CN105428766B - Miniaturized ultra-short wave multiplexer - Google Patents
Miniaturized ultra-short wave multiplexer Download PDFInfo
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- CN105428766B CN105428766B CN201510991991.9A CN201510991991A CN105428766B CN 105428766 B CN105428766 B CN 105428766B CN 201510991991 A CN201510991991 A CN 201510991991A CN 105428766 B CN105428766 B CN 105428766B
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- cavity body
- number end
- filter
- body filter
- odd number
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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
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
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Abstract
The invention discloses a miniaturized ultra-short wave multiplexer with the waveband frequency of 28-89 MHz. The miniaturized ultra-short wave multiplexer comprises a bracket, odd number end elements arranged at one side of the bracket and even number end elements arranged at the other side of the bracket, wherein the odd number sequence elements include 12 odd number end cavity filters, an odd number end multiplexer and an odd number end low-pass filter, wherein an input port of the first cavity filter is connected to an output port of the odd number end low-pass filter; the even number sequence elements include 12 even number end cavity filters, an even number end multiplexer and an even number end low-pass filter; wherein an input port of the second cavity filter is connected with an output port of the even number end low-pass filter. The miniaturized ultra-short wave multiplexer has the advantages of simple structure, reasonable design, convenient and quick implementation and debugging, high Q value, low passing band insertion loss, large power capacity, small temperature excursion, strong practicability, good use effect and convenience for popularization and application.
Description
Technical field
The invention belongs to multiplexer technical field is and in particular to a kind of minimize ultrashort wave multiplexer.
Background technology
Multiplexer has the weight such as frequency-selecting, frequency dividing, isolation signals in the systems such as Modern Satellite communication, radar and remote sensing technology
The effect wanted, the quality of its performance will directly influence the running quality of whole system.It is used for vehicle-mounted passive in prior art to lead to
The ultrashort wave multiplexer of letter, is added two duplexers by 24 cavity body filters and is formed by SFT-50-3-1 half steel cable tandem,
Equipped with five coupling coils in each cavity body filter, each coupling coil be fixed on a diameter of 24.5 millimeters, length be 73
On the polytetrafluorethylescrewed screwed skeleton of millimeter, the volume of whole multiplexer is 25.46 cubic decimeters, and weight is 27.4 kilograms；Deposit
Volume excessive, relatively costly, be not easy to install defect and deficiency, and make vehicle payload low.
Content of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, provides a kind of miniaturization super
Shortwave multiplexer, its structure is simple, reasonable in design, realizes and debugging is convenient and swift, Q value is high, and pass band insertion loss is low, and power holds
Amount is big, and temperature drift is little, practical, and using effect is good, is easy to promote the use of.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of ultrashort wave multiplexer of miniaturization, it is special
Levy and be：The described audio range frequency minimizing ultrashort wave multiplexer is 28MHz～89MHz, the ultrashort wave multiplexer of described miniaturization
Including bracket and be arranged on the odd number end element of side on bracket and be arranged on the even number end element of opposite side on bracket, described
Odd numbered sequences element includes 12 odd number end cavity body filters, odd number end duplexer and odd number end low pass filter, 12 odd numbers
End cavity body filter is respectively the first cavity body filter, the 3rd cavity body filter, the 5th cavity body filter, the 7th cavity filtering
Device, the 9th cavity body filter, the 11st cavity body filter, the 13rd cavity body filter, the 15th cavity body filter, the 17th chamber
Fluid filter, the 19th cavity body filter, the 21st cavity body filter and the 23rd cavity body filter, described first cavity
Wave filter, the 3rd cavity body filter, the 5th cavity body filter, the 7th cavity body filter, the 9th cavity body filter and the 11st chamber
Fluid filter is in parallel to be connected by the high-end input port of the first tandem cable and odd number end duplexer for the output port after a group
Connect, described 13rd cavity body filter, the 15th cavity body filter, the 17th cavity body filter, the 19th cavity body filter,
21 cavity body filters and the 23rd cavity body filter in parallel for the output port after a group pass through the second tandem cable with
The connection of low-side input terminal mouth, the input port of described first cavity body filter and the odd number end low pass filter of odd number end duplexer
Output port connect；Described even order element includes 12 even number end cavity body filters, even number end duplexer and even number end
Low pass filter, 12 even number end cavity body filters are respectively the second cavity body filter, the 4th cavity body filter, the 6th cavity filter
Ripple device, the 8th cavity body filter, the tenth cavity body filter, the 12nd cavity body filter, the 14th cavity body filter, the 16th chamber
Fluid filter, the 18th cavity body filter, the 20th cavity body filter, the 22nd cavity body filter and the filter of the 24th cavity
Ripple device, described second cavity body filter, the 4th cavity body filter, the 6th cavity body filter, the 8th cavity body filter, the tenth cavity
Wave filter and the parallel connection of the 12nd cavity body filter pass through the 3rd tandem cable and even number end duplexer for the output port after a group
Low-side input terminal mouth connect, described 14th cavity body filter, the 16th cavity body filter, the 18th cavity body filter, the
20 cavity body filters, the 22nd cavity body filter and the 24th cavity body filter are in parallel to be led to for the output port after a group
The high-end input port crossing the 4th tandem cable with even number end duplexer is connected, the input port of described second cavity body filter with
The output port of even number end low pass filter connects.
