CN101826886B - Transceiving device with functions of power amplification and frequency hopping - Google Patents
Transceiving device with functions of power amplification and frequency hopping Download PDFInfo
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- CN101826886B CN101826886B CN2010101180022A CN201010118002A CN101826886B CN 101826886 B CN101826886 B CN 101826886B CN 2010101180022 A CN2010101180022 A CN 2010101180022A CN 201010118002 A CN201010118002 A CN 201010118002A CN 101826886 B CN101826886 B CN 101826886B
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Abstract
The invention discloses a transceiving device with the functions of power amplification and frequency hopping, which comprises a low-power frequency-hopping filter, a primary power amplifier module, a high-power frequency-hopping filter, a final power amplifier module, a harmonic filter, a directional coupler and a self-checking switch which are sequentially connected with an excitation signal input end, wherein one end of the self-checking switch is connected with a load, and the other end is connected with a transceiving antenna through a transceiving switch. The transceiving device with the functions of power amplification and frequency hopping adopts modular component structure and has the advantages of compact structure, fast frequency-hopping speed, good selectivity, high output power, good harmonic suppression and the like.
Description
Technical field
The present invention relates to electronic communication field, relate in particular to a kind of R-T unit with power amplifier and frequency hopping function.
Background technology
Existing bounce frequency filter product does not adopt modularized design, and volume is big, and the wave band of processing signals is single, and manufacturing cost is higher, and frequency hopping speed is slow, poor reliability.
Summary of the invention
The embodiment of the invention provides a kind of R-T unit with power amplifier and frequency hopping function, and the product integrated level is high, and frequency hopping speed is fast, stable performance.
The embodiment of the invention provides a kind of R-T unit with power amplifier and frequency hopping function; Comprise the small-power bounce frequency filter that is connected successively with the pumping signal input, elementary power amplifier module, high-power bounce frequency filter, final stage power amplifier module, harmonic filter, directed coupling device, self-test switch; Said self-test switch one end connects load, and the other end is connected with dual-mode antenna through transmit-receive switch.
Concrete; Its course of work is: pumping signal is input to said small-power bounce frequency filter and carries out filtering, amplifies through said elementary power amplifier module, then through said high-power bounce frequency filter filtering; Pumping signal after said final stage power amplifier module will be handled is amplified to 100W again; Through strange time of said harmonic filter filtering and even-order harmonic, be sent to said directed coupling device then and carry out input, after dual-mode antenna is sent in self-test switch and transmit-receive switch control.
Further, said small-power bounce frequency filter power is 1W, and the exciting signal frequency scope of processing is the 108-407MHZ frequency range.Said high-power bounce frequency filter power is 10W, and the signal frequency range of processing is the 108-407MHZ frequency range.
Further, said harmonic filter can be handled the radiofrequency signal of 100W, main filtering secondary, three inferior high order harmonic components.
When transmitting, said directed coupling device detects radiofrequency signal amplitude and power amplifier output standing wave; When the self check state, said directed coupling device cooperates self-test switch and load that self circuit is detected.
Adopt the R-T unit with power amplifier and frequency hopping function of the present invention, this product adopts modular assembly structure, advantage such as have compact conformation, frequency hopping speed is fast, selectivity good, power output is big, harmonic wave suppresses to get well.
Description of drawings
Fig. 1 is the circuit structure schematic block diagram of the R-T unit with power amplifier and frequency hopping function that provides of the embodiment of the invention.
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 provides a kind of R-T unit with power amplifier and frequency hopping function; Comprise the small-power bounce frequency filter that is connected successively with the pumping signal input, elementary power amplifier module, high-power bounce frequency filter, final stage power amplifier module, harmonic filter, directed coupling device, self-test switch; Said self-test switch one end connects 50 ohm, and the other end is connected with dual-mode antenna through transmit-receive switch.
Concrete; The method of its processing signals is: pumping signal is input to said small-power bounce frequency filter and carries out filtering; Amplify through said elementary power amplifier module, through said high-power bounce frequency filter filtering, the pumping signal after said final stage power amplifier module will be handled is amplified to 100W more then; Its gain amplifier 20dB, gain flatness ± 1.5dB.Signal after processing and amplifying is sent to said directed coupling device then and carries out input, after dual-mode antenna is sent in self-test switch and transmit-receive switch control through strange time of said harmonic filter filtering and even-order harmonic.R-T unit with power amplifier and frequency hopping function of the present invention, frequency hopping speed is fast, frequency hopping speed 30 microseconds, selectivity is good, its centre frequency ± 10% attenuation outside a channel 24dB, harmonic wave suppresses 70dBC.
When being in emission state, pumping signal is at first through 1W small-power bounce frequency filter filtering part broadband noise.Amplify 36dBm through said elementary power amplifier module then, discharger can be introduced broadband noise again simultaneously.Pumping signal gets into high-power bounce frequency filter, filtering broadband noise again.Owing to be to have adopted bounce frequency filter, thus can effectively filtering broadband noise in this working band, and can fast frequency-hopped switching frequency.Last pumping signal gets into final stage power amplifier then and is amplified to 100W.Through the harmonic filter filtering harmonic, deliver to the antenna emission again.
When being in accepting state, said R-T unit with power amplifier and frequency hopping function is delivered to other signaling modules with signal and is handled through transmit-receive switch or diverter switch, has omitted among the figure and has not drawn.
