CN106656223A - Wireless audio sending device for broadcasting station - Google Patents
Wireless audio sending device for broadcasting station Download PDFInfo
- Publication number
- CN106656223A CN106656223A CN201611238581.8A CN201611238581A CN106656223A CN 106656223 A CN106656223 A CN 106656223A CN 201611238581 A CN201611238581 A CN 201611238581A CN 106656223 A CN106656223 A CN 106656223A
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- electric capacity
- resistance
- inductance
- capacitor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Abstract
The invention discloses a wireless audio sending device for a broadcasting station. The wireless audio sending device comprises a resistor R1, a capacitor C1, an inductor L1, an antenna Y, a light-emitting diode LED, a triode VT1 and an inductor L4; one end of the capacitor C1 is respectively connected to a power supply VCC, a resistor R6, the inductor L1, a capacitor C4 and a resistor R4; the other end of the resistor R6 is connected to a positive electrode of the light-emitting diode LED; the other end of the capacitor C1 is respectively connected to the inductor L1, a capacitor C3, the triode VT1 and a capacitor C2; the other end of the capacitor C2 is connected to the inductor L4; the other end of the inductor L4 is connected to the antenna Y; the other end of the resistor R4 is respectively connected to a base of the triode VT1, a capacitor C6 and a capacitor C7; and the other end of the capacitor C7 is connected to a resistor R3. According to the wireless audio sending device for the broadcasting station disclosed by the invention, the wireless audio sending device for the broadcasting station does not adopt any chip element design, the anti-jamming capability is strong, the circuit structure is simple, the size is small, and the application scope is wide.
Description
Technical field
The present invention relates to a kind of audio frequency dispensing device, specifically a kind of to be used for station radio audio frequency dispensing device.
Background technology
Sound is produced by object vibration, and just the object in sounding calls source.Sound is fortune of the pressure wave by air
It is dynamic.Pressure wave vibrates the little bone (auditory ossicles) of internal ear, and these vibrations are converted into small electronics E.E.G, and it is exactly that we feel
The sound for observing.As the pronunciation of microphones capture sound wave or speaker, it is mobile Machinery Ministry to the principle that internal ear is adopted
The relation divided and barometric wave between.It is natural, sound wave tone it is low, movement is slow and sufficiently large when, we can essentially and " feel
Feel " vibrate body to barometric wave.
The place that radio station produces in a large number as a kind of audio signal, it is required for through place for the audio signal of input
Could play after reason, otherwise various noises, the experience of extreme influence people, and it is now wirelessly deep by consumer
Like.Based on this market demand, the present invention provides a kind of low cost, the frequency modulation wireless transmitter circuit of small volume, used as electricity
The daily inside of platform uses.
The content of the invention
It is an object of the invention to provide a kind of be used for station radio audio frequency dispensing device, to solve above-mentioned background technology in
The problem of proposition.
For achieving the above object, the present invention provides following technical scheme：
One kind is used for station radio audio frequency dispensing device, including resistance R1, electric capacity C1, inductance L1, antenna Y, light-emitting diodes
Pipe LED, audion VT1 and inductance L4, it is characterised in that described electric capacity C1 one end connects respectively power supply VCC, resistance R6, inductance
L1, electric capacity C4 and resistance R4, resistance R6 other end connecting luminous diode LED positive poles, the electric capacity C1 other ends connect respectively inductance
L1, electric capacity C3, audion VT1 colelctor electrodes and electric capacity C2, electric capacity C2 other ends connection inductance L4, inductance L4 other ends connection antenna
Y, the resistance R4 other ends difference connecting triode VT1 base stages, electric capacity C6 and electric capacity C7, electric capacity C7 other ends connection resistance
R3, the resistance R3 other end connects inductance L3, and the inductance L3 other ends connect respectively electric capacity C8, resistance R1 and resistance R2, and resistance R2 is another
One end connects input signal Vi, and the resistance R1 other ends connect respectively the electric capacity C8 other ends and inductance L2, audion VT1 emitter stages point
Lian Jie not the electric capacity C5 other ends, the resistance R5 other ends and the electric capacity C3 other ends；The power supply VCC voltages are 3V.
As further scheme of the invention：The inductance L2 other ends connect respectively the electric capacity C6 other ends, electric capacity C5,
Resistance R5, the electric capacity C4 other ends and LED negative pole.
Compared with prior art, the invention has the beneficial effects as follows：Station radio audio frequency dispensing device station radio of the present invention
Audio frequency dispensing device is not designed using any chip component, and strong antijamming capability, circuit structure is simple, low cost, small volume,
It is applied widely.
