WO2022170748A1 - 合路滤波结构及合路移相器 - Google Patents

合路滤波结构及合路移相器 Download PDF

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Publication number
WO2022170748A1
WO2022170748A1 PCT/CN2021/112064 CN2021112064W WO2022170748A1 WO 2022170748 A1 WO2022170748 A1 WO 2022170748A1 CN 2021112064 W CN2021112064 W CN 2021112064W WO 2022170748 A1 WO2022170748 A1 WO 2022170748A1
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WIPO (PCT)
Prior art keywords
filter
combined
filters
conductor
signal
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PCT/CN2021/112064
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English (en)
French (fr)
Inventor
黄立文
李涛
费锦洲
姜维维
邱建源
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京信通信技术(广州)有限公司
京信射频技术(广州)有限公司
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Publication of WO2022170748A1 publication Critical patent/WO2022170748A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/18—Phase-shifters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies

Definitions

  • the invention belongs to the technical field of mobile communication, and in particular relates to a combining filtering structure and a combining phase shifter equipped with the combining filtering structure.
  • multiple signals are combined by a combiner to output one signal.
  • impurity signals in the multi-channel signals.
  • the impurity signals are also combined into one signal.
  • the impurity signals often widen the bandwidth of the combined signal, causing the center frequency of the combined signal to shift. , which is not conducive to transmitting the combined signal to the outside, in order to keep the center frequency of the combined signal from shifting, it is necessary to filter the impurity signal through a filter before combining the multi-channel signals.
  • Cavity phase shifters often contain multiple layers of cavities, each of which contains a phase-shifting network.
  • a phase-shifting network divides a signal into a power-division multiplexing and outputs a signal, which will be combined with another phase-shifting network.
  • Signals of the same type are combined and output, and the two phase-shifting networks are processed by signals of different frequency bands, which are prone to interference with each other. Therefore, in this case, it is especially necessary to consider the optimization of the combined filtering structure.
  • the first object of the present invention is to provide a combined filtering structure that can filter and combine.
  • Another object of the present invention is to provide a combined phase shifter.
  • Each filter includes a dielectric board and conductors printed on both sides of the dielectric board, wherein the conductors on one side include two parallel molding lines that are connected to each other, and the conductors on the other side include two open lines;
  • Each open line corresponds to one of the modeling lines and is arranged side by side in a projection-parallel manner, and one end of the open line is provided with a coupling sheet, and the coupling sheet is partially coincident with its corresponding modeling line in projection;
  • each filter the signal fed by one of the molding lines is filtered and output from the other molding line, and the filtered signals of the two filters are connected to each other to realize combined output.
  • each open line couples the signal transmitted on its corresponding molding line to generate one of the two resonance zeros.
  • a conducting member is provided between the two filters to realize the combined output of the filtered signals.
  • the conducting member includes a dielectric board and an attached conductor printed on the dielectric board, and the two ends of the conducting member are respectively inserted into the via holes on the dielectric boards of the two filters, so that the attached conductor is They are respectively electrically connected with the modeling lines used for signal output on the two filters to realize the combined output of the two channels of signals.
  • the attached conductor includes a first attached conductor and a second attached conductor, which are respectively printed on both sides of the dielectric plate thereof, and the first attached conductor and the second attached conductor are capacitively coupled.
  • the first attached conductor and the second attached conductor both include a plurality of conductor strips arranged side by side, and the conductor strips of the two are intersected with each other to form a finger-coupling structure.
  • the conducting member includes a connection pad and a probe erected on the disc surface of the connection pad, the probes pass through the via holes on the dielectric plates of the two filters, so that the connection pad is connected to the One filter is electrically connected to the modeling line for signal output, and the probe is electrically connected to the modeling line of the other filter for signal output.
  • the additional conductor has a capacitive coupling structure, so that the two channels of signals are capacitively coupled into the same channel.
  • a modeling line of one of the filters is arranged in a pulsed square wave shape.
  • At least one open line of one of the filters has a bent structure.
  • the two filters are packaged in a pair of parallel shielding cavities, and connection ports are reserved in the shielding cavities corresponding to the conducting connection positions of the combined outputs of the two filters.
  • dielectric materials are provided on both sides of the filter.
  • a plurality of the combined filter structures are provided in the same shielding cavity, and a plurality of the connection ports are reserved correspondingly, and the filters used for the same frequency band in each combined filter structure are respectively used to feed the signals of different phases in the frequency band.
  • a combined phase shifter which includes two groups of phase shift circuits, each group of phase shift circuits is used to divide the signal of a single independent frequency band into multiple signals with different phases, and the combined phase shifter
  • the multi-channel phase shifter is also provided with the same multiple first purpose of the multi-channel signal corresponding to the multi-channel signal of each phase.
  • the multi-channel signals of the other group of phase-shifting circuits are fed into another filter of the corresponding combination filtering structure for filtering in a one-to-one correspondence.
  • phase-shifting circuits are printed on a dielectric board, and each group of phase-shifting circuits and the filters in the corresponding multiple combined filtering structures share the dielectric board.
  • the combined filter structure of the present invention includes two filters, each filter filters the signals fed into the partial frequency band of the filter through the two resonance zeros generated by the mutual coupling of conductors arranged on both sides of the dielectric plate. division for filtering purposes. After that, the signals filtered by the two filters can be combined and output.
  • the filter of the present invention includes modeling lines and open lines respectively arranged on both sides of the dielectric plate, each open line corresponds to a modeling line and is arranged side by side in a projection-parallel manner, and one end of the open line is provided with a coupling sheet, the coupling sheet
  • the local projection of the modeling line corresponding to the open line is coincident, so that the coupling plate can couple the signals of some frequency bands from the modeling line to generate a resonance zero point, so as to achieve the purpose of filtering.
  • the filtering method is simple, broadens the filtering frequency band, and optimizes the The suppression performance increases the effective use area of the circuit, and the filter has a simple structure and is easy to manufacture.
  • FIG. 1 is a schematic diagram of the circuit structure of the combining filter structure of the present invention.
  • FIG. 2 is a perspective view of the first filter dielectric plate of the combined filter structure of the present invention, showing the front side thereof.
  • FIG 3 is a front perspective view of the first filter of the combined filter structure of the present invention, the first conductor on the front side of the dielectric plate is shown with solid lines, and the second conductor on the back side of the dielectric board is shown with dotted lines.
  • FIG. 4 is a perspective view of the second filter dielectric plate of the combined filter structure of the present invention, showing the front side thereof.
  • FIG. 5 is a front perspective view of the second filter of the combined filter structure of the present invention, the second conductor on the front side of the dielectric plate is shown with solid lines, and the first conductor on the back side of the dielectric board is shown with dotted lines.