Above-mentioned one kind minimize ultrashort wave multiplexer it is characterised in that：12 odd number end cavity body filters are arranged in order
It is laid at the edge placement of side on bracket, 12 even number end cavity body filters are arranged in order and are laid in opposite side on bracket
At edge placement, described first cavity body filter is relative with the second cavity body filter to be laid, described 23rd cavity body filter
It is double that laying relative with the 24th cavity body filter, described odd number end duplexer and odd number end low pass filter are encapsulated in odd number end
It is arranged on bracket middle position near the 23rd cavity body filter and the 20th after in work device and low pass filter housing
The side of four cavity body filters, described even number end duplexer and even number end low pass filter are encapsulated in even number end duplexer and low pass
It is arranged on bracket middle position near the side of the first cavity body filter and the second cavity body filter after in casing of filter；
The high-end input port of described odd number end duplexer, the low-side input terminal mouth of odd number end duplexer, the antenna of odd number end duplexer
The output port of port, the input port of odd number end low pass filter and odd number end low pass filter is all exposed at odd number end duplex
Device and the top of low pass filter housing, the high-end input port of described even number end duplexer, the low side of even number end duplexer are defeated
Inbound port, the antenna port of even number end duplexer, the input port of even number end low pass filter and even number end low pass filter
Output port is all exposed at even number end duplexer and the top of low pass filter housing.
Above-mentioned one kind minimize ultrashort wave multiplexer it is characterised in that：The input of 12 odd number end cavity body filters
Mouth is all laid towards the edge of side on bracket, and the output port of 12 odd number end cavity body filters is all towards the interposition of bracket
Put laying；The input port of 12 even number end cavity body filters is all laid towards the edge of opposite side on bracket, 12 even number ends
The output port of cavity body filter is all laid towards the centre position of bracket.
Above-mentioned one kind minimize ultrashort wave multiplexer it is characterised in that：It is arranged in order 12 odd number end cavitys of laying
The top of wave filter is provided with odd number end floral disc, and the top being arranged in order 12 even number end cavity body filters of laying is provided with idol
Number end floral disc.
Above-mentioned one kind minimize ultrashort wave multiplexer it is characterised in that：Described first tandem cable, the second tandem electricity
Cable, the 3rd tandem cable and the 4th tandem cable are SFT-50-2-51 type teflon insulation semi-rigid coaxial cable.
Above-mentioned one kind minimize ultrashort wave multiplexer it is characterised in that：Each odd number end cavity body filter is even with each
The structure of number end cavity body filter is identical and is the cavity filter being provided with five section coupling coils in cavity body filter enclosure interior
Ripple device, five section coupling coils are respectively wound around on five cylindrical polytetrafluorethylescrewed screwed skeletons, described cavity body filter shell
On the length direction of body, a side roof part is provided with the input port of cavity body filter, the length direction of described cavity body filter housing
Upper another side roof part is provided with the output port of cavity body filter.
