CN105554624A - Broadband impedance converter - Google Patents
Broadband impedance converter Download PDFInfo
- Publication number
- CN105554624A CN105554624A CN201510904034.8A CN201510904034A CN105554624A CN 105554624 A CN105554624 A CN 105554624A CN 201510904034 A CN201510904034 A CN 201510904034A CN 105554624 A CN105554624 A CN 105554624A
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- Prior art keywords
- high resistant
- low
- resistance
- end layer
- resistance end
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- 238000002955 isolation Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 241000736192 Ostrya virginiana Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005400 testing for adjacent nuclei with gyration operator Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention relates to an electronic component, and particularly relates to a broadband impedance converter. The converter body comprises 3-5 high-resistance end layers and low-resistance end layers, and the high-resistance end layers and the low-resistance end layers are alternately arranged in sequence. Insulated isolation layers are arranged between the high-resistance end layers and the low-resistance end layers. Each high-resistance end layer includes more than three high-resistance ends sequentially connected in series, and each low-resistance end layer includes the same number of sequentially series-connected low-resistance ends as the high-resistance ends included in each high-resistance end layer. The tail high-resistance end of each high-resistance end layer is electrically connected with the head high-resistance end of the next high-resistance end layer. The head low-resistance ends of the low-resistance end layers are electrically connected in sequence, and the tail low-resistance ends of the low-resistance end layers are electrically connected in sequence. Distributed capacitance processing in hierarchical segmented processing causes transmission loss to the high-frequency bypass, distributed capacitance is greatly reduced, and the influence of distributed capacitance is overcome. The bandwidth of an electronic tube converter can be the same as a transistor, and the technical field of 10HZ-80KHZ-0.1DB is achieved.
Description
Technical field
The present invention relates to a kind of electronic devices and components, be specifically related to a kind of wideband impedance transformer.
Background technology
Electron tube is the high resistant amplifying device of a high voltage small area analysis, the necessary impedance transformation when power output promotes low-impedance earphone and loud speaker, such as one powerful wing impedance is 6000 ohm, the loudspeaker promoting 8 ohm must be converted into 8 ohm of ability 6000 ohm and loud speaker well docks power delivery, impedance transformer in the past can not reach the Hz-KHz (audio request 20HZ-20KHZ) of audio frequency, the hophornbeam orchid (TAMRADIO) and the sky dog (TANGO) that are known as the widest Japan of world's frequency response at present also can only accomplish 20HZ-20KHZ-1.5DB, comprise the U.S., Switzerland, France, Germany, the country of Britain etc. be all decay in audiorange very large, all there is certain technical limitation.
Summary of the invention
For overcoming above-mentioned defect, namely object of the present invention is to provide a kind of wideband impedance transformer.
The object of the invention is to be achieved through the following technical solutions:
A kind of wideband impedance transformer of the present invention, include converter body, described converter body includes the high resistant end layer that quantity is 3-5 layer and the low-resistance end layer arranged with high resistant end layer successively stratiform, is also provided with dielectric isolation layer between described high resistant end layer and low-resistance end layer;
Each high resistant end layer comprises more than 3 high resistant ends of connecting successively, each low-resistance end layer comprise connect successively and the low-resistance end identical with the high resistant terminal number amount that each high resistant end layer comprises; The first high resistant end that last high resistant end and next floor height of described high resistant end layer hinder end layer is electrically connected; The first low-resistance end of each low-resistance end layer is electrically connected successively, and the last low-resistance end of each low-resistance end layer is electrically connected successively.
Further, the superiors of layered setting are high resistant end layer.
Further, described high resistant end is corresponding with low-resistance end upper-lower position.
Further, described converter body also includes iron core, and described high resistant end layer and low-resistance end layer are all wrapped on iron core and form stratiform setting.
Further, the quantity of described high resistant end layer is 4 layers, and each high resistant end layer comprises 6 high resistant ends of connecting successively.
Further, the quantity of described high resistant end layer is 3 layers, and each high resistant end layer comprises 3 high resistant ends of connecting successively.
Further, the quantity of described high resistant end layer is 5 layers, and each high resistant end layer comprises 8 high resistant ends of connecting successively.
