CN101557025B - Compact GSM/CDMA shared combiner for transceiving - Google Patents

Compact GSM/CDMA shared combiner for transceiving Download PDF

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Publication number
CN101557025B
CN101557025B CN2009100277598A CN200910027759A CN101557025B CN 101557025 B CN101557025 B CN 101557025B CN 2009100277598 A CN2009100277598 A CN 2009100277598A CN 200910027759 A CN200910027759 A CN 200910027759A CN 101557025 B CN101557025 B CN 101557025B
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resonant
resonant cavity
cavity
tep reel
rod
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CN101557025A (en
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许贤利
王伟
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Saigew Microwave Science & Technology Co., Ltd.
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Nanjing Saigew Microwave Science & Technology Co Ltd
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Abstract

The invention relates to a compact GSM/CDMA shared combiner for transceiving, which subtly adopts a back-to-back physical structure and simultaneously applies the non-resonating node technology and the multi-zero-point technology of an ANT end of a coaxial cavity to perfectly combine cluster 800MHz and Unicom CDMA for sharing the ANT end for output. The compact GSM/CDMA shared combiner for transceiving greatly saves the space volume, lowers the cost and reduces the system loss. The compact GSM/CDMA shared combiner for transceiving subtly adopts the back-to-back physical structure and simultaneously applies the non-resonating node technology and the multi-zero-point technology of the ANT end of the coaxial cavity to perfectly combine cluster 800MHz and Unicom CDMA for sharing the ANT end ofthe coaxial cavity for output. The compact GSM/CDMA shared combiner for transceiving greatly saves the space volume, lowers the cost and reduces the system loss.

