CN205017327U - Outdoor active antenna - Google Patents
Outdoor active antenna Download PDFInfo
- Publication number
- CN205017327U CN205017327U CN201520827444.2U CN201520827444U CN205017327U CN 205017327 U CN205017327 U CN 205017327U CN 201520827444 U CN201520827444 U CN 201520827444U CN 205017327 U CN205017327 U CN 205017327U
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- outdoor
- indoor
- noise amplifier
- duplexer
- low noise
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Abstract
The utility model discloses an outdoor active antenna, including first indoor duplexer, the indoor duplexer of second, first indoor low -noise amplifier, the indoor low -noise amplifier of second, first indoor power amplifier, the indoor power amplifier of second, first indoor wave filter, the indoor wave filter of second, an outdoor active antenna, the 2nd outdoor active antenna, the coaxial line, first outdoor low -noise amplifier, the outdoor low -noise amplifier of second, first outdoor wave filter, the outdoor wave filter of second, first outdoor power amplifier, the outdoor power amplifier of second, first outdoor duplexer and the outdoor duplexer of second, the utility model discloses the signal of will being issued to the lower level amplifies with regard to carrying out earlier the first step outdoor through outdoor low -noise amplifier, can offset the part of the loss behind the coaxial line, and when considering output signal simultaneously, thereby the signal is amplified to have increased by outdoor low -noise amplifier after through the wire rod loss once more uploads output signal intensity.
Description
Technical field
The utility model relates to communication radio frequency field, particularly relates to a kind of outdoor active antenna.
Background technology
Traditional signal amplifier design angle is only considered at outdoor placement antenna, indoor placement low noise amplifier, SAW filter and power amplifier carry out signal amplification, but because signal also has the loss of signal (about about 3db ~ 5db) through outdoor to indoor coaxial line, and for the low noise amplifier of indoor, too small input signal can not be identified, the signal that some can be caused like this to be exaggerated causes due to the loss of cable to be amplified by low noise amplifier identification, and amplifying signal intensity interval can reduce.When simultaneously indoor signal transfers out outdoor, due to the loss of wire rod, the signal strength signal intensity of output also can reduce.
Utility model content
The purpose of this utility model: provide a kind of outdoor active antenna, can solve the problem of the transmission wire rod loss signal strength signal intensity of classical signal amplifier.
To achieve these goals, the technical solution of the utility model is:
A kind of outdoor active antenna, comprise the first indoor duplexer, second indoor duplexer, first indoor low noise amplifier, second indoor low noise amplifier, first indoor power amplifier, second indoor power amplifier, first indoor filter, second indoor filter, first outdoor active antenna, second outdoor active antenna, coaxial line, first outdoor low noise amplifier, second outdoor low noise amplifier, first outdoor filter, second outdoor filter, first outdoor power amplifier, second outdoor power amplifier, first outdoor duplexer and the second outdoor duplexer, one end of described first indoor duplexer is connected with one end of the described first indoor low noise amplifier, the other end of the described first indoor low noise amplifier is connected with one end of the first described indoor filter, the other end of the first described indoor filter is connected with one end of the first described indoor power amplifier, and the other end of the first described indoor power amplifier is connected with one end of the described second indoor duplexer, the other end of the described first indoor duplexer is connected with one end of the second described indoor power amplifier, the other end of the second described indoor power amplifier is connected with one end of the second described indoor filter, the other end of the second described indoor filter is connected with one end of the described second indoor low noise amplifier, and the other end of the described second indoor low noise amplifier is connected with the other end of the described second indoor duplexer, the first described outdoor active antenna is connected with the described first indoor duplexer, one end of described first outdoor duplexer is connected with one end of the described first outdoor low noise amplifier, the other end of the described first outdoor low noise amplifier is connected with one end of the described first outdoor filter, the other end of the described first outdoor filter is connected with one end of the first described outdoor power amplifier, and the other end of the first described outdoor power amplifier is connected with one end of the described second outdoor duplexer, the other end of the described first outdoor duplexer is connected with one end of the second described outdoor power amplifier, the other end of the second described outdoor power amplifier is connected with one end of the described second outdoor filter, the other end of the described second outdoor filter is connected with one end of the described second outdoor low noise amplifier, and the other end of the described second outdoor low noise amplifier is connected with the other end of the described second outdoor duplexer, the second described outdoor active antenna is connected with the described second outdoor duplexer, and the two ends of described coaxial line are connected with the described second indoor duplexer and the first outdoor duplexer respectively.
Above-mentioned outdoor active antenna, wherein, the polarity closure of the described first indoor low noise amplifier is contrary with the polarity closure of the described second indoor low noise amplifier.
Above-mentioned outdoor active antenna, wherein, the polarity closure of the first described indoor power amplifier is contrary with the polarity closure of the second described indoor power amplifier.