  • FIG. 6 is a schematic structural diagram of a conduction member of a combining filter structure in an embodiment of the present invention.
  • FIG. 7 is a schematic front view of a conduction member of a combined filtering structure in an embodiment of the present invention.
  • FIG. 8 is a schematic view of the reverse side of the conduction member of the combined filtering structure in one embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a conduction member of a combined filtering structure in an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a conduction member of a combining filter structure in an embodiment of the present invention, the left side shows the front schematic view of the conduction member, and the right side shows the reverse schematic diagram of the conduction member.
  • FIG. 11 is a schematic structural diagram of a conduction member of a combined filtering structure in an embodiment of the present invention.
  • FIG. 12 is a perspective view of a conduction member of a combining filter structure in an embodiment of the present invention.
  • FIG. 13 is a schematic structural diagram of the combined phase shifter of the present invention.
  • the present invention provides a combined filtering structure, the combined filtering structure includes a plurality of filters and a conducting element, a plurality of signals are respectively fed into the plurality of filters, and the filters filter the corresponding signals and output the filtered signals, A plurality of filters correspondingly output a plurality of filtering signals, and the plurality of filtering signals are combined and output through the conducting element.
  • the combined filter structure 10 includes two filters and a conducting member 50 .
  • the filter 30 includes a dielectric plate 31 and two conductors.
  • the two conductors are a first conductor and a second conductor respectively.
  • the first conductor is disposed on the front surface of the dielectric plate 31 and the second conductor is disposed on the On the reverse side of the dielectric plate 31 .
  • the first conductor includes two mutually parallel molding lines disposed on the front surface of the dielectric plate 31 , the two molding lines are a first molding line 32 and a second molding line 33 respectively, and the two molding lines are Through the conduction of the through strips, a feeding point 321 is provided at the end of the first molding wire 32 that is not electrically connected to the second molding wire 33, and the external signal is fed into the filter 30 from the feeding point 321.
  • the end of the wire 33 that is not electrically connected to the first molding wire 32 is provided with an output end 332 , and the output end 332 is electrically connected to a metallized via 333 .
  • the second conductor includes two open lines disposed on the reverse side of the dielectric plate 31 , the two open lines are the first open line 34 and the second open line 35 respectively, and the two open lines are not connected. One end of the open line is provided with a coupling piece, and the other end is open.
  • the projection of the two modeling lines of the first conductor on the vertical direction (thickness direction) of the dielectric plate 31 (hereinafter referred to as the projection refers to the projection in the vertical direction of the dielectric plate 31 ) and the two modeling lines of the second conductor
  • the projections of the open lines are arranged parallel to each other and side by side.
  • the coupling piece of the first open line 34 (the coupling piece is called the first coupling piece 341 ), the projection of the first coupling piece 341 and the part of the first molding line 32 (the part of the first molding line 32 is called the first The projections of the coupling portion 322) are coincident. Since the projection of the first coupling sheet 341 coincides with the projection of the first coupling portion 322 , the first coupling sheet 341 can couple the signal passing through a part of the frequency band of the first molding line 32 from the first coupling portion 322 to the first coupling portion 322 .
  • the signal of the part of the frequency band obtained by coupling is output to the open end of the first open line 34, and the signal of the remaining frequency band on the first molding line 32 will be output to the second molding line 33, that is, in the first molding line 33.
  • the projection of the coupling plate 341 coincides with the projection of the first coupling part 322 to generate a resonance zero point (called the first resonance zero point), allowing or suppressing the partial frequency signal passing through the first resonance zero point.
  • the coupling piece of the second open line 35 (the coupling piece is called the second coupling piece 351 ), the projection of the second coupling piece 351 and the part of the second molding line 33 (the part of the second molding line 33 is called the second The projections of the coupling portion 331) are coincident. Since the projection of the second coupling sheet 351 coincides with the projection of the second coupling portion 331 , the second coupling sheet 351 can transfer the signals of a part of frequency bands of the signals of the remaining frequency bands passing through the second molding line 33 from the second coupling portion to the second coupling portion 331 .
  • the signal is a filtered signal
  • the signal is output to the output terminal 332 of the second molding wire 33, and then is output to the metallized via 333 electrically connected to the output terminal 332, that is to say, the projection of the second coupling sheet 351 and the A resonant zero point (referred to as the second resonant zero point) is generated where the projections of the second coupling part overlap, allowing or suppressing the partial frequency signal traveling to the second resonant zero point.
  • the two filters of the combining filtering structure 10 are the first filter 30 and the second filter 40 respectively, and
  • the foregoing description about the basic principle of the filter is made based on the structure of the first filter 30, but should not be construed as a limitation on the above-mentioned filter structure.
  • the structures of the first filter 30 and the second filter 40 are described in detail below.
  • the first filter 30 and the second filter 40 are arranged parallel to each other in the vertical direction, and the projection of the dielectric plate of the first filter 30 and the projection of the dielectric plate 41 of the second filter 40 coincide with each other.
  • the projection of the via hole 333 of the filter 30 coincides with the projection of the via hole 433 of the second filter 40 .
  • the conducting member 50 is inserted through the two via holes, so as to receive the two-path filtered signals (called the filtered signal output by the first filter 30 ) output by the first filter 30 and the second filter 40 through the respective via holes.
  • the signal is the first filtered signal
  • the filtered signal output by the second filter 40 is called the second filtered signal
  • the conducting member 50 combines the first filtered signal and the second filtered signal.
  • the first filter 30 and the second filter 40 each filter out signals of different frequency bands.
  • the structures of the first conductors and the second conductors of the first filter 30 and the second filter 40 are slightly different.
  • the first molding line 32 is in the form of a straight-through band, and the second molding line 33 is folded in the shape of a pulse square wave.
  • the first open line 34 is arranged along the extension path of the first molding line 32 , the first coupling piece 341 of the first open line 34 is arranged close to the feeding point 321 ; the second open line 35 is along the second molding line
  • the extension path of 33 is arranged, and the second coupling piece 351 of the second open line 35 is arranged close to the end of the second molding line 33 away from the via hole 333 .
  • both the first molding line 42 and the second molding line 43 are in the form of a straight-through band, the first coupling part 422 is provided on the first molding line, and the second coupling part 431 is provided on the first molding line.
  • the first open line 44 is disposed along the extension path of the first molding line 42, and the first coupling piece 441 of the first open line 44 is disposed close to the end of the first molding line 42 away from the feeding point 421;
  • the route 45 is arranged along the extending path of the second molding line 43 , and the second coupling piece 451 of the second open line 45 is arranged close to the end of the second molding line 43 away from the via hole 433 .