Above-mentioned one kind minimize ultrashort wave multiplexer it is characterised in that：The diameter of described polytetrafluorethylescrewed screwed skeleton
For 20mm, highly for 67mm；The length of described cavity body filter housing is 140mm, and width is 30mm, highly for 87mm.
The present invention compared with prior art has advantages below：
1st, the structure of the present invention is simple, and small volume is reasonable in design, and it is convenient to realize.
2nd, all cavity body filters are fixed on a bracket present invention, convenient, fast using process, improve this
The service efficiency of bright multiplexer.
3rd, the Q value of the present invention is high, and pass band insertion loss is low, and power capacity is big, substantially increases the payload of vehicle.
4th, frequency shift (FS) in -50 DEG C～+70 DEG C temperature ranges for the present invention is little, can be suitable under harsh environmental conditions
Communication needs.
5th, the present invention's is practical, easy to install, and cost of implementation is low, and using effect is good, is easy to promote the use of.
In sum, the structure of the present invention is simple, reasonable in design, realizes and debugging is convenient and swift, Q value is high, and passband inserts
Loss is low, and power capacity is big, and temperature drift is little, practical, and using effect is good, is easy to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description
Fig. 1 is the stereogram of the present invention.
Fig. 2 is the front view of odd number end cavity body filter of the present invention and even number end cavity body filter.
Fig. 3 is odd number end duplexer of the present invention and odd number end low pass filter is encapsulated in odd number end duplexer and LPF
Top view after in device housing.
Fig. 4 is even number end duplexer of the present invention and even number end low pass filter is encapsulated in even number end duplexer and LPF
Top view after in device housing.
Fig. 5 is the annexation schematic diagram of odd number end element of the present invention.
Fig. 6 is the annexation schematic diagram of even number end element of the present invention.
Description of reference numerals:
1 first cavity body filter；2 second cavity body filters；
3 the 3rd cavity body filters；4 the 4th cavity body filters；
5 the 5th cavity body filters；6 the 6th cavity body filters；
7 the 7th cavity body filters；8 the 8th cavity body filters；
9 the 9th cavity body filters；10 the tenth cavity body filters；
11 the 11st cavity body filters；12 the 12nd cavity body filters；
13 the 13rd cavity body filters；14 the 14th cavity body filters；
15 the 15th cavity body filters；16 the 16th cavity body filters；
17 the 17th cavity body filters；18 the 18th cavity body filters；
19 the 19th cavity body filters；20 the 20th cavity body filters；
21 the 21st cavity body filters；22 the 22nd cavity body filters；
23 the 23rd cavity body filters；24 the 24th cavity body filters；
25 brackets；26 odd number end duplexers；
27 odd number end low pass filters；28 even number end duplexers；
29 even number end low pass filters；30 odd number end duplexers and low pass filter housing；
31 even number end duplexers and low pass filter housing；32 odd number end floral discs；
33 cavity body filter housings；34 coupling coils；
35 polytetrafluorethylescrewed screwed skeletons；36 input ports；
The output port of 37 cavity body filters；38 even number end floral discs；
The input port of 39 odd number end low pass filters；The output port of 40 odd number end low pass filters；
The input port of 41 even number end low pass filters；The output port of 42 even number end low pass filters；
The high-end input port of 43 odd number end duplexers；The low-side input terminal mouth of 44 odd number end duplexers；
The antenna port of 45 odd number end duplexers；The high-end input port of 46 even number end duplexers；
The low-side input terminal mouth of 47 even number end duplexers；The antenna port of 48 even number end duplexers.
