CN203242732U - Broadband power combiner - Google Patents
Broadband power combiner Download PDFInfo
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- CN203242732U CN203242732U CN 201320265522 CN201320265522U CN203242732U CN 203242732 U CN203242732 U CN 203242732U CN 201320265522 CN201320265522 CN 201320265522 CN 201320265522 U CN201320265522 U CN 201320265522U CN 203242732 U CN203242732 U CN 203242732U
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Abstract
The utility model relates to a wideband power combiner. The wideband power combiner includes N input-end transmission line transformers, an intermediate link transmission line transformer, an output-end impedance converter and a printed circuit board provided with 3N+2 microstrip transmission lines, wherein 2N microstrip transmission lines are connected with 2N input ends of the input-end transmission line transformers, another N microstrip transmission lines are connected with output ends of the input-end transmission line transformers and input ends of the intermediate link transmission line transformer, another one microstrip transmission line is connected with the intermediate link transmission line transformer and the output-end impedance converter, the rest one microstrip transmission line is connected with the output end of the output-end impedance converter, the length of the microstrip transmission lines are matched with the wavelength of radio frequency signals transmitted by the microstrip transmission lines, and 1<=N<=3. By means of the above manner, the wideband power combiner of the utility model has excellent high-frequency indicators, and input impedance can be matched with output impedance. The wideband power combiner of the utility model has the advantages of simple structure, convenient use, low production cost and the like.
Description
Technical field
The utility model relates to power synthetic technique, particularly relates to a kind of being widely used as can be applicable to the broadband power synthesizer in the fields such as photovoltaic industry, radar communication and semiconductor.
Background technology
The design that existing broadband power synthesizer (such as the broadband power synthesizer of four tunnel inputs) adopts line transformer and impedance transformer directly to combine usually.
The inventor finds that mainly there is following several problem in existing broadband power synthesizer in realizing the utility model process:
1, because the frequency range frequency multiplication that exists in traditional fabrication method restriction and other many-sided factor affecting, causing the power combiner of operating frequency range in the 30-100MHz broadband range usually need to be divided into two frequency ranges makes, thereby the operating frequency of the power combiner of single frequency range is narrower, is difficult to satisfy the job requirement of Whole frequency band; And the production method of two frequency ranges can make no matter existing broadband power synthesizer is aspect debugging, or in user's use, all has inconvenience.
2, existing broadband power synthesizer in actual applications, the technical indicator of its high frequency is relatively poor, and has input impedance and the unmatched phenomenon of output impedance.
3, in order to improve the performance index of existing broadband power synthesizer, the components and parts that manufacturer can adopt the raw material of import to make usually, like this process-cycle of product usually longer, the production cost of product is higher.
Because the problem that existing broadband power synthesizer exists, the inventor is based on being engaged in for many years abundant practical experience and professional knowledge of this type of product design manufacturing, and the utilization of cooperation scientific principle, positive research and innovation in addition, in the hope of founding a kind of broadband power synthesizer of new structure, the technical problem that can avoid existing broadband power synthesizer to exist makes it have more practicality.Through continuous research and design, and through repeatedly studying sample and improvement, finally create the utility model that has practical value.
The utility model content
Main purpose of the present utility model is, overcome the technical problem that existing broadband power synthesizer exists, and provide a kind of broadband power synthesizer of new structure, problem to be solved comprises, make the broadband power synthesizer have preferably high frequency index, and the input impedance of broadband power synthesizer and output impedance are complementary, simultaneously, make the broadband power synthesizer have simple in structure, the convenient use and and the characteristics such as production cost is low.
The purpose of this utility model and solve its technical problem and can adopt following technical scheme to realize.
A kind of broadband power synthesizer according to the utility model proposes comprises: N input line transformer, intermediate link line transformer, output impedance transformer and the printed circuit board that is provided with 3N+2 bar microstrip transmission line; Wherein, 2N bar in the 3N+2 bar microstrip transmission line is connected with 2N input of N input line transformer respectively, in addition N bar microstrip transmission line connects N output of N input line transformer and N input of intermediate link line transformer, 1 microstrip transmission line connects the output of intermediate link line transformer and the input of output impedance transformer in addition, and remaining 1 microstrip transmission line is connected with the output of output impedance transformer; Wherein, the wavelength of the radiofrequency signal of the length of described microstrip transmission line and its transmission is complementary; Wherein, described N is integer, and 1≤N≤3.
Better, aforesaid broadband power synthesizer wherein with between two microstrip transmission lines that two inputs of input line transformer are connected is provided with balance resistance.
Better, aforesaid broadband power synthesizer is provided with balance resistance between two adjacent microstrip transmission lines that wherein are connected with the input of intermediate link line transformer.