  • the reverse side of the dielectric plate 31 of the first filter 30 is opposite to the reverse side of the dielectric plate 41 of the second filter 40
  • the front side of the dielectric plate 31 of the first filter 30 is opposite to the dielectric plate 41 of the second filter 40 .
  • the front faces face different directions, that is, the second conductor of the first filter 30 and the second conductor of the second filter 40 are disposed opposite to each other, so that the first conductor of the first filter 30 and the second conductor of the second filter 40 A conductor is not coupled to avoid mutual interference between the two filters.
  • the conducting member 50 includes a dielectric plate 51 and two attached conductors.
  • the via holes 333 of the first filter 30 and the via holes 433 of the second filter 40 correspond to different positions in the length direction of the conduction member 50 (the thickness direction of the dielectric plate of the first filter 30 ).
  • the two attached conductors are the first attached conductor 52 and the second attached conductor 53 respectively.
  • the first attached conductor 52 is arranged on the front side of the dielectric board 51
  • the second attached conductor 53 is arranged on the reverse side of the dielectric board 51
  • the first attached conductor 52 The second additional conductor 53 is capacitively coupled to each other.
  • the first additional conductor 52 includes a first coupling body 521 and a second coupling body 522 and a separation strip 523 for separating the first coupling body 521 and the second coupling body 522 .
  • Both the first coupling body 521 and the second coupling body 522 include a plurality of attached conductor strips 524, and the plurality of attached conductor strips 524 in the same coupling body are parallel and extend in the same direction, so that the first coupling body 521 and the second coupling body are
  • the 522 is in the shape of a palm or a comb, and is arranged in a cross-parallel manner, so that the first coupling body 521 and the second coupling body 522 are cross-parallel coupled to each other, so that the first additional conductors 52 form an interdigital coupling structure.
  • the second additional conductor 53 includes a third coupling body 531 and a fourth coupling body 532 and a separation strip 533 for separating the third coupling body 531 and the fourth coupling body 532 .
  • Both the third coupling body 531 and the fourth coupling body 532 include a plurality of attached conductor strips 534.
  • the plurality of attached conductor strips 534 are parallel and extend in the same direction, so that the third coupling body 531 and the fourth coupling body are
  • the 532 is palm-like or comb-like, and is arranged in a cross-parallel manner, so that the third coupling body 531 and the fourth coupling body 532 are cross-parallel coupled to each other, so that the second additional conductors 53 form an interdigital coupling structure.
  • the dielectric plate 51 of the conducting member 50 is further provided with two via holes, which are a first via hole 54 and a second via hole 55 respectively.
  • the first via hole 54 is electrically connected to the first coupling body 521 on the front side of the dielectric board 51 and the third coupling body 531 on the back side of the dielectric board 51 ;
  • the second via hole 55 is electrically connected to the front side of the dielectric board 51 .
  • the second coupling body 522 and the fourth coupling body 532 on the opposite side of the dielectric plate 51 .
  • the projections of the first coupling body 521 and the third coupling body 531 and/or the fourth coupling body 532 in the vertical direction overlap, and the first coupling body on the front surface of the dielectric board 51 521 and the third coupling body 531 and/or the fourth coupling body 532 on the opposite side of the dielectric plate 51 can be coupled to each other; the second coupling body 522 and the third coupling body 531 and/or the fourth coupling body 532 are in the vertical direction
  • the projections of the two parts overlap, and the second coupling body 522 on the front surface of the dielectric board 51 and the third coupling body 531 and/or the fourth coupling body 532 on the reverse surface of the dielectric board 51 can be coupled to each other.
  • the first additional conductor 52 is electrically connected to the output end 332 of the first filter 30 through the via hole 333 on the first filter 30, and the first additional conductor 52 receives the first filter signal output by the first filter 30;
  • the second The additional conductor 53 is electrically connected to the output end 432 of the second filter 40 through the via hole 433 on the second filter 40 , and the second additional conductor 53 receives the second filtered signal output by the second filter 40 .
  • the via 333 on the first filter 30 corresponds to the first coupling body 521 or the second coupling body 522 , so that the first filter 30 outputs the first coupling body 521 or the second coupling body 522
  • the first filter signal; the via hole 433 on the second filter 40 corresponds to the third coupling body 531 or the fourth coupling body 532 , so that the second filter 40 outputs the third coupling body 531 or the fourth coupling body 532 the second filtered signal.
  • the first filter 30 outputs the first filtered signal to the first coupling body 521
  • the second filter 40 is assumed to output the second filtering signal to the fourth coupling body 532 .
  • the first coupling body 521 is interdigitally coupled with the second coupling body 522 , is electrically connected with the third coupling body 531 through the via 54 , and is coupled with the fourth coupling body 532 , so that the output is output to the first coupling body 521 on the first coupling body 521 .
  • the filtered signal can be coupled to the second coupling body 522, the third coupling body 531 and the fourth coupling body 532, respectively.
  • the fourth coupling body 532 is interdigitally coupled with the third coupling body 531 , is electrically connected with the second coupling body 522 through the via 55 , and is coupled with the first coupling body 521 , so that the output is output to the first coupling body 521 on the first coupling body 521 .
  • the two filtered signals can be respectively coupled to the third coupling body 531 , the second coupling body 522 and the first coupling body 521 .
  • the first filtered signal and the second filtered signal are output or coupled to the first coupling body 521 , the second coupling body 522 , the third coupling body 531 and the fourth coupling body 532 , respectively, and the first coupling body 521 on the four coupling bodies
  • the filtered signal and the second filtered signal will be uninterruptedly coupled again between the four coupling bodies, so that the first filtered signal and the second filtered signal with different frequency bands are combined.
  • the first attached conductor 52 includes a fifth coupling body 62 , and the fifth coupling body 62 covers the front surface of the dielectric plate 61 of the conducting member 60 ;
  • the two attached conductors 53 include a sixth coupling body 63 , and the sixth coupling body 63 covers the reverse side of the dielectric plate 61 of the conducting member 60 .
  • the fifth coupling body 62 and the sixth coupling body 63 may be coupled with each other.
  • the via hole 333 on the first filter 30 corresponds to the fifth coupling body 62 on the front surface of the dielectric plate 61 of the conducting member 60, so that the first filter 30 outputs the first filtering signal to the fifth coupling body 62;
  • the via hole 433 on the second filter 40 corresponds to the sixth coupling body 63 on the opposite side of the dielectric plate 61 of the conduction member 60 , so that the second filter 40 outputs the second filtering signal to the sixth coupling body 63 .
