.1mm, and width is less than or equal to 13.8mm；
The length of described 6th cavity is less than or equal to 57.3mm, and width is less than or equal to 32.2mm；
The length of described 7th cavity is less than or equal to 23.1mm, and width is less than or equal to 12.4mm；
The length of described 8th cavity is less than or equal to 22.3mm, and width is less than or equal to 16.1mm；
The length of described 9th cavity is less than or equal to 20.1mm, and width is less than or equal to 20.1mm.
The length of described tenth cavity is equal to 22.86mm, and width is equal to 10.16mm；
The 22.86mm such as the length of described 11st cavity, width is equal to 10.16mm.
Universal 10.7～11.8GHz described full outdoor wide-band IP digital microwave radio frequency units, described RF Voltage-Controlled Oscillator is selected and is launched the RF Voltage-Controlled Oscillator that radio frequency signal frequency is 10.7～11.8GHz.
As shown from the above technical solution, the rf transmitter unit of the present invention and rf receiver unit are separately positioned in the cavity that several are independent, and by the mutual UNICOM of groove between neighboring chambers, simple and compact for structure, volume is little, and circuit anti-electromagnetic interference capability is strong；Rf transmitter unit uses double conversion, and rf receiver unit uses Direct Conversion of zero intermediate frequency, solves the suppression of receiving terminal mirror image, greatly simplify circuit, Optimum cost；Arrange loopback circuit to be easy to radio frequency unit and carry out Autonomous test；The frequency range standard of 10.7～11.8GHz various ETSI/FCC, bandwidth criteria can be met, carry roomy；Hardware is general, makes buying and process of manufacture be greatly simplified, drastically increases the efficiency of productibility and production.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram that the radio frequency unit of the present invention is applied to full outdoor wide-band IP digital microwave unit；
Fig. 2 is the cavity body structure schematic diagram of the radio frequency unit of the present invention.
Detailed description of the invention
Further illustrate the present invention below in conjunction with the accompanying drawings.
Such as Fig. 1, a kind of universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units, this radio frequency unit 200 includes rf transmitter unit and rf receiver unit, rf transmitter unit includes base band modulation circuit 202, intermediate frequency voltage controlled oscillator 203, high low station switch controller 204, frequency mixer 205, RF Voltage-Controlled Oscillator 206, high power amplifier 207 and loopback circuit 208, and rf receiver unit includes low noise image-reject mixer 209, baseband amplification circuit 210 and baseband filter 211.Base band modulation circuit 202 tranmitting frequency is the intermediate-freuqncy signal of Duplex Spacing, and RF Voltage-Controlled Oscillator 206 is selected and launched the RF Voltage-Controlled Oscillator that radio frequency signal frequency is 10.7～11.8GHz.
The outfan of the IP protocol processing unit 101 of baseband board 100 passes sequentially through modem module 102 and signaling control unit 103 and is connected with transmitting baseband interface 201 signal of radio frequency unit 200, radio frequency unit 200 is connected by waveguide mouth interactive signal with duplexer 300, and the reception baseband interface 212 of radio frequency unit 200 passes sequentially through signaling control unit 103 and modem module 102 and is connected with the input end signal of IP protocol processing unit 101.
The outfan of base band modulation circuit 202 passes sequentially through high low station switch controller 204 and frequency mixer 205 and is connected with the input of high power amplifier 207, and the outfan of high power amplifier 207 is connected with the input waveguide mouth of duplexer 300.The output waveguide mouth of duplexer 300 is connected with the input of low noise image-reject mixer 209, and the outfan of low noise image-reject mixer 209 is connected with the input of baseband filter 211 by baseband amplification circuit 210.The outfan of intermediate frequency voltage controlled oscillator 203 is connected with the input of base band modulation circuit 202.The outfan of RF Voltage-Controlled Oscillator 206 input with frequency mixer 205 and low noise image-reject mixer 209 respectively is connected.The outfan of high power amplifier 207 is connected with the input of low noise image-reject mixer 209 by loopback circuit 208.Connection between above-mentioned modules all uses microstrip line.
Rf transmitter unit and rf receiver unit are separately positioned in the cavity that several are independent, by the mutual UNICOM of groove between neighboring chambers.As shown in Figure 2, first cavity 1 is used for arranging low noise image-reject mixer 209, second cavity 2 is used for arranging baseband amplification circuit 210 and baseband filter 211, 3rd cavity 3 is used for arranging intermediate frequency voltage controlled oscillator 203, 4th cavity 4 is used for arranging base band modulation circuit 202, 5th cavity 5 is used for arranging high low station switch controller 204, 6th cavity 6 is used for arranging RF Voltage-Controlled Oscillator 206, 7th cavity 7 is used for arranging frequency mixer 205, 8th cavity 8 is used for arranging high power amplifier 207, 9th cavity 9 is used for arranging loopback circuit 208, tenth cavity 10 is for arranging the input waveguide mouth of duplexer 300, 11st cavity 11 is for arranging the output waveguide mouth of duplexer 300.
