CN205303635U - Miniaturized ultrashort wave multiplexer - Google Patents
Miniaturized ultrashort wave multiplexer Download PDFInfo
- Publication number
- CN205303635U CN205303635U CN201521104257.8U CN201521104257U CN205303635U CN 205303635 U CN205303635 U CN 205303635U CN 201521104257 U CN201521104257 U CN 201521104257U CN 205303635 U CN205303635 U CN 205303635U
- Authority
- CN
- China
- Prior art keywords
- cavity body
- body filter
- number end
- filter
- even number
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a miniaturized ultrashort wave multiplexer, the wave band frequency is 28MHz~89MHz, including the bracket and installing odd number end member spare of one side on the bracket and the even number end member spare of installing opposite side on the bracket, odd number end member spare includes 12 odd numbers end cavity filter, odd number end duplexer and odd numbers end low pass filter, and a cavity filter's input port and odd number hold low pass filter's output port to be connected, even number end member spare includes 12 even number end cavity filter, even number end duplexer and even number end low pass filter, and the 2nd cavity filter's input port and even number end low pass filter's output port are connected. The utility model has the advantages of simple structure, reasonable in design realizes and debugging convenient and fast that the Q value is high, and passband insertion loss is low, and the power capacity is big, and the temperature is floated for a short time, and the practicality is strong, excellent in use effect, convenient to popularize and use.
Description
Technical field
This utility model belongs to multiplexer technical field, is specifically related to a kind of miniaturization ultrashort wave multiplexer.
Background technology
Multiplexer has the important effects such as frequency-selecting, frequency dividing, isolation signals in the systems such as Modern Satellite communication, radar and remote sensing technology, and the quality of its performance will directly influence the running quality of whole system. For the ultrashort wave multiplexer of vehicle-mounted passive communication in prior art, added two duplexers by 24 cavity body filters to be 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 diameter be 24.5 millimeters, length be on the polytetrafluorethylescrewed screwed skeleton of 73 millimeters, the volume of whole multiplexer is 25.46 cubic decimeters, and weight is 27.4 kilograms; Also exist that volume is excessive, relatively costly, be not easy to defect and the deficiency installed, and make the payload of vehicle low.
Utility model content
Technical problem to be solved in the utility model is in that for above-mentioned deficiency of the prior art, a kind of miniaturization ultrashort wave multiplexer of offer, its simple in construction, reasonable in design, realize and debug convenient and swift, Q-value is high, and pass band insertion loss is low, and power capacity is big, temperature drift is little, practical, result of use is good, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of miniaturization ultrashort wave multiplexer, it is characterized in that: the audio range frequency of described miniaturization ultrashort wave multiplexer is 28MHz��89MHz, described miniaturization ultrashort wave multiplexer includes bracket and the odd number end element being arranged on bracket side and the even number end element being arranged on bracket opposite side, and described odd number end element includes 12 odd number end cavity body filters, odd number end duplexer and odd number end low pass filter, 12 odd number end cavity body filter respectively the first cavity body filters, 3rd cavity body filter, 5th cavity body filter, 7th cavity body filter, 9th cavity body filter, 11st cavity body filter, 13rd cavity body filter, 15th cavity body filter, 17th cavity body filter, 19th cavity body filter, 21st cavity body filter and the 23rd cavity body filter, described first cavity body filter, 3rd cavity body filter, 5th cavity body filter, 7th cavity body filter, the output port that 9th cavity body filter and the 11st cavity body filter parallel connection are after one group is connected with the high-end input port of odd number end duplexer by the first tandem cable, described 13rd cavity body filter, 15th cavity body filter, 17th cavity body filter, 19th cavity body filter, the output port that 21st cavity body filter and the 23rd cavity body filter parallel connection are after one group is connected with the low-side input terminal mouth of odd number end duplexer by the second tandem cable, and the input port of described first cavity body filter is connected with the output port of odd number end low pass filter,Described even number end 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 filter respectively the second cavity body filters, 4th cavity body filter, 6th cavity body filter, 8th cavity body filter, tenth cavity body filter, 12nd cavity body filter, 14th cavity body filter, 16th cavity body filter, 18th cavity body filter, 20th cavity body filter, 22nd cavity body filter and the 24th cavity body filter, described second cavity body filter, 4th cavity body filter, 6th cavity body filter, 8th cavity body filter, the output port that tenth cavity body filter and the 12nd cavity body filter parallel connection are after one group is connected with the low-side input terminal mouth of even number end duplexer by the 3rd tandem cable, described 14th cavity body filter, 16th cavity body filter, 18th cavity body filter, 20th cavity body filter, the output port that 22nd cavity body filter and the 24th cavity body filter parallel connection are after one group is connected with the high-end input port of even number end duplexer by the 4th tandem cable, and the input port of described second cavity body filter is connected with the output port of even number end low pass filter.
