CN101820297A - Method for processing collinear signal transmission and frequency regulating device - Google Patents
Method for processing collinear signal transmission and frequency regulating device Download PDFInfo
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- CN101820297A CN101820297A CN201010000285A CN201010000285A CN101820297A CN 101820297 A CN101820297 A CN 101820297A CN 201010000285 A CN201010000285 A CN 201010000285A CN 201010000285 A CN201010000285 A CN 201010000285A CN 101820297 A CN101820297 A CN 101820297A
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Abstract
The invention discloses a method for processing collinear signal transmission, which is provided with a frequency regulating device. The frequency regulating device comprises a box-shaped body, wherein two receiving filters and two emitting filters are arranged in the body; the receiving filters and the emitting filters are connected with each other in a mode of serial connection; a connected part at ends of the receiving filters and the emitting receivers is provided with an antenna port, while the other ends are respectively provided with two receiving passage ports and two emitting passage ports; the receiving passage ports are the receiving passage first port and the receiving passage second port respectively; the emitting passage ports are the emitting passage first port and the emitting passage second port respectively; the antenna port acquires and receives a space signal, and then transmits the space signal to the receiving passage ports after the space signal is analyzed and processed through the receiving filters; and the emitting passage ports emit an acquirable signal, and then transmit the acquirable signal to the antenna port after the acquirable signal is processed and analyzed through the emitting filters. The invention also provides the frequency regulating device for realizing the method.
Description
Technical field
The present invention designs multi-media communication technical field and machinery manufacturing technology field, relates in particular to the processing method of carrying out the collinear signal transmission between a kind of DCS of being used for and the WCDMA system, more relates to a kind of frequency modulation device of realizing this method.
Background technology
Along with mobile communication rapid development, in order to enlarge system coverage area, improve the availability of frequency spectrum, the capacity that increases system will reduce the cost of system equipment simultaneously, and each tame operator mostly adopts polyphyly altogether to stand, be total to the mode of antenna feeder resource.Like this in various system frequencies during crowded and multichannel real time bidirectional communication, require the sending and receiving channel must use same antenna simultaneously, this just need design multichannel channel in front equipment end and synthesize and separating component.In the DCS/WCDMA communal-antenna system, the DCS-WCDMA frequency modulation device can receive into faint spacing wave, again high-power transmitting is fed to launching on the common antenna, and both finish its function separately and do not disturb mutually.This just requires the loss of frequency modulation device product little, and power capacity is big, the receive-transmit isolation height, and passive intermodulation index height considers that simultaneously the volume of cost frequency modulation device is also little.Consider the signal frequency scope of application of DCS-WCDMA frequency modulation device: upward signal 1710-1785MHz, 1920-1980MHz; Downstream signal 1805-1880MHz, 2110-2170MHz.The bandwidth of upward signal and downstream signal, transition band is narrow.If with little band frequency modulation device, bandwidth, transition band are narrow, close road port and be difficult to realize, and power capacity is little, passive intermodulation index error.
Summary of the invention
The object of the present invention is to provide a kind of processing method of collinear signal transmission to realize faint spacing wave is received into, again high-power transmitting is fed to launching on the common antenna, both finish its function separately and do not disturb mutually; Another purpose of the present invention is to provide a kind of frequency modulation device of realizing this method.
For effectively solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of processing method of collinear signal transmission said method comprising the steps of:
(1) frequency modulation device is set, it comprises a box-like body, and two receiving filters and two emission filters are set in its body, and described receiving filter and emission filter interconnect by mode connected in series;
(2) described receiving filter and emission filter one end junction are provided with an antenna port, and the other end is provided with two receive path ports and two transmission channel ports respectively;
(3) described receive path port is respectively receive path first port and receive path second port, and described transmission channel port is respectively transmission channel first port and transmission channel second port;
(4) described antenna port collection and receive spacing wave and by transferring to described receive path port behind the described receiving filter analyzing and processing signal;
(5) but described transmission channel port emission acquired signal and by transferring to described antenna port behind the described emission filtering analyzing and processing signal;
(6) described receiving filter reception spacing wave and high-power the transmitting of described emission filter emission are also independently finished synchronously in same antenna isolation processing.
Described step (1) is further comprising the steps of: dignity is provided with cover plate on the described body, and inside also is provided with a plurality of connectors, and described receiving filter and emission filter are built in the described body and use the metal partion (metp) space.
