CN104660322A - WIFI signal enhancement device - Google Patents
WIFI signal enhancement device Download PDFInfo
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- CN104660322A CN104660322A CN201510052866.1A CN201510052866A CN104660322A CN 104660322 A CN104660322 A CN 104660322A CN 201510052866 A CN201510052866 A CN 201510052866A CN 104660322 A CN104660322 A CN 104660322A
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- Prior art keywords
- resistance
- resistor
- triode
- electric capacity
- capacitor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a WIFI signal enhancement device which comprises a WIFI signal input end, a WIFI signal output end, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a eleventh resistor, a twelfth resistor, a thirteenth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, a first triode, a second triode, a third triode, a transformer and a potentiometer, wherein a router signal is adjusted by the potentiometer and is subsequently added to the base electrode of the first triode; the fourth resistor is connected with the emitter electrode of the first triode to be used as a current negative feedback resistor stabilized direct current working point; the third capacitor is a decoupling capacitor for increasing alternative current gain of the first triode; after being subjected to three-stage amplification, the router signal is added to a primary coil of the transformer, and is amplified by the transformer so as to output high-intensity WIFI signals. Compared with the prior art, the WIFI signal enhancement device is capable of improving the WIFI signal intensity of a conventional computer wideband router, the WIFI signals can be effectively amplified through the three triodes, the influence that the WIFI signals are weakened by walls is alleviated, the WIFI signal intensity is intensified, a user can smoothly and rapidly use WIFI, and thus the WIFI signal enhancing device has popularization and application values.
Description
Technical field
The present invention relates to a kind of computer network join dependency equipment, particularly relate to a kind of WIFI signal intensifier.
Background technology
WIFI is present wireless electronic product terminal is all adopt WIFI to obtain network mostly, but the distance of WIFI is limited, also can be subject to the impact of house or metope and WIFI signal is weakened, even not connecting WIFI, therefore, a kind of equipment that can amplify WIFI signal is needed to be born.
Summary of the invention
Object of the present invention is just to provide a kind of WIFI signal intensifier to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose: ``
The present invention includes WIFI signal input, WIFI signal output, first resistance is to the 13 resistance, first electric capacity is to the tenth electric capacity, first triode is to the 3rd triode, transformer and potentiometer, the first end of described WIFI signal input is connected with the first end of described potentiometer, second end of described WIFI signal input simultaneously with the second end of described potentiometer, the first end of described first electric capacity, the first end of described first resistance, the first end of described 3rd resistance, the first end of described 3rd electric capacity, the first end of described 5th resistance, the first end of described 7th resistance, the first end of described 5th electric capacity, the first end of described 9th resistance, the first end of described 11 resistance, the first end of described 7th electric capacity, the first end of described transformer secondary output, the first end of described 9th electric capacity is connected with the first end of described WIFI signal output, the sliding end of described potentiometer is connected with the second end of described first electric capacity and the first end of described second electric capacity simultaneously, second end of described second electric capacity is connected with the base stage of described first triode and the first end of described 12 resistance simultaneously, second end of described first resistance is connected with the first end of described second resistance, second end of described second resistance simultaneously with the first end of described 4th resistance, the first end of described 6th resistance, the first end of described 8th resistance, the first end of described tenth resistance, the first end of described 13 resistance is connected with the first end of described primary, the emitter of described first triode is connected with the second end of described 3rd resistance and the second end of described 3rd electric capacity simultaneously, the collector electrode of described first triode is connected with the first end of described 4th electric capacity and the second end of described 4th resistance simultaneously, second end of described 4th electric capacity simultaneously with the second end of described 6th resistance, second end of described 5th resistance is connected with the base stage of described second triode, the emitter of described second triode is connected with the second end of described 7th resistance and the second end of described 5th electric capacity simultaneously, the collector electrode of described second triode is connected with the second end of described 8th resistance and the first end of described 6th electric capacity simultaneously, second end of described 6th electric capacity simultaneously with the second end of described 9th resistance, second end of described tenth resistance is connected with the base stage of described 3rd triode, the emitter of described 3rd triode is connected with the second end of described 11 resistance and the second end of described 7th electric capacity simultaneously, the collector electrode of described 3rd triode is connected with the second end of described primary and the first end of described 8th electric capacity simultaneously, second end of described 8th electric capacity is connected with the second end of described 12 resistance, second end of described 13 resistance is connected cathode power supply with the first end of described tenth electric capacity, second end of described transformer secondary output is connected with the second end of described 9th electric capacity and the second end of described WIFI signal output simultaneously.
Beneficial effect of the present invention is:
The present invention is a kind of WIFI signal intensifier, compared with prior art, the present invention can improve the WIFI signal intensity of active computer broadband router, effectively WIFI signal is amplified by three triodes, alleviate body of wall and impact is weakened on WIFI signal, improve WIFI signal, enable user fast smooth and easy when use WIFI, there is the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes WIFI signal input IN, WIFI signal output OUT, first resistance R1 is to the 13 resistance R13, first electric capacity C1 is to the tenth electric capacity C10, first triode VT1 is to the 3rd triode VT3, transformer T and potentiometer RP, the first end of WIFI signal input IN is connected with the first end of potentiometer RP, second end of WIFI signal input IN simultaneously with second end of potentiometer RP, the first end of the first electric capacity C1, the first end of the first resistance R1, the first end of the 3rd resistance R3, the first end of the 3rd electric capacity C3, the first end of the 5th resistance R5, the first end of the 7th resistance R7, the first end of the 5th electric capacity C5, the first end of the 9th resistance R9, the first end of the 11 resistance R11, the first end of the 7th electric capacity C7, the first end of transformer T level, the first end of the 9th electric capacity C9 is connected with the first end of WIFI signal output OUT, the sliding end of potentiometer RP is connected with second end of the first electric capacity C1 and the first end of the second electric capacity C2 simultaneously, second end of the second electric capacity C2 is connected with the base stage of the first triode VT1 and the first end of the 12 resistance R12 simultaneously, second end of the first resistance R1 is connected with the first end of the second resistance R2, second end of the second resistance R2 simultaneously with the first end of the 4th resistance R4, the first end of the 6th resistance R6, the first end of the 8th resistance R8, the first end of the tenth resistance R10, the first end that the first end of the 13 resistance R13 is elementary with transformer T is connected, the emitter of the first triode VT1 is connected with second end of the 3rd resistance R3 and second end of the 3rd electric capacity C3 simultaneously, the collector electrode of the first triode VT1 is connected with the first end of the 4th electric capacity C4 and second end of the 4th resistance R4 simultaneously, second end of the 4th electric capacity C4 simultaneously with second end of the 6th resistance R6, second end of the 5th resistance R5 is connected with the base stage of the second triode VT2, the emitter of the second triode VT2 is connected with second end of the 7th resistance R7 and second end of the 5th electric capacity C5 simultaneously, the collector electrode of the second triode VT2 is connected with second end of the 8th resistance R8 and the first end of the 6th electric capacity C6 simultaneously, second end of the 6th electric capacity C6 simultaneously with second end of the 9th resistance R9, second end of the tenth resistance R10 is connected with the base stage of the 3rd triode VT3, the emitter of the 3rd triode VT3 is connected with second end of the 11 resistance R11 and second end of the 7th electric capacity C7 simultaneously, the first end of the collector electrode of the 3rd triode VT3 second end elementary with transformer T and the 8th electric capacity C8 is simultaneously connected, second end of the 8th electric capacity C8 is connected with second end of the 12 resistance R12, second end of the 13 resistance R13 is connected cathode power supply with the first end of the tenth electric capacity C10, second end of transformer T level is connected with second end of the 9th electric capacity C9 and second end of WIFI signal output OUT simultaneously.
Operation principle of the present invention is as follows:
Router signal is added to the base stage of the first triode VT1 after potentiometer RP adjusts, 4th resistance R4 is connected on the emitter of the first triode VT1 as Current Negative Three-Point Capacitance resistor stable DC working point, 3rd electric capacity C3 is that decoupling capacitor makes the first triode VT1 ac gain improve, router signal is added on the primary coil of transformer T after amplifying through three grades, the WIFI signal of high strength is exported after being amplified by transformer T, the collector electrode of the 3rd triode VT3 exports and feeds back to the base stage of the first triode VT1 in order to improve the frequency characteristic of amplifier through the 7th resistance R7 and the 8th electric capacity C8.The output of this amplifier adopts the mode of transformation to compensate high-frequency signal.