Above-mentioned miniaturization ultrashort wave multiplexer, it is characterized in that: 12 odd number end cavity body filters are arranged in order the edge placement place being laid on bracket side, 12 even number end cavity body filters are arranged in order the edge placement place being laid on bracket opposite side, described first cavity body filter and the second cavity body filter are laid relatively, described 23rd cavity body filter and the 24th cavity body filter are laid relatively, described odd number end duplexer and odd number end low pass filter are arranged on bracket after being encapsulated in odd number end duplexer and low pass filter housing middle position near the side of the 23rd cavity body filter and the 24th cavity body filter, described even number end duplexer and even number end low pass filter are arranged on bracket after being encapsulated in even number end duplexer and low pass filter housing middle position near the side of the first cavity body filter and the second cavity body 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 port of odd number end duplexer, the input port of odd number end low pass filter and the output port of odd number end low pass filter are all exposed at the top of odd number end duplexer and low pass filter housing, the high-end input port of described even number end duplexer, the low-side input terminal mouth of even number end duplexer, the antenna port of even number end duplexer, the input port of even number end low pass filter and the output port of even number end low pass filter are all exposed at the top of even number end duplexer and low pass filter housing.
Above-mentioned miniaturization ultrashort wave multiplexer, it is characterised in that: the input port of 12 odd number end cavity body filters is all laid towards the edge of side on bracket, and the output port of 12 odd number end cavity body filters is all laid towards the centre position of bracket; The input port of 12 even number end cavity body filters is all laid towards the edge of opposite side on bracket, and the output port of 12 even number end cavity body filters is all laid towards the centre position of bracket.
Above-mentioned miniaturization ultrashort wave multiplexer, it is characterised in that: the top of 12 the odd number end cavity body filters being arranged in order laying is provided with odd number end floral disc, and the top of 12 the even number end cavity body filters being arranged in order laying is provided with even number end floral disc.
Above-mentioned miniaturization ultrashort wave multiplexer, it is characterised in that: described first tandem cable, the second tandem cable, the 3rd tandem cable and the 4th tandem cable are SFT-50-2-51 type teflon insulation semi-rigid coaxial cable.
Above-mentioned miniaturization ultrashort wave multiplexer, it is characterized in that: each odd number end cavity body filter is identical with the structure of each even number end cavity body filter and is the cavity body filter being provided with five joint coupling coils in cavity body filter enclosure interior, five joint coupling coils are respectively wound around on five cylindrical polytetrafluorethylescrewed screwed skeletons, on the length direction of described cavity body filter housing, a side roof part is provided with the input port of cavity body filter, and on the length direction of described cavity body filter housing, opposite side top is provided with the output port of cavity body filter.
Above-mentioned miniaturization ultrashort wave multiplexer, it is characterised in that: the diameter of described polytetrafluorethylescrewed screwed skeleton is 20mm, is highly 67mm; The length of described cavity body filter housing is 140mm, and width is 30mm, is highly 87mm.
This utility model compared with prior art has the advantage that
1, simple in construction of the present utility model, volume is little, reasonable in design, it is achieved convenient.
2, all cavity body filters are fixed on a bracket by this utility model, and use procedure is convenient, fast, improve the service efficiency of this utility model multiplexer.
3, Q-value of the present utility model is high, and pass band insertion loss is low, and power capacity is big, substantially increases the payload of vehicle.
4, this utility model frequency shift (FS) in-50 DEG C��+70 DEG C temperature ranges is little, it is possible to be suitable for the communication needs under harsh environmental conditions.
5, of the present utility model practical, easy to install, it is achieved cost is low, result of use is good, it is simple to promote the use of.
In sum, simple in construction of the present utility model, reasonable in design, it is achieved and debug convenient and swift, Q-value is high, and pass band insertion loss is low, and power capacity is big, and temperature drift is little, and practical, result of use is good, it is simple to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model.
Fig. 2 is the front view of this utility model odd number end cavity body filter and even number end cavity body filter.
Fig. 3 be this utility model odd number end duplexer and odd number end low pass filter be encapsulated in odd number end duplexer and low pass filter housing after top view.
