CN101645700B - Bounce frequency filter - Google Patents
Bounce frequency filter Download PDFInfo
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- CN101645700B CN101645700B CN200910040262XA CN200910040262A CN101645700B CN 101645700 B CN101645700 B CN 101645700B CN 200910040262X A CN200910040262X A CN 200910040262XA CN 200910040262 A CN200910040262 A CN 200910040262A CN 101645700 B CN101645700 B CN 101645700B
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- frequency filter
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- diode array
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Abstract
The invention discloses a bounce frequency filter comprising heat conducting shell bodies, an analog circuit unit and a digital control circuit board, wherein the analog circuit unit comprises at least two syntonic modules, a switch diode array circuit and a high-pressure drive; the syntonic modules are connected by a coupler and are respectively connected with the digital control circuit board by the switch diode array circuit and the high-pressure drive and the analog circuit unit and the digital control circuit board are respectively arranged in different cavities of the heat conducting shell bodies. In this way, the electromagnetic interference between internal electronic elements is prevented and the height or the volume of a product is reduced. The product has good filtering effect and quick heat dispersion and can keep long-time working stability.
Description
Technical field
The present invention relates to electronic communication field, relate in particular to a kind of bounce frequency filter.
Background technology
Bounce frequency filter generally is installed in the delivery outlet of the power amplifier of transmitter, is used for the useless emission clutter frequency of effective filtering, and prevents that the air interference signal of other transmitter from getting into local transmitter, and bounce frequency filter belongs to band pass filter.Present powerful bounce frequency filter design weak point is to insert that loss is big, and filter effect is bad, and the element radiating difference causes working life short, and when the power of product is big more, the element heating amount is big more, just needs electronic component to adopt particular design to dispel the heat; Existing powerful bounce frequency filter small product size is big, and manufacturing cost is higher.
Summary of the invention
The embodiment of the invention provides a kind of bounce frequency filter, has good filter effect, can be under the high power work environment rapid heat dissipation, and reduce the electromagnetic interference between the electronic component.
The embodiment of the invention provides a kind of bounce frequency filter, and it comprises heat conduction shell, analog circuit unit, digital control circuit plate; Said analog circuit unit comprises at least two resonance modules, a switching diode array circuit, a high-voltage drive; Connect through coupler between a plurality of said resonance modules, a plurality of said resonance modules are connected with said digital control circuit plate through said switching diode array circuit, high-voltage drive respectively; Said analog circuit unit is separately positioned in the different heat conduction shell cavitys with the digital control circuit plate.
Further, said analog circuit unit comprises two resonance modules, and each said resonance modules is connected to form by resonator and impedance matching box; Connect through coupler between the resonator of two said resonance modules, the resonator of two said resonance modules is connected with the digital control circuit plate through said switching diode array circuit, high-voltage drive respectively successively; Signal is from the impedance matching box end input of a said resonance modules, from the impedance matching box end output of another said resonance modules.
Further, between said switching diode array circuit and the said high-voltage drive also coupling be connected with and be used for tuning choke.
Further again, the switching diode in the said switching diode array circuit be close to or be welded on said heat conduction shell inboard or with heat-conducting plate that heat conduction shell links to each other on.
Said heat conduction shell is the metal heat-conducting housing, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction shell cavity; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting housing inboard or with heat-conducting plate that the metal heat-conducting housing links to each other on.
Said heat conduction shell is the metal heat-conducting rack, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction rack; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting rack inboard or with heat-conducting plate that the metal heat-conducting rack links to each other on.
Further, said high-power bounce frequency filter is different according to the frequency of processing signals, adopts helical resonator or cavity resonator respectively.Said high-power bounce frequency filter adopts helical resonator when handling low-frequency signals; When handling high-frequency signal, adopt cavity resonator.
Further, the switching diode in the said switching diode array circuit adopts withstand voltage height, the little switching diode of internal resistance; The CMOS triode that said high-voltage drive adopts withstand voltage anti-stream parameter and frequency hopping speed parameter to be complementary according to the filtering demand.