Described step (2) is further comprising the steps of: described antenna port, receive path port and transmission channel port are fixing respectively at two ends, the described body outside, described antenna port is provided with a shared resonator respectively by receive path and transmission channel junction, and described receive path port and transmission channel port are provided with a plurality of resonators respectively.
Described step (4) is further comprising the steps of: described receiving filter is when the spacing wave that the described antenna port of analyzing and processing is received, upward signal and downstream signal frequency band range by received signal are handled respectively, and described receiving filter signal band scope is adjustable or replaceable mounting structure.
Described step (5) is further comprising the steps of: described emission filter is when the spacing wave that the described transmission channel port of analyzing and processing is launched, handle respectively by upward signal that is transmitted and downstream signal frequency band range, described emission filter signal band scope is adjustable or replaceable mounting structure.
A kind of frequency modulation device of realizing above-mentioned processing method, it comprises a box-like body, cover plate, connector and trip bolt, comprise receiving filter and emission filter in the described box-packed body, and each filter is arranged respectively and is put in irregularly shaped single chamber of described body, uses the metal partion (metp) space respectively; Described body exterior two ends are respectively arranged with an antenna port, a plurality of transmission channel port and a plurality of receive path port; Described connector is fixed in the described body and upright projection, and described cover plate trip bolt is fixed on the described cover plate, and its that position is set is corresponding with described intrinsic connector; Described filter is also detained a plurality of tuning screw rod that penetrates described cover plate cruelly, and described receiving filter one end and described antenna port interconnect, and the other end is connected with described receive path port respectively; Described emission filter one end is connected with described antenna port, and the other end is connected with described receive path port respectively.
The receive path of the coupled correspondence of described antenna port and transmission channel also comprise a shared resonator respectively, also comprise a plurality of resonators between described receiving port and emission port and the described antenna port, the bottom of described resonator is provided with the annulus of fixed size, and closely contacts with described body.
The spacing of the top of described resonator and described cover plate spacing and resonator and described tuning screw rod is no less than 2.5mm, also comprises the draw-in groove of a fixing dark 0.5mm of wide 1mm on the described metal partion (metp) that is used for separated filter, and closely is connected with described cover plate.
Described filter also comprises the inductive coupler of window-like and the capacitive coupler of dumbbell shaped, constitutes on the window metallic plate of described coupler also to comprise fixed gap.
Beneficial effect of the present invention is: device provided by the present invention guarantees that the power capacity of whole frequency modulation device all is met under varying environment conditions such as various ambient temperatures, height above sea level, terminal coupling, system signal modulation format; Utilize the particular structure mode, the advantage that the frequency modulation device that adopts special parts to realize brings, volume is little, and Insertion Loss is little, the receive-transmit isolation height, power capacity is big, good temp characteristic, passive intermodulation index height and cost are low; The irregular special-shaped chamber of frequency modulation device application of shape of the present invention rationally utilizes each segment space of body, effectively dwindles the volume of whole frequency modulation device; Introduce the capacitive coupling of the inductive coupled and dumbbell type of window, and utilize fluting formation good isolation system on the metallic plate, the mutual inhibition degree of each transceiver channel is all greater than 95dB; Resonator and cover plate and resonator and the spacing of going deep in the resonator of coordinating screw rod are enough big, improve the power bearing ability of whole frequency modulation device, and the average power of transmission channel is greater than 250W, and peak power is greater than 2500W; Resonator bottom adopts annulus, and body adopts copper facing, and the Insertion Loss of frequency modulation device all in 1.0dB, reduces cost when satisfying high performance index greatly; The method that the invention provides realizes faint spacing wave is received into, again high-power transmitting is fed to launching on the common antenna, and both finish its function separately and do not disturb mutually.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is frequency modulation device structure working principle figure of the present invention;
Fig. 2 is the partial structurtes schematic diagram of metallic plate fluting in the frequency modulation device of the present invention;
Fig. 3 is the structural representation of the metallic plate breach of coupling window in the device of the present invention;
Fig. 4 is a frequency modulation device structure front view of the present invention;
Fig. 5 is a device overall structure combination schematic diagram of the present invention.
Embodiment
Referring to Fig. 1 and Fig. 5, a kind of processing method of collinear signal transmission said method comprising the steps of:
(1) frequency modulation device is set, it comprises a box-like body 1, and two receiving filters and two emission filters are set in its body, and described receiving filter and emission filter interconnect by mode connected in series; Dignity is provided with cover plate 2 on the described body, and inside also is provided with a plurality of connectors 3, and described receiving filter and emission filter are built in the described body 1 and use the metal partion (metp) space.
