CN102683777A - CDMA800 duplex filtering module with connecting plate on side of case body - Google Patents
CDMA800 duplex filtering module with connecting plate on side of case body Download PDFInfo
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- CN102683777A CN102683777A CN2012101202482A CN201210120248A CN102683777A CN 102683777 A CN102683777 A CN 102683777A CN 2012101202482 A CN2012101202482 A CN 2012101202482A CN 201210120248 A CN201210120248 A CN 201210120248A CN 102683777 A CN102683777 A CN 102683777A
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Abstract
The invention discloses a CDMA800 (code division multiple access) duplex filtering module with a connecting plate on the side of a case body, which comprises the case body, wherein the connecting plate is arranged on the side of the case body, a plurality of installation regulating holes are formed on the connecting plate, a resonator cavity is formed in the case body, silver is plated on the inner wall of the connecting plate, a plurality of installation holes are formed at the periphery of the resonator cavity, and a plurality of CDMA800 signal resonant frequency control rods are installed in the resonator cavity; a transmitting port SMA-KFD type connector is installed on the side of the case body, an antenna port SMA-KFD type connector and a receiving port SMA-KFD type connector are also installed on the side of the case body, and the transmitting port SMA-KFD type connector, the antenna port SMA-KFD type connector and the receiving port SMA-KFD type connector are connected to the CDMA800 signal resonant frequency control rods by CDMA800 signal input and output transmission lines; and a cover plate is arranged on the upper surface of the case body. According to the invention, two ports are directly connected to an internal signal transceiver by feeders, the other port is connected with a receiving and transmitting antenna at the top of an outdoor base station launching tower by a feeder, therefore, the CDMA800 duplex filtering module has the advantages of low loss, small external dimension, esthetic design, smooth signal transmission, convenience for installation and maintenance and the like.
Description
Technical field:
The present invention relates to the mobile communication equipment field, relate in particular to the CDMA800 duplex filtration module that a kind of box body side has connecting plate.
Background technology:
Existing antennas and transceiver input port are employed not to be low-loss, selective filter; All still adopt the irradiation structure and the multi-cavity resonance structure of solid type, bulky, complex structure; Processing difficulties has become the microminiaturized major obstacle of wireless communications products.Its main cause is that the radiation transformed space and the frequency resonance space of its institute's foundation is that the electrolyte constant approaches 1, the free air that loss is minimum.Opening up the electric constant of separating of various different sizes and also control, and separate the lower new material replacement free air of matter loss, is to realize antenna and filter complanation, microminiaturization and intelligentized major technique approach.
Therefore imagination provides a kind of low-loss high stability CDMA800 duplex filtration module, adopts the CDMA800 systems technology, only needs a 1.6MHz bandwidth, and FDD to be the cdma2000 of representative need 1.25 * 2 MHz bandwidth, WCDMA needs 5 * 2MHz to communicate by letter; Its voice spectrum utilance than WCDMA up to 2.5 times, data spectrum utilance even up to 3.1 times; Frequency range is fit to the multi-operator environment in pairs.Adopt a large amount of advanced technologies such as smart antenna, joint-detection and uplink synchronous, can reduce transmitting power, reduce multiple access and disturb, improve power system capacity; Can overcome the shortcoming that soft handover takies resource in a large number; Adopt the software radio advanced technology; Realize multi-standard base station and multimode terminal more easily; System is easier to upgrading; Be more suitable in the big city of GSM hot zones and at first build, adopt low-loss high stability CDMA800 duplex filtration module more be prone to support PTT professional with realize Digital Clustering of new generation.Can offset interference effectively, system can be worked under the condition of full code channel.Therefore, spectrum efficiency is high, can satisfy following expansion demand.
Summary of the invention:
The object of the invention just provides a kind of low-loss high stability CDMA800 duplex filtration module, is mainly used in mobile communication CDMA800 system receiving and transmitting signal duplexer filter spare.