Above-mentioned outdoor active antenna, wherein, the polarity closure of the described first outdoor low noise amplifier is contrary with the polarity closure of the described second outdoor low noise amplifier.
Above-mentioned outdoor active antenna, wherein, the polarity closure of the first described outdoor power amplifier is contrary with the polarity closure of the second described outdoor power amplifier.
Downstream signal is just first carried out first step amplification by outdoor low noise amplifier in outdoor by the utility model, the input signal of such outdoor just can than original height, the part of the loss after coaxial line can be offset, thus originally can not also can be identified after the amplification of outdoor by the signal of indoor low noise amplifier identification; When considering output signal, signal uploads output signal strength by again being amplified to strengthen thus add by the low noise amplifier of outdoor after wire rod loss simultaneously.
Accompanying drawing explanation
Fig. 1 is the catenation principle figure of the utility model outdoor active antenna.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1, a kind of outdoor active antenna, comprise the first indoor duplexer 101, second indoor duplexer 102, first indoor low noise amplifier 201, second indoor low noise amplifier 202, first indoor power amplifier 301, second indoor power amplifier 302, first indoor filter 401, second indoor filter 402, first outdoor active antenna 501, second outdoor active antenna 502, coaxial line 6, first outdoor low noise amplifier 701, second outdoor low noise amplifier 702, first outdoor filter 801, second outdoor filter 802, first outdoor power amplifier 901, second outdoor power amplifier 902, first outdoor duplexer 1001 and the second outdoor duplexer 1002, one end of described first indoor duplexer 101 is connected with one end of the described first indoor low noise amplifier 201, the other end of the described first indoor low noise amplifier 201 is connected with one end of the first described indoor filter 401, the other end of the first described indoor filter 401 is connected with one end of the first described indoor power amplifier 301, and the other end of the first described indoor power amplifier 301 is connected with one end of the described second indoor duplexer 102, the other end of the described first indoor duplexer 101 is connected with one end of the second described indoor power amplifier 302, the other end of the second described indoor power amplifier 302 is connected with one end of the second described indoor filter 402, the other end of the second described indoor filter 402 is connected with one end of the described second indoor low noise amplifier 202, and the other end of the described second indoor low noise amplifier 202 is connected with the other end of the described second indoor duplexer 102, the first described outdoor active antenna 501 is connected with the described first indoor duplexer 101, one end of described first outdoor duplexer 1001 is connected with one end of the described first outdoor low noise amplifier 701, the other end of the described first outdoor low noise amplifier 701 is connected with one end of the described first outdoor filter 801, the other end of the described first outdoor filter 801 is connected with one end of the first described outdoor power amplifier 901, and the other end of the first described outdoor power amplifier 901 is connected with one end of the described second outdoor duplexer 1002, the other end of the described first outdoor duplexer 1001 is connected with one end of the second described outdoor power amplifier 902, the other end of the second described outdoor power amplifier 902 is connected with one end of the described second outdoor filter 802, the other end of the described second outdoor filter 802 is connected with one end of the described second outdoor low noise amplifier 702, and the other end of the described second outdoor low noise amplifier 702 is connected with the other end of the described second outdoor duplexer 1002, the second described outdoor active antenna 502 is connected with the described second outdoor duplexer 1002, and duplexer 102 indoor with described second and the first outdoor duplexer 1001 are connected respectively at the two ends of described coaxial line 6.
The polarity closure of the described first indoor low noise amplifier 201 is contrary with the polarity closure of the described second indoor low noise amplifier 202.
The polarity closure of the first described indoor power amplifier 301 is contrary with the polarity closure of the second described indoor power amplifier 302.
The polarity closure of the described first outdoor low noise amplifier 701 is contrary with the polarity closure of the described second outdoor low noise amplifier 702.
The polarity closure of the first described outdoor power amplifier 901 is contrary with the polarity closure of the second described outdoor power amplifier 902.
In traditional signal amplifier, suppose that the minimum signal power that the indoor low noise amplifier 202 of the first indoor low noise amplifier 201, second can identify is-110dbm, and the loss of-3db is had by coaxial line 6, therefore the outdoor signal lower than-107dbm can not be identified by the indoor low noise amplifier 202 of the first indoor low noise amplifier 201, second after exterior aerial is transmitted by coaxial line 6, can cause the loss of signal like this.And in the utility model, the outdoor signal lower than-107dbm first can be amplified to by the first outdoor low noise amplifier 702 of outdoor low noise amplifier 701, second and the first outdoor power amplifier 901, second outdoor power amplifier 902 intensity can offset and be lost by coaxial line 6, then carries out amplification process by being identified by the indoor low noise amplifier 202 of the indoor low noise amplifier of first of indoor 201, second after coaxial line 6.