Embodiment of the present invention embodiment; Through adopting new modularized circuit structural design; The analog circuit unit that will comprise resonance modules, switching diode array circuit, high-voltage drive is separately positioned in the different airtight metal shell cavitys with the digital control circuit plate; Analog circuit unit only is connected through lead with the digital control circuit plate; This had both prevented electromagnetic interference between the internal electronic element, can also satisfy the requirement of rapid heat dissipation according to customer requirement product height or the volume of reducing placed apart again.
As a kind of improved procedure, the switching diode that caloric value is big be close to or be welded on said heat conduction shell inboard or with heat-conducting plate that heat conduction shell links to each other on.Need to increase like fruit product power, said heat conduction shell will be adopted as the metal heat-conducting rack again, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction rack; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting rack inboard or with heat-conducting plate that the metal heat-conducting rack links to each other on.Can under the high power work environment, further strengthen radiating rate like this.
The embodiment of the invention can adopt double tuned circuit; Mate withstand voltage height, the little switching diode array circuit of internal resistance; And high performance high-voltage drive; The 3DB relative bandwidth that realizes bounce frequency filter remains on about 10% of signal sum frequency, and the insertion loss is low, and centre frequency ± 10% attenuation outside a channel is greater than 11DB.
Description of drawings
Fig. 1 is the bounce frequency filter structural representation block diagram that the embodiment of the invention one provides;
Fig. 2 is the bounce frequency filter equivalent circuit diagram that the embodiment of the invention one provides;
Fig. 3 is the bounce frequency filter structural representation block diagram that the embodiment of the invention two provides.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that the present invention is done to describe in detail further below.
As shown in Figure 1, the embodiment of the invention one provides a kind of powerful bounce frequency filter, in heat conduction shell, is provided with analog circuit unit and digital control circuit plate 40; Said analog circuit unit comprises two resonance modules 10 (being double tuned circuit), switching diode array circuit 20, a high-voltage drive 30.Said resonance modules 10 is connected to form by resonator 11 and impedance matching box 12; Connect through coupler 50 between the resonator 11 of two symmetrical resonance modules, the resonator 11 of two said resonance modules is connected with digital control circuit plate 40 through said switching diode array circuit 20, high-voltage drive 30 respectively successively.
Said heat conduction shell is the metal heat-conducting housing; Said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction shell cavity; Analog circuit unit only is connected through lead with the digital control circuit plate; This had both prevented electromagnetic interference between the internal electronic element, can also satisfy the requirement of rapid heat dissipation according to customer requirement with said analog circuit unit and digital control circuit plate product height or the volume of reducing placed apart again.
As a kind of improved procedure, the switching diode that caloric value is big be close to or be welded on said metal heat-conducting housing inboard or with heat-conducting plate that the metal heat-conducting housing links to each other on, can under the high power work environment, further strengthen radiating rate like this.
When the power of said bounce frequency filter surpasses 100 watt-hours, the caloric value of electronic component is bigger, and said heat conduction shell just need be made the metal heat-conducting rack, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction rack; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting rack inboard or with heat-conducting plate that the metal heat-conducting rack links to each other on.
Need the impedance matching box port input of the signal frequency of Filtering Processing from a said resonance modules, through the control of said digital control circuit plate 40, carry out frequency hopping filtering, filtered signal is from the impedance matching box port output of another said resonance modules.Said high-power bounce frequency filter is different according to the frequency of processing signals, adopts helical resonator or cavity resonator respectively.Adopt helical resonator such as the 100W power bounce frequency filter that is operated in 30M-90MHz, promptly adopt spiral resistance-type resonator; The 100W power bounce frequency filter that is operated in 90M-200MHz or 225M-512MHz adopts cavity resonator.
Switching diode in the said switching diode array circuit adopts withstand voltage height, the little switching diode of internal resistance, and switching speed guarantees within 30 microseconds.Number such as switching diode is 10, is divided into 5 one group and is connected through heat-conducting plate with said one of them resonator.Said high-voltage drive is taken all factors into consideration and is selected the big and fast CMOS triode of frequency hopping of current/voltage for use according to the CMOS triode that the filtering demand adopts withstand voltage anti-stream parameter and frequency hopping speed parameter to be complementary.