Fig. 4 be this utility model even number end duplexer and even number end low pass filter be encapsulated in even number end duplexer and low pass filter housing after top view.
Fig. 5 is the annexation schematic diagram of this utility model odd number end element.
Fig. 6 is the annexation schematic diagram of this utility model even number end element.
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 duplexer and low pass filter housings;
31 even number end duplexer and low pass filter housings; 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.
Detailed description of the invention
As shown in Fig. 1��Fig. 6, miniaturization ultrashort wave multiplexer of the present utility model, the audio range frequency of described miniaturization ultrashort wave multiplexer is 28MHz��89MHz, described miniaturization ultrashort wave multiplexer includes bracket 25 and is arranged on the odd number end element of side on bracket 25 and is arranged on the even number end element of opposite side on bracket 25, and described odd number end element includes 12 odd number end cavity body filters, odd number end duplexer 26 and 27,12 odd number end cavity body filter respectively the first cavity body filters 1 of odd number end low pass filter, 3rd cavity body filter 3, 5th cavity body filter 5, 7th cavity body filter 7, 9th cavity body filter 9, 11st cavity body filter 11, 13rd cavity body filter 13, 15th cavity body filter 15, 17th cavity body filter 17, 19th cavity body filter 19, 21st cavity body filter the 21 and the 23rd cavity body filter 23, described first cavity body filter 1, 3rd cavity body filter 3, 5th cavity body filter 5, 7th cavity body filter 7, the output port that 9th cavity body filter the 9 and the 11st cavity body filter 11 parallel connection is after one group is connected with the high-end input port 43 of odd number end duplexer by the first tandem cable, described 13rd cavity body filter 13, 15th cavity body filter 15, 17th cavity body filter 17, 19th cavity body filter 19, the output port that 21st cavity body filter the 21 and the 23rd cavity body filter 23 parallel connection is after one group is connected with the low-side input terminal mouth 44 of odd number end duplexer by the second tandem cable, and the input port of described first cavity body filter 1 is connected with the output port 40 of odd number end low pass filter, described even number end element includes 12 even number end cavity body filters, even number end duplexer 28 and 29,12 even number end cavity body filter respectively the second cavity body filters 2 of even number end low pass filter, 4th cavity body filter 4, 6th cavity body filter 6, 8th cavity body filter 8, tenth cavity body filter 10, 12nd cavity body filter 12, 14th cavity body filter 14, 16th cavity body filter 16, 18th cavity body filter 18, 20th cavity body filter 20, 22nd cavity body filter the 22 and the 24th cavity body filter 24, described second cavity body filter 2, 4th cavity body filter 4, 6th cavity body filter 6, 8th cavity body filter 8, the output port that tenth cavity body filter the 10 and the 12nd cavity body filter 12 parallel connection is after one group is connected with the low-side input terminal mouth 47 of even number end duplexer by the 3rd tandem cable, described 14th cavity body filter 14, 16th cavity body filter 16, 18th cavity body filter 18, 20th cavity body filter 20, the output port that 22nd cavity body filter the 22 and the 24th cavity body filter 24 parallel connection is after one group is connected with the high-end input port 46 of even number end duplexer by the 4th tandem cable, and the input port of described second cavity body filter 2 is connected with the output port 42 of even number end low pass filter.
As shown in Fig. 1��Fig. 6, in the present embodiment, 12 odd number end cavity body filters are arranged in order the edge placement place being laid in side on bracket 25, 12 even number end cavity body filters are arranged in order the edge placement place being laid in opposite side on bracket 25, described first cavity body filter 1 is relative with the second cavity body filter 2 to be laid, described 23rd cavity body filter 23 is relative with the 24th cavity body filter 24 to be laid, described odd number end duplexer 26 and odd number end low pass filter 27 are arranged on bracket 25 after being encapsulated in odd number end duplexer and low pass filter housing 30 middle position near the side of the 23rd cavity body filter the 23 and the 24th cavity body filter 24, described even number end duplexer 28 and even number end low pass filter 29 are arranged on bracket 25 after being encapsulated in even number end duplexer and low pass filter housing 31 middle position near the side of the first cavity body filter 1 and the second cavity body filter 2, the high-end input port 43 of described odd number end duplexer, the low-side input terminal mouth 44 of odd number end duplexer, the antenna port 45 of odd number end duplexer, the input port 39 of odd number end low pass filter and the output port 40 of odd number end low pass filter are all exposed at the top of odd number end duplexer and low pass filter housing 30, the high-end input port 46 of described even number end duplexer, the low-side input terminal mouth 47 of even number end duplexer, the antenna port 48 of even number end duplexer, the input port 41 of even number end low pass filter and the output port 42 of even number end low pass filter are all exposed at the top of even number end duplexer and low pass filter housing 31.