  • the first filtered signal output from the first filter 30 to the fifth coupling body 62 is coupled to the sixth coupling body 63
  • the second filtered signal output from the second filter 40 to the sixth coupling body 63 is coupled to the sixth coupling body 63 .
  • the fifth coupling body 62 and the sixth coupling body 63 both have the first and second filtering signals, and the first and second filtering signals are uninterruptedly coupled to each other between the two coupling bodies, The first filtered signal and the second filtered signal with different frequency bands are combined.
  • a connection between the fifth coupling body 62 and the sixth coupling body 61 can be opened on the dielectric plate 61 of the conducting body 60.
  • the via holes of the six coupling bodies 63 are provided.
  • the conducting member 70 includes a connection pad 71 and a probe 72 erected on the disc surface of the connection pad 71 .
  • the connection pad 71 is electrically connected to the output end 332 of the first filter 30, and the first filter 30 outputs the first filtered signal to the connection pad 71;
  • the via hole 433 of the second filter 40, but the probe 72 is electrically connected to the output terminal 432 of the second filter 40, but is not electrically connected to the output terminal 332 of the first filter 30.
  • the second filter The controller 40 outputs the second filtered signal to the probe 72 .
  • the first filtered signal output from the first filter 30 to the connection pad 71 is coupled to the probe 72, and the second filtered signal output from the second filter 40 to the probe 72 is coupled to the connection pad 71, so that the connection Both the disk 71 and the probe 72 have first and second filter signals, and the first and second filter signals are also transmitted through each other due to the electrical connection between the probe 72 and the connection disk 71, so that the first filter signals with different frequency bands It is combined with the second filtered signal to realize a combined circuit.
  • the combined filter structure 10 further includes a shielding component, and the shielding component further includes two shielding cavities, and the two shielding cavities are stacked in parallel in the vertical direction (the thickness direction of the filter dielectric plate). , the two shielding cavities are the first shielding cavity 80 and the second shielding cavity 81 respectively.
  • the first filter 30 is packaged in the first shielding cavity 80
  • the second filter 40 is packaged in the second shielding cavity 81 . Because the conduction member passes through the via hole 333 on the dielectric plate 31 of the first filter 30 and the via hole 433 on the dielectric plate 41 of the second filter 40, the first shielding cavity 80 and the second shielding cavity 81 intersect. There is a connection port for passing through the conducting member 50 , so that the filtered signals respectively output by the first filter 30 and the second filter 40 can be combined and output.
  • the shielding assembly further includes a dielectric material 83, and the dielectric material 83 is disposed on both sides of the filter in the shielding cavity.
  • the dielectric material 83 is disposed in the first shielding cavity 80, and the dielectric plate 31 of the first filter 30 is fixed in the first shielding cavity 80; the dielectric material 83 is disposed in the second shielding cavity 81, and the second filter The dielectric plate 41 of the device 40 is fixed in the second shielding cavity 81 .
  • the multi-combination filter structures 10 share the same shielding component.
  • the plurality of first filters 30 of the plurality of combining filter structures 10 are respectively disposed in the first shielding cavity 80 at intervals, and the plurality of second filters 40 of the plurality of combining filter structures 10 correspond to corresponding first filters 30 .
  • the filters 30 are arranged at intervals in the second shielding cavity 81 , and a corresponding position and number of connection ports are provided between the first shielding cavity 80 and the second shielding cavity 81 .
  • the first conductor, the second conductor, the first attached conductor 52 and the second attached conductor 53 are printed on the corresponding dielectric boards in the form of microstrip lines or copper material, silver material or gold material.
  • the present invention also provides a combined phase shifter, see FIG. 13 , the combined phase shifter includes two sets of phase shifting circuits and a plurality of the above-mentioned combined filter structures. Each group of phase shifting circuits is used to divide the signal of a single independent frequency band into multiple signals with different phases.
  • the two sets of phase shifting circuits are respectively a first phase shifting circuit 91 and a second phase shifting circuit 92 .
  • the first phase-shifting circuits 91 respectively feed the first phase-shifting signals to the plurality of first filters 30, and the first filters 30 filter the first phase-shifting signals and output the first filtered signals;
  • the plurality of second filters 40 are fed with second phase-shifted signals, and the second filters 40 filter the second phase-shifted signals and output a second filtered signal.
  • the conducting element 50 of the corresponding combining filtering structure 10 receives the filtered first filtered signal and the second filtered signal, and combines the first filtered signal and the second filtered signal.
  • the first filter 30 filters out the signal in the center frequency band of the second phase-shifted signal in the first phase-shifted signal
  • the second filter 40 filters out the first phase-shifted signal in the second phase-shifted signal Phase-shift the signal in the center band of the signal.
  • a group of phase shifting circuits and filters corresponding to the same independent frequency band are printed on the same common dielectric board. That is to say, the first phase shift circuit 91 and the first filter 30 are printed on the same dielectric board, and the second phase shift circuit 92 and the second filter 40 are printed on the same dielectric board.
  • the combined filtering structure of the present invention filters multiple signals through multiple filters, outputs the filtered signals obtained by the multiple filters to the conducting body, and combines the multiple filtering signals through the conducting body. road.