(2) described receiving filter and emission filter one end junction are provided with an antenna port, and the other end is provided with two receive path ports and two transmission channel ports respectively; Described antenna port, receive path port and transmission channel port are fixing respectively at two ends, the described body outside, described antenna port is provided with a shared resonator respectively by receive path and transmission channel junction, and described receive path port and transmission channel port are provided with a plurality of resonators respectively.
(3) described receive path port is respectively receive path first port and receive path second port, and described transmission channel port is respectively transmission channel first port and transmission channel second port.
(4) described antenna port collection and receive spacing wave and by transferring to described receive path port behind the described receiving filter analyzing and processing signal; Described receiving filter is handled respectively by the upward signal and the downstream signal frequency band range of received signal when the spacing wave that the described antenna port of analyzing and processing is received, and described receiving filter signal band scope is adjustable or replaceable mounting structure.
(5) but described transmission channel port emission acquired signal and by transferring to described antenna port behind the described emission filtering analyzing and processing signal; Described emission filter is when the spacing wave that the described transmission channel port of analyzing and processing is launched, handle respectively by upward signal that is transmitted and downstream signal frequency band range, described emission filter signal band scope is adjustable or replaceable mounting structure.
(6) described receiving filter reception spacing wave and high-power the transmitting of described emission filter emission are also independently finished synchronously in same antenna isolation processing.
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of frequency modulation device of realizing above-mentioned processing method, it comprises a box-like body 1, cover plate 2, connector 3 and trip bolt 4, comprise receiving filter and emission filter in the described box-packed body 1, and each filter is arranged respectively and is put in irregularly shaped single chamber of described body, uses metal partion (metp) 11 spaces respectively; Described body exterior two ends are respectively arranged with an antenna port, a plurality of transmission channel port and a plurality of receive path port; Described connector 3 is fixed in the described body and upright projection, and described cover plate 2 trip bolts 4 are fixed on the described cover plate, and its that position is set is corresponding with described intrinsic connector; Described filter is also detained a plurality of tuning screw rod that penetrates described cover plate cruelly, and described receiving filter one end and described antenna port interconnect, and the other end is connected with described receive path port respectively; Described emission filter one end is connected with described antenna port, and the other end is connected with described receive path port respectively.
The receive path of the coupled correspondence of described antenna port and transmission channel also comprise a shared resonator respectively, also comprise a plurality of resonators between described receiving port and emission port and the described antenna port, the bottom of described resonator is provided with the annulus of fixed size, and closely contacts with described body.
Referring to Fig. 2, the top of described resonator 131 and described cover plate spacing and resonator 131 are no less than 2.5mm with the spacing of described tuning screw rod, the draw-in groove 065 that also comprises a fixing dark 0.5mm of wide 1mm on the described metal partion (metp) 12 that is used for separated filter, and closely be connected with described cover plate 2.
Referring to Fig. 3, described filter also comprises the inductive coupler of window-like and the capacitive coupler of dumbbell shaped, constitutes on the window metallic plate of described coupler also to comprise fixed gap 066.
Referring to Fig. 4 and Fig. 5, operation principle of the present invention is as follows: frequency modulation device provided by the invention is by body 1, cover plate 2, and connector 3, trip bolt 4 are formed jointly.4 connectors 32,33,34,35 are fixed on body 1 right side respectively, and port is followed successively by the receive path first port port2, the receive path second port port5, the transmission channel first port port3, the transmission channel second port port4.Port2 is used to transmit the radiofrequency signal of 1920-1980MHz, and port3 is used to receive the radiofrequency signal of 2110-2170MHz, and port4 is used to receive the radiofrequency signal of 1805-1880MHz, and port5 is used to transmit the radiofrequency signal of 1710-1785MHz.Body 1 left side fixed connector 31 form antenna port port1 be used to receive with transmit close the road and separate.All there is projection at fixed connector 31,32,33,34,35 positions in the body 1, for the screw 4 that prevents fixed connector 3 gos deep in the body 1, reduce the object that has magnetic and enter the passive intermodulation that improves product in the body.