Specific embodiment
As shown in Fig. 1～Fig. 6, the ultrashort wave multiplexer of miniaturization of the present invention, the ripple of the ultrashort wave multiplexer of described miniaturization
Band frequency is 28MHz～89MHz, and the ultrashort wave multiplexer of described miniaturization includes bracket 25 and is arranged on side on bracket 25
Odd number end element and the even number end element being arranged on opposite side on bracket 25, described odd numbered sequences element includes 12 odd number ends chamber
Fluid filter, odd number end duplexer 26 and 27,12 odd number end cavity body filters of odd number end low pass filter are respectively the first chamber
Fluid filter 1, the 3rd cavity body filter 3, the 5th cavity body filter 5, the 7th cavity body filter 7, the 9th cavity body filter 9,
11 cavity body filters 11, the 13rd cavity body filter 13, the 15th cavity body filter 15, the 17th cavity body filter 17,
19 cavity body filters 19, the 21st cavity body filter 21 and the 23rd cavity body filter 23, described first cavity filtering
Device 1, the 3rd cavity body filter 3, the 5th cavity body filter 5, the 7th cavity body filter 7, the 9th cavity body filter 9 and the 11st chamber
The fluid filter 11 high-end input port passing through the first tandem cable and odd number end duplexer for the output port after a group in parallel
43 connections, described 13rd cavity body filter 13, the 15th cavity body filter 15, the 17th cavity body filter 17, the 19th chamber
Fluid filter 19, the 21st cavity body filter 21 and the 23rd cavity body filter 23 are in parallel logical for the output port after a group
The low-side input terminal mouth 44 crossing the second tandem cable with odd number end duplexer is connected, the input of described first cavity body filter 1
Mouth is connected with the output port 40 of odd number end low pass filter；Described even order element includes 12 even number end cavity filtering
Device, even number end duplexer 28 and 29,12 even number end cavity body filters of even number end low pass filter are respectively the second cavity filtering
Device 2, the 4th cavity body filter 4, the 6th cavity body filter 6, the 8th cavity body filter 8, the tenth cavity body filter 10, the 12nd chamber
Fluid filter 12, the 14th cavity body filter 14, the 16th cavity body filter 16, the 18th cavity body filter 18, the 20th chamber
Fluid filter 20, the 22nd cavity body filter 22 and the 24th cavity body filter 24, described second cavity body filter 2,
Four cavity body filters 4, the 6th cavity body filter 6, the 8th cavity body filter 8, the tenth cavity body filter 10 and the filter of the 12nd cavity
Ripple device 12 is in parallel to be connected by the low-side input terminal mouth 47 of the 3rd tandem cable and even number end duplexer for the output port after a group
Connect, described 14th cavity body filter 14, the 16th cavity body filter 16, the 18th cavity body filter 18, the 20th cavity filter
Ripple device 20, the 22nd cavity body filter 22 and the 24th cavity body filter 24 are in parallel to pass through for the output port after a group
Four tandem cables are connected with the high-end input port 46 of even number end duplexer, the input port of described second cavity body filter 2 with
The output port 42 of even number end low pass filter connects.
As shown in Fig. 1～Fig. 6, in the present embodiment, 12 odd number end cavity body filters are arranged in order and are laid on bracket 25
At the edge placement of side, 12 even number end cavity body filters are arranged in order the edge placement being laid in opposite side on bracket 25
Place, the laying relative with the second cavity body filter 2 of described first cavity body filter 1, described 23rd cavity body filter 23 and the
24 cavity body filters 24 are laid relatively, and described odd number end duplexer 26 and odd number end low pass filter 27 are encapsulated in odd number end
It is arranged on bracket 25 middle position near the 23rd cavity body filter 23 after in duplexer and low pass filter housing 30
With the side of the 24th cavity body filter 24, described even number end duplexer 28 and even number end low pass filter 29 are encapsulated in even number
It is arranged on bracket 25 middle position near the first cavity body filter 1 and the after in end duplexer and low pass filter housing 31
The side of two cavity body filters 2；The high-end input port 43 of described odd number end duplexer, the low-side input terminal of odd number end duplexer
Mouth 44, the antenna port 45 of odd number end duplexer, the input port 39 of odd number end low pass filter and odd number end low pass filter
Output port 40 be all exposed at odd number end duplexer and the top of low pass filter housing 30, the height of described even number end duplexer
End input port 46, the low-side input terminal mouth 47 of even number end duplexer, the antenna port 48 of even number end duplexer, even number end low pass
The output port 42 of the input port 41 of wave filter and even number end low pass filter is all exposed at even number end duplexer and low pass filtered
The top of ripple device housing 31.
As shown in figure 1, in the present embodiment, the input port 36 of 12 odd number end cavity body filters is all towards on bracket 25 one
The edge of side is laid, and the output port 37 of 12 odd number end cavity body filters is all laid towards the centre position of bracket 25；12
The input port 36 of even number end cavity body filter is all laid towards the edge of opposite side on bracket 25,12 even number end cavity filtering
The output port 37 of device is all laid towards the centre position of bracket 25.