Description

Compact GSM/CDMA transmit-receive sharing mixer
Technical field
The present invention relates to a kind of communication equipment field, specifically a kind of compact GSM/CDMA transmit-receive sharing mixer.
Background technology
Along with the development of mobile communication, the existing attitude that multiple system occurred and deposited, the communication network that has multiple system in each operator.At present, all there are GSM and cdma mobile communication network (being called G net and C net respectively) in several big mobile communication carrier of China, and usually, these two kinds of networks are to build respectively in same iron tower through different antenna-feedback systems.But can unite two into one fully with regard to antenna-feedback system; Promptly only use a cover antenna-feedback system, increase the GSM/CDMA mixer; The signal that so not only can accomplish CDMA and GSM net covers; And can reduce pylon requirement, minimizing difficulty of construction, saving cost of equipment and operating expenses, its comprehensive benefit is obvious.
At present, conventional GSM/CDMA mixer can adopt two direct cascades of duplexer to form T type knot in theory, and is as shown in Figure 1.Yet, in practical application, usually said structure is made a variation, split earlier and close the road again, like Fig. 2, be the syndeton sketch map of the GSM/CDMA mixer that adopts three duplexers.But this structure needs three devices; Add some cables and could realize repertoire, equipment disperses, power loss is big, volume dispersion, with high costs, brings very big inconvenience to installation and maintenance; And power capacity is little, and debugging difficulty is big, gives to produce in batches to use and brings very big inconvenience.
The mixer insertion loss of adopting coaxial cavity to realize is little, and temperature stability is good, and the outer inhibition degree of band is high, is that the ideal of GSM/CDMA co-space feedback system base station mixer is selected.
Summary of the invention
The present invention seeks to overcome above-mentioned drawback, a kind of complete function, the strong and reliable and stable compact GSM/CDMA transmit-receive sharing mixer of antijamming capability are provided.
Technical scheme of the present invention is:
A kind of compact GSM/CDMA transmit-receive sharing mixer; It is characterized in that comprising first resonant cavity, second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity; Be equipped with resonant rod installing hole and dividing plate in said first resonant cavity, second resonant cavity, the 3rd resonant cavity, the 4th resonant cavity, the 5th resonant cavity and the 6th resonant cavity; The resonant rod installing hole is to run through the front of cavity and the through hole of reverse side; The resonant rod installing hole is provided with one or two tep reel resonant rod, and dividing plate is provided with coupling window; First resonant cavity, the 3rd resonant cavity, the 5th resonant cavity and the 6th resonant cavity are arranged on the front of cavity, and second resonant cavity and the 4th resonant cavity are arranged on the reverse side of cavity; Be respectively equipped with four chamber simple zero structures and four chambeies structure at two zero point in first resonant cavity, second resonant cavity, the 3rd resonant cavity and the 4th resonant cavity; The overlapping part of first resonant cavity and the 3rd resonant cavity is provided with the first disresonance node, and the first disresonance node is electrically connected with the 5th resonant cavity; The overlapping part of second resonant cavity and the 4th resonant cavity is provided with the second disresonance node, and the second disresonance node is electrically connected with the 6th resonant cavity; The overlapping part of the 5th resonant cavity and the 6th resonant cavity is provided with the 3rd disresonance node, and the 3rd disresonance node is electrically connected with the inner core that closes the terminal joint; First resonant cavity and second resonant cavity are electrically connected in first joint; The 3rd resonant cavity and the 4th resonant cavity are electrically connected in second joint; Be equipped with cover plate in the front of cavity and the reverse side of cavity, the corresponding position, position with the resonant rod installing hole on the cover plate is provided with tuning screw rod, and cover plate removably connects through screw hole on the cavity and cavity.
Be symmetrical set two tep reel resonant rods on the said first disresonance node; Be connected with first disresonance node coupling tap on one of them tep reel resonant rod and connect lead; Be electrically connected with the chamber wall of the 5th resonant cavity after first disresonance node coupling tap connection lead passes the first disresonance node intercommunicating pore, be provided with dielectric between the first disresonance node coupling tap connection lead and the first disresonance node intercommunicating pore.
Be symmetrical set two tep reel resonant rods on the said second disresonance node; Be connected with second disresonance node coupling tap on one of them tep reel resonant rod and connect lead; Be electrically connected with the chamber wall of the 6th resonant cavity after second disresonance node coupling tap connection lead passes the second disresonance node intercommunicating pore, be provided with dielectric between the second disresonance node coupling tap connection lead and the second disresonance node intercommunicating pore.
