CN204290949U - A kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit - Google Patents
A kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit Download PDFInfo
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- CN204290949U CN204290949U CN201420789210.9U CN201420789210U CN204290949U CN 204290949 U CN204290949 U CN 204290949U CN 201420789210 U CN201420789210 U CN 201420789210U CN 204290949 U CN204290949 U CN 204290949U
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Abstract
The utility model provides a kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit, and this radio frequency unit comprises 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 on several independently in cavity, by the mutual UNICOM of groove between neighboring chambers; Described rf transmitter unit comprises base band modulation circuit, Duplex Spacing switch controller, frequency mixer, high power amplifier, intermediate frequency voltage controlled oscillator, RF Voltage-Controlled Oscillator and loopback circuit, and described rf receiver unit comprises low noise image-reject mixer, baseband amplification circuit and baseband filter.The utility model structure is simple, circuit anti-electromagnetic interference capability is strong, it is roomy to be with, cost is low, versatility good.
Description
Technical field
The utility model relates to digital microwave telecommunication technical field, specifically a kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit.
Background technology
In wireless communications, particularly in digital microwave telecommunication, often need to use radio frequency unit.Radio frequency unit complex structure of the prior art, narrow bandwidth, circuit anti-electromagnetic interference capability is poor, cost is high, poor universality.
Utility model content
The purpose of this utility model is to provide the universal X-band full outdoor wide-band IP digital microwave radio frequency unit that a kind of structure is simple, circuit anti-electromagnetic interference capability is strong, versatility is good.
The technical solution of the utility model is:
A kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit, this radio frequency unit comprises 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 on several independently in cavity, by the mutual UNICOM of groove between neighboring chambers; Described rf transmitter unit comprises base band modulation circuit, Duplex Spacing switch controller, frequency mixer, high power amplifier, intermediate frequency voltage controlled oscillator, RF Voltage-Controlled Oscillator and loopback circuit, and described rf receiver unit comprises low noise image-reject mixer, baseband amplification circuit and baseband filter; The output of described base band modulation circuit is connected with the input of high power amplifier with frequency mixer by Duplex Spacing switch controller successively, and the output 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 output of described low noise image-reject mixer is connected with the input of baseband filter by baseband amplification circuit; The described output of intermediate frequency voltage controlled oscillator is connected with the input of base band modulation circuit; The output of described RF Voltage-Controlled Oscillator is connected with the input of frequency mixer and low noise image-reject mixer respectively; The output of described high power amplifier is connected by the input of loopback circuit with low noise image-reject mixer.
Described universal X-band full outdoor wide-band IP digital microwave radio frequency unit, described cavity comprises 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 Duplex Spacing 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 the 11 cavity for the output waveguide mouth that arranges duplexer.
Described universal X-band full outdoor wide-band IP digital microwave radio frequency unit, 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 37.7mm, and width is less than or equal to 27.3mm; The length of described 3rd cavity is less than or equal to 34mm, and width is less than or equal to 17.8mm; The length of described 4th cavity is less than or equal to 25.7mm, and width is less than or equal to 21mm; The length of described 5th cavity is less than or equal to 18.4mm, and width is less than or equal to 16.2mm; The length of described 6th cavity is less than or equal to 38.4mm, and width is less than or equal to 26.5mm; The length of described 7th cavity is less than or equal to 21mm, and width is less than or equal to 15.2mm; The length of described 8th cavity is less than or equal to 22.6mm, and width is less than or equal to 19.1mm; 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 equals 28.499mm, and width equals 12.624mm; The length of described 11 cavity equals 28.499mm, and width equals 12.624mm.
Described universal X-band full outdoor wide-band IP digital microwave radio frequency unit, described RF Voltage-Controlled Oscillator selects emitting radio frequency signal frequency to be the RF Voltage-Controlled Oscillator of 6.4 ~ 8.5GHz.
As shown from the above technical solution, rf transmitter unit of the present utility model and rf receiver unit are separately positioned on several independently in cavity, 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 adopts double conversion, and rf receiver unit adopts zero intermediate frequency Direct Conversion, solves receiving terminal mirror image and suppresses, greatly simplify circuit, Optimum cost; Arrange loopback circuit to be convenient to radio frequency unit and to carry out Autonomous test; Frequency range standard, the bandwidth criteria of the various ETSI/FCC of 6.4 ~ 8.5GHz can be met, be with roomy; Hardware is general, buying and process of manufacture is simplified greatly, drastically increases the efficiency of productibility and production.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram that radio frequency unit of the present utility model is applied to full outdoor wide-band IP digital microwave unit;
Fig. 2 is the cavity body structure schematic diagram of radio frequency unit of the present utility model.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing.