As shown in figure 1, in the present embodiment, the top being arranged in order 12 odd number end cavity body filters of laying is provided with very
Number end floral disc 32, the top being arranged in order 12 even number end cavity body filters of laying is provided with even number end floral disc 38.
In the present embodiment, described first tandem cable, the second tandem cable, the 3rd tandem cable and the 4th tandem cable are equal
For SFT-50-2-51 type teflon insulation semi-rigid coaxial cable.
As shown in Fig. 2 in the present embodiment, the structure of each odd number end cavity body filter and each even number end cavity body filter
Identical and be the cavity body filter being internally provided with five section coupling coils 34 in cavity body filter housing 33, five section coupling coils
34 are respectively wound around on five cylindrical polytetrafluorethylescrewed screwed skeletons 35, the length direction of described cavity body filter housing 33
A upper side roof part is provided with the input port 36 of cavity body filter, opposite side on the length direction of described cavity body filter housing 33
Top is provided with the output port 37 of cavity body filter.
As shown in Fig. 2 in the present embodiment, a diameter of 20mm of described polytetrafluorethylescrewed screwed skeleton 35, highly for 67mm；
The length of described cavity body filter housing 33 is 140mm, and width is 30mm, highly for 87mm.Thus greatly reduce each
The volume of cavity body filter, and then reduce the volume minimizing ultrashort wave multiplexer, reduce the ultrashort wave multiplexer of miniaturization
Weight.In the present embodiment, the described volume minimizing ultrashort wave multiplexer is reduced for 12.85dm3, weight reduce in order to
15.3kg.
The making debugging process of the present invention is：
Step one, respectively debugging each odd number end cavity body filter good and even number end cavity body filter, make each odd number end
The Insertion Loss of cavity body filter and even number end cavity body filter is less than or equal to 1.1dB, and return loss is less than or equal to -20dB；
Step 2, respectively debugging odd number end and even number end, by six cavity body filters cavity body filter group in parallel, connect
After the completion of, the length of the connecting line between each cavity body filter is adjusted accordingly, phase adjustment to optimum state, makes each chamber
The bandwidth of fluid filter tries one's best wide (on the premise of meeting suppression)；
Step 3, debugging odd number end duplexer 26 and odd number end low pass filter 27, and even number end duplexer 28 and idol
Number end low pass filter 29 is so as to reach following index：
Table 1 odd number end duplexer and even number end duplexer technical indicator table
Table 2 odd number end low pass filter and even number end low pass filter technical indicator table
| Frequency (MHz) | 30MHz～40MHz |
| Insertion loss (dB) | ≤0.2dB |
| Decay (dB) | At >=80MHz >=42dB |
| VSWR | ≤1.22 |
| Connector model | SMA Female Standard |
| Power (W) | ≥70W |
Step 4, the coupling of debugging duplexer, low pass filter and cavity body filter group, duplexer and cavity body filter group
Connecting line is as far as possible short, the coupling coil pitch of debugging duplexer, observes its impact to cavity body filter group, coupling coil is most
Possibly curl.
When the present invention uses, every road transmission signal is (except being transferred to the first cavity body filter 1 and the second cavity body filter 2
Outside transmission signal) cavity body filter is entered by the input port of cavity body filter, transmit after being coupled by resonance to cavity filtering
The output interface of device, is input in odd number end duplexer 26 or even number end duplexer 28 by tandem cable, then is input to odd number
The end antenna port 45 of duplexer or the antenna port 48 of even number end duplexer, wherein, the signal of the first cavity body filter 1 passes through
Odd number end low pass filter 27 inputs, and the signal of the second cavity body filter 2 is inputted by even number end low pass filter 29.
The above, be only presently preferred embodiments of the present invention, not the present invention imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, all still fall within skill of the present invention
In the protection domain of art scheme.
