CN201904778U - Antenna sharer used for double-frequency range broadband broadcasting station - Google Patents
Antenna sharer used for double-frequency range broadband broadcasting station Download PDFInfo
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- CN201904778U CN201904778U CN2010206138718U CN201020613871U CN201904778U CN 201904778 U CN201904778 U CN 201904778U CN 2010206138718 U CN2010206138718 U CN 2010206138718U CN 201020613871 U CN201020613871 U CN 201020613871U CN 201904778 U CN201904778 U CN 201904778U
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Abstract
The utility model relates to an antenna sharer used for a double-frequency range broadband broadcasting station. A whole body is formed by a double-frequency range high-frequency channel cavity and a high-pass filter arranged in the double-frequency range high-frequency channel cavity, a double-frequency range low-frequency channel cavity and a low-pass filter arranged in the double-frequency range low-frequency channel cavity, a high-frequency channel switcher, a low-frequency channel switcher, a double-frequency range antenna switcher, a radio frequency input bidirectional switcher, a radio frequency output bidirectional switcher, a PCB (printed circuit board) circuit mother board, and a shielding separator. Moreover, on structural arrangement, two independent cavities are simultaneously mounted on the PCB (printed circuit board) circuit mother board. In a measure for implementing a radio frequency circuit, the oneness and high isolation for real-time radio frequency signal transmission are always maintained. Only the radio frequency signals working online are smooth; while the radio frequency points of the radio frequency signals which does not work are always earthed in a concentrated way, which guarantees the transmission performances, realizes the suppression performances, and guarantees sufficient use of the frequencies at the frequency range I and the frequency range II. The antenna sharer used for the double-frequency range broadband broadcasting station has the characteristics of skillful concept, reasonable design, reliable work, high cost performance, etc.
Description
Technical field
The utility model relates to a kind of antenna assembly that is used for the radio station, particularly a kind of antenna sharing apparatus that is used for dual-band broadband radio.
Background technology
Nowadays, along with the rapid opening of telecommunication market and the fast development of command, control, communications, and information industrial technology, and the continuous appearance of software wireless programmable radio, make and develop into the multiband multi-operation mode for vehicle radio station, shipborne radio station and the airborne station of people's extensive use from original single frequency band working method already.That is to say, by a radio station asynchronous working online simultaneously, to realize the communication service of fast and flexible in two or more frequency range patterns.
In view of this, in order to adapt to two-band or multiple frequency bands broadband radio station need of work, the development of various two-forty wireless access wide band technologies also very rapidly.Yet not perfect with the antenna sharing apparatus that two broadband frequency ranges of an antenna realization are worked simultaneously, this is insider's problem demanding prompt solution.
Summary of the invention
The purpose of this utility model provides a kind of and is skillfully constructed, works with regard to being to overcome the deficiency of above-mentioned prior art and effectively is used for the antenna sharing apparatus of dual-band broadband radio.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of antenna sharing apparatus that is used for dual-band broadband radio, comprise: two-band hf channel cavity, two-band low channel cavity, hf channel switch, low channel switch, dual-band antenna switch, radio frequency are imported two-way switch, radio frequency is exported two-way switch, PCB printed circuit motherboard and shielding division board, and its global feature is:
The left side of described PCB printed circuit motherboard is equipped with two-band hf channel cavity U
1, and the right is equipped with two-band low channel cavity U
2, and its top is equipped with hf channel switch K from left to right successively
1, dual-band antenna switch K
3, radio frequency is exported two-way switch K
5, radio frequency is imported two-way switch K
4With low channel switch K
2, together with two-band hf channel cavity U
1Interior high pass filter and the two-band low channel cavity U that is provided with
2In the LC low pass filter that is provided with, combining together with the shielding division board constitutes an integral body.
The utility model is based on top-down whole design idea, low-frequency range in the I frequency range of the high band in the I frequency range of dual-band broadband radio and high band in the II frequency range and dual-band broadband radio and the low-frequency range in the II frequency range are separated, adopt the LC inductance capacitance to make two high pass filters and two low pass filters, the former places in the hf channel cavity, the latter places in the low channel cavity, to constitute two independently among the cavity, thereby the frequency resource of having guaranteed each frequency range can not lost, influencing each other when having avoided networking to use.Realized the high degree of isolation between a radio station I frequency range and the II frequency range simultaneously, a shared antenna need not physical isolation just can switch fast, use freely.
The utility model is installed in two individual cavity on the PCB printed circuit motherboard in topology layout simultaneously, and the input of hf channel is arranged on Far Left, and the input of low channel is arranged on rightmost, can effectively avoid crosstalking in promptly discrete two.Ground wire layout on PCB printed circuit motherboard then takes to concentrate same plane, large tracts of land setting and the mode of effectively separating, and to shorten transmission range, unimpeded delivering path is realized effective grounding, eliminates noise jamming.