As Fig. 1, a kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit, this radio frequency unit 200 comprises rf transmitter unit and rf receiver unit, rf transmitter unit comprises base band modulation circuit 202, intermediate frequency voltage controlled oscillator 203, Duplex Spacing switch controller 204, frequency mixer 205, RF Voltage-Controlled Oscillator 206, high power amplifier 207 and loopback circuit 208, and rf receiver unit comprises 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 selects emitting radio frequency signal frequency to be the RF Voltage-Controlled Oscillator of 6.4 ~ 8.5GHz.
The output of the IP protocol processing unit 101 of baseband board 100 is connected with transmitting baseband interface 201 signal of radio frequency unit 200 with signaling control unit 103 by modem module 102 successively, 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 is connected with the input end signal of modem module 102 with IP protocol processing unit 101 by signaling control unit 103 successively.
The output of base band modulation circuit 202 is connected with the input of frequency mixer 205 with high power amplifier 207 by Duplex Spacing switch controller 204 successively, and the output 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 output of low noise image-reject mixer 209 is connected with the input of baseband filter 211 by baseband amplification circuit 210.The output of intermediate frequency voltage controlled oscillator 203 is connected with the input of base band modulation circuit 202.The output of RF Voltage-Controlled Oscillator 206 is connected with the input of frequency mixer 205 and low noise image-reject mixer 209 respectively.The output 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 adopts microstrip line.
Rf transmitter unit and rf receiver unit are separately positioned on several independently in cavity, by the mutual UNICOM of groove between neighboring chambers.As shown in Figure 2, first cavity 1 is for arranging low noise image-reject mixer 209, second cavity 2 is for arranging baseband amplification circuit 210 and baseband filter 211, 3rd cavity 3 is for arranging intermediate frequency voltage controlled oscillator 203, 4th cavity 4 is for arranging base band modulation circuit 202, 5th cavity 5 is for arranging Duplex Spacing switch controller 204, 6th cavity 6 is for arranging RF Voltage-Controlled Oscillator 206, 7th cavity 7 is for arranging frequency mixer 205, 8th cavity 8 is for arranging high power amplifier 207, 9th cavity 9 is for arranging loopback circuit 208, tenth cavity 10 is for arranging the input waveguide mouth of duplexer 300, 11 cavity 11 is for arranging the output waveguide mouth of duplexer 300.
The length of the first cavity 1 is less than or equal to 18.2mm, and width is less than or equal to 16.3mm; The length of the second cavity 2 is less than or equal to 37.7mm, and width is less than or equal to 27.3mm; The length of the 3rd cavity 3 is less than or equal to 34mm, and width is less than or equal to 17.8mm; The length of the 4th cavity 4 is less than or equal to 25.7mm, and width is less than or equal to 21mm; The length of the 5th cavity 5 is less than or equal to 18.4mm, and width is less than or equal to 16.2mm; The length of the 6th cavity 6 is less than or equal to 38.4mm, and width is less than or equal to 26.5mm; The length of the 7th cavity 7 is less than or equal to 21mm, and width is less than or equal to 15.2mm; The length of the 8th cavity 8 is less than or equal to 22.6mm, and width is less than or equal to 19.1mm; The length of the 9th cavity 9 is less than or equal to 20.1mm, and width is less than or equal to 20.1mm.The length of the tenth cavity 10 equals 28.499mm, and width equals 12.624mm; The length of the 11 cavity 11 equals 28.499mm, and width equals 12.624mm.
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.
Operation principle of the present utility model:
The IP data service data of coming from user side is first through 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, transmitting baseband signal is modulated to through base band modulation circuit 202 intermediate-freuqncy signal that frequency is Duplex Spacing, after the subsegment that Duplex Spacing switch controller 204 selects customer demand, enter frequency mixer 205 with radio-frequency (RF) local oscillator signal be mixed to 6.4 ~ 8.5GHz microwave signal, then launch through high power amplifier 207 and duplexer 300.