The technical scheme that the present invention adopts is:
A kind of box body side has the CDMA800 duplex filtration module of connecting plate; Comprise box body: the box body side is provided with connecting plate; Have some install adjustment hole on the connecting plate, box body inside has resonant cavity, and the resonant cavity inwall is silver-plated; Be provided with some installing holes around the resonant cavity, some CDMA800 signal resonance frequency control levers are installed in the resonant cavity; The box body side is equipped with emission port SMA-KFD type connector; The box body side also is equipped with antenna port SMA-KFD type connector and receiving port SMA-KFD type connector, and said emission port SMA-KFD type connector, antenna port SMA-KFD type connector, receiving port SMA-KFD type connector all are connected to CDMA800 signal resonance frequency control lever through the input of CDMA800 signal, output transmission line; Cartridge upper surface is provided with cover plate, has some through holes on the cover plate and matches with CDMA800 signal resonance frequency control lever, also is provided with some holes that install and fix on the cover plate and matches with the interior installing hole of box body.
Its features of shape of said resonant cavity does, resonant cavity is the similar figure of three and has some bends, and CDMA800 signal resonance frequency control lever is distributed in the resonant cavity mutually across a certain distance.
Compared with prior art, beneficial effect of the present invention is:
The present invention has two ports and directly is connected to the internal signal transceiver through feeder line; The other end uses feeder line to be connected in the sending and receiving antenna at outdoor base station launching tower top, and this low-loss high stability CDMA800 duplex filtration module mainly has plurality of advantages such as loss is little, overall dimensions are little, be designed beautifully, the signal transmission is unobstructed, convenient for installation and maintenance.
Description of drawings:
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is a covering plate structure sketch map of the present invention.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is done further explain through embodiment:
A kind of box body side has the CDMA800 duplex filtration module of connecting plate; Comprise box body 1: box body 1 side is provided with connecting plate 12; Have some install adjustment hole 13 on the connecting plate 12, box body 1 inside has resonant cavity 2, and resonant cavity 2 inwalls are silver-plated; Be provided with some installing holes 11 around the resonant cavity 2, some CDMA800 signal resonance frequency control levers 3 are installed in the resonant cavity 2; Box body 1 side is equipped with emission port SMA-KFD type connector 4; Box body 1 side also is equipped with antenna port SMA-KFD type connector 6 and receiving port SMA-KFD type connector 7, and emission port SMA-KFD type connector 4, antenna port SMA-KFD type connector 6, receiving port SMA-KFD type connector 7 all are connected to CDMA800 signal resonance frequency control lever 3 through the input of CDMA800 signal, output transmission line 5; Box body 1 upper surface is provided with cover plate 8; Having some through holes 9 on the cover plate 8 matches with CDMA800 signal resonance frequency control lever 3; Also being provided with some holes 10 that install and fix on the cover plate matches with box body 1 interior installing hole 11; Resonant cavity 2 its features of shape do, resonant cavity 2 is the similar figure of three and has some bends, and CDMA800 signal resonance frequency control lever 3 is distributed in the resonant cavity 2 mutually across a certain distance.
As shown in the figure it comprise resonant cavity.Resonant cavity mainly is used for transmitting signal and the needed technical indicator of product each item that is produced between each frequency, is a kind of microwave transmission line, and electric energy that is produced when powering up work and magnetic energy are stored at inside, chamber.Aerial lug spare is the reception of CDMA800 signal, emission, antenna port SMA-KFD type port connector; Be mainly used in the outside dual-mode antenna device of feeder line (transfer wire between link block and the antenna just) link block; And CDMA800 signal resonance frequency control lever, intra design model and silver coating; CDMA800 signal input, output transmission line (being used for being connected of intra and outside SMA-KFD type connector), cover plate.The low-loss high stability CDMA800 duplex filtration module that mainly combines by this eight big core technology component.
The foregoing description is merely preferred implementation of the present invention, and in addition, the present invention can also have other implementations.Need to prove that under the prerequisite that does not break away from the present invention's design, any conspicuous improvement and modification all should fall within protection scope of the present invention.
Claims (2)
1. a box body side has the CDMA800 duplex filtration module of connecting plate; Comprise box body, it is characterized in that: the box body side is provided with connecting plate, has some install adjustment hole on the connecting plate; Box body inside has resonant cavity; The resonant cavity inwall is silver-plated, is provided with some installing holes around the resonant cavity, and some CDMA800 signal resonance frequency control levers are installed in the resonant cavity; The box body side is equipped with emission port SMA-KFD type connector; The box body side also is equipped with antenna port SMA-KFD type connector and receiving port SMA-KFD type connector, and said emission port SMA-KFD type connector, antenna port SMA-KFD type connector, receiving port SMA-KFD type connector all are connected to CDMA800 signal resonance frequency control lever through the input of CDMA800 signal, output transmission line; Cartridge upper surface is provided with cover plate, has some through holes on the cover plate and matches with CDMA800 signal resonance frequency control lever, also is provided with some holes that install and fix on the cover plate and matches with the interior installing hole of box body.