In addition, the utility model always keeps the unicity and the high isolation of real-time radio signal transmission in the measure of implementing radio circuit.The radiofrequency signal that promptly only works online is unblocked, and the radio frequency point of the radiofrequency signal of not working is as yet always concentrated ground connection, and transmission performance is protected, and rejection is achieved, and guarantees that I, II band frequency use the nothing disappearance.Have be skillfully constructed, characteristics such as reasonable in design, reliable operation, cost performance height.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model operation principle block diagram;
Fig. 3 is the utility model hf channel I, II frequency range high pass filter electrical schematic diagram;
Fig. 4 is the utility model low channel I, II band low-pass filter electrical schematic diagram;
Symbol description among the figure:
1 is two-band hf channel cavity U
1
2 is two-band low channel cavity U
2
3 is hf channel switch K
1
4 is low channel switch K
2
5 is dual-band antenna switch K
3
6 import two-way switch K for radio frequency
4
7 export two-way switch K for radio frequency
5
8 is PCB printed circuit motherboard;
9 are the shielding division board;
1.1 be I frequency range high pass filter H
1
1.2 be II frequency range high pass filter H
2
2.1 be I band low-pass filter L
1
2.2 be II band low-pass filter L
2
Embodiment
See also Fig. 1 to shown in Figure 4, be the utility model specific embodiment.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4 as can be seen:
The antenna sharing apparatus that is used for dual-band broadband radio includes two-band hf channel cavity U
11, two-band low channel cavity U
22, hf channel switch K
13, low channel switch K
24, dual-band antenna switch K
35, radio frequency is imported two-way switch K
46, radio frequency is exported two-way switch K
57, PCB printed circuit motherboard 8 and shielding division board 9 is characterized in that:
The left side of described PCB printed circuit motherboard 8 is equipped with two-band hf channel cavity U
11, and the right is equipped with two-band low channel cavity U
22, and its top is equipped with hf channel switch K from left to right successively
13, dual-band antenna switch K
35, radio frequency is exported two-way switch K
57, radio frequency is imported two-way switch K
46 and low channel switch K
24, together with two-band hf channel cavity U
1The high pass filter and the two-band low channel cavity U that are provided with in 1
2The low pass filters that are provided with in 2, and shielding division board 9 combines and constitutes an integral body.
Described two-band hf channel cavity U
1The high pass filter that is provided with in 1 has 2, and its top is I frequency range high pass filter H
11.1 the below is II frequency range high pass filter H
2(1,2) is provided with shielding division board 9 between the two, wherein:
I frequency range high pass filter H
11.1 the 13rd pin and hf channel switch K
13 the 31st pin is connected, and its 11st pin and dual-band antenna switch K
35 the 73rd pin is connected;
II frequency range high pass filter H
21.2 the 14th pin and hf channel switch K
13 the 32nd pin is connected, and its 12nd pin and dual-band antenna switch K
35 the 74th pin is connected;
Described two-band low channel cavity U
2The low pass filter that is provided with in 2 has 2, and its top is I band low-pass filter L
12.1 the below is II band low-pass filter L
22.2, be provided with shielding division board 9 between the two, wherein:
I band low-pass filter L
12.1 the 23rd pin and low channel switch K
24 the 41st pin is connected, and its 21st pin and radio frequency are imported two-way switch K
46 the 53rd pin is connected;
II band low-pass filter L
22.2 the 24th pin and low channel switch K
24 the 42nd pin is connected, and its 22nd pin and dual-band antenna switch K
35 the 74th pin is connected.
Described radio frequency is imported two-way switch K
46 the 51st pin and radio frequency are exported two-way switch K
57 the 63rd pin is connected, and radio frequency is exported two-way switch K then
57 the 61st pin and dual-band antenna switch K
35 the 73rd pin is connected.
What deserves to be explained is: hf channel in the utility model and the cavity of low channel employing model are that the copper material of the high conductivity of Hpb59-1 is made, and through the silver layer coating, to strengthen its conductive capability, cavity seals, the independent control of transmission/reflection realizes simple function in the cavity.Each radio frequency transmission is all used the high-performance radio-frequency coaxial line, to reduce effects of distribution parameters.High pass filter and low pass filter constitute by inductor and capacitor, and inductance coil adopts high strength enamelled wire coiling on toroidal core to form, and toroidal core is the high ferrocart core of temperature coefficient.Capacitor then is high-power, low-loss high-performance ceramic product, and each switch is complete laser package product.