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Abstract

本发明提供了一种合路滤波结构及合路移相器，所述合路滤波结构，包括用于将对方所通行的频段的信号从自身通行的频段的信号中滤除的两个滤波器，每个滤波器均包括介质板及印制在介质板两面的导体，其中一面的导体包括相导通的两条平行的造型线，另一面的导体包括两条开路线；每条开路线对应与其中一条造型线以投影相平行的方式并排设置，其一端设有耦合片，所述耦合片与其对应的造型线的局部在投影上相重合；每个滤波器中，由所述造型线之一馈入的信号经滤波后自另一造型线输出，两个滤波器滤波后的信号被导通连接实现合路输出。本发明的合路滤波结构通过两个滤波器分别对一路信号滤波，并将两个滤波器滤波后所获取的滤波信号合路输出。

Description

合路滤波结构及合路移相器 技术领域
本发明属于移动通信技术领域，具体涉及一种合路滤波结构，以及配置了所述合路滤波结构的合路移相器。
背景技术
在移动通信领域中，通过合路器对多路信号进行合路，输出一路信号。但多路信号中往往具有杂质信号，多路信号在合路时也将杂质信号一起合路到一路信号中，但杂质信号往往会拓宽合路信号的带宽，使得合路信号的中心频率偏移，不利于对外发射合路信号，为了保持合路信号的中心频率不偏移，则需要在对多路信号合路之前通过滤波器滤除杂质信号。
腔体移相器中这种现象的处理更为重要。腔体移相器往往包含多层腔体，每层腔体均包含一个移相网络，一个移相网络将一个信号进行功分多路移相输出后的信号，将与另一个移相网络的同类输出的信号进行合路输出，两个移相网络分别被处理不同频段的信号，不同频段的信号容易互相干扰，因此，对于这种情况，尤其需要考虑其合路滤波结构的优化。
发明内容
本发明的首一目的在于提供一种可滤波与合路的合路滤波结构。
本发明的另一目的在于提供一种合路移相器。
适应于本发明的目的，本发明采用如下技术方案：
适于本发明的首一目的而提供一种合路滤波结构，包括用于将对方所通行的频段的信号从自身通行的频段的信号中滤除的两个滤波器，
每个滤波器均包括介质板及印制在介质板两面的导体，其中一面的导体包括相导通的两条平行的造型线，另一面的导体包括两条开路线；
每条开路线对应与其中一条造型线以投影相平行的方式并排设置，其一端设有耦合片，所述耦合片与其对应的造型线的局部在投影上相重合；
每个滤波器中，由所述造型线之一馈入的信号经滤波后自另一造型线输出，两个滤波器滤波后的信号被导通连接实现合路输出。
进一步的，每个滤波器中，每条开路线耦合与其对应的造型线上传输的信号以产生两个谐振零点中的一个。
进一步的，两个滤波器之间设有实现将彼此滤波后的信号的合路输出的导通件。
进一步的，所述导通件包括介质板及印制在介质板上的附设导体，导通件两头分别插置于所述两个滤波器的介质板上的过孔处，使所述附设导体分别与该两个滤波器上的用于信号输出的造型线电性连接以实现将两路信号合路输出。
具体的，所述附设导体包括第一附设导体和第二附设导体，分别印制于其介质板的两面，第一附设导体与第二附设导体容性耦合。
具体的，所述第一附设导体与第二附设导体均包括并排的多条导体带，两者的导体带彼此交叉呈交指耦合结构。
在一个实施例中，所述导通件包括连接盘及竖立于连接盘的盘面的探针，所述探针穿过所述两个滤波器的介质板上的过孔，使连接盘与其中一个滤波器用于信号输出的造型线电性连接，且使所述探针与另一滤波器用于信号输出的造型线电性连接。
进一步的，所述附设导体具有容性耦合结构，以使所述两路信号容性耦合为同一路。
具体的，其中的一个滤波器的一条造型线呈脉冲方波状绕折设置。
具体的，其中的一个滤波器的至少一条开路线具有折弯结构。
进一步的，所述两个滤波器被封装于一对平行屏蔽腔体中，所述屏蔽腔体对应两个滤波器合路输出的导通连接位置处预留有连接端口。
具体的，每个所述的屏蔽腔体中，在滤波器的两侧均设置有介质材料。
具体的，同一屏蔽腔体中设置有多个所述的合路滤波结构并对应预留多个所述的连接端口，各个合路滤波结构中用于同频段的滤波器分别用于馈入该频段的不同相位的信号。
适于本发明的另一目的而提供一种合路移相器，其包括两组移相电路，每组移相电路用于将单个独立频段的信号分为相位不同的多路信号，该合路移相器还对应每种相位的多路信号设置同样多个首一目的所实现的所述的合路滤波结构，以将一组移相电路的所述多路信号一一对应馈入相应的合路滤波结构的 一个滤波器中进行滤波，且将另一组移相电路的所述多路信号一一对应馈入相应的合路滤波结构的另一滤波器中进行滤波。
进一步的，所述移相电路印制在介质板上，每一组移相电路与其相对应的多个合路滤波结构中的滤波器共用介质板。
相对于现有技术，本发明的优势如下：
首先，本发明的合路滤波结构包括两个滤波器，每个滤波器通过分别设置于介质板两面上的导体相互耦合所产生的两个谐振零点，将馈入滤波器的部分频段的信号滤除，以达到滤波的目的。之后，便可将两个滤波器滤波后的信号合路输出。
其次，本发明的滤波器包括分别设置于介质板两面的造型线与开路线，每条开路线对应一条造型线以投影相平行的方式并排设置，且开路线的一端设有耦合片，耦合片与该开路线所对应的造型线的局部在投影相重合，使得耦合片可从造型线上耦合部分频段的信号，产生谐振零点，从而到达滤波的目的，该滤波方式简单，拓宽滤波频带，优化抑制性能，增加了电路的有效使用面积，且滤波器结构简单，便于生产制造。
本发明附加的方面和优点将在下面的描述中部分给出，这些将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为本发明的合路滤波结构的电路结构示意图。
图2为本发明的合路滤波结构的第一滤波器介质板的立体图，示出其正面。
图3为本发明的合路滤波结构的第一滤波器的正面透视图，在介质板正面的第一导体以实线示出，在介质板反面第二导体以虚线示出。
图4为本发明的合路滤波结构的第二滤波器介质板的立体图，示出其正面。
图5为本发明的合路滤波结构的第二滤波器的正面透视图，在介质板正面的第二导体以实线示出，在介质板反面的第一导体以虚线示出。
图6为本发明的一个实施例中的合路滤波结构的导通件的结构示意图。
图7为本发明的一个实施例中的合路滤波结构的导通件的正面示意图。
图8为本发明的一个实施例中的合路滤波结构的导通件的反面示意图。
图9为本发明的一个实施例中的合路滤波结构的导通件的结构示意图。
图10为本发明的一个实施例中的合路滤波结构的导通件的示意图，左侧示出导通件的正面示意图，右侧示出导通件的反面示意图。
图11本发明的一个实施例中的合路滤波结构的导通件的结构示意图。
图12为本发明的一个实施例中的合路滤波结构的导通件的立体图。