As it is shown in figure 1, in the present embodiment, the input port 36 of 12 odd number end cavity body filters is all laid towards the edge of side on bracket 25, and the output port 37 of 12 odd number end cavity body filters is all laid towards the centre position of bracket 25; The input port 36 of 12 even number end cavity body filters is all laid towards the edge of opposite side on bracket 25, and the output port 37 of 12 even number end cavity body filters is all laid towards the centre position of bracket 25.
As it is shown in figure 1, in the present embodiment, the top of 12 the odd number end cavity body filters being arranged in order laying is provided with odd number end floral disc 32, the top of 12 the even number end cavity body filters being arranged in order 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 SFT-50-2-51 type teflon insulation semi-rigid coaxial cable.
As shown in Figure 2, in the present embodiment, each odd number end cavity body filter is identical with the structure of each even number end cavity body filter and is the cavity body filter being internally provided with five joint coupling coils 34 at cavity body filter housing 33, five joint coupling coils 34 are respectively wound around on five cylindrical polytetrafluorethylescrewed screwed skeletons 35, on the length direction of described cavity body filter housing 33, a side roof part is provided with the input port 36 of cavity body filter, and on the length direction of described cavity body filter housing 33, opposite side top is provided with the output port 37 of cavity body filter.
As in figure 2 it is shown, in the present embodiment, the diameter of described polytetrafluorethylescrewed screwed skeleton 35 is 20mm, it is highly 67mm; The length of described cavity body filter housing 33 is 140mm, and width is 30mm, is highly 87mm. Thus it is greatly reduced the volume of each cavity body filter, and then reduces the volume of miniaturization ultrashort wave multiplexer, reduce the weight of miniaturization ultrashort wave multiplexer. In the present embodiment, the volume of described miniaturization ultrashort wave multiplexer is reduced for 12.85dm3, weight reduces for 15.3kg.
Making debugging process of the present utility model is:
Step one, respectively debugging each odd number end cavity body filter good and even number end cavity body filter, make the Insertion Loss of each odd number end cavity body filter and even number end cavity body filter 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 are by the cavity body filter group of six cavity body filters parallel connections, after having connected, the length of the connecting line between each cavity body filter is adjusted accordingly, phase place is adjusted optimally, and the bandwidth making each cavity body filter is as far as possible wide (under the premise of satisfied suppression);
Step 3, debugging odd number end duplexer 26 and odd number end low pass filter 27, and even number end duplexer 28 and even number end low pass filter 29 so that it is reach following index:
Table 1 odd number end duplexer and even number end duplexer technical specification table
Table 2 odd number end low pass filter and even number end low pass filter technical specification table
| Frequency (MHz) | 30MHz��40MHz |
| Insertion loss (dB) | ��0.2dB |
| Decay (dB) | At >=80MHz place >=42dB 5--> |
| VSWR | ��1.22 |
| Adapter model | SMA Female Standard |
| Power (W) | ��70W |
The coupling of step 4, debugging duplexer, low pass filter and cavity body filter group, duplexer is as far as possible short with cavity body filter group connecting line, the coupling coil pitch of debugging duplexer, observes its impact on cavity body filter group, and coupling coil is curl as much as possible.
When this utility model uses, every road transmission signal (except the transmission signal being transferred to the first cavity body filter 1 and the second cavity body filter 2) is entered cavity body filter by the input port of cavity body filter, the output interface to cavity body filter is transmitted by resonance after being coupled, it is input in odd number end duplexer 26 or even number end duplexer 28 by tandem cable, it is input to the antenna port 45 of odd number end duplexer or the antenna port 48 of even number end duplexer again, wherein, the signal of the first cavity body filter 1 is inputted by odd number end low pass filter 27, the signal of the second cavity body filter 2 is inputted by even number end low pass filter 29.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.