6.4 ~ 8.5GHz digital microwave the signal received enters low noise image-reject mixer 209 through duplexer 300, with the mixing of radio-frequency (RF) local oscillator signal, mixing receiving baseband signal is out successively after baseband amplification circuit 210 and baseband filter 211, then by receiving, baseband interface 212 delivers 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 be supplied to user side.
The utility model can meet the frequency range standard of the various ETSI/FCC of 6.4 ~ 8.5GHz, supports various ETSI/FCC different bandwidth standard.
The above execution mode is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that claims of the present utility model determine.
Claims (4)
1. a universal X-band full outdoor wide-band IP digital microwave radio frequency unit, this radio frequency unit comprises rf transmitter unit and rf receiver unit, it is characterized 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 on several independently in cavity, by the mutual UNICOM of groove between neighboring chambers;
Described rf transmitter unit comprises base band modulation circuit, Duplex Spacing switch controller, frequency mixer, high power amplifier, intermediate frequency voltage controlled oscillator, RF Voltage-Controlled Oscillator and loopback circuit, and described rf receiver unit comprises low noise image-reject mixer, baseband amplification circuit and baseband filter; The output of described base band modulation circuit is connected with the input of high power amplifier with frequency mixer by Duplex Spacing switch controller successively, and the output 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 output of described low noise image-reject mixer is connected with the input of baseband filter by baseband amplification circuit; The described output of intermediate frequency voltage controlled oscillator is connected with the input of base band modulation circuit; The output of described RF Voltage-Controlled Oscillator is connected with the input of frequency mixer and low noise image-reject mixer respectively; The output of described high power amplifier is connected by the input of loopback circuit with low noise image-reject mixer.
2. universal X-band according to claim 1 full outdoor wide-band IP digital microwave radio frequency unit, is characterized in that:
Described cavity comprises 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 Duplex Spacing 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 the 11 cavity for the output waveguide mouth that arranges duplexer.
3. universal X-band according to claim 2 full outdoor wide-band IP digital microwave radio frequency unit, is characterized in that:
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 37.7mm, and width is less than or equal to 27.3mm;
The length of described 3rd cavity is less than or equal to 34mm, and width is less than or equal to 17.8mm;
The length of described 4th cavity is less than or equal to 25.7mm, and width is less than or equal to 21mm;
The length of described 5th cavity is less than or equal to 18.4mm, and width is less than or equal to 16.2mm;
The length of described 6th cavity is less than or equal to 38.4mm, and width is less than or equal to 26.5mm;
The length of described 7th cavity is less than or equal to 21mm, and width is less than or equal to 15.2mm;
The length of described 8th cavity is less than or equal to 22.6mm, and width is less than or equal to 19.1mm;
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 equals 28.499mm, and width equals 12.624mm;
The length of described 11 cavity equals 28.499mm, and width equals 12.624mm.
4. universal X-band according to claim 1 full outdoor wide-band IP digital microwave radio frequency unit, is characterized in that: described RF Voltage-Controlled Oscillator selects emitting radio frequency signal frequency to be the RF Voltage-Controlled Oscillator of 6.4 ~ 8.5GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420789210.9U CN204290949U (en) | 2014-12-15 | 2014-12-15 | A kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420789210.9U CN204290949U (en) | 2014-12-15 | 2014-12-15 | A kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit |
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| Publication Number | Publication Date |
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| CN204290949U true CN204290949U (en) | 2015-04-22 |
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| CN201420789210.9U Expired - Fee Related CN204290949U (en) | 2014-12-15 | 2014-12-15 | A kind of universal X-band full outdoor wide-band IP digital microwave radio frequency unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005716A (en) * | 2021-10-27 | 2022-02-01 | 西北核技术研究所 | Radial three-cavity transit time oscillator with double output ports and microwave generation method |
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2014
- 2014-12-15 CN CN201420789210.9U patent/CN204290949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005716A (en) * | 2021-10-27 | 2022-02-01 | 西北核技术研究所 | Radial three-cavity transit time oscillator with double output ports and microwave generation method |
| CN114005716B (en) * | 2021-10-27 | 2023-07-21 | 西北核技术研究所 | Radial three-cavity transit time oscillator with double output ports and microwave generation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20201215 |