图13为本发明的合路移相器的结构示意图。
具体实施方式
下面详细描述本发明的实施例，所述实施例的实例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是实例性的，仅用于解释本发明而不能解释为对本发明的限制。
本技术领域技术人员可以理解，除非特意声明，这里使用的单数形式″一″、″一个″、″所述″和″该″也可包括复数形式。应该进一步理解的是，本发明的说明书中使用的措辞″包括″是指存在所述特征、整数、步骤、操作、元件和/或组件，但是并不排除存在或添加一个或多个其他特征、整数、步骤、操作、元件和/或组件，但是并不排排除存在或添加一个或多个其他特征、整数、步骤、操作、元件、组件和/或它们的组。应该理解，当我们称元件被″连接″或″耦接″到另一元件时，它可以直接连接或耦接到其他元件，或者也可以存在中间元件。此外，这里使用的″连接″或″耦接″可以包括无线连接或无线耦接。这里使用的措辞″和/或″包括一个或更多个相关联的列出项的全部或任一单元和全部组合。
本技术领域技术人员可以理解，除非另外定义，这里使用的所有术语(包括技术术语和科学术语)，具有与本发明所属领域中的普通技术人员的一般理解相同的意义。还应该理解的是，诸如通用字典中定义的那些术语，应该被理解为具有与现有技术的上下文中的意义一致的意义，并且除非像这里一样被特定定义，否则不会用理想化或过于正式的含义来解释。
本发明提供了一种合路滤波结构，该合路滤波结构包括多个滤波器与导通件，将多个信号分别馈入该多个滤波器，滤波器对相应的信号滤波输出滤波信 号，多个滤波器对应输出多个滤波信号，多个滤波信号通过导通件合路输出。
为了较佳的揭示本发明的技术方案，在本发明的典型实施例中，参见图1，所述合路滤波结构10包括两个滤波器以及一个导通件50。
所述滤波器30包括介质板31及两个导体，所述两个导体分别为第一导体与第二导体，所述第一导体设置于介质板31的正面上，所述第二导体设置于介质板31的反面上。
参见图2，所述第一导体包括设置在介质板31正面上的两条相互平行的造型线，该两条造型线分别为第一造型线32与第二造型线33，该两条造型线通过直通带相互导通，在第一造型线32不与第二造型线33电性连接的一端设有馈电点321，外界信号从该馈电点321馈入滤波器30，在第二造型线33不与第一造型线32电性连接的一端设有输出端332，该输出端332与一金属化过孔333电性连接。
所述第二导体包括设置在介质板31反面上的两条开路线，该两条开路线分别为第一开路线34与第二开路线35，该两条开路线不相连接。开路线的一端设有耦合片，另一端开路设置。
参见图3，第一导体的两条造型线在介质板31的垂直方向(厚度方向)上的投影(以下所称投影均指在介质板31的垂直方向的投影)与第二导体的两条开路线的投影相互平行且并排设置。
第一开路线34的耦合片(称该耦合片为第一耦合片341)，该第一耦合片341的投影与第一造型线32的局部(称该第一造型线32的局部为第一耦合部322)的投影的相重合。由于第一耦合片341的投影与第一耦合部322的投影相重合，第一耦合片341可将行经第一造型线32的一部分频段的信号从第一耦合部322耦合至其上，并将耦合获取的所述一部分频段的信号输出至第一开路线34的开路端，而第一造型线32上所剩余频段的信号将被输出至第二造型线33，也即是说，在第一耦合片341的投影与第一耦合部322的投影重合处产生一个谐振零点(称该谐振零点为第一谐振零点)，通行或抑制行经至第一谐振零点的部分频率的信号。
第二开路线35的耦合片(称该耦合片为第二耦合片351)，该第二耦合片351的投影与第二造型线33的局部(称该第二造型线33的局部为第二耦合部331)的投影相重合。由于第二耦合片351的投影与第二耦合部331的投影相重合，第二耦合片351可将行经第二造型线33的所述剩余频段的信号中的一 部分频段的信号从第二耦合部331耦合至其上，并将耦合获取的一部分频段信号输出至第二开路线35的开路端，而第二造型线33上未被滤去的频段的信号(称该未被滤去的频段的信号为滤波信号)输出至第二造型线33的输出端332，之后再被输出至与输出端332电性连接的金属化过孔333，也即是说，在第二耦合片351的投影与第二耦合部的投影重合处产生了一个谐振零点(称该谐振零点为第二谐振零点)，通行或抑制行经至第二谐振零点的部分频率的信号。
由此，在滤波器30上产生了两个谐振零点，使得馈入滤波器30中的信号在行经第一谐振零点与第二谐振零点之后将会被滤去部分频段的信号，从而达到滤波的目的。
以上为本发明的合路滤波结构10的滤波器的基本原理，在本发明典型实施例中的合路滤波结构10的两个滤波器分别为第一滤波器30与第二滤波器40，且前述关于滤波器的基本原理的叙述是基于所述第一滤波器30的结构而作出的，但不应理解为对上述滤波器结构的限制。以下详述第一滤波器30与第二滤波器40的结构。
第一滤波器30与第二滤波器40在垂直方向上相互平行设置，且第一滤波器30的介质板的投影与第二滤波器40的介质板41的投影相互重合，所述第一滤波器30的过孔333的投影与第二滤波器40的过孔433的投影相重合。
导通件50插接穿设于该两个过孔，以便接收第一滤波器30与第二滤波器40经各自的过孔而输出的两路滤波信号(称第一滤波器30输出的滤波信号为第一滤波信号，称第二滤波器40输出的滤波信号为第二滤波信号)，导通件50对第一滤波信号与第二滤波信号进行合路。
在本发明的典型实施例中，所述第一滤波器30与第二滤波器40各所滤去不同频段的信号，为便于第一滤波器30与第二滤波器40滤去不同频段的信号，第一滤波器30与第二滤波器40各自的第一导体与第二导体的结构上略有差异。
具体而言，在第一滤波器30中，参见图2，第一造型线32呈直通带样式，第二造型线33呈脉冲方波状绕折设置。第一开路线34沿所述第一造型线32的延伸路径设置，第一开路线34的第一耦合片341靠近所述馈电点321设置；第二开路线35沿所述第二造型线33的延伸路径设置，第二开路线35的第二耦合片351靠近第二造型线33的远离过孔333的一端设置。
在第二滤波器40中，参见图5，第一造型线42与第二造型线43均呈直通带样式，第一耦合部422设置于第一造型线上，第二耦合部431设置于第二造 型线上。第一开路线44沿所述第一造型线42的延伸路径设置，第一开路线44的第一耦合片441设置于靠近第一造型线42的远离馈电点421的一端设置；第二开路线45沿所述第二造型线43的延伸路径设置，第二开路线45的第二耦合片451靠近第二造型线43的远离过孔433的一端设置。
参见图1，第一滤波器30的介质板31反面与第二滤波器40的介质板41反面上相对设置，第一滤波器30的介质板31的正面与第二滤波器40的介质板41正面朝向不同方向，也即是说，第一滤波器30的第二导体与第二滤波器40的第二导体相对设置，使得第一滤波器30的第一导体与第二滤波器40的第一导体不相耦合，避免两个滤波器相互干扰滤波。
在本发明的典型实施例中，参见图6-8，所述导通件50包括介质板51与两个附设导体。第一滤波器30的过孔333与第二滤波器40的过孔433对应导通件50的长度方向(第一滤波器30的介质板的厚度方向)的不同位置。
该两个附设导体分别为第一附设导体52与第二附设导体53，第一附设导体52设置于介质板51的正面，第二附设导体53设置于介质板51的反面，第一附设导体52与第二附设导体53彼此容性耦合设置。
参见图7，第一附设导体52包括第一耦合体521与第二耦合体522以及用于分隔第一耦合体521与第二耦合体522的分隔带523。第一耦合体521与第二耦合体522均包括多个附设导体带524，同一耦合体中该多个附设导体524带相平行，朝同一方向延伸，使得第一耦合体521与第二耦合体522呈手掌状或梳子状，交叉平行设置，从而第一耦合体521的与第二耦合体522相互交叉平行耦合，以使得第一附设导体52形成交指耦合结构。
参见图8，第二附设导体53包括第三耦合体531与第四耦合体532以及用于分隔第三耦合体531与第四耦合体532的分隔带533。第三耦合体531与第四耦合体532均包括多个附设导体带534，同一耦合体中该多个附设导体带534相平行，朝同一方向延伸，使得第三耦合体531与第四耦合体532呈类手掌状或类梳子状，交叉平行设置，使得第三耦合体531与第四耦合体532相互交叉平行耦合，以使得第二附设导体53形成交指耦合结构。
导通件50的介质板51上还设有两个过孔，分别为第一过孔54与第二过孔55。所述第一过孔54电性连接介质板51正面上的第一耦合体521与介质板51反面上的第三耦合体531；所述第二过孔55电性连接介质板51正面上的第二耦合体522与介质板51反面上的第四耦合体532。
第一耦合体521和第三耦合体531和/或第四耦合体532在垂直方向(导通件50介质板51的厚度方向)上的投影部分重合，介质板51正面上的第一耦合体521与介质板51反面上的第三耦合体531和/或第四耦合体532之间可相互耦合；第二耦合体522和第三耦合体531和/或第四耦合体532在垂直方向上的投影部分重合，介质板51正面上的第二耦合体522与介质板51反面上的第三耦合体531和/或第四耦合体532之间可相互耦合。
第一附设导体52与第一滤波器30的输出端332通过第一滤波器30上的过孔333电性连接，第一附设导体52接收第一滤波器30输出的第一滤波信号；第二附设导体53与第二滤波器40的输出端432通过第二滤波器40上的过孔433电性连接，第二附设导体53接收第二滤波器40输出的第二滤波信号。
具体而言，第一滤波器30上的过孔333对应所述第一耦合体521或第二耦合体522，使得第一滤波器30向第一耦合体521或第二耦合体522输出所述第一滤波信号；第二滤波器40上的过孔433对应所述第三耦合体531或第四耦合体532，使得第二滤波器40向第三耦合体531或第四耦合体532输出所述第二滤波信号。
为便于揭示本发明，设第一滤波器30向第一耦合体521输出第一滤波信号，设第二滤波器40相第四耦合体532输出第二滤波信号。
因，第一耦合体521与第二耦合体522交指耦合、与第三耦合体531通过过孔54电性连接以及与第四耦合体532耦合，使得输出至第一耦合体521上第一滤波信号可分别被耦合至第二耦合体522、第三耦合体531以及第四耦合体532上。
且，第四耦合体532与第三耦合体531交指耦合、与第二耦合体522通过过孔55电性连接以及与第一耦合体521耦合，使得输出至第一耦合体521上的第二滤波信号可分别被耦合至第三耦合体531、第二耦合体522以及第一耦合体521上。
第一滤波信号与第二滤波信号均分别被输出或耦合至第一耦合体521、第二耦合体522、第三耦合体531以及第四耦合体532上，而四个耦合体上的第一滤波信号与第二滤波信号将在该四个耦合体之间再次不间断的耦合，进而使得频段不同的第一滤波信号与第二滤波信号实现合路。
在另一个实施例中，参见图9与图10，所述第一附设导体52包括第五耦合体62，所述第五耦合体62覆盖导通件60的介质板61的正面；所述第二附 设导体53包括第六耦合体63，所述第六耦合体63覆盖导通件60的介质板61的反面。第五耦合体62与第六耦合体63之间可相互耦合。
第一滤波器30上的过孔333对应导通件60的介质板61的正面上的第五耦合体62，使得第一滤波器30向第五耦合体62输出所述第一滤波信号；第二滤波器40上的过孔433对应导通件60的介质板61的反面上的第六耦合体63，使得第二滤波器40向第六耦合体63输出所述第二滤波信号。
第一滤波器30输出至第五耦合体62上的第一滤波信号被耦合至第六耦合体63上，第二滤波器40输出至第六耦合体63上的第二滤波信号被耦合至第二耦合体522上，使得第五耦合体62与第六耦合体63上均具有第一、第二滤波信号，第一、第二滤波信号在该两个耦合体之间不间断的相互耦合，使得频段不同的第一滤波信号与第二滤波信号实现合路。
为增强第一滤波信号与第二滤波信号在第五耦合体62和第六耦合体63之间相互耦合的效率，可在导通体60的介质板61上开设连接第五耦合体62与第六耦合体63的过孔。
在又一个实施例中，参见图11与图12，所述导通件70包括连接盘71与竖立于连接盘71的盘面上的探针72。连接盘71与第一滤波器30的输出端332电性连接，第一滤波器30将第一滤波信号输出至连接盘71上；探针72穿设于第一滤波器30的过孔333与第二滤波器40的过孔433，但探针72至与第二滤波器40上的输出端432电性连接，而不与第一滤波器30上的输出端332电性连接，第二滤波器40将第二滤波信号输出至探针72。
第一滤波器30输出至连接盘71上的第一滤波信号被耦合至探针72上，第二滤波器40输出至探针72上的第二滤波信号被耦合至连接盘71上，使得连接盘71与探针72上均具有第一、第二滤波信号，且第一、第二滤波信号还通过因探针72与连接盘71电性连接而相互传输，使得频段不同的第一滤波信号与第二滤波信号相互交融实现合路。
在本发明的典型实施例中，所述合路滤波结构10还包括屏蔽组件，屏蔽组件还包括两个屏蔽腔，该两个屏蔽腔在垂直方向(滤波器介质板的厚度方向)层叠平行设置，该两个屏蔽腔分别为第一屏蔽腔80与第二屏蔽腔81。
第一滤波器30封装于第一屏蔽腔80内，第二滤波器40封装于第二屏蔽腔81内。因导通件穿设第一滤波器30的介质板31上的过孔333与第二滤波器40的介质板41上的过孔433，第一屏蔽腔80与第二屏蔽腔81相交处设有 连接端口，以用于导通件50的穿设，便于第一滤波器30与第二滤波器40分别输出的滤波信号合路输出。