The length of described first cavity is less than or equal to 18.2mm, and width is less than or equal to 16.3mm；
The length of described second cavity is less than or equal to 37.8mm, and width is less than or equal to 30.4mm；
The length of described 3rd cavity is less than or equal to 34.1mm, and width is less than or equal to 17.8mm；
The length of described 4th cavity is less than or equal to 31.7mm, and width is less than or equal to 21.2mm；
The length of described 5th cavity is less than or equal to 32.1mm, and width is less than or equal to 13.8mm；
The length of described 6th cavity is less than or equal to 57.3mm, and width is less than or equal to 32.2mm；
The length of described 7th cavity is less than or equal to 23.1mm, and width is less than or equal to 12.4mm；
The length of described 8th cavity is less than or equal to 22.3mm, and width is less than or equal to 16.1mm；
The length of described 9th cavity is less than or equal to 20.1mm, and width is less than or equal to 20.1mm.
The length of described tenth cavity is equal to 22.86mm, and width is equal to 10.16mm；
The length of described 11st cavity is equal to 22.86mm, and width is equal to 10.16mm.
The total length of this radio frequency unit 200 is less than or equal to 173mm, and overall width is less than or equal to 142mm.
The operation principle of the present invention:
The IP data service data come from user side first passes around the IP protocol processing unit 101 of baseband board 100, modem module 102, signaling control unit 103 process forms transmitting baseband signal, and be connected with the transmitting baseband interface 201 of radio frequency unit 200, it is the intermediate-freuqncy signal of Duplex Spacing that transmitting baseband signal modulates frequency through base band modulation circuit 202, after the frequency range that high low station switch controller 204 selects customer demand, enter frequency mixer 205 with RF local oscillator signal be mixed to 10.7～11.8GHz microwave signals, it is then passed through high power amplifier 207 and duplexer 300 is launched.
10.7～the 11.8GHz digital microwave signals received enter low noise image-reject mixer 209 through duplexer 300, it is mixed with RF local oscillator signal, after mixing reception baseband signal out sequentially passes through baseband amplification circuit 210 and baseband filter 211, then by receiving baseband interface 212 and delivering to the signaling control unit 103 of baseband board 100, modem module 102, IP protocol processing unit 101 process form IP data service data and are supplied to user side.
The present invention can meet the frequency range standard of 10.7～11.8GHz various ETSI/FCC, supports various ETSI/FCC different bandwidth standard.
The above embodiment is only to be described the preferred embodiment of the present invention; not the scope of the present invention is defined; on the premise of designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (2)
1. a universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency unit, this radio frequency unit includes rf transmitter unit and rf receiver unit, it is characterised in that: the total length of this radio frequency unit is less than or equal to 173mm, and overall width is less than or equal to 142mm；Described rf transmitter unit and rf receiver unit are separately positioned in the cavity that several are independent, by the mutual UNICOM of groove between neighboring chambers；
Described rf transmitter unit includes base band modulation circuit, high low station switch controller, frequency mixer, high power amplifier, intermediate frequency voltage controlled oscillator, RF Voltage-Controlled Oscillator and loopback circuit, and described rf receiver unit includes low noise image-reject mixer, baseband amplification circuit and baseband filter；The outfan of described base band modulation circuit passes sequentially through high low station switch controller and frequency mixer is connected with the input of high power amplifier, and the outfan of described high power amplifier is connected with the input waveguide mouth of duplexer；
The output waveguide mouth of described duplexer is connected with the input of low noise image-reject mixer, and the outfan of described low noise image-reject mixer is connected with the input of baseband filter by baseband amplification circuit；The described outfan of intermediate frequency voltage controlled oscillator is connected with the input of base band modulation circuit；The outfan of described RF Voltage-Controlled Oscillator input with frequency mixer and low noise image-reject mixer respectively is connected；The outfan of described high power amplifier is connected with the input of low noise image-reject mixer by loopback circuit；