Four filters 110,120,130,140 are separated by metallic plate 11,12,13 respectively as in the body 1.Filter 110 is the receive path 1920-1980MHz of WCDMA, and filter 120 is the transmission channel 2110-2170MHz of WCDMA, and ripple device 130 is the transmission channel 1805-1880MHz of DCS, and ripple device 140 is the receive path 1710-1785MHz of DCS.Single chamber of filter is irregularly shaped, and convenient row chamber and space availability ratio height comprise some resonators 111,121,131 in each filter.10 resonators 111 are arranged in its median filter 110,7 resonators 121 are arranged in the filter 120,12 resonators 131 are arranged in the filter 130,11 resonators 141 are arranged in the filter 140.The resonator 111-121 at filter 110 and filter 120 shared adjacent antennas port port1 places, the resonator 131-141 at filter 130 and filter 140 shared adjacent antennas port port1 places, resonator 111-121,131-141,1110,127,1312,1411 are by transmission line 101,102,103,104,105,106 and connector 31,32,33,34,35.Between resonator 111-121 and resonator 112,122 and resonator 131-141 and the resonator 132,142 coupling table that highly differs is arranged, be used to strengthen the coupling amount between the resonator.
There is the tuning screw rod 21 that passes cover plate to go deep in the filter 110,120,130,140 on the cover plate 2 of frequency modulation device, is used to regulate coupling amount between the resonance frequency of resonator 111,121,131,141 and the resonator.Have the inductive coupled of window between filter 110 interior resonance devices 113 and the resonator 115, between resonator 116 and the resonator 118, have the capacitive coupling of dumbbell type between resonator 118 and the resonator 1110, form transmission zero to WCDMA transmitted passband 2110-2170MHz and DCS transmitted passband 1805-1880MHz.The capacitive coupling of dumbbell type is arranged between filter 120 resonators 124 and the resonator 126, form transmission zero WCDMA received passband 1920-1980MHz.Have the inductive coupled of window between filter 130 interior resonance devices 132 and the resonator 134, form transmission zero WCDMA received passband 1920-1980MHz and DCS received passband 1710-1785MHz.
The resonator bottom of filter all is circular to reduce contact area, guarantees that contacting of resonator and body is tight; The resonator top of filter and cover plate spacing and resonator and go deep into the spacing 2.5mm at least of the tuning screw rod of resonator, when various environmental conditions such as ambient temperature, height above sea level, terminal coupling, system signal modulation format changed, the power capacity of frequency modulation device still can meet the demands like this; The resonator material of filter is all used stainless steel 410, and temperature coefficient is 10.2ppm/ ℃, guarantees that the frequency response curve of frequency modulation device keeps the spectrum position and the curve shape of its requirement in corresponding temperature range;
Be used for having on the metallic plate 11,12,13 of separated filter the groove of the dark 0.5mm of wide 1mm in the body 1, be used to reduce body and cover plate contact area, increase the pressure of contact-making surface, it is tightr that body is connected with cover plate.
The breach that sinking 1mm in many places is arranged on the coupling window metallic plate in the body 1, be used to reduce (being metal and metal) between body and cover plate like contacting and noncontact, reduce the screw number of fastening cover plate.
The present invention is not limited to above-mentioned execution mode, and all employings and analog structure of the present invention and method thereof realize that all execution modes of the object of the invention are all within protection scope of the present invention.
Claims (9)
1. the processing method of a collinear signal transmission is characterized in that, said method comprising the steps of:
(1) frequency modulation device is set, it comprises a box-like body, and two receiving filters and two emission filters are set in its body, and described receiving filter and emission filter interconnect by mode connected in series;
(2) described receiving filter and emission filter one end junction are provided with an antenna port, and the other end is provided with two receive path ports and two transmission channel ports respectively;
(3) described receive path port is respectively receive path first port and receive path second port, and described transmission channel port is respectively transmission channel first port and transmission channel second port;
(4) described antenna port collection and receive spacing wave and by transferring to described receive path port behind the described receiving filter analyzing and processing signal;
(5) but described transmission channel port emission acquired signal and by transferring to described antenna port behind the described emission filtering analyzing and processing signal;
(6) described receiving filter reception spacing wave and high-power the transmitting of described emission filter emission are also independently finished synchronously in same antenna isolation processing.
2. the processing method of collinear signal transmission according to claim 1, it is characterized in that, described step (1) is further comprising the steps of: dignity is provided with cover plate on the described body, inside also is provided with a plurality of connectors, and described receiving filter and emission filter are built in the described body and use the metal partion (metp) space.
