CN108419180A - A kind of wireless audio frequency transmission function processor - Google Patents
A kind of wireless audio frequency transmission function processor Download PDFInfo
- Publication number
- CN108419180A CN108419180A CN201810254589.6A CN201810254589A CN108419180A CN 108419180 A CN108419180 A CN 108419180A CN 201810254589 A CN201810254589 A CN 201810254589A CN 108419180 A CN108419180 A CN 108419180A
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- capacitance
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Abstract
The invention discloses a kind of wireless audio frequency transmission function processors, including the first capacitance to the 9th capacitance, first resistor to the 6th resistance, FM transmission chip, crystal oscillator, transformer, triode and antenna, audio player will need outside the radio signal that emits be input to FM transmission chip through the first capacitance and first resistor and handle, treated, and signal is vibrated by the oscillating circuit that transformer and crystal oscillator are constituted, and will finally be sent out by antenna after the frequency signal amplification after oscillation by triode.The present invention carries out processing signal using FM transmission chip, then the signal of processing is vibrated and amplified, and is not only able to obtain the less signal of clutter, and pass through amplified long transmission distance, strong antijamming capability has the value of popularization and application.
Description
Technical field
The present invention relates to audio hardware technical field more particularly to a kind of wireless audio frequency transmission function processors.
Background technology
Audio processor is also known as digital processing unit, is the processing to digital signal, and internal structure is generally by defeated
Enter part and output par, c composition.Its internal function is more complete, some carry the processing module that can pull programming, can
With by user, freely the system of building forms.In the prior art, the audio signal of wireless transmission is transmitted relative to wireline audio always
Far short of what is expected, especially distance, short-distance transmission audio quality is not bad, slightly remote Distance Transmission, audio signal just weaken very much, because
This needs constantly to improve and innovate in line with the Quality advance for improving wireless audio frequency transmission function.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of wireless audio frequency transmission function processor.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes the first capacitance to the 9th capacitance, first resistor to the 6th resistance, FM transmission chip, crystal oscillator, change
Depressor, triode and antenna, the first end of the first capacitance are signal input part, the of the second end of the first capacitance and first resistor
One end connects, and the second end of first resistor is connect with the 5th pin of the first end of the 4th resistance and FM transmission chip simultaneously,
The second end of 4th resistance is connect with the 6th pin of FM transmission chip, the 7th pin and second resistance of FM transmission chip
First end connection, the second end of second resistance connect with the first end of the first end of the second capacitance and 3rd resistor simultaneously, the
The second ends of three resistance simultaneously with power cathode, the hair of the first end of the 5th capacitance, the first end of transformer secondary output and triode
Emitter-base bandgap grading connects, the 4th pin of FM transmission chip simultaneously with the 12nd pin of FM transmission chip, cathode power supply end, the 6th
The first end of resistance is connected with the first end of the 8th capacitance, and the third pin of FM transmission chip and the first end of the 5th resistance connect
It connects, the second end of the 5th resistance is connect with the second end of the second capacitance, the second pin of FM transmission chip and the 5th capacitance
Second end connects, and the first pin of FM transmission chip and the first end of primary connect, and the tenth of FM transmission chip the
Three pins are connect with the first end of third capacitance, the second end of third capacitance while the first end with the 4th capacitance, FM transmission
The of the connection of the first end of 15th pin of chip and the 6th capacitance, the 14th pin of FM transmission chip and the 4th capacitance
Two ends connect, and the 16th pin of FM transmission chip is connect with the first end of the second end of the 6th capacitance and crystal oscillator simultaneously, brilliant
The second end of the second end and primary shaken connects, and the second end of transformer secondary output is connect with the first end of the 7th capacitance,
The second end of 7th capacitance connect with the base stage of the second end of the 6th resistance and triode simultaneously, the collector of triode and meanwhile with
The second end of 8th capacitance is connected with the first end of the 9th capacitance, and the second end of the 9th capacitance is connect with antenna.
The beneficial effects of the present invention are：
The present invention is a kind of wireless audio frequency transmission function processor, and the present invention carries out processing signal using FM transmission chip, then
The signal of processing is vibrated and amplified, is not only able to obtain the less signal of clutter, and pass through amplified transmission distance
From remote, strong antijamming capability has the value of popularization and application.