Component parameter of the present invention is selected as follows:
First resistance R1 is 100 Ω, second resistance R2 is 400 Ω, 3rd resistance R3 is 500 Ω, 4th resistance R4 is 2k Ω, 5th resistance R5 is 27k Ω, 6th resistance R6 is 200 Ω to the 8th resistance R8, 9th resistance R9 is 479 Ω, tenth resistance R10 is 5.5k Ω, 11 resistance R11 is 10k Ω to the 13 resistance R13, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf, 4th electric capacity C4 is 1000uf, 5th electric capacity C5 is 10uf, 6th electric capacity C6 is 120uf, 7th electric capacity C7 is 720uf, 8th electric capacity C8 is 47uf to the tenth electric capacity C10, first triode VT1 is PNP type triode to the 3rd triode VT3, transformer T is 3V, potentiometer RP is 5.5k Ω.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (1)
1. a WIFI signal intensifier, it is characterized in that: comprise WIFI signal input, WIFI signal output, first resistance is to the 13 resistance, first electric capacity is to the tenth electric capacity, first triode is to the 3rd triode, transformer and potentiometer, the first end of described WIFI signal input is connected with the first end of described potentiometer, second end of described WIFI signal input simultaneously with the second end of described potentiometer, the first end of described first electric capacity, the first end of described first resistance, the first end of described 3rd resistance, the first end of described 3rd electric capacity, the first end of described 5th resistance, the first end of described 7th resistance, the first end of described 5th electric capacity, the first end of described 9th resistance, the first end of described 11 resistance, the first end of described 7th electric capacity, the first end of described transformer secondary output, the first end of described 9th electric capacity is connected with the first end of described WIFI signal output, the sliding end of described potentiometer is connected with the second end of described first electric capacity and the first end of described second electric capacity simultaneously, second end of described second electric capacity is connected with the base stage of described first triode and the first end of described 12 resistance simultaneously, second end of described first resistance is connected with the first end of described second resistance, second end of described second resistance simultaneously with the first end of described 4th resistance, the first end of described 6th resistance, the first end of described 8th resistance, the first end of described tenth resistance, the first end of described 13 resistance is connected with the first end of described primary, the emitter of described first triode is connected with the second end of described 3rd resistance and the second end of described 3rd electric capacity simultaneously, the collector electrode of described first triode is connected with the first end of described 4th electric capacity and the second end of described 4th resistance simultaneously, second end of described 4th electric capacity simultaneously with the second end of described 6th resistance, second end of described 5th resistance is connected with the base stage of described second triode, the emitter of described second triode is connected with the second end of described 7th resistance and the second end of described 5th electric capacity simultaneously, the collector electrode of described second triode is connected with the second end of described 8th resistance and the first end of described 6th electric capacity simultaneously, second end of described 6th electric capacity simultaneously with the second end of described 9th resistance, second end of described tenth resistance is connected with the base stage of described 3rd triode, the emitter of described 3rd triode is connected with the second end of described 11 resistance and the second end of described 7th electric capacity simultaneously, the collector electrode of described 3rd triode is connected with the second end of described primary and the first end of described 8th electric capacity simultaneously, second end of described 8th electric capacity is connected with the second end of described 12 resistance, second end of described 13 resistance is connected cathode power supply with the first end of described tenth electric capacity, second end of described transformer secondary output is connected with the second end of described 9th electric capacity and the second end of described WIFI signal output simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052866.1A CN104660322A (en) | 2015-02-02 | 2015-02-02 | WIFI signal enhancement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052866.1A CN104660322A (en) | 2015-02-02 | 2015-02-02 | WIFI signal enhancement device |
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| Publication Number | Publication Date |
|---|---|
| CN104660322A true CN104660322A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510052866.1A Pending CN104660322A (en) | 2015-02-02 | 2015-02-02 | WIFI signal enhancement device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162426A (en) * | 2015-06-05 | 2015-12-16 | 苏州经贸职业技术学院 | Power amplifier circuit with stable performance |
| CN106452382A (en) * | 2016-10-17 | 2017-02-22 | 中州大学 | Computer network signal amplifier |
| CN107968872A (en) * | 2018-01-18 | 2018-04-27 | 杨霞 | A kind of signal enhancing mobile phone shell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63250214A (en) * | 1987-04-04 | 1988-10-18 | Fumihiko Hirose | Analog switch |
| CN2187818Y (en) * | 1994-01-21 | 1995-01-18 | 黄小椿 | Speech sound alarm device |
| JP2002158543A (en) * | 2000-11-17 | 2002-05-31 | Sony Corp | Digital power amplifier |
| CN104038667A (en) * | 2014-06-10 | 2014-09-10 | 陕西科技大学 | Method for amplifying video image signal efficiently |
-
2015
- 2015-02-02 CN CN201510052866.1A patent/CN104660322A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63250214A (en) * | 1987-04-04 | 1988-10-18 | Fumihiko Hirose | Analog switch |
| CN2187818Y (en) * | 1994-01-21 | 1995-01-18 | 黄小椿 | Speech sound alarm device |
| JP2002158543A (en) * | 2000-11-17 | 2002-05-31 | Sony Corp | Digital power amplifier |
| CN104038667A (en) * | 2014-06-10 | 2014-09-10 | 陕西科技大学 | Method for amplifying video image signal efficiently |
Non-Patent Citations (1)
| Title |
|---|
| 韩雪涛: "《9天练会电子电路识图》", 30 June 2013 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162426A (en) * | 2015-06-05 | 2015-12-16 | 苏州经贸职业技术学院 | Power amplifier circuit with stable performance |
| CN106452382A (en) * | 2016-10-17 | 2017-02-22 | 中州大学 | Computer network signal amplifier |
| CN107968872A (en) * | 2018-01-18 | 2018-04-27 | 杨霞 | A kind of signal enhancing mobile phone shell |
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Application publication date: 20150527 |
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