所述屏蔽组件还包括介质材料83，在屏蔽腔中介质材料83设置于滤波器两侧。在第一屏蔽腔80内设置所述介质材料83，将第一滤波器30的介质板31固定于第一屏蔽腔80内；第二屏蔽腔81内设置所述介质材料83，将第二滤波器40的介质板41固定于第二屏蔽腔81内。
在进一步的实施例中，参见图13，所述多组合路滤波结构10共用同一个屏蔽组件。所述该多个合路滤波结构10的多个第一滤波器30分别间隔设置于第一屏蔽腔80中，该多个合路滤波结构10的多个第二滤波器40对应相应的第一滤波器30而间隔设置于第二屏蔽腔81，且第一屏蔽腔80与第二屏蔽腔81之间设有相应位置与数量的连接端口。
在一个实施例中，第一导体、第二导体、第一附设导体52及第二附设导体53以微带线或铜材料或银材料或金材料的形式印制于相应的介质板上。
本发明还提供了一种合路移相器，参见图13，该合路移相器包括两组移相电路以及多个上文所述的合路滤波结构。每组移相电路用于将单个独立频段的信号分为相位不同的多路信号。该两组移相电路分别为第一移相电路91与第二移相电路92。
第一移相电路91分别向该多个第一滤波器30馈入第一移相信号，第一滤波器30对第一移相信号滤波输出第一滤波信号；第二移相电路92分别向该多个第二滤波器40馈入第二移相信号，第二滤波器40对第二移相信号滤波输出第二滤波信号。相应的合路滤波结构10的导通件50接收滤波后的第一滤波信号与第二滤波信号，对第一滤波信号与第二滤波信号进行合路。
在一个较佳的实施例中，第一滤波器30滤除第一移相信号中的第二移相信号的中心频段的信号，第二滤波器40滤除第二移相信号中的第一移相信号的中心频段的信号。
在一个实施例中，同一独立频段相对应的一组移相电路与滤波器印制在同一共用的介质板上。也即是说，第一移相电路91与第一滤波器30印制在同一块介质板上，第二移相电路92与第二滤波器40印制在同一块介质板上。
综上所述，本发明的合路滤波结构通过多个滤波器对多个信号滤波，将多 个滤波器所获取的滤波信号输出至导通体上，通过导通体对多个滤波信号合路。
以上描述仅为本发明的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本发明中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离上述发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本发明中发明的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。
尽管已经采用特定于结构特征和/或方法逻辑动作的语言描述了本主题，但是应当理解所附权利要求书中所限定的主题未必局限于上面描述的特定特征或动作。相反，上面所描述的特定特征和动作仅仅是实现权利要求书的示例形式。

Claims (15)

  1. 一种合路滤波结构，包括用于将对方所通行的频段的信号从自身通行的频段的信号中滤除的两个滤波器，其特征在于：
    每个滤波器均包括介质板及印制在介质板两面的导体，其中一面的导体包括相导通的两条平行的造型线，另一面的导体包括两条开路线；
    每条开路线对应与其中一条造型线以投影相平行的方式并排设置，其一端设有耦合片，所述耦合片与其对应的造型线的局部在投影上相重合；
    每个滤波器中，由所述造型线之一馈入的信号经滤波后自另一造型线输出，两个滤波器滤波后的信号被导通连接实现合路输出。
  2. 根据权利要求1所述的合路滤波结构，其特征在于：每个滤波器中，每条开路线耦合与其对应的造型线上传输的信号以产生两个谐振零点中的一个。
  3. 根据权利要求1所述的合路滤波结构，其特征在于：两个滤波器之间设有实现将彼此滤波后的信号的合路输出的导通件。
  4. 根据权利要求3所述的合路滤波结构，其特征在于：所述导通件包括介质板及印制在介质板上的附设导体，导通件两头分别插置于所述两个滤波器的介质板上的过孔处，使所述附设导体分别与该两个滤波器上的用于信号输出的造型线电性连接以实现将两路信号合路输出。
  5. 根据权利要求4所述的合路滤波结构，其特征在于：所述附设导体包括第一附设导体和第二附设导体，分别印制于其介质板的两面，第一附设导体与第二附设导体容性耦合。
  6. 根据权利要求5所述的合路滤波结构，其特征在于：所述第一附设导体与第二附设导体均包括并排的多条导体带，两者的导体带彼此交叉呈交指耦合结构。
  7. 根据权利要求3所述的合路滤波结构，其特征在于：所述导通件包括连接盘及竖立于连接盘的盘面的探针，所述探针穿过所述两个滤波器的介质板上的过孔，使连接盘与其中一个滤波器用于信号输出的造型线电性连接，且使所述探针与另一滤波器用于信号输出的造型线电性连接。
  8. 根据权利要求3所述的合路滤波结构，其特征在于：所述附设导体具有容性耦合结构，以使所述两路信号容性耦合为同一路。
  9. 根据权利要求1所述的合路滤波结构，其特征在于：其中的一个滤波器的一条造型线呈脉冲方波状绕折设置。
  10. 根据权利要求1所述的合路滤波结构，其特征在于：其中的一个滤波 器的至少一条开路线具有折弯结构。
  11. 根据权利要求1至10中任意一项所述的合路滤波结构，其特征在于：所述两个滤波器被封装于一对平行屏蔽腔体中，所述屏蔽腔体对应两个滤波器合路输出的导通连接位置处预留有连接端口。
  12. 根据权利要求11所述的合路滤波结构，其特征在于：每个所述的屏蔽腔体中，在滤波器的两侧均设置有介质材料。
  13. 根据权利要求11所述的合路滤波结构，其特征在于：同一屏蔽腔体中设置有多个所述的合路滤波结构并对应预留多个所述的连接端口，各个合路滤波结构中用于同频段的滤波器分别用于馈入该频段的不同相位的信号。
  14. 一种合路移相器，其包括两组移相电路，每组移相电路用于将单个独立频段的信号分为相位不同的多路信号，其特征在于：该合路移相器还对应每种相位的多路信号设置同样多个如权利要求1至13任意一项所述的合路滤波结构，以将一组移相电路的所述多路信号一一对应馈入相应的合路滤波结构的一个滤波器中进行滤波，且将另一组移相电路的所述多路信号一一对应馈入相应的合路滤波结构的另一滤波器中进行滤波。
  15. 根据权利要求14所述的合路移相器，其特征在于：所述移相电路印制在介质板上，每一组移相电路与其相对应的多个合路滤波结构中的滤波器共用介质板。
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