Said the 3rd disresonance node is provided with a tep reel resonant rod, and this tep reel resonant rod closes road coupling tap connection lead through the 3rd disresonance node and is electrically connected with the inner core that closes the terminal joint.
Said first joint top is provided with first and is communicated with window, and the inner core of first joint is electrically connected through the first coupling tap and adjacent with it tep reel resonant rod.
Said second joint top is provided with second and is communicated with window, and the inner core of second joint is electrically connected through the second coupling tap and adjacent with it tep reel resonant rod.
Said tep reel resonant rod is the tep reel resonant rod that is provided with the tep reel resonant rod of tep reel resonant rod notch or is not provided with tep reel resonant rod notch, is connected through screw rod between tep reel resonant rod and the tep reel resonant rod or between tep reel resonant rod and the cavity.
The invention has the beneficial effects as follows:
Compact GSM of the present invention/CDMA transmit-receive sharing mixer is used back-to-back physical structure dexterously; Use coaxial cavity ANT end disresonance node technology, multi-zero technology simultaneously; GSM cluster 800MHz and the CDMA of UNICOM are ideally combined the output of shared coaxial cavity ANT end.Greatly saved spatial volume, and reduced cost, reduced system loss.
Coupled structure of the present invention has made full use of the first coupling tap, the second coupling tap, the second disresonance node is coupled, and tap connects lead and first disresonance node coupling tap is connected the space structure that lead passes cavity inner wall; Both realized coupling; Do not take and outer space again, more do not need cable to connect.
Description of drawings
Fig. 1 is the theory diagram of the GSM/CDMA transmitting-receiving mixer of T type junction structure.
Fig. 2 receives and dispatches the theory diagram of mixer for the GSM/CDMA that adopts three duplexers.
Fig. 3 is the positive structural representation of cavity of the present invention.
Fig. 4 is the structural representation of cavity of the present invention side.
Fig. 5 is the structural representation of cavity reverse side of the present invention.
Fig. 6 is the structural representation of tep reel resonant rod of the present invention.
Fig. 7 is the positive assembly structure sketch map of cavity of the present invention.
Fig. 8 is the assembly structure sketch map of cavity reverse side of the present invention.
Among the figure: 1 is cavity; 2 is first joint; 20 is the first connection window; 201 is the first coupling tap; 3 is second joint; 30 is the second connection window; 301 is the second coupling tap; 4 for closing the terminal joint; 5 is first resonant cavity; 6 is second resonant cavity; 7 is the 3rd resonant cavity; 8 is the 4th resonant cavity; 9 is the 5th resonant cavity; 10 is the 6th resonant cavity; 11 is the resonant rod installing hole; 12 is dividing plate; 13 is coupling window; 14 is screw hole; 15 is four chamber simple zero structures; 16 is four chambeies structures at two zero point; 17 is the first disresonance node; 170 is the first disresonance node intercommunicating pore; 171 is that first disresonance node coupling tap connects lead; 18 is the second disresonance node; 180 is the second disresonance node intercommunicating pore; 181 is that second disresonance node coupling tap connects lead; 19 is the 3rd disresonance node; 190 is that the 3rd disresonance node closes road coupling tap connection lead; 21 is the tep reel resonant rod; 211 is tep reel resonant rod notch.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
A kind of compact GSM/CDMA transmit-receive sharing mixer; Adopt the physical structure of " back-to-back " dexterously; Use coaxial cavity ANT end disresonance node technology, multi-zero technology simultaneously, cluster 800MHz and the CDMA of the UNICOM shared ANT end that ideally combines is exported.Greatly saved spatial volume, and reduced cost, reduced system loss.
The present invention is through first resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7, the 4th resonant cavity 8, the 5th resonant cavity 9 and the 6th resonant cavity 10 structure that is connected of three duplexers of employing in the alternate figures 2 respectively; Wherein, the frequency range of first resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7, the 4th resonant cavity 8, the 5th resonant cavity 9 and the 6th resonant cavity 10 pairing duplexers is respectively: 806MHz-821MHz, 855MHz-866MHz, 825MHz-835MHz, 870MHz-880MHz, 806MHz-835MHz and 855MHz-880MHz.The syndeton of first resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7, the 4th resonant cavity 8, the 5th resonant cavity 9 and the 6th resonant cavity 10 adopts the theory structure of Fig. 2.First resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7, the 4th resonant cavity 8, the 5th resonant cavity 9 and the 6th resonant cavity 10 all are incorporated in the cavity 1 that is made by metal material, add the cover plate of cavity 1 positive and negative, constitute cavity body structure jointly.The present invention has two input ports, is respectively first joint 2 and second joint 3, Port1 in the corresponding diagram 2 and Port2; The present invention is provided with an output port, promptly closes terminal joint 4, the ANT end in the corresponding diagram 2.
In conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6; A kind of compact GSM/CDMA transmit-receive sharing mixer; Comprise first resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7, the 4th resonant cavity 8, the 5th resonant cavity 9 and the 6th resonant cavity 10; Be equipped with several resonant rod installing holes 11 and dividing plate 12 in said first resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7, the 4th resonant cavity 8, the 5th resonant cavity 9 and the 6th resonant cavity 10, resonant rod installing hole 11 is for to run through the front of cavity 1 and the through hole of reverse side, and resonant rod installing hole 11 is provided with one or two tep reel resonant rod 21; The position of corresponding resonant rod installing hole 11 is equipped with a tep reel resonant rod 21 in each resonant cavity; Different resonant cavitys can a shared resonant rod installing hole 11, like this, will be symmetrical set two tep reel resonant rods 21 of volume on the resonant rod installing hole 11.
Dividing plate 12 is provided with coupling window 13, and 13 couples of Wei Boqi of coupling window are to filter action; First resonant cavity 5, the 3rd resonant cavity 7, the 5th resonant cavity 9 and the 6th resonant cavity 10 are arranged on the front of cavity 1, and second resonant cavity 6 and the 4th resonant cavity 8 are arranged on the reverse side of cavity 1; Be respectively equipped with four chamber simple zero structures 15 and four chambeies structure at two zero point 16 in first resonant cavity 5, second resonant cavity 6, the 3rd resonant cavity 7 and the 4th resonant cavity 8; The overlapping part of first resonant cavity 5 and the 3rd resonant cavity 7 is provided with the first disresonance node, 17, the first disresonance nodes 17 and is electrically connected with the 5th resonant cavity 9; The overlapping part of second resonant cavity 6 and the 4th resonant cavity 8 is provided with the second disresonance node, 18, the second disresonance nodes 18 and is electrically connected with the 6th resonant cavity 10; The overlapping part of the 5th resonant cavity 9 and the 6th resonant cavity 10 is provided with the 3rd disresonance node 19, the three disresonance nodes 19 and is electrically connected with the inner core that closes terminal joint 4; First resonant cavity 5 and second resonant cavity 6 are electrically connected at first joint, 2 places; The 3rd resonant cavity 7 and the 4th resonant cavity 8 are electrically connected at second joint, 3 places; Be equipped with cover plate in the front of cavity 1 and the reverse side of cavity 1, the corresponding position, position with resonant rod installing hole 11 on the cover plate is provided with tuning screw rod, and cover plate removably connects through screw hole on the cavity 1 14 and cavity 1.Cavity 1 can obtain through numerically-controlled precise processing, and cavity 1 surface also can zinc-plated silver-plated processing.
Like Fig. 7; Be symmetrical set two tep reel resonant rods 21 on the first disresonance node 17; These two tep reel resonant rods 21 lay respectively at the positive and negative of cavity 1; Wherein be positioned at and be connected with first disresonance node coupling tap on the tep reel resonant rod 21 in front of cavity 1 and connect lead 171; First disresonance node coupling tap connection lead 171 passes the first disresonance node intercommunicating pore, 170 backs and is electrically connected with the chamber wall of the 5th resonant cavity 9, is provided with dielectric between the first disresonance node coupling tap connection lead 171 and the first disresonance node intercommunicating pore 170.
Like Fig. 8; Be symmetrical set two tep reel resonant rods 21 on the second disresonance node 18; One of them is positioned at and is connected with second disresonance node coupling tap on the tep reel resonant rod 21 of cavity 1 reverse side and connects lead 181; Second disresonance node coupling tap connection lead 181 passes the second disresonance node intercommunicating pore, 180 backs and is electrically connected with the chamber wall of the 6th resonant cavity 10, is provided with dielectric between the second disresonance node coupling tap connection lead 181 and the second disresonance node intercommunicating pore 180.
The 3rd disresonance node 19 is provided with a tep reel resonant rod 21, and this tep reel resonant rod 21 closes road coupling tap connection lead 190 through the 3rd disresonance node and is electrically connected with the inner core that closes terminal joint 4.
The inner core that first joint, 2 tops are provided with the first connection window, 20, the first joints 2 is electrically connected through the first coupling tap 201 and adjacent with it tep reel resonant rod 21.
The inner core that second joint, 3 tops are provided with the second connection window, 30, the second joints 3 is electrically connected through the second coupling tap 301 and adjacent with it tep reel resonant rod 21.
Tep reel resonant rod 21 is for being provided with the tep reel resonant rod 21 of tep reel resonant rod notch 211 or not being provided with the tep reel resonant rod 21 of tep reel resonant rod notch 211, is connected through screw rod between tep reel resonant rod 21 and the tep reel resonant rod 21 or between tep reel resonant rod 21 and the cavity 1.
Electrical connection of the present invention can connect through electric soldering.About the concrete layout structure of the concrete shape of the casing of cavity 1 or tep reel resonant rod 11 and dividing plate 12,, can do suitable adjustment under connotation of the present invention.

Claims (7)

1. compact GSM/CDMA transmit-receive sharing mixer; It is characterized in that comprising first resonant cavity (5), second resonant cavity (6), the 3rd resonant cavity (7), the 4th resonant cavity (8), the 5th resonant cavity (9) and the 6th resonant cavity (10); Be equipped with resonant rod installing hole (11) and dividing plate (12) in said first resonant cavity (5), second resonant cavity (6), the 3rd resonant cavity (7), the 4th resonant cavity (8), the 5th resonant cavity (9) and the 6th resonant cavity (10); Resonant rod installing hole (11) is for running through the front of cavity (1) and the through hole of reverse side; Resonant rod installing hole (11) is provided with one or two tep reel resonant rod (21), and dividing plate (12) is provided with coupling window (13); First resonant cavity (5), the 3rd resonant cavity (7), the 5th resonant cavity (9) and the 6th resonant cavity (10) are arranged on the front of cavity (1), and second resonant cavity (6) and the 4th resonant cavity (8) are arranged on the reverse side of cavity (1); Be respectively equipped with the two structures at zero point (16) in four chamber simple zero structures (15) and four chambeies in first resonant cavity (5), second resonant cavity (6), the 3rd resonant cavity (7) and the 4th resonant cavity (8); The overlapping part of first resonant cavity (5) and the 3rd resonant cavity (7) is provided with the first disresonance node (17), and the first disresonance node (17) is electrically connected with the 5th resonant cavity (9); The overlapping part of second resonant cavity (6) and the 4th resonant cavity (8) is provided with the second disresonance node (18), and the second disresonance node (18) is electrically connected with the 6th resonant cavity (10); The overlapping part of the 5th resonant cavity (9) and the 6th resonant cavity (10) is provided with the 3rd disresonance node (19), and the 3rd disresonance node (19) is electrically connected with the inner core that closes terminal joint (4); First resonant cavity (5) and second resonant cavity (6) are located to be electrically connected at first joint (2); The 3rd resonant cavity (7) and the 4th resonant cavity (8) are located to be electrically connected at second joint (3); Be equipped with cover plate in the front of cavity (1) and the reverse side of cavity (1), the corresponding position, position with resonant rod installing hole (11) on the cover plate is provided with tuning screw rod, and cover plate removably connects through screw hole (14) on the cavity (1) and cavity (1).
2. compact GSM according to claim 1/CDMA transmit-receive sharing mixer; It is characterized in that being symmetrical set two tep reel resonant rods (21) on the said first disresonance node (17); Be connected with first disresonance node coupling tap on one of them tep reel resonant rod (21) and connect lead (171); First disresonance node coupling tap connection lead (171) passes the first disresonance node intercommunicating pore (170) back and is electrically connected with the chamber wall of the 5th resonant cavity (9), is provided with dielectric between the first disresonance node coupling tap connection lead (171) and the first disresonance node intercommunicating pore (170).
3. compact GSM according to claim 1/CDMA transmit-receive sharing mixer; It is characterized in that being symmetrical set two tep reel resonant rods (21) on the said second disresonance node (18); Be connected with second disresonance node coupling tap on one of them tep reel resonant rod (21) and connect lead (181); Second disresonance node coupling tap connection lead (181) passes the second disresonance node intercommunicating pore (180) back and is electrically connected with the chamber wall of the 6th resonant cavity (10), is provided with dielectric between the second disresonance node coupling tap connection lead (181) and the second disresonance node intercommunicating pore (180).
4. compact GSM according to claim 1/CDMA transmit-receive sharing mixer; It is characterized in that said the 3rd disresonance node (19) is provided with a tep reel resonant rod (21), this tep reel resonant rod (21) closes road coupling tap connection lead (190) through the 3rd disresonance node and is electrically connected with the inner core that closes terminal joint (4).
5. compact GSM according to claim 1/CDMA transmit-receive sharing mixer; It is characterized in that said first joint (2) top is provided with first and is communicated with window (20), the inner core of first joint (2) is electrically connected through the first coupling tap (201) and adjacent with it tep reel resonant rod (21).
6. compact GSM according to claim 1/CDMA transmit-receive sharing mixer; It is characterized in that said second joint (3) top is provided with second and is communicated with window (30), the inner core of second joint (3) is electrically connected through the second coupling tap (301) and adjacent with it tep reel resonant rod (21).
7. according to one of any described compact GSM/CDMA transmit-receive sharing mixer of claim 1 to 6; It is characterized in that said tep reel resonant rod (21) for being provided with the tep reel resonant rod (21) of tep reel resonant rod notch (211) or not being provided with the tep reel resonant rod (21) of tep reel resonant rod notch (211), be connected through screw rod between tep reel resonant rod (21) and the tep reel resonant rod (21) or between tep reel resonant rod (21) and the cavity (1).
CN2009100277598A 2009-05-20 2009-05-20 Compact GSM/CDMA shared combiner for transceiving Active CN101557025B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101728609A (en) * 2010-01-07 2010-06-09 东莞市苏普尔电子科技有限公司 Implementing method for preventing signals of coaxial filter from leaking and signal processing device
CN109066026B (en) * 2018-07-05 2023-08-15 南京信息工程大学 Ka-band double-channel duplexer applicable to multi-antenna array
WO2021072618A1 (en) * 2019-10-15 2021-04-22 华为技术有限公司 Combiner