Description of the drawings
Fig. 1 is the circuit diagram of station radio audio frequency dispensing device.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, in the embodiment of the present invention, one kind is used for station radio audio frequency dispensing device, including resistance R1, electric capacity
C1, inductance L1, antenna Y, LED, audion VT1 and inductance L4, described electric capacity C1 one end connects respectively power supply
VCC, resistance R6, inductance L1, electric capacity C4 and resistance R4, resistance R6 other end connecting luminous diode LED positive poles, electric capacity C1 is another
End connects respectively inductance L1, electric capacity C3, audion VT1 colelctor electrodes and electric capacity C2, the electric capacity C2 other end connection inductance L4, inductance L4
The other end connects antenna Y, and the resistance R4 other ends difference connecting triode VT1 base stages, electric capacity C6 and electric capacity C7, electric capacity C7 is another
One end connects resistance R3, and resistance R3 other ends connection inductance L3, the inductance L3 other ends connect respectively electric capacity C8, resistance R1 and resistance
R2, the resistance R2 other end connects input signal Vi, and the resistance R1 other ends connect respectively the electric capacity C8 other ends and inductance L2, inductance L2
The other end connects respectively the electric capacity C6 other ends, electric capacity C5, resistance R5, the electric capacity C4 other ends and LED negative pole, three poles
Pipe VT1 emitter stages connect respectively the electric capacity C5 other ends, the resistance R5 other ends and the electric capacity C3 other ends；The power supply VCC voltages are
3V。
The present invention operation principle be：Input signal Vi carries out appropriate decay and divides into the bleeder circuit that R1 and R2 is constituted
Pressure matching, the signal on R1 is transported to the high-frequency oscillating circuitss that VT1 etc. is constituted, is adjusted by C8, L3, R3, C7, L2 link again
Why system, add the elements such as C8, L3, R3, C7, L2, its objective is high-frequency signal to be isolated, in case the height of VT1 parts
Frequency signal is thus outer to alter.
VT1 and its peripheral cell composition common base capacitance three-point type high-frequency oscillating circuitss, this circuit starting of oscillation is easy, frequency
High, wave distortion is little, by VT1 pipe c-e interpolar C3 electric capacity and VT1 pipes junction capacity itself and with reference to elements such as electric capacity C5, can shape
Into positive feedback network, persistent oscillation is produced, and in oscillatory work, by C1, L1 frequency surely, frequency stable can be made on certain frequency,
So as to can be corresponding with outside receiver；And oscillating tube VT1 b-e extremely on have audio signal to add, so, audio voltage is just
Can to VT1 vibration be modulated, finally can the c of agitator VT1 extremely on form stronger carrier signal radiation voltage, hereafter,
By the c poles of VT1, coupled capacitor C2 and inductance L4, launch from antenna Y.It is high that antenna Y coilloadings L4 can reduce antenna pair
The adverse effect of frequency agitator reflection, so that high-frequency oscillating circuitss job stability is enhanced.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (2)
1. it is a kind of to be used for station radio audio frequency dispensing device, including resistance R1, electric capacity C1, inductance L1, antenna Y, light emitting diode
LED, audion VT1 and inductance L4, it is characterised in that described electric capacity C1 one end connect respectively power supply VCC, resistance R6, inductance L1,
Electric capacity C4 and resistance R4, resistance R6 other end connecting luminous diode LED positive poles, the electric capacity C1 other ends connect respectively inductance L1,
Electric capacity C3, audion VT1 colelctor electrodes and electric capacity C2, electric capacity C2 other ends connection inductance L4, inductance L4 other ends connection antenna Y,
The resistance R4 other ends difference connecting triode VT1 base stages, electric capacity C6 and electric capacity C7, electric capacity C7 other ends connection resistance R3,
The resistance R3 other ends connect inductance L3, and the inductance L3 other ends connect respectively electric capacity C8, resistance R1 and resistance R2, the resistance R2 other ends
Connection input signal Vi, the resistance R1 other ends connect respectively the electric capacity C8 other ends and inductance L2, and audion VT1 emitter stages connect respectively
Connect the electric capacity C5 other ends, the resistance R5 other ends and the electric capacity C3 other ends；The power supply VCC voltages are 3V.
2. station radio audio frequency dispensing device according to claim 1, it is characterised in that the inductance L2 other ends difference
The connection electric capacity C6 other ends, electric capacity C5, resistance R5, the electric capacity C4 other ends and LED negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238581.8A CN106656223A (en) | 2016-12-28 | 2016-12-28 | Wireless audio sending device for broadcasting station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611238581.8A CN106656223A (en) | 2016-12-28 | 2016-12-28 | Wireless audio sending device for broadcasting station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106656223A true CN106656223A (en) | 2017-05-10 |
Family
ID=58835334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611238581.8A Pending CN106656223A (en) | 2016-12-28 | 2016-12-28 | Wireless audio sending device for broadcasting station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106656223A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318175A (en) * | 2017-08-23 | 2017-11-03 | 上海摩软通讯技术有限公司 | ANTENNAUDIO transcriber and its matching method |
-
2016
- 2016-12-28 CN CN201611238581.8A patent/CN106656223A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318175A (en) * | 2017-08-23 | 2017-11-03 | 上海摩软通讯技术有限公司 | ANTENNAUDIO transcriber and its matching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |