CN104394085A - A wireless router based on an improved amplifier - Google Patents
A wireless router based on an improved amplifier Download PDFInfo
- Publication number
- CN104394085A CN104394085A CN201410574521.8A CN201410574521A CN104394085A CN 104394085 A CN104394085 A CN 104394085A CN 201410574521 A CN201410574521 A CN 201410574521A CN 104394085 A CN104394085 A CN 104394085A
- Authority
- CN
- China
- Prior art keywords
- amplifier
- electric capacity
- resistance
- triode
- inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Amplifiers (AREA)
Abstract
The invention discloses a wireless router based on an improved amplifier, the router comprising a router part, a wireless decoding chip, an amplifier circuit module and a wireless reception module mutually connected in sequence, wherein, the router part includes a CPU module and a TCP/IP module; the amplifier circuit module includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first inductor, a second inductor, a first amplifier, a first triode, and a second triode; the invention, by adjusting an input stage matching circuit and an output stage matching circuit, makes a signal of the circuit very stable, and less susceptible to interference, and meantime, the selected first amplifier, first triode and second triode have much stable performance, and will not make signal jitter and introduce new noise wave.
Description
Technical field
The invention discloses a kind of wireless router based on improving amplifier, belonging to electric elements design field.
Background technology
Along with popularizing of network technology, the use of wireless router progressively enters in huge numbers of families and each public place.The result of use of wireless router, and the power of signal power has much relations.In the Metroplises spreading all over reinforced concrete, the signal transmission of wireless router is due to various shielding and block and have a greatly reduced quality.The decay of reply signal and loss, the most direct solution uses amplifier to carry out amplification process to signal exactly.
Power amplifier, English name: power amplifier, is called for short " power amplifier ", refers under given distortion rate condition, can produce maximum power output to drive the amplifier of a certain load.Power amplifier serves in whole sound system " tissue, coordination " pivotal role, can dominate whole system to a certain extent provide good tonequality to export.
The scope of application of amplifier widely, in all trades and professions, every needs carries out signal amplification, power amplification, the equipment that gain is amplified or device, all be unable to do without amplifier, although existing amplifier chip is very many, but the performance of amplifier chip itself is not also very perfect, so need the coupling of peripheral circuit and equilibrium, but because the characteristic of signal, some change in circuit just may cause varying of result, so also need to mate the peripheral circuit of amplifier accurately.
The patent No. is CN103269205A, patent name is a kind of power amplifier, this patent indicates that existing stack power amplifier is by the stacking Problems existing that is formed by connecting of several power unit cascade, and propose the mode of improvement, but this patent does not clearly provide the side circuit of coupling input impedance or actual means, still can not effectively deal with problems.
The patent No. is CN1926760A, patent name is a kind of power amplifier, efficiency when this patent indicates that existing high output amplifier is devoted to by carrying out reducing the design of idle current and improving low output, although this patent effectively raises power output, but well do not solve the problem of circuit stability, raising delivery efficiency simply only can cause the stability of circuit poorer.
In sum, need a kind of good stability, the sufficiently high amplifier circuit of output power of circuit.
Summary of the invention
Technical problem to be solved by this invention is: for the defect of prior art, and provide a kind of wireless router based on improving amplifier, add follow-on amplifier, the Signal transmissions of the wireless router being is strengthened fully.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Based on the wireless router improving amplifier, comprise interconnective router section, wireless decoding chip, amplifier circuit module and wireless receiving module in turn, wherein, described router section comprises CPU module and TCP/IP module;
Described amplifier circuit specifically comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first inductance, the second inductance, the first amplifier, the first triode, the second triode;
Wherein, one end of first resistance is connected with one end of the first electric capacity, the other end of described first electric capacity connects one end of the 3rd electric capacity respectively, one end of 4th resistance and the normal phase input end of the first amplifier, the inverting input of described first amplifier is connected with one end of the second resistance, the other end ground connection of described second resistance, the output of described first amplifier connects one end of the 4th electric capacity respectively, one end of 5th resistance, the other end ground connection of described 5th resistance, the other end of the 4th electric capacity connects the other end of the 3rd electric capacity respectively, the other end of the 4th circuit, the collector electrode of the first triode, the collector electrode of the second triode,
The positive power source terminal of described first amplifier is connected with one end of the first inductance, the other end of described first inductance connects one end of the second electric capacity, one end of the 3rd resistance and the base stage of the first triode, the other end of described second electric capacity, the other end of the 3rd resistance, the emitter of the first triode are all connected with positive voltage;
The negative power end of described first amplifier connects one end of the second inductance, the base stage of the second triode respectively, the emitter of described second triode connects the other end of the second inductance, one end of the 5th electric capacity and negative voltage, the other end ground connection of described 5th electric capacity respectively.
As further prioritization scheme of the present invention, the chip model that described first amplifier adopts is UA759.
As further prioritization scheme of the present invention, the model of described first triode is 2N3790.