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US6711360B1 (en) * 2001-12-28 2004-03-23 Remec, Inc, Duty-cycle adjustable clock generator with low reverse bias and zero DC level
CN2657318Y (en) * 2003-11-25 2004-11-17 杭州紫光通信技术有限公司 CDMA/GSM double-frequency circuit connector
CN2731877Y (en) * 2004-09-22 2005-10-05 摩比天线技术(深圳)有限公司 Route synthetizer for GSM/CDMA co-space feedback system base station
CN1775945A (en) * 2005-05-17 2006-05-24 上海大学 Method for in vitro inhibiting AF116909 gene induced nerve stem cells from directional differentiating into cholinergic neuron
CN2796134Y (en) * 2005-01-05 2006-07-12 北京东方信联科技有限公司 PHS/WCDMA circuit integrating device
CN201018482Y (en) * 2007-03-12 2008-02-06 京信通信系统(中国)有限公司 Dual-frequency combiner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6711360B1 (en) * 2001-12-28 2004-03-23 Remec, Inc, Duty-cycle adjustable clock generator with low reverse bias and zero DC level
CN2657318Y (en) * 2003-11-25 2004-11-17 杭州紫光通信技术有限公司 CDMA/GSM double-frequency circuit connector
CN2731877Y (en) * 2004-09-22 2005-10-05 摩比天线技术(深圳)有限公司 Route synthetizer for GSM/CDMA co-space feedback system base station
CN2796134Y (en) * 2005-01-05 2006-07-12 北京东方信联科技有限公司 PHS/WCDMA circuit integrating device
CN1775945A (en) * 2005-05-17 2006-05-24 上海大学 Method for in vitro inhibiting AF116909 gene induced nerve stem cells from directional differentiating into cholinergic neuron
CN201018482Y (en) * 2007-03-12 2008-02-06 京信通信系统(中国)有限公司 Dual-frequency combiner

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Address after: 210031 J03-B, Liu Liu Industrial Park, Taishan Park, Nanjing hi tech Development Zone, Jiangsu, China

Patentee after: Saigew Microwave Science & Technology Co., Ltd.

Address before: 210031 J03-B, Liu Liu Industrial Park, Taishan Park, Nanjing hi tech Development Zone, Jiangsu, China

Patentee before: Nanjing Saigew Microwave Science & Technology Co., Ltd.