2. box body side according to claim 1 has the CDMA800 duplex filtration module of connecting plate; It is characterized in that: its features of shape of said resonant cavity does; Resonant cavity is the similar figure of three and has some bends, and CDMA800 signal resonance frequency control lever is distributed in the resonant cavity mutually across a certain distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101202482A CN102683777A (en) | 2012-04-23 | 2012-04-23 | CDMA800 duplex filtering module with connecting plate on side of case body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101202482A CN102683777A (en) | 2012-04-23 | 2012-04-23 | CDMA800 duplex filtering module with connecting plate on side of case body |
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| Publication Number | Publication Date |
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| CN102683777A true CN102683777A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101202482A Pending CN102683777A (en) | 2012-04-23 | 2012-04-23 | CDMA800 duplex filtering module with connecting plate on side of case body |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157939A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GCDMA filter |
| CN104157943A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability high-intermodulation dual-frequency 4G combiner |
| CN104157941A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GCDMA filter |
| CN104157938A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GGSM filter |
| CN104167582A (en) * | 2014-08-07 | 2014-11-26 | 董后友 | Low-loss, high-stability and high-intermodulation double-frequency 4G combiner |
| CN104332684A (en) * | 2014-10-23 | 2015-02-04 | 国家电网公司 | GSM (global system for mobile communications) compact filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251217A (en) * | 1997-03-20 | 2000-04-19 | Adc束利查股份有限公司 | Cavity resonator structure having improved cavity arrangement |
| CN201294518Y (en) * | 2008-10-20 | 2009-08-19 | 安徽科瑞达通信科技有限公司 | Wireless communication multi-band radio frequency switching-in module device |
| CN201336659Y (en) * | 2008-12-30 | 2009-10-28 | 安徽科瑞达通信科技有限公司 | Communication integration multi-system base station multiplexer |
| US20110001584A1 (en) * | 2008-05-01 | 2011-01-06 | Akira Enokihara | Radio-frequency filter device using dielectric waveguide with multiple resonant modes |
| CN202662755U (en) * | 2012-04-23 | 2013-01-09 | 安徽科瑞达通信科技有限公司 | CDMA 800 (code division multiple access 800) duplex filter module with connection plate at side of box body |
-
2012
- 2012-04-23 CN CN2012101202482A patent/CN102683777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251217A (en) * | 1997-03-20 | 2000-04-19 | Adc束利查股份有限公司 | Cavity resonator structure having improved cavity arrangement |
| US20110001584A1 (en) * | 2008-05-01 | 2011-01-06 | Akira Enokihara | Radio-frequency filter device using dielectric waveguide with multiple resonant modes |
| CN201294518Y (en) * | 2008-10-20 | 2009-08-19 | 安徽科瑞达通信科技有限公司 | Wireless communication multi-band radio frequency switching-in module device |
| CN201336659Y (en) * | 2008-12-30 | 2009-10-28 | 安徽科瑞达通信科技有限公司 | Communication integration multi-system base station multiplexer |
| CN202662755U (en) * | 2012-04-23 | 2013-01-09 | 安徽科瑞达通信科技有限公司 | CDMA 800 (code division multiple access 800) duplex filter module with connection plate at side of box body |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167582A (en) * | 2014-08-07 | 2014-11-26 | 董后友 | Low-loss, high-stability and high-intermodulation double-frequency 4G combiner |
| CN104157939A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GCDMA filter |
| CN104157943A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability high-intermodulation dual-frequency 4G combiner |
| CN104157941A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GCDMA filter |
| CN104157938A (en) * | 2014-08-08 | 2014-11-19 | 董后友 | Low-loss high-stability 4GGSM filter |
| CN104332684A (en) * | 2014-10-23 | 2015-02-04 | 国家电网公司 | GSM (global system for mobile communications) compact filter |
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Application publication date: 20120919 |