As further prioritization scheme of the present invention, the model of described second triode is 2N3055.
As further prioritization scheme of the present invention, described positive voltage is+15V, and negative voltage is-13V.
The present invention adopts above technical scheme compared with prior art, there is following technique effect: the present invention is by the adjustment to input stage match circuit and output stage match circuit, make the signal of circuit highly stable, not easily be disturbed, the first amplifier simultaneously selected, the first triode and the second triode have a lot of stabilities, the shake of signal can not be brought, and introduce new clutter.The signal transfer functions of wireless router is strengthened thus significantly, meets the user demand in daily life.
Accompanying drawing explanation
Fig. 1 is circuit module schematic diagram of the present invention.
Fig. 2 is in the present invention, the particular circuit configurations schematic diagram of the amplifier of improvement.
Embodiment
Be described below in detail embodiments of the present invention, the example of described execution mode is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.
Being exemplary below by the execution mode be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
Circuit module schematic diagram of the present invention as shown in Figure 1, the described wireless router based on improving amplifier, comprise interconnective router section, wireless decoding chip, amplifier circuit module and wireless receiving module in turn, wherein, described router section comprises CPU module and TCP/IP module.
In the present invention, the particular circuit configurations schematic diagram of the amplifier improved as shown in Figure 2, comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first inductance, the second inductance, the first amplifier, the first triode, the second triode;
Wherein, one end of first resistance is connected with one end of the first electric capacity, the other end of described first electric capacity connects one end of the 3rd electric capacity, one end of the 4th resistance and the normal phase input end of the first amplifier respectively, and the inverting input of described first amplifier is connected with one end of the second resistance;
The other end ground connection of described second resistance, the output of described first amplifier connects one end of the 4th electric capacity, one end of the 5th resistance respectively, and the other end ground connection of described 5th resistance, the other end of the 4th electric capacity connect the other end, the other end of the 4th circuit, the collector electrode of the first triode, the collector electrode of the second triode of the 3rd electric capacity respectively;
The positive power source terminal of described first amplifier is connected with one end of the first inductance, the other end of described first inductance connects one end of the second electric capacity, one end of the 3rd resistance and the base stage of the first triode, the other end of described second electric capacity, the other end of the 3rd resistance, the emitter of the first triode are all connected with positive voltage;
The negative power end of described first amplifier connects one end of the second inductance, the base stage of the second triode respectively, the emitter of described second triode connects the other end of the second inductance, one end of the 5th electric capacity and negative voltage, the other end ground connection of described 5th electric capacity respectively.
As further prioritization scheme of the present invention, the chip model that described first amplifier adopts is UA759, and this chip stability is good, power is large, and load capacity is strong, is not easy to damage, the match circuit of chip internal is very perfect simultaneously, effectively can avoid the interference of clutter.
As further prioritization scheme of the present invention, the model of described first triode is 2N3790.
As further prioritization scheme of the present invention, the model of described second triode is 2N3055.
First diode and the second triode all have good stability, easily by the impact of extraneous factor, effectively can not can improve the stationary performance of circuit, and can not introduce other clutter, the amplification of interference signal during use.
As further prioritization scheme of the present invention, described positive voltage is+15V, and negative voltage is-13V.
The positive supply input of the first amplifier, except divider resistance, also adds the second electric capacity in parallel and the first inductance of series connection, plays the effect of filtering clutter, prevent the ripple of power supply from introducing in the first amplifier, disturb the performance of the first amplifier.
A shunt capacitance can also be added at the resistance two ends of the inverting input of the first amplifier simultaneously, some interfering clutters of filtering, thus reduce the introducing of clutter, improve the stability of amplifier, all can add the inductance of multiple earth in addition at the input of positive supply and the input of negative supply, carry out the clutter in filter out power.
The mode of this circuit synthesis plurality of stable circuit improves the stability of amplifying circuit, can not increase complexity and the antijamming capability of circuit simultaneously, better provide the circuit of high-quality stable.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention, although the present invention discloses as above with preferred embodiment, but and is not used to limit the present invention, any those skilled in the art.
Do not departing within the scope of technical solution of the present invention; make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations; in every case be do not depart from technical solution of the present invention content; according to technical spirit of the present invention; within the spirit and principles in the present invention; the any simple amendment that above embodiment is done, equivalently replace and improve, within the protection range all still belonging to technical solution of the present invention.