Said small-power bounce frequency filter power is 1W, and the exciting signal frequency scope of processing is the 108-407MHZ frequency range.Can handle the radiofrequency signal of 1W, it inserts loss and is superior to 6dB, centre frequency ± 10% attenuation outside a channel 24dB.
Said high-power bounce frequency filter power is 10W, and the signal frequency range of processing is the 108-407MHZ frequency range.Can handle the radiofrequency signal of 10W, it inserts loss and is superior to 3.8dB, centre frequency ± 10% attenuation outside a channel 20dB.
Said harmonic filter can be handled the radiofrequency signal of 100W, main filtering secondary, three inferior high order harmonic components.Said transmit-receive switch is a 100W wide band radio-frequency switch, is responsible for the switching of transceiver channel.
When transmitting, said directed coupling device detects radiofrequency signal amplitude and power amplifier output standing wave; When the self check state, said directed coupling device cooperates self-test switch and load that self circuit is detected.
R-T unit with power amplifier and frequency hopping function of the present invention adopts the modular assembly structure, advantage such as have compact conformation, frequency hopping speed is fast, selectivity good, power output is big, harmonic wave suppresses to get well.
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 (6)
1. R-T unit with power amplifier and frequency hopping function; It is characterized in that; Comprise the small-power bounce frequency filter that is connected successively with the pumping signal input, elementary power amplifier module, high-power bounce frequency filter, final stage power amplifier module, harmonic filter, directed coupling device, self-test switch; Said self-test switch one end connects load, and the other end is connected with dual-mode antenna through transmit-receive switch.
2. according to the said R-T unit of claim 1 with power amplifier and frequency hopping function; It is characterized in that; Pumping signal is input to said small-power bounce frequency filter and carries out filtering, amplifies through said elementary power amplifier module, then through said high-power bounce frequency filter filtering; Pumping signal after said final stage power amplifier module will be handled is amplified to 100W again; Through strange time of said harmonic filter filtering and even-order harmonic, be sent to said directed coupling device then and carry out input, be sent to dual-mode antenna through self-test switch and transmit-receive switch control.
3. according to claim 1 or 2 said R-T units with power amplifier and frequency hopping function, it is characterized in that said small-power bounce frequency filter power is 1W, the exciting signal frequency scope of processing is the 108-407MHZ frequency range.
4. according to claim 1 or 2 said R-T units with power amplifier and frequency hopping function, it is characterized in that said high-power bounce frequency filter power is 10W, the signal frequency range of processing is the 108-407MHZ frequency range.
5. according to claim 1 or 2 said R-T units, it is characterized in that said harmonic filter can be handled the radiofrequency signal of 100W, filtering secondary, three inferior high order harmonic components with power amplifier and frequency hopping function.
6. according to claim 1 or 2 said R-T units, it is characterized in that when transmitting, said directed coupling device detects radiofrequency signal amplitude and power amplifier output standing wave with power amplifier and frequency hopping function; When the self check state, said directed coupling device cooperates self-test switch and load that self circuit is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101180022A CN101826886B (en) | 2010-02-26 | 2010-02-26 | Transceiving device with functions of power amplification and frequency hopping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101180022A CN101826886B (en) | 2010-02-26 | 2010-02-26 | Transceiving device with functions of power amplification and frequency hopping |
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| Publication Number | Publication Date |
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| CN101826886A CN101826886A (en) | 2010-09-08 |
| CN101826886B true CN101826886B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101180022A Expired - Fee Related CN101826886B (en) | 2010-02-26 | 2010-02-26 | Transceiving device with functions of power amplification and frequency hopping |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024670B (en) * | 2015-07-17 | 2017-09-22 | 西安空间无线电技术研究所 | The fast digital filtering method of Multiple modulation mode multi-rate signal under frequency hopping background |
| CN109040862A (en) * | 2018-08-28 | 2018-12-18 | 广东宽普科技股份有限公司 | A kind of radiofrequency signal amplification vehicular communication unit |
| CN111683426B (en) * | 2020-06-24 | 2022-04-12 | 中国电子科技集团公司第四十一研究所 | Radio frequency excitation signal power modulation circuit, method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655528Y (en) * | 2003-08-20 | 2004-11-10 | 中国电子科技集团公司第十三研究所 | Numerically controlled frequency hopping filter |
| CN101645700A (en) * | 2009-06-16 | 2010-02-10 | 广州市圣大电子有限公司 | Bounce frequency filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7639728B2 (en) * | 2003-07-08 | 2009-12-29 | Qualcomm Incorporated | Methods for generating and transmitting frequency hopped signals |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655528Y (en) * | 2003-08-20 | 2004-11-10 | 中国电子科技集团公司第十三研究所 | Numerically controlled frequency hopping filter |
| CN101645700A (en) * | 2009-06-16 | 2010-02-10 | 广州市圣大电子有限公司 | Bounce frequency filter |
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| CN101826886A (en) | 2010-09-08 |
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Owner name: GUANGDONG SHENGDA ELECTRONIC CO., LTD. Free format text: FORMER OWNER: GUANGZHOU SHENGDA ELECTRONIC CO., LTD. Effective date: 20130801 |
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Free format text: CORRECT: ADDRESS; FROM: 510430 GUANGZHOU, GUANGDONG PROVINCE TO: 528308 FOSHAN, GUANGDONG PROVINCE |
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Effective date of registration: 20130801 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: 20120905 Termination date: 20200226 |