Described cavity includes the first cavity for arranging low noise image-reject mixer, for arranging the second cavity of baseband amplification circuit and baseband filter, for arranging the 3rd cavity of intermediate frequency voltage controlled oscillator, for arranging the 4th cavity of base band modulation circuit, for arranging the 5th cavity of high low station switch controller, for arranging the 6th cavity of RF Voltage-Controlled Oscillator, for arranging the 7th cavity of frequency mixer, for arranging the 8th cavity of high power amplifier, for arranging the 9th cavity of loopback circuit, for arranging the tenth cavity of the input waveguide mouth of duplexer and for arranging the 11st cavity of the output waveguide mouth of duplexer；
The length of described first cavity is less than or equal to 18.2mm, and width is less than or equal to 16.3mm；
The length of described second cavity is less than or equal to 37.8mm, and width is less than or equal to 30.4mm；
The length of described 3rd cavity is less than or equal to 34.1mm, and width is less than or equal to 17.8mm；
The length of described 4th cavity is less than or equal to 31.7mm, and width is less than or equal to 21.2mm；
The length of described 5th cavity is less than or equal to 32.1mm, and width is less than or equal to 13.8mm；
The length of described 6th cavity is less than or equal to 57.3mm, and width is less than or equal to 32.2mm；
The length of described 7th cavity is less than or equal to 23.1mm, and width is less than or equal to 12.4mm；
The length of described 8th cavity is less than or equal to 22.3mm, and width is less than or equal to 16.1mm；
The length of described 9th cavity is less than or equal to 20.1mm, and width is less than or equal to 20.1mm；
The length of described tenth cavity is equal to 22.86mm, and width is equal to 10.16mm；
The length of described 11st cavity is equal to 22.86mm, and width is equal to 10.16mm.
The most according to claim 1 universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units, it is characterised in that: described RF Voltage-Controlled Oscillator is selected and is launched the RF Voltage-Controlled Oscillator that radio frequency signal frequency is 10.7～11.8GHz.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769848.0A CN104467884B (en) | 2014-12-15 | 2014-12-15 | Universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410769848.0A CN104467884B (en) | 2014-12-15 | 2014-12-15 | Universal 10.7～11.8GHz full outdoor wide-band IP digital microwave radio frequency units |
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| CN104467884A CN104467884A (en) | 2015-03-25 |
| CN104467884B true CN104467884B (en) | 2017-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034930A (en) * | 2006-03-09 | 2007-09-12 | 上海欣民通信技术有限公司 | WCDMA RF direct amplifying station |
| CN201167320Y (en) * | 2008-03-04 | 2008-12-17 | 北京天瑞星际技术有限公司 | 5.8GHz PDH digital microwave radio frequency unit and outdoor unit |
| CN202798692U (en) * | 2012-09-25 | 2013-03-13 | 北信通信技术有限责任公司 | Eight GHz fully outdoor internet protocol (IP) digital microwave unit and radio frequency unit thereof |
| CN203590218U (en) * | 2013-12-09 | 2014-05-07 | 湖北三江航天险峰电子信息有限公司 | Microwave outdoor unit |
| CN203761425U (en) * | 2014-03-31 | 2014-08-06 | 桂林南方通信设备工程公司 | High-capacity multi-service digital microwave communication system |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: General type 10.7-11.8 GHz full outdoor broadband IP digital microwave radio frequency unit Effective date of registration: 20180730 Granted publication date: 20170104 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HKUST INTELLIGENT (HEFEI) Co.,Ltd. Registration number: 2018340000349 |
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Date of cancellation: 20210316 Granted publication date: 20170104 Pledgee: Hefei high tech Company limited by guarantee Pledgor: HKUST INTELLIGENT (HEFEI) Co.,Ltd. Registration number: 2018340000349 |
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Effective date of registration: 20210407 Address after: 201600 room 539, building 1, 777 sizhuan Road, Sijing Town, Songjiang District, Shanghai Patentee after: Keda Zhizao (Shanghai) equipment Technology Co.,Ltd. Address before: No. 612, Huangshan Road, high tech Zone, Hefei City, Anhui Province, 230088 Patentee before: HKUST INTELLIGENT (HEFEI) Co.,Ltd. |
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Effective date of registration: 20230525 Address after: 215163 No.110 kejing Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: HUAXIAO PRECISION (SUZHOU) Co.,Ltd. Address before: 201600 room 539, building 1, 777 sizhuan Road, Sijing Town, Songjiang District, Shanghai Patentee before: Keda Zhizao (Shanghai) equipment Technology Co.,Ltd. |
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Application publication date: 20150325 Assignee: Syntronic (Beijing) R&D Center Co.,Ltd. Assignor: HUAXIAO PRECISION (SUZHOU) Co.,Ltd. Contract record no.: X2023980046899 Denomination of invention: Universal 10.7-11.8GHz all outdoor broadband IP digital microwave RF unit Granted publication date: 20170104 License type: Exclusive License Record date: 20231114 |
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