As shown in Figure 2, be the bounce frequency filter equivalent circuit diagram that the foregoing description provides, the resistance 1 of two symmetries is impedance matching box.Electronic switch 2 is equivalent to switching diode, receives the control signal of digital control circuit plate, controls the frequency hopping filtering of each resonance branch road.Lead or resistance 3 are coupler, connect the resonator of two symmetrical resonance modules.
As a kind of improved execution mode; As shown in Figure 3; The embodiment of the invention two provides a kind of powerful bounce frequency filter; And the difference of embodiment one is: between said switching diode array circuit 20 and said high-voltage drive 30, also increase and be connected with a plurality of chokes 60, be used for tuning with stop the alternating current conducting, only let the direct current conducting.
In embodiment two, the switching diode in the said switching diode array circuit be close to or be welded on said heat conduction shell inboard or with heat-conducting plate that heat conduction shell links to each other on.When the power of said bounce frequency filter surpasses 100 watt-hours, the caloric value of electronic component is bigger, and said heat conduction shell just need be made the metal heat-conducting rack, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction rack; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting rack inboard or with heat-conducting plate that the metal heat-conducting rack links to each other on.
Said high-power bounce frequency filter is different according to the frequency of processing signals, adopts helical resonator or cavity resonator respectively.Adopt helical resonator such as the 100W power bounce frequency filter that is operated in 30M-90MHz, promptly adopt spiral resistance-type resonator; The 100W power bounce frequency filter that is operated in 90M-200MHz or 225M-512MHz adopts cavity resonator.
Need to prove; Analog circuit unit also can comprise a plurality of resonance modules described in the bounce frequency filter that above-mentioned all embodiment provide; Connect through coupler between a plurality of said resonance modules; A plurality of said resonance modules are connected with the digital control circuit plate through said switching diode array circuit, high-voltage drive respectively, and its operation principle is the same with the bounce frequency filter that only comprises two resonance modules, here no longer repeat specification.
Above-mentioned all embodiment are through adopting new modularized circuit structural design; The analog circuit unit that will comprise resonance modules, switching diode array circuit, high-voltage drive is separately positioned in the different airtight metal shell cavitys with the digital control circuit plate; Analog circuit unit only is connected through lead with the digital control circuit plate; This had both prevented electromagnetic interference between the internal electronic element, can also satisfy the requirement of rapid heat dissipation according to customer requirement product height or the volume of reducing placed apart again.Can independently be vertically set in the backside cavity of analog circuit unit such as the digital control circuit plate, also can be set in parallel in the next door cavity of artificial circuit part, reduce the height of product.
The resonator that above-mentioned all embodiment adopt can bear 100 watts or higher radio frequency resonant power; And coupling connects withstand voltage height, the little switching diode array circuit of internal resistance; And high performance high-voltage drive; The 3DB relative bandwidth that realizes bounce frequency filter remains on about 10% of signal sum frequency, and the insertion loss is low, and centre frequency ± 10% attenuation outside a channel is greater than 11DB.
The above is a preferred implementation of the present invention; Certainly can not limit the present invention's interest field with this; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and change, these improvement and change also are regarded as protection scope of the present invention.
Claims (8)
1. a bounce frequency filter is characterized in that, comprises heat conduction shell, analog circuit unit, digital control circuit plate; Said analog circuit unit comprises at least two resonance modules, a switching diode array circuit, a high-voltage drive; Connect through coupler between a plurality of said resonance modules, a plurality of said resonance modules are connected with said digital control circuit plate through said switching diode array circuit, high-voltage drive respectively; Said analog circuit unit is separately positioned in the different heat conduction shell cavitys with the digital control circuit plate; Switching diode in the said switching diode array circuit be close to or be welded on said heat conduction shell inboard or with heat-conducting plate that heat conduction shell links to each other on.