Claims (7)
1. a miniaturization ultrashort wave multiplexer, it is characterized in that: the audio range frequency of described miniaturization ultrashort wave multiplexer is 28MHz��89MHz, described miniaturization ultrashort wave multiplexer includes bracket (25) and is arranged on the odd number end element of the upper side of bracket (25) and is arranged on the even number end element of the upper opposite side of bracket (25), described odd number end element includes 12 odd number end cavity body filters, odd number end duplexer (26) and odd number end low pass filter (27), 12 odd number end cavity body filter respectively the first cavity body filter (1), 3rd cavity body filter (3), 5th cavity body filter (5), 7th cavity body filter (7), 9th cavity body filter (9), 11st cavity body filter (11), 13rd cavity body filter (13), 15th cavity body filter (15), 17th cavity body filter (17), 19th cavity body filter (19), 21st cavity body filter (21) and the 23rd cavity body filter (23), described first cavity body filter (1), 3rd cavity body filter (3), 5th cavity body filter (5), 7th cavity body filter (7), the output port that 9th cavity body filter (9) and the 11st cavity body filter (11) parallel connection are after one group is connected with the high-end input port (43) of odd number end duplexer by the first tandem cable, described 13rd cavity body filter (13), 15th cavity body filter (15), 17th cavity body filter (17), 19th cavity body filter (19), the output port that 21st cavity body filter (21) and the 23rd cavity body filter (23) parallel connection are after one group is connected with the low-side input terminal mouth (44) of odd number end duplexer by the second tandem cable, the input port of described first cavity body filter (1) is connected with the output port (40) of odd number end low pass filter,Described even number end element includes 12 even number end cavity body filters, even number end duplexer (28) and even number end low pass filter (29), 12 even number end cavity body filter respectively the second cavity body filter (2), 4th cavity body filter (4), 6th cavity body filter (6), 8th cavity body filter (8), tenth cavity body filter (10), 12nd cavity body filter (12), 14th cavity body filter (14), 16th cavity body filter (16), 18th cavity body filter (18), 20th cavity body filter (20), 22nd cavity body filter (22) and the 24th cavity body filter (24), described second cavity body filter (2), 4th cavity body filter (4), 6th cavity body filter (6), 8th cavity body filter (8), the output port that tenth cavity body filter (10) and the 12nd cavity body filter (12) parallel connection are after one group is connected with the low-side input terminal mouth (47) of even number end duplexer by the 3rd tandem cable, described 14th cavity body filter (14), 16th cavity body filter (16), 18th cavity body filter (18), 20th cavity body filter (20), the output port that 22nd cavity body filter (22) and the 24th cavity body filter (24) parallel connection are after one group is connected with the high-end input port (46) of even number end duplexer by the 4th tandem cable, and the input port of described second cavity body filter (2) is connected with the output port (42) of even number end low pass filter.
2. the miniaturization ultrashort wave multiplexer described in claim 1, it is characterized in that: 12 odd number end cavity body filters are arranged in order the edge placement place being laid in the upper side of bracket (25), 12 even number end cavity body filters are arranged in order the edge placement place being laid in the upper opposite side of bracket (25), described first cavity body filter (1) is relative with the second cavity body filter (2) lays, described 23rd cavity body filter (23) is relative with the 24th cavity body filter (24) to be laid, described odd number end duplexer (26) and odd number end low pass filter (27) are arranged on the upper middle position of bracket (25) near the side of the 23rd cavity body filter (23) and the 24th cavity body filter (24) after being encapsulated in odd number end duplexer and low pass filter housing (30), described even number end duplexer (28) and even number end low pass filter (29) are arranged on the upper middle position of bracket (25) near the side of the first cavity body filter (1) and the second cavity body filter (2) after being encapsulated in even number end duplexer and low pass filter housing (31), the high-end input port (43) of described odd number end duplexer, the low-side input terminal mouth (44) of odd number end duplexer, the antenna port (45) of odd number end duplexer, the input port (39) of odd number end low pass filter and the output port (40) of odd number end low pass filter are all exposed at odd number end duplexer and the top of low pass filter housing (30), the high-end input port (46) of described even number end duplexer, the low-side input terminal mouth (47) of even number end duplexer, the antenna port (48) of even number end duplexer, the input port (41) of even number end low pass filter and the output port (42) of even number end low pass filter are all exposed at even number end duplexer and the top of low pass filter housing (31).
3. the miniaturization ultrashort wave multiplexer described in claim 2, it is characterized in that: the input port (36) of 12 odd number end cavity body filters is all laid towards the edge of the upper side of bracket (25), and the output port (37) of 12 odd number end cavity body filters is all laid towards the centre position of bracket (25);The input port (36) of 12 even number end cavity body filters is all laid towards the edge of the upper opposite side of bracket (25), and the output port (37) of 12 even number end cavity body filters is all laid towards the centre position of bracket (25).