Claims (5)
1. a kind of minimize ultrashort wave multiplexer it is characterised in that：Described minimize ultrashort wave multiplexer audio range frequency be
28MHz～89MHz, the odd number that the ultrashort wave multiplexer of described miniaturization includes bracket (25) and is arranged on the upper side of bracket (25)
End element and the even number end element being arranged on the upper opposite side of bracket (25), described odd numbered sequences element includes 12 odd number end cavitys
Wave filter, odd number end duplexer (26) and odd number end low pass filter (27), 12 odd number end cavity body filters are respectively first
Cavity body filter (1), the 3rd cavity body filter (3), the 5th cavity body filter (5), the 7th cavity body filter (7), the 9th cavity
Wave filter (9), the 11st cavity body filter (11), the 13rd cavity body filter (13), the 15th cavity body filter (15), the tenth
Seven cavity body filters (17), the 19th cavity body filter (19), the 21st cavity body filter (21) and the filter of the 23rd cavity
Ripple device (23), described first cavity body filter (1), the 3rd cavity body filter (3), the 5th cavity body filter (5), the 7th cavity filter
Ripple device (7), the 9th cavity body filter (9) and the 11st cavity body filter (11) are in parallel to pass through first for the output port after a group
Tandem cable is connected with the high-end input port (43) of odd number end duplexer, described 13rd cavity body filter (13), the 15th
Cavity body filter (15), the 17th cavity body filter (17), the 19th cavity body filter (19), the 21st cavity body filter
(21) and the 23rd cavity body filter (23) in parallel to pass through the second tandem cable for the output port after a group double with odd number end
Low-side input terminal mouth (44) connection, the input port of described first cavity body filter (1) and the odd number end low pass filter of work device
Output port (40) connect；Described even order element includes 12 even number end cavity body filters, even number end duplexer (28)
With even number end low pass filter (29), 12 even number end cavity body filters respectively the second cavity body filter (2), the 4th cavity filters
Ripple device (4), the 6th cavity body filter (6), the 8th cavity body filter (8), the tenth cavity body filter (10), the 12nd cavity filtering
Device (12), the 14th cavity body filter (14), the 16th cavity body filter (16), the 18th cavity body filter (18), the 20th
Cavity body filter (20), the 22nd cavity body filter (22) and the 24th cavity body filter (24), described second cavity filter
Ripple device (2), the 4th cavity body filter (4), the 6th cavity body filter (6), the 8th cavity body filter (8), the tenth cavity body filter
And the 12nd cavity body filter (12) is in parallel passes through the 3rd tandem cable and even number end duplex for the output port after a group (10)
The low-side input terminal mouth (47) of device connects, described 14th cavity body filter (14), the 16th cavity body filter (16), the 18th
Cavity body filter (18), the 20th cavity body filter (20), the 22nd cavity body filter (22) and the filtering of the 24th cavity
Device (24) the high-end input port (46) passing through the 4th tandem cable and even number end duplexer for the output port after a group in parallel
Connect, the input port of described second cavity body filter (2) is connected with the output port (42) of even number end low pass filter；
12 odd number end cavity body filters are arranged in order at the edge placement being laid in the upper side of bracket (25), 12 even number ends chamber
Fluid filter is arranged in order at the edge placement being laid in the upper opposite side of bracket (25), described first cavity body filter (1) and the
Two cavity body filters (2) laying, described 23rd cavity body filter (23) and the 24th cavity body filter (24) phase relatively
To laying, described odd number end duplexer (26) and odd number end low pass filter (27) are encapsulated in odd number end duplexer and LPF
It is arranged on the upper middle position of bracket (25) near the 23rd cavity body filter (23) and the 24th after in device housing (30)
It is double that the side of cavity body filter (24), described even number end duplexer (28) and even number end low pass filter (29) are encapsulated in even number end
Be arranged on after in work device and low pass filter housing (31) the upper middle position of bracket (25) near the first cavity body filter (1) and
The side of the second cavity body filter (2)；The high-end input port (43) of described odd number end duplexer, the low side of odd number end duplexer
Input port (44), the antenna port (45) of odd number end duplexer, the input port (39) of odd number end low pass filter and odd number
The output port (40) of end low pass filter is all exposed at odd number end duplexer and the top of low pass filter housing (30), described
The high-end input port (46) of even number end duplexer, the low-side input terminal mouth (47) of even number end duplexer, even number end duplexer
The output port (42) of antenna port (48), the input port (41) of even number end low pass filter and even number end low pass filter is all
It is exposed at even number end duplexer and the top of low pass filter housing (31)；
The top being arranged in order 12 odd number end cavity body filters of laying is provided with odd number end floral disc (32), is arranged in order laying
The top of 12 even number end cavity body filters be provided with even number end floral disc (38).