2. bounce frequency filter according to claim 1 is characterized in that, said analog circuit unit comprises two resonance modules, and each said resonance modules is connected to form by resonator and impedance matching box; Connect through coupler between the resonator of two said resonance modules, the resonator of two said resonance modules is connected with the digital control circuit plate through said switching diode array circuit, high-voltage drive respectively successively; Signal is from the impedance matching box end input of a said resonance modules, from the impedance matching box end output of another said resonance modules.
3. bounce frequency filter according to claim 1 is characterized in that, between said switching diode array circuit and the said high-voltage drive also coupling be connected with and be used for tuning choke.
4. bounce frequency filter according to claim 1 is characterized in that, said heat conduction shell is the metal heat-conducting housing, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction shell cavity; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting housing inboard or with heat-conducting plate that the metal heat-conducting housing links to each other on.
5. bounce frequency filter according to claim 1 is characterized in that, said heat conduction shell is the metal heat-conducting rack, and said analog circuit unit and digital control circuit plate are separately positioned in the different metallic heat conduction rack; Switching diode in the said switching diode array circuit be close to or be welded on said metal heat-conducting rack inboard or with heat-conducting plate that the metal heat-conducting rack links to each other on.
6. according to each described bounce frequency filter of claim 1 to 3, it is characterized in that said bounce frequency filter is different according to the frequency of processing signals, adopts helical resonator or cavity resonator respectively.
7. bounce frequency filter according to claim 6 is characterized in that, said bounce frequency filter adopts helical resonator when handling low-frequency signals; When handling high-frequency signal, adopt cavity resonator.
8. according to each described bounce frequency filter of claim 1 to 3, it is characterized in that the switching diode in the said switching diode array circuit adopts withstand voltage height, the little switching diode of internal resistance; The CMOS triode that said high-voltage drive adopts withstand voltage anti-stream parameter and frequency hopping speed parameter to be complementary according to the filtering demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910040262XA CN101645700B (en) | 2009-06-16 | 2009-06-16 | Bounce frequency filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910040262XA CN101645700B (en) | 2009-06-16 | 2009-06-16 | Bounce frequency filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101645700A CN101645700A (en) | 2010-02-10 |
| CN101645700B true CN101645700B (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910040262XA Expired - Fee Related CN101645700B (en) | 2009-06-16 | 2009-06-16 | Bounce frequency filter |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826886B (en) * | 2010-02-26 | 2012-09-05 | 广州市圣大电子有限公司 | Transceiving device with functions of power amplification and frequency hopping |
| CN101826851A (en) * | 2010-04-02 | 2010-09-08 | 广州市圣大电子有限公司 | Frequency-hopping filter with multi-band selection function |
| CN104467724B (en) * | 2014-12-29 | 2017-11-14 | 广东宽普科技股份有限公司 | The bounce frequency filter of improved structure |
| CN105322917A (en) * | 2015-11-20 | 2016-02-10 | 南京熊猫汉达科技有限公司 | A 30MHz-512MHz wide frequency band frequency hopping filter |
| DE102017108638A1 (en) | 2017-04-24 | 2018-10-25 | Hirschmann Car Communication Gmbh | Remote tuner module with improved thermal properties |
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2009
- 2009-06-16 CN CN200910040262XA patent/CN101645700B/en not_active Expired - Fee Related
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Owner name: GUANGDONG SHENGDA ELECTRONIC CO., LTD. Free format text: FORMER OWNER: GUANGZHOU SHENGDA ELECTRONIC CO., LTD. Effective date: 20130726 |
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Effective date of registration: 20130726 Address after: 528308 Guangdong Province, Foshan city Shunde District Lunjiao Lunjiao Street Office of the new industrial zone of Xi four northbound Santa Industrial Park Administration building five floor Patentee after: Guangdong Shengda Electronic Co., Ltd. Address before: Shijing Town, Baiyun District of Guangzhou City, Guangdong province 510430 Qingfeng third industrial zone 7 Patentee before: Guangzhou Shengda Electronic Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20180616 |