3. the processing method of collinear signal transmission according to claim 1, it is characterized in that, described step (2) is further comprising the steps of: described antenna port, receive path port and transmission channel port are fixing respectively at two ends, the described body outside, described antenna port is provided with a shared resonator respectively by receive path and transmission channel junction, and described receive path port and transmission channel port are provided with a plurality of resonators respectively.
4. the processing method of collinear signal transmission according to claim 1, it is characterized in that, described step (4) is further comprising the steps of: described receiving filter is when the spacing wave that the described antenna port of analyzing and processing is received, upward signal and downstream signal frequency band range by received signal are handled respectively, and described receiving filter signal band scope is adjustable or replaceable mounting structure.
5. the processing method of collinear signal transmission according to claim 1, it is characterized in that, described step (5) is further comprising the steps of: described emission filter is when the spacing wave that the described transmission channel port of analyzing and processing is launched, handle respectively by upward signal that is transmitted and downstream signal frequency band range, described emission filter signal band scope is adjustable or replaceable mounting structure.
6. frequency modulation device of realizing the described processing method of claim 1, it is characterized in that, it comprises a box-like body, cover plate, connector and trip bolt, comprise receiving filter and emission filter in the described box-packed body, and each filter is arranged respectively and is put in irregularly shaped single chamber of described body, uses the metal partion (metp) space respectively; Described body exterior two ends are respectively arranged with an antenna port, a plurality of transmission channel port and a plurality of receive path port; Described connector is fixed in the described body and upright projection, and described cover plate trip bolt is fixed on the described cover plate, and its that position is set is corresponding with described intrinsic connector; Described filter is also detained a plurality of tuning screw rod that penetrates described cover plate cruelly, and described receiving filter one end and described antenna port interconnect, and the other end is connected with described receive path port respectively; Described emission filter one end is connected with described antenna port, and the other end is connected with described receive path port respectively.
7. frequency modulation device according to claim 6, it is characterized in that, the receive path of the coupled correspondence of described antenna port and transmission channel also comprise a shared resonator respectively, also comprise a plurality of resonators between described receiving port and emission port and the described antenna port, the bottom of described resonator is provided with the annulus of fixed size, and closely contacts with described body.
8. frequency modulation device according to claim 6, it is characterized in that, the spacing of the top of described resonator and described cover plate spacing and resonator and described tuning screw rod is no less than 2.5mm, the draw-in groove that also comprises a fixing dark 0.5mm of wide 1mm on the described metal partion (metp) that is used for separated filter, and closely be connected with described cover plate.
9. frequency modulation device according to claim 6 is characterized in that, described filter also comprises the inductive coupler of window-like and the capacitive coupler of dumbbell shaped, constitutes on the window metallic plate of described coupler also to comprise fixed gap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000285A CN101820297A (en) | 2010-01-07 | 2010-01-07 | Method for processing collinear signal transmission and frequency regulating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010000285A CN101820297A (en) | 2010-01-07 | 2010-01-07 | Method for processing collinear signal transmission and frequency regulating device |
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| CN101820297A true CN101820297A (en) | 2010-09-01 |
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| CN201010000285A Pending CN101820297A (en) | 2010-01-07 | 2010-01-07 | Method for processing collinear signal transmission and frequency regulating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103881A (en) * | 2014-07-10 | 2014-10-15 | 中国电子科技集团公司第二十研究所 | Five stepped structure capable of achieving radio frequency signal isolation among multiple channels |
| CN108732429A (en) * | 2018-05-31 | 2018-11-02 | 西安空间无线电技术研究所 | A kind of antenna reflective face passive cross modulation test device |
-
2010
- 2010-01-07 CN CN201010000285A patent/CN101820297A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103881A (en) * | 2014-07-10 | 2014-10-15 | 中国电子科技集团公司第二十研究所 | Five stepped structure capable of achieving radio frequency signal isolation among multiple channels |
| CN104103881B (en) * | 2014-07-10 | 2016-05-04 | 中国电子科技集团公司第二十研究所 | A kind of five hierarchic structures that realize radiofrequency signal isolation between multichannel |
| CN108732429A (en) * | 2018-05-31 | 2018-11-02 | 西安空间无线电技术研究所 | A kind of antenna reflective face passive cross modulation test device |
| CN108732429B (en) * | 2018-05-31 | 2020-06-09 | 西安空间无线电技术研究所 | Passive intermodulation test device of antenna reflector |
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