Claims (5)
1. the wireless router based on improvement amplifier, it is characterized in that: comprise interconnective router section, wireless decoding chip, amplifier circuit module and wireless receiving module in turn, wherein, described router section comprises CPU module and TCP/IP module;
Described amplifier circuit specifically comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first inductance, the second inductance, the first amplifier, the first triode, the second triode;
Wherein, one end of first resistance is connected with one end of the first electric capacity, the other end of described first electric capacity connects one end of the 3rd electric capacity respectively, one end of 4th resistance and the normal phase input end of the first amplifier, the inverting input of described first amplifier is connected with one end of the second resistance, the other end ground connection of described second resistance, the output of described first amplifier connects one end of the 4th electric capacity respectively, one end of 5th resistance, the other end ground connection of described 5th resistance, the other end of the 4th electric capacity connects the other end of the 3rd electric capacity respectively, the other end of the 4th circuit, the collector electrode of the first triode, the collector electrode of the second triode,
The positive power source terminal of described first amplifier is connected with one end of the first inductance, the other end of described first inductance connects one end of the second electric capacity, one end of the 3rd resistance and the base stage of the first triode, the other end of described second electric capacity, the other end of the 3rd resistance, the emitter of the first triode are all connected with positive voltage;
The negative power end of described first amplifier connects one end of the second inductance, the base stage of the second triode respectively, the emitter of described second triode connects the other end of the second inductance, one end of the 5th electric capacity and negative voltage, the other end ground connection of described 5th electric capacity respectively.
2. a kind of based on improving the wireless router of amplifier as claimed in claim 1, it is characterized in that: the chip model that described first amplifier adopts is UA759.
3. a kind of based on improving the wireless router of amplifier as claimed in claim 1 or 2, it is characterized in that: the model of described first triode is 2N3790.
4. a kind of based on improving the wireless router of amplifier as claimed in claim 1, it is characterized in that: the model of described second triode is 2N3055.
5. a kind of based on improving the wireless router of amplifier as claimed in claim 4, it is characterized in that: described positive voltage is+15V, negative voltage is-13V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574521.8A CN104394085A (en) | 2014-10-24 | 2014-10-24 | A wireless router based on an improved amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574521.8A CN104394085A (en) | 2014-10-24 | 2014-10-24 | A wireless router based on an improved amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104394085A true CN104394085A (en) | 2015-03-04 |
Family
ID=52611921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410574521.8A Pending CN104394085A (en) | 2014-10-24 | 2014-10-24 | A wireless router based on an improved amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104394085A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1926760A (en) * | 2004-07-14 | 2007-03-07 | 三菱电机株式会社 | High output amplifier |
| CN103269205A (en) * | 2013-06-04 | 2013-08-28 | 苏州英诺迅科技有限公司 | Power amplifier |
-
2014
- 2014-10-24 CN CN201410574521.8A patent/CN104394085A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1926760A (en) * | 2004-07-14 | 2007-03-07 | 三菱电机株式会社 | High output amplifier |
| CN103269205A (en) * | 2013-06-04 | 2013-08-28 | 苏州英诺迅科技有限公司 | Power amplifier |
Non-Patent Citations (1)
| Title |
|---|
| FAIRCHILD: "Power Operational Amplifiers", 《HTTP://WENKU.BAIDU.COM/VIEW/AA26713B3968011CA3009125.HTML?FROM=SEARCH》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103634016A (en) | Tunable impedance matching circuit | |
| CN109167582A (en) | Broadband bandpass filtering power amplifier based on frequency selectivity coupling | |
| CN109946506B (en) | Zero crossing detection system | |
| CN101814898B (en) | Radio-frequency amplifier and digital pre-distortion system | |
| CN104662795B (en) | Microwave amplifier | |
| CN206041939U (en) | RF power amplifier output matching circuit structure | |
| CN207490871U (en) | A kind of multi-frequency band radio-frequency power amplifier | |
| CN101882910A (en) | Output matching circuit for improving power added efficiency and linearity of power amplifier | |
| CN205265633U (en) | Anti interfering signal magnification system | |
| CN204291483U (en) | A kind of LED is without strobe apparatus | |
| CN201733278U (en) | Output matching circuit for increasing power added efficiency and linearity | |
| CN103107795A (en) | Floating ground active inductor | |
| CN109660211A (en) | The 5G CMOS radio-frequency power amplifier of power combing and Envelope injection | |
| CN104394085A (en) | A wireless router based on an improved amplifier | |
| CN205657827U (en) | Intelligent high integration active audio amplifier | |
| CN205160476U (en) | Power amplifier with distortion compensating circuit | |
| CN104376708A (en) | Wireless remote controller additionally provided with amplifier | |
| CN203590161U (en) | Efficient radio-frequency power amplifier | |
| CN104485905A (en) | High-stability amplifier | |
| CN209961836U (en) | Zero-crossing detection system | |
| CN203933388U (en) | A kind of for suppressing electromagnetic interference filter circuit and the air conditioner of resonance peak | |
| CN203968074U (en) | A kind of Novel Filter circuit | |
| CN202085136U (en) | Carrier signal receive filter device for power line carrier communication | |
| CN202679355U (en) | Voltage stabilizing circuit for frequency modulation interphone | |
| CN110289819A (en) | A kind of output matching network of radio-frequency front-end and its radio-frequency power amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
|
| RJ01 | Rejection of invention patent application after publication |