In like manner, the propagation of signal has amphicheirality, after indoor output signal is amplified by the first indoor low noise amplifier 202 of indoor low noise amplifier 201, second and the first indoor power amplifier 301, second indoor power amplifier 302, after coaxial line 6 exports, also have certain loss.Therefore, in the utility model, the signal of loss after being transmitted by coaxial line 6, then the first outdoor low noise amplifier 702 of outdoor low noise amplifier 701, second through outdoor and the first outdoor power amplifier 901, second outdoor power amplifier 902 amplify after can strengthen the loss that signal causes to offset coaxial line 6.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In sum, downstream signal is just first carried out first step amplification by outdoor low noise amplifier in outdoor by the utility model, the input signal of such outdoor just can than original height, the part of the loss after coaxial line can be offset, thus originally can not also can be identified after the amplification of outdoor by the signal of indoor low noise amplifier identification; When considering output signal, signal uploads output signal strength by again being amplified to strengthen thus add by the low noise amplifier of outdoor after wire rod loss simultaneously.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model description to do; or directly or indirectly use the technical field being attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an outdoor active antenna, it is characterized in that: comprise the first indoor duplexer, second indoor duplexer, first indoor low noise amplifier, second indoor low noise amplifier, first indoor power amplifier, second indoor power amplifier, first indoor filter, second indoor filter, first outdoor active antenna, second outdoor active antenna, coaxial line, first outdoor low noise amplifier, second outdoor low noise amplifier, first outdoor filter, second outdoor filter, first outdoor power amplifier, second outdoor power amplifier, first outdoor duplexer and the second outdoor duplexer, one end of described first indoor duplexer is connected with one end of the described first indoor low noise amplifier, the other end of the described first indoor low noise amplifier is connected with one end of the first described indoor filter, the other end of the first described indoor filter is connected with one end of the first described indoor power amplifier, and the other end of the first described indoor power amplifier is connected with one end of the described second indoor duplexer, the other end of the described first indoor duplexer is connected with one end of the second described indoor power amplifier, the other end of the second described indoor power amplifier is connected with one end of the second described indoor filter, the other end of the second described indoor filter is connected with one end of the described second indoor low noise amplifier, and the other end of the described second indoor low noise amplifier is connected with the other end of the described second indoor duplexer, the first described outdoor active antenna is connected with the described first indoor duplexer, one end of described first outdoor duplexer is connected with one end of the described first outdoor low noise amplifier, the other end of the described first outdoor low noise amplifier is connected with one end of the described first outdoor filter, the other end of the described first outdoor filter is connected with one end of the first described outdoor power amplifier, and the other end of the first described outdoor power amplifier is connected with one end of the described second outdoor duplexer, the other end of the described first outdoor duplexer is connected with one end of the second described outdoor power amplifier, the other end of the second described outdoor power amplifier is connected with one end of the described second outdoor filter, the other end of the described second outdoor filter is connected with one end of the described second outdoor low noise amplifier, and the other end of the described second outdoor low noise amplifier is connected with the other end of the described second outdoor duplexer, the second described outdoor active antenna is connected with the described second outdoor duplexer, and the two ends of described coaxial line are connected with the described second indoor duplexer and the first outdoor duplexer respectively.
2. outdoor active antenna according to claim 1, is characterized in that: the polarity closure of the described first indoor low noise amplifier is contrary with the polarity closure of the described second indoor low noise amplifier.
3. outdoor active antenna according to claim 1, is characterized in that: the polarity closure of the first described indoor power amplifier is contrary with the polarity closure of the second described indoor power amplifier.
4. outdoor active antenna according to claim 1, is characterized in that: the polarity closure of the described first outdoor low noise amplifier is contrary with the polarity closure of the described second outdoor low noise amplifier.
5. outdoor active antenna according to claim 1, is characterized in that: the polarity closure of the first described outdoor power amplifier is contrary with the polarity closure of the second described outdoor power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520827444.2U CN205017327U (en) | 2015-10-23 | 2015-10-23 | Outdoor active antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520827444.2U CN205017327U (en) | 2015-10-23 | 2015-10-23 | Outdoor active antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017327U true CN205017327U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520827444.2U Active CN205017327U (en) | 2015-10-23 | 2015-10-23 | Outdoor active antenna |
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| Country | Link |
|---|---|
| CN (1) | CN205017327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034811A (en) * | 2019-05-31 | 2019-07-19 | 福建瑞波信息技术有限公司 | Mobile communication indoor signal enhancing device and its Enhancement Method |
-
2015
- 2015-10-23 CN CN201520827444.2U patent/CN205017327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034811A (en) * | 2019-05-31 | 2019-07-19 | 福建瑞波信息技术有限公司 | Mobile communication indoor signal enhancing device and its Enhancement Method |
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| GR01 | Patent grant |