A kind of wideband impedance transformer provided by the invention, when the low resistance portions of converter adopts layer and section process higher than when 8 ohm, layer and section process can reduce distributed capacitance, namely the existence of distributed capacitance causes conveyance loss HFS bypass, significantly reduce distributed capacitance, overcome the impact of distributed capacitance, then the bottleneck of transformer impedance conversion is overcome, what make the frequency range of electron tube converter can accomplish with transistor is so wide, even can reach the technique effect of 10HZ-80KHZ-0.1DB, to have output impedance low for this converter simultaneously, control ability is strong, high pitch lubricates, middle pitch is full, bass can not be messy etc. feature.It can also be applied to other field, as radar and need impedance transformation Anywhere.
Accompanying drawing explanation
For ease of illustrating, the present invention is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the structural representation of a kind of wideband impedance transformer of the present invention;
Fig. 2 is complete machine frequency sound test figure in the work of a kind of wideband impedance transformer of the present invention;
Fig. 3 is another resolution chart of complete machine frequency response in the work of a kind of wideband impedance transformer of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1-3, a kind of wideband impedance transformer of the present invention, include converter body, this converter body includes the high resistant end layer a that quantity is 3-5 layer and the low-resistance end layer b arranged with high resistant end layer a successively stratiform, is also provided with dielectric isolation layer c between this high resistant end layer a and low-resistance end layer b; As preferably, this high resistant end is corresponding with low-resistance end upper-lower position, and the superiors that stratiform is arranged are high resistant end layer a.
Each high resistant end layer a comprises more than 3 high resistant ends of connecting successively, each low-resistance end layer b comprise connect successively and the low-resistance end identical with the high resistant terminal number amount that each high resistant end layer a comprises; The first high resistant end that last high resistant end and next floor height of this high resistant end layer a hinder end layer a is electrically connected; The first low-resistance end of each low-resistance end layer b is electrically connected successively, and the last low-resistance end of each low-resistance end layer b is electrically connected successively, namely connects successively.
With specific embodiment, this wideband impedance transformer is described in detail below:
Specifically see Fig. 1, this wideband impedance transformer is 4 layers 6 sections distributions, and be namely that the quantity of high resistant end layer a is 4 layers, each high resistant end layer a comprises 6 high resistant ends of connecting successively, this distribution can obtain preferably distributed effect, can better distributed capacitance be reduced; As preferably, this wideband impedance transformer can be 3 layers 3 sections distributions or 5 layers 8 sections distributions, and these two kinds distributions also can reduce distributed capacitance preferably.Its high resistant end layer a and low-resistance end layer b is all wrapped on iron core 15, high resistant end 1,5,9,13 headed by the first high resistant end difference of high resistant end layer a, the last high resistant end of high resistant end layer a is respectively last high resistant end 2,6,10,14, last high resistant end 2 is wherein connected with first high resistant end 5, end high resistant end 6 is connected with first high resistant end 9, and last high resistant end 10 is connected with first high resistant end 13; Low-resistance end 3,7,11 headed by the first low-resistance end difference of low-resistance end layer b, the last low-resistance end of low-resistance end layer b is respectively last low-resistance end 4,8,12, first low-resistance end 3,7,11 is wherein electrically connected successively, and last low-resistance end 4,8,12 is electrically connected successively, is namely that 3 low-resistance end layer b are in parallel; Between undermost high resistant end layer a and iron core 15, low-resistance end layer b can be set, also can not arrange, if Fig. 1 is situation about not arranging.
See Fig. 2, be the resolution chart of this wideband impedance transformer, lattice are 0.5DB, can reach 20-20KHZ-0.1DB, and one section of middle straight is 20HZ-20KHZ; See Fig. 3, be another resolution chart of this wideband impedance transformer, be namely that WEILY impedance transformer band carries resolution chart, each lattice is 0.5DB, and whole section is 20-80KHZ, its decay just about-0.1-0.2 near 80KHZ.