Description of the drawings
Fig. 1 is the circuit structure schematic diagram of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1：The present invention includes the first capacitance C1 to the 9th capacitance C9, first resistor R1 to the 6th resistance R6, tune
Frequency transmitting chip IC, crystal oscillator ST, transformer T, triode VT and antenna TX, the first capacitance C1 first end be signal input part,
The second end of first capacitance C1 is connect with the first end of first resistor R1, the second end of first resistor R1 simultaneously with the 4th resistance R4
First end connected with the 5th pin of FM transmission chip IC, the of the second end of the 4th resistance R4 and FM transmission chip IC
Six pins connect, and the 7th pin of FM transmission chip IC is connect with the first end of second resistance R2, and the second of second resistance R2
End connect with the first end of the first end of the second capacitance C2 and 3rd resistor R3 simultaneously, the second end of 3rd resistor R3 and meanwhile with electricity
Source cathode, the first end of the 5th capacitance C5, the first end of T grade of transformer are connected with the emitter of triode VT, FM transmission
4th pin of chip IC simultaneously with the 12nd pin of FM transmission chip IC, cathode power supply end, the 6th resistance R6 first
End is connected with the first end of the 8th capacitance C8, and the third pin of FM transmission chip IC is connect with the first end of the 5th resistance R5,
The second end of 5th resistance R5 is connect with the second end of the second capacitance C2, the second pin of FM transmission chip IC and the 5th capacitance
The second end of C5 connects, and the first pin of FM transmission chip IC is connect with the first end of transformer T primary, FM transmission chip
The 13rd pin of IC is connect with the first end of third capacitance C3, the second end of third capacitance C3 simultaneously with the 4th capacitance C4 the
The first end of one end, the 15th pin of FM transmission chip IC and the 6th capacitance C6 connects, and the tenth of FM transmission chip IC the
Four pins are connect with the second end of the 4th capacitance C4, the 16th pin of FM transmission chip IC simultaneously with the 6th capacitance C6 the
Two ends are connected with the first end of crystal oscillator ST, and the second end of crystal oscillator ST is connect with the second end of transformer T primary, T grade of transformer
Second end connect with the first end of the 7th capacitance C7, the second end of the 7th capacitance C7 simultaneously with the second end of the 6th resistance R6 and
The base stage of triode VT connects, the collector of triode VT simultaneously with the second end of the 8th capacitance C8 and the 9th capacitance C9 first
End connection, the second end of the 9th capacitance C9 are connect with antenna TX.
Working principle of the present invention is as follows：
Transformer T primary using the conducting wire of diameter 0.72mm on the frame of diameter 6.3mm around 15 circles, secondary is around 4 circles；Sound
Frequency player will need outside the radio signal that emits be input to FM transmission chip IC through the first capacitance C1 and first resistor R1
It is handled, treated, and signal is vibrated by transformer T and crystal oscillator the ST oscillating circuit constituted, will finally be shaken by triode VT
It is sent out by antenna after frequency signal amplification after swinging.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of wireless audio frequency transmission function processor, it is characterised in that：Including the first capacitance to the 9th capacitance, first resistor to the 6th
Resistance, FM transmission chip, crystal oscillator, transformer, triode and antenna, the first end of the first capacitance are signal input part, first
The second end of capacitance and the first end of first resistor connect, the second end of first resistor while first end and tune with the 4th resistance
5th pin of frequency transmitting chip connects, and the second end of the 4th resistance is connect with the 6th pin of FM transmission chip, frequency modulation hair
7th pin of core shooting piece and the first end of second resistance connect, the second end of second resistance while the first end with the second capacitance
Connected with the first end of 3rd resistor, the second end of 3rd resistor simultaneously with power cathode, the first end of the 5th capacitance, transformer
Secondary first end connect with the emitter of triode, the 4th pin of FM transmission chip while with the of FM transmission chip
12 pins, cathode power supply end, the 6th resistance first end connected with the first end of the 8th capacitance, the third of FM transmission chip
Pin is connect with the first end of the 5th resistance, and the second end of the 5th resistance is connect with the second end of the second capacitance, FM transmission core
The second pin of piece is connect with the second end of the 5th capacitance, the first pin of FM transmission chip and the first end of primary
Connection, the 13rd pin of FM transmission chip connect with the first end of third capacitance, the second end of third capacitance while with the
The first end of the first end of four capacitances, the 15th pin of FM transmission chip and the 6th capacitance connects, FM transmission chip
14th pin is connect with the second end of the 4th capacitance, the 16th pin of FM transmission chip while second with the 6th capacitance
End is connected with the first end of crystal oscillator, and the second end of crystal oscillator and the second end of primary connect, the second end of transformer secondary output
It is connect with the first end of the 7th capacitance, the second end of the 7th capacitance connects with the second end of the 6th resistance and the base stage of triode simultaneously
It connecing, the collector of triode is connect with the first end of the second end of the 8th capacitance and the 9th capacitance simultaneously, and the second of the 9th capacitance
End is connect with antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254589.6A CN108419180A (en) | 2018-03-27 | 2018-03-27 | A kind of wireless audio frequency transmission function processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254589.6A CN108419180A (en) | 2018-03-27 | 2018-03-27 | A kind of wireless audio frequency transmission function processor |
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| Publication Number | Publication Date |
|---|---|
| CN108419180A true CN108419180A (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810254589.6A Pending CN108419180A (en) | 2018-03-27 | 2018-03-27 | A kind of wireless audio frequency transmission function processor |
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| Country | Link |
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| CN (1) | CN108419180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963231A (en) * | 2019-03-23 | 2019-07-02 | 西安石油大学 | A kind of vocal music microphone audio processor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206135877U (en) * | 2016-11-04 | 2017-04-26 | 曲靖师范学院 | Signal transmitter based on singlechip |
-
2018
- 2018-03-27 CN CN201810254589.6A patent/CN108419180A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206135877U (en) * | 2016-11-04 | 2017-04-26 | 曲靖师范学院 | Signal transmitter based on singlechip |
Non-Patent Citations (3)
| Title |
|---|
| 沈保成: "小功率无线呼叫系统的研制", 《西安工业大学学报》 * |
| 许元兴: "《电话机原理使用及故障检修大全 续一》", 31 December 1996, 人民邮电出版社 * |
| 闫俊 ,夏志忠: "单片机集成调频发射芯片MC2831A的应用", 《电子技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963231A (en) * | 2019-03-23 | 2019-07-02 | 西安石油大学 | A kind of vocal music microphone audio processor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |
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| RJ01 | Rejection of invention patent application after publication |