2. according to described in claim 1 one kind minimize ultrashort wave multiplexer it is characterised in that：12 odd number end cavity filtering
The input port (36) of device is all laid towards the edge of the upper side of bracket (25), the output port of 12 odd number end cavity body filters
(37) all lay towards the centre position of bracket (25)；The input port (36) of 12 even number end cavity body filters is all towards bracket
(25) edge of upper opposite side is laid, and the output port (37) of 12 even number end cavity body filters is all towards the centre of bracket (25)
Position is laid.
3. according to described in claim 1 one kind minimize ultrashort wave multiplexer it is characterised in that：Described first tandem cable,
It is same that second tandem cable, the 3rd tandem cable and the 4th tandem cable are SFT-50-2-51 type teflon insulation semihard
Shaft cable.
4. according to described in claim 1 one kind minimize ultrashort wave multiplexer it is characterised in that：Each odd number end cavity filtering
Device is identical with the structure of each even number end cavity body filter and is and is internally provided with five section couplings in cavity body filter housing (33)
The cavity body filter of zygonema circle (34), five sections coupling coil (34) are respectively wound around five cylindrical polytetrafluorethylescrewed screwed bones
On frame (35), on the length direction of described cavity body filter housing (33), a side roof part is provided with the input port of cavity body filter
(36), on the length direction of described cavity body filter housing (33), another side roof part is provided with the output port of cavity body filter
(37).
5. according to described in claim 1 one kind minimize ultrashort wave multiplexer it is characterised in that：Described polytetrafluorethylescrewed screwed
A diameter of 20mm of skeleton (35), highly for 67mm；The length of described cavity body filter housing (33) is 140mm, and width is
30mm, highly for 87mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991991.9A CN105428766B (en) | 2015-12-27 | 2015-12-27 | Miniaturized ultra-short wave multiplexer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991991.9A CN105428766B (en) | 2015-12-27 | 2015-12-27 | Miniaturized ultra-short wave multiplexer |
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| Publication Number | Publication Date |
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| CN105428766A CN105428766A (en) | 2016-03-23 |
| CN105428766B true CN105428766B (en) | 2017-02-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116165599B (en) * | 2023-04-24 | 2023-06-27 | 武汉能钠智能装备技术股份有限公司四川省成都市分公司 | Ultrashort wave direction finding system and integrated ultrashort wave direction finding equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6008706A (en) * | 1998-09-09 | 1999-12-28 | Space Systems/Loral, Inc. | Wide band contiguous multiplexer having a contiguous diplexer |
| CN102832428A (en) * | 2012-09-18 | 2012-12-19 | 南京广顺网络通信设备有限公司 | Intermediate/low-frequency band high-rejection duplexer for radio-frequency signal |
| CN103746158A (en) * | 2014-01-26 | 2014-04-23 | 成都赛纳赛德科技有限公司 | Waveguide multiplexer |
| CN205303635U (en) * | 2015-12-27 | 2016-06-08 | 丹凤常兴科技实业有限公司 | Miniaturized ultrashort wave multiplexer |
-
2015
- 2015-12-27 CN CN201510991991.9A patent/CN105428766B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6008706A (en) * | 1998-09-09 | 1999-12-28 | Space Systems/Loral, Inc. | Wide band contiguous multiplexer having a contiguous diplexer |
| CN102832428A (en) * | 2012-09-18 | 2012-12-19 | 南京广顺网络通信设备有限公司 | Intermediate/low-frequency band high-rejection duplexer for radio-frequency signal |
| CN103746158A (en) * | 2014-01-26 | 2014-04-23 | 成都赛纳赛德科技有限公司 | Waveguide multiplexer |
| CN205303635U (en) * | 2015-12-27 | 2016-06-08 | 丹凤常兴科技实业有限公司 | Miniaturized ultrashort wave multiplexer |
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| CN105428766A (en) | 2016-03-23 |
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