A kind of wideband impedance transformer provided by the invention, when the low resistance portions of converter is lower than 8 ohm, does not use segment processing; When the low resistance portions of converter adopts layer and section process higher than when 8 ohm, the existence of the distributed capacitance of layer and section process causes conveyance loss HFS bypass, significantly reduce distributed capacitance, overcome the impact of distributed capacitance, then the bottleneck of transformer impedance conversion is overcome, what make the frequency range of electron tube converter can accomplish with transistor is so wide, even can reach the technique effect of 10HZ-80KHZ-0.1DB, this converter has that output impedance is low, control ability is strong, high pitch lubrication, middle pitch are full simultaneously, bass can not be messy etc. feature.It can also be applied to other field, as radar and need impedance transformation Anywhere.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a wideband impedance transformer, include converter body, it is characterized in that, described converter body includes the high resistant end layer that quantity is 3-5 layer and the low-resistance end layer arranged with high resistant end layer successively stratiform, is also provided with dielectric isolation layer between described high resistant end layer and low-resistance end layer;
Each high resistant end layer comprises more than 3 high resistant ends of connecting successively, each low-resistance end layer comprise connect successively and the low-resistance end identical with the high resistant terminal number amount that each high resistant end layer comprises; The first high resistant end that last high resistant end and next floor height of described high resistant end layer hinder end layer is electrically connected; The first low-resistance end of each low-resistance end layer is electrically connected successively, and the last low-resistance end of each low-resistance end layer is electrically connected successively.
2. a kind of wideband impedance transformer according to claim 1, is characterized in that, the superiors of layered setting are high resistant end layer.
3. a kind of wideband impedance transformer according to claim 1 and 2, is characterized in that, described high resistant end is corresponding with low-resistance end upper-lower position.
4. a kind of wideband impedance transformer according to claim 3, is characterized in that, described converter body also includes iron core, and described high resistant end layer and low-resistance end layer are all wrapped on iron core and form stratiform setting.
5. a kind of wideband impedance transformer according to claim 4, is characterized in that, the quantity of described high resistant end layer is 4 layers, and each high resistant end layer comprises 6 high resistant ends of connecting successively.
6. a kind of wideband impedance transformer according to claim 4, is characterized in that, the quantity of described high resistant end layer is 3 layers, and each high resistant end layer comprises 3 high resistant ends of connecting successively.
7. a kind of wideband impedance transformer according to claim 4, is characterized in that, the quantity of described high resistant end layer is 5 layers, and each high resistant end layer comprises 8 high resistant ends of connecting successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904034.8A CN105554624B (en) | 2015-12-09 | 2015-12-09 | A kind of wideband impedance transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904034.8A CN105554624B (en) | 2015-12-09 | 2015-12-09 | A kind of wideband impedance transformer |
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| Publication Number | Publication Date |
|---|---|
| CN105554624A true CN105554624A (en) | 2016-05-04 |
| CN105554624B CN105554624B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510904034.8A Active CN105554624B (en) | 2015-12-09 | 2015-12-09 | A kind of wideband impedance transformer |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020438A (en) * | 1976-04-01 | 1977-04-26 | General Electric Company | Autotransformer with series and tertiary windings having same polarity impedance |
| CN101383224A (en) * | 2008-06-05 | 2009-03-11 | 苏州试验仪器总厂 | Audio self-coupling output transformer applied in electric vibration experiment |
| CN201219063Y (en) * | 2008-06-05 | 2009-04-08 | 苏州试验仪器总厂 | Audio self-coupling output transformer used for electric vibration experiment system |
| CN201829310U (en) * | 2010-08-16 | 2011-05-11 | 苏州安泰变压器有限公司 | Test transformer |
| CN102598330A (en) * | 2009-09-01 | 2012-07-18 | 精量电子股份有限公司 | Multilayer acoustic impedance converter for ultrasonic transducers |
-
2015
- 2015-12-09 CN CN201510904034.8A patent/CN105554624B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020438A (en) * | 1976-04-01 | 1977-04-26 | General Electric Company | Autotransformer with series and tertiary windings having same polarity impedance |
| CN101383224A (en) * | 2008-06-05 | 2009-03-11 | 苏州试验仪器总厂 | Audio self-coupling output transformer applied in electric vibration experiment |
| CN201219063Y (en) * | 2008-06-05 | 2009-04-08 | 苏州试验仪器总厂 | Audio self-coupling output transformer used for electric vibration experiment system |
| CN102598330A (en) * | 2009-09-01 | 2012-07-18 | 精量电子股份有限公司 | Multilayer acoustic impedance converter for ultrasonic transducers |
| CN201829310U (en) * | 2010-08-16 | 2011-05-11 | 苏州安泰变压器有限公司 | Test transformer |
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| Publication number | Publication date |
|---|---|
| CN105554624B (en) | 2018-11-20 |
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