Better, aforesaid broadband power synthesizer, the microstrip transmission line that wherein is connected with output with the input of intermediate link line transformer and the microstrip transmission line that is connected with the output of output impedance transformer are connected with respectively matching capacitance.
By technique scheme, broadband power synthesizer of the present utility model has following advantages and beneficial effect at least:
1, by adopting homophase line transformer synthetic technology, makes broadband frequently impedance stabilization, the efficiency of transmission height of power combiner, and can make its operating frequency well cover the 30-100MHz frequency range.
2, the design by adopting line transformer, impedance transformer and microstrip transmission line to combine makes microstrip transmission line compensate correction to the high frequency index of broadband power synthesizer, thereby makes the broadband power synthesizer have preferably high frequency index.
3, carry out the combination design by magnetic core and microstrip transmission line to line transformer and impedance transformer, the sending-end impedance of broadband power synthesizer and output impedance are well mated.
4, broadband power synthesizer of the present utility model can use the domestic components and parts that the raw material of non-importation are made fully, thereby has effectively shortened the production cycle of broadband power synthesizer, and has reduced the manufacturing cost of broadband power synthesizer.
In sum, the utility model has significant progress technically, and has significantly positive technique effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, content according to specification is implemented, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation Figure of description, be described in detail as follows.
Description of drawings
Fig. 1 is the principle schematic of the broadband power synthesizer of four tunnel inputs of the present utility model;
Fig. 2 is the block diagram of the broadband power synthesizer of four tunnel inputs of the present utility model;
Fig. 3 is the block diagram of the broadband power synthesizer of two-way input of the present utility model;
Fig. 4 is the block diagram of the broadband power synthesizer of six tunnel inputs of the present utility model.
Embodiment
Be to reach technological means and the effect that predetermined utility model purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature, flow process and effect thereof to according to the broadband power synthesizer that the utility model proposes are described in detail as follows.
(namely four road input radio frequency signals are being carried out in the synthetic situation of power) in the situation of N=2, the structure of broadband power synthesizer of the present utility model as depicted in figs. 1 and 2.
In Fig. 1 and Fig. 2, broadband power synthesizer of the present utility model mainly comprises: two input line transformer 1(are T1 and the T2 among Fig. 1), intermediate link line transformer 2(is the T3 among Fig. 1), output impedance transformer 3(is the T4 among Fig. 1) an and printed circuit board (all not shown among Fig. 1 and Fig. 2), and be provided with eight microstrip transmission lines (3 * 2+2) in this printed circuit board.
Wherein, two input line transformer 1(are that two outputs that T1 is connected with T2 are T3 with intermediate link line transformer 2(respectively) two inputs be connected, and the output of intermediate link line transformer 2 is T4 with output impedance transformer 3() input be connected; Between above-mentioned input line transformer 1 and the impedance transformer 2 and be to be connected by the microstrip transmission line that arranges in the printed circuit board between intermediate link line transformer 2 and the output impedance transformer 3.
Specifically, first input line transformer 1(is T1) an input be connected with article one microstrip transmission line, its another input is connected with the second microstrip transmission line, and its output is connected with an end of the 3rd microstrip transmission line; Second input line transformer 1(is T2) an input be connected with the 4th microstrip transmission line, its another input is connected with the 5th microstrip transmission line, and its output is connected with an end of the 6th microstrip transmission line; Intermediate link line transformer 2(is T3) an input be connected with the other end of above-mentioned the 3rd microstrip transmission line, its another input is connected with the other end of above-mentioned the 6th microstrip transmission line, and its output is connected with an end of the 7th microstrip transmission line; Output impedance transformer 3(is T4) input be connected with the other end of above-mentioned the 7th microstrip transmission line, and its output is connected with an end of the 8th microstrip transmission line.Above-mentioned first, second, the 4th and the 5th microstrip transmission line connect the radiofrequency signals of four tunnel inputs, the road radiofrequency signal that above-mentioned the 8th microstrip transmission line power output is synthetic.
As shown in Figure 1, be T1 with first input line transformer 1() two microstrip transmission lines being connected of two inputs between be provided with balance resistance R1; Be T2 with second input line transformer 1() two microstrip transmission lines being connected of two inputs between be provided with balance resistance R2; 2(is T3 with the intermediate link line transformer) two microstrip transmission lines being connected of input between be provided with balance resistance R3; In addition, be T3 with intermediate link line transformer 2() the microstrip transmission line that is connected with output of input and be T4 with output impedance transformer 3() the microstrip transmission line that is connected of output be respectively arranged with matching capacitance C1, C2, C3 and C4.
In the utility model, the length of each bar microstrip transmission line all should be complementary with the wavelength of the radiofrequency signal of its transmission, the length that is each bar microstrip transmission line should be corresponding with the wavelength of the radiofrequency signal of its transmission, compensates correction with the Frequency Index to the radiofrequency signal of its transmission.In addition, should be according to actual application environment, magnetic core for input line transformer 1, intermediate link line transformer 2 and output impedance transformer 3 designs accordingly, with the combination that utilizes magnetic core and microstrip transmission line the input impedance of broadband power synthesizer and output impedance is complementary.
(namely two-way input radio frequency signal is being carried out in the synthetic situation of power) in the situation of N=1, the structure of broadband power synthesizer of the present utility model as shown in Figure 3; (namely six road input radio frequency signals are being carried out in the synthetic situation of power) in the situation of N=3, the structure of broadband power synthesizer of the present utility model as shown in Figure 4; No longer Fig. 3 and Fig. 4 are elaborated at this.
Of particular note, can flexible combination use between the broadband power synthesizer that the utility model provides, for example, need to carry out eight road input radio frequency signals in the synthetic situation of power, can realize based on the combination of as depicted in figs. 1 and 2 two broadband power synthesizers.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit technology of the present utility model, any those skilled in the art are not within breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. a broadband power synthesizer is characterized in that, comprising: N input line transformer, intermediate link line transformer, output impedance transformer and the printed circuit board that is provided with 3N+2 bar microstrip transmission line;
Wherein, 2N bar in the described 3N+2 bar microstrip transmission line is connected with 2N input of N input line transformer respectively, in addition N bar microstrip transmission line connects N output of N input line transformer and N input of intermediate link line transformer, 1 microstrip transmission line connects the output of intermediate link line transformer and the input of output impedance transformer in addition, and remaining 1 microstrip transmission line is connected with the output of output impedance transformer;
Wherein, the wavelength of the radiofrequency signal of the length of described microstrip transmission line and its transmission is complementary;
Wherein, described N is integer, and 1≤N≤3.
2. broadband power synthesizer as claimed in claim 1 is characterized in that, and is provided with balance resistance between two microstrip transmission lines that two inputs of input line transformer are connected.
3. broadband power synthesizer as claimed in claim 1 is characterized in that, is provided with balance resistance between two adjacent microstrip transmission lines that are connected with the input of intermediate link line transformer.
4. broadband power synthesizer as claimed in claim 3, it is characterized in that the microstrip transmission line that is connected with output with the input of intermediate link line transformer and the microstrip transmission line that is connected with the output of output impedance transformer are connected with respectively matching capacitance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265522 CN203242732U (en) | 2013-05-15 | 2013-05-15 | Broadband power combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320265522 CN203242732U (en) | 2013-05-15 | 2013-05-15 | Broadband power combiner |
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| CN203242732U true CN203242732U (en) | 2013-10-16 |
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| CN 201320265522 Expired - Lifetime CN203242732U (en) | 2013-05-15 | 2013-05-15 | Broadband power combiner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647130A (en) * | 2013-12-27 | 2014-03-19 | 成都芯通科技股份有限公司 | Six-path radio frequency high-power combiner |
| CN103682544A (en) * | 2013-11-22 | 2014-03-26 | 西安天和防务技术股份有限公司 | Radar microwave power combiner with fault self-adaption function |
| CN113098412A (en) * | 2021-03-30 | 2021-07-09 | 电子科技大学 | High-power all-solid-state radio frequency power supply synthesis circuit |
| CN113381155A (en) * | 2021-06-23 | 2021-09-10 | 中国电子科技集团公司第九研究所 | Wide-temperature broadband low-resistance conversion surface-mounted power synthesizer |
-
2013
- 2013-05-15 CN CN 201320265522 patent/CN203242732U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682544A (en) * | 2013-11-22 | 2014-03-26 | 西安天和防务技术股份有限公司 | Radar microwave power combiner with fault self-adaption function |
| CN103647130A (en) * | 2013-12-27 | 2014-03-19 | 成都芯通科技股份有限公司 | Six-path radio frequency high-power combiner |
| CN113098412A (en) * | 2021-03-30 | 2021-07-09 | 电子科技大学 | High-power all-solid-state radio frequency power supply synthesis circuit |
| CN113098412B (en) * | 2021-03-30 | 2022-09-06 | 电子科技大学 | A high-power all-solid-state radio frequency power synthesis circuit |
| CN113381155A (en) * | 2021-06-23 | 2021-09-10 | 中国电子科技集团公司第九研究所 | Wide-temperature broadband low-resistance conversion surface-mounted power synthesizer |
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Granted publication date: 20131016 |