Above embodiment only is novel technical characterictic and the exploitativeness of this use of explanation, and its purpose is to make the person skilled in art can understand its flesh and blood and concrete enforcement.Therefore, all conversion and modifications of making according to design of the present utility model all are included in the claim scope of the present utility model, and Gu Te files an application according to Patent Law.
Claims (4)
1. the antenna sharing apparatus that is used for dual-band broadband radio includes two-band hf channel cavity U
1(1), two-band low channel cavity U
2(2), hf channel switch K
1(3), low channel switch K
2(4), dual-band antenna switch K
3(5), radio frequency is imported two-way switch K
4(6), radio frequency is exported two-way switch K
5(7), PCB printed circuit motherboard (8) and shielding division board (9) is characterized in that:
The left side of described PCB printed circuit motherboard (8) is equipped with two-band hf channel cavity U
1And the right is equipped with two-band low channel cavity U (1),
2(2), and its top hf channel switch K is installed from left to right successively
1(3), dual-band antenna switch K
3(5), radio frequency is exported two-way switch K
5(7), radio frequency is imported two-way switch K
4(6) and low channel switch K
2(4), together with two-band hf channel cavity U
1(1) high pass filter and the two-band low channel cavity U that are provided with in
2(2) the interior low pass filter that is provided with, and shielding division board (9) combines and constitutes an integral body.
2. be used for the antenna sharing apparatus of dual-band broadband radio according to claim 1, it is characterized in that:
Described two-band hf channel cavity U
1(1) high pass filter that is provided with in has 2, and its top is I frequency range high pass filter H
1(1.1), the below is II frequency range high pass filter H
2(1.2), be provided with shielding division board (9) between the two, wherein:
I frequency range high pass filter H
1(1.1) the 13rd pin and hf channel switch K
1(3) the 31st pin is connected, and its 11st pin and dual-band antenna switch K
3(5) the 73rd pin is connected;
II frequency range high pass filter H
2(1.2) the 14th pin and hf channel switch K
1(3) the 32nd pin is connected, and its 12nd pin and dual-band antenna switch K
3(5) the 74th pin is connected;
3. be used for the antenna sharing apparatus of dual-band broadband radio according to claim 1, it is characterized in that:
Described two-band low channel cavity U
2(2) low pass filter that is provided with in has 2, and its top is I band low-pass filter L
1(2.1), the below is II band low-pass filter L
2(2.2), be provided with shielding division board (9) between the two, wherein:
I band low-pass filter L
1(2.1) the 23rd pin and low channel switch K
2(4) the 41st pin is connected, and its 21st pin and radio frequency are imported two-way switch K
4(6) the 53rd pin is connected;
II band low-pass filter L
2(2.2) the 24th pin and low channel switch K
2(4) the 42nd pin is connected, and its 22nd pin and dual-band antenna switch K
3(5) the 74th pin is connected.
4. be used for the antenna sharing apparatus of dual-band broadband radio according to claim 1, it is characterized in that:
Described radio frequency is imported two-way switch K
4(6) the 51st pin and radio frequency are exported two-way switch K
5(7) the 63rd pin is connected, and radio frequency is exported two-way switch K then
5(7) the 61st pin and dual-band antenna switch K
3(5) the 73rd pin is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206138718U CN201904778U (en) | 2010-11-19 | 2010-11-19 | Antenna sharer used for double-frequency range broadband broadcasting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206138718U CN201904778U (en) | 2010-11-19 | 2010-11-19 | Antenna sharer used for double-frequency range broadband broadcasting station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904778U true CN201904778U (en) | 2011-07-20 |
Family
ID=44275370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206138718U Expired - Lifetime CN201904778U (en) | 2010-11-19 | 2010-11-19 | Antenna sharer used for double-frequency range broadband broadcasting station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883151A (en) * | 2015-05-19 | 2015-09-02 | 北京中科飞鸿科技有限公司 | Micro ultra-wide-band band-pass LC filter |
| CN109152087A (en) * | 2018-07-26 | 2019-01-04 | 同方电子科技有限公司 | A kind of enemy and we's identification function extended method based on radio station |
-
2010
- 2010-11-19 CN CN2010206138718U patent/CN201904778U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883151A (en) * | 2015-05-19 | 2015-09-02 | 北京中科飞鸿科技有限公司 | Micro ultra-wide-band band-pass LC filter |
| CN104883151B (en) * | 2015-05-19 | 2018-10-02 | 北京中科飞鸿科技有限公司 | A kind of miniature ultrabroad band band logical LC filters |
| CN109152087A (en) * | 2018-07-26 | 2019-01-04 | 同方电子科技有限公司 | A kind of enemy and we's identification function extended method based on radio station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110720 |
|
| CX01 | Expiry of patent term |