4. the miniaturization ultrashort wave multiplexer described in claim 1, it is characterized in that: the top of 12 the odd number end cavity body filters being arranged in order laying is provided with odd number end floral disc (32), the top of 12 the even number end cavity body filters being arranged in order laying is provided with even number end floral disc (38).
5. the miniaturization ultrashort wave multiplexer described in claim 1, it is characterised in that: described first tandem cable, the second tandem cable, the 3rd tandem cable and the 4th tandem cable are SFT-50-2-51 type teflon insulation semi-rigid coaxial cable.
6. the miniaturization ultrashort wave multiplexer described in claim 1, it is characterized in that: each odd number end cavity body filter is identical with the structure of each even number end cavity body filter and is the cavity body filter being internally provided with five joint coupling coils (34) at cavity body filter housing (33), five joints coupling coil (34) are respectively wound around on five cylindrical polytetrafluorethylescrewed screwed skeletons (35), on the length direction of described cavity body filter housing (33), a side roof part is provided with the input port (36) of cavity body filter, on the length direction of described cavity body filter housing (33), opposite side top is provided with the output port (37) of cavity body filter.
7. the miniaturization ultrashort wave multiplexer described in claim 6, it is characterised in that: the diameter of described polytetrafluorethylescrewed screwed skeleton (35) is 20mm, is highly 67mm; The length of described cavity body filter housing (33) is 140mm, and width is 30mm, is highly 87mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104257.8U CN205303635U (en) | 2015-12-27 | 2015-12-27 | Miniaturized ultrashort wave multiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104257.8U CN205303635U (en) | 2015-12-27 | 2015-12-27 | Miniaturized ultrashort wave multiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303635U true CN205303635U (en) | 2016-06-08 |
Family
ID=56473868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104257.8U Expired - Fee Related CN205303635U (en) | 2015-12-27 | 2015-12-27 | Miniaturized ultrashort wave multiplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428766A (en) * | 2015-12-27 | 2016-03-23 | 丹凤常兴科技实业有限公司 | Miniaturized ultra-short wave multiplexer |
-
2015
- 2015-12-27 CN CN201521104257.8U patent/CN205303635U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428766A (en) * | 2015-12-27 | 2016-03-23 | 丹凤常兴科技实业有限公司 | Miniaturized ultra-short wave multiplexer |
| CN105428766B (en) * | 2015-12-27 | 2017-02-22 | 丹凤常兴科技实业有限公司 | Miniaturized ultra-short wave multiplexer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102176525A (en) | Filtering device with compact structure | |
| CN105978522A (en) | Absorption-type band pass filter assembly | |
| CN108183293A (en) | Plane micro-strip duplexer | |
| CN205303635U (en) | Miniaturized ultrashort wave multiplexer | |
| CN105428766B (en) | Miniaturized ultra-short wave multiplexer | |
| CN202737068U (en) | Passive cavity dot frequency band-stop filter | |
| CN202210676U (en) | Multi-port communication radio-frequency lightning protection device | |
| CN104659453B (en) | A kind of broadband line combiner | |
| CN216120688U (en) | Three-frequency-band combiner | |
| CN215912076U (en) | Harmonic suppression matching circuit structure and power amplifier suitable for balun | |
| CN201682465U (en) | Miniaturized multiband combiner | |
| CN107689782A (en) | A kind of wave filter for suppressing second harmonic | |
| CN103762402B (en) | A kind of cavity body filter | |
| CN206471468U (en) | A kind of new UHF constant impedance type TV duplexer | |
| CN205282616U (en) | Multichannel borders on high -power spiral multiplexer of type | |
| CN201946729U (en) | FM (frequency modulation) vertical multiplexer | |
| CN202550044U (en) | Band-stop filter based on coaxial cavities | |
| CN201829596U (en) | Circular-cavity multi-band combiner | |
| CN101728608B (en) | Medium wave coaxial adapter | |
| CN107749508B (en) | Single ridge waveguide low pass filter and waveguide duplexer | |
| CN205211902U (en) | Four carrier wave basic station private networks close way system | |
| CN202084618U (en) | Filter device compact in structure | |
| CN201868543U (en) | Waveguide filter | |
| CN201584475U (en) | Medium wave coaxial adapter | |
| CN218498349U (en) | Low-frequency band dual directional coupler circuit structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20181227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |