CN204406456U - A kind of radio circuit - Google Patents
A kind of radio circuit Download PDFInfo
- Publication number
- CN204406456U CN204406456U CN201420780388.7U CN201420780388U CN204406456U CN 204406456 U CN204406456 U CN 204406456U CN 201420780388 U CN201420780388 U CN 201420780388U CN 204406456 U CN204406456 U CN 204406456U
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- electric capacity
- ground connection
- pin
- termination
- inductance
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Abstract
A kind of radio circuit, it is characterized in that, comprising: integrated circuit die I C1, integrated circuit die I C1 comprises 41 pins.The beneficial effects of the utility model are: circuit structure is simple, and overall price/performance ratio is high, for the radio communication of Internet of Things application circuit.
Description
Technical field
The present invention relates to radio circuit field, especially a kind of radio circuit being applied to Internet of Things application circuit.
Background technology
Internet-of-things terminal application is more and more extensive, and module wherein in terminal is many is communicated by radio-frequency technique.Various radio circuit circuit structure of the prior art is complicated, and use components and parts more, overall price/performance ratio is lower.
Summary of the invention
The invention provides a kind of radio circuit, comprise integrated circuit die I C1, integrated circuit die I C1 comprises 41 pins; The direct ground connection of first pin; The vdd voltage of+3.3V is accessed, ground connection after another termination the 21 electric capacity C21 after 20 pin one termination second resistance R2; The direct ground connection of 41 pin; 30 pin connects ground connection after the first resistance R1; 40 pin connects the VCC voltage of+1.8V, ground connection after the indirect 19 electric capacity C19 of the VCC voltage of the 40 pin and+1.8V; 20 three-prong connects ground connection after the 15 electric capacity C15, and the 22 pin connects ground connection after the 9th electric capacity C9, and the first crystal oscillator Y1 is connected between the 22 pin and the 20 three-prong; 30 three-prong connects ground connection after the 4th electric capacity C4, and the 32 pin connects ground connection after the 5th electric capacity C5, and the second crystal oscillator Y2 is connected between the 30 three-prong and the 32 pin; 26 pin connects ground connection after the 13 electric capacity C13, the second inductance L 2, second electric capacity C2, the first electric capacity C1 successively; 25 pin connects ground connection after the 12 electric capacity C12, the 6th electric capacity C6, the 3rd electric capacity C3 successively; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and end formation loop, ground; 4th inductance L 4, the 3rd inductance L 3, the 8th electric capacity C8 connect successively, two-terminal-grounding; The vdd voltage of access+3.3V after tenth pin one termination first inductance L 1, ground connection after termination a 20 electric capacity C20; The vdd voltage of access+3.3V after 39 pin one termination first inductance L 1, ground connection after termination a 18 electric capacity C18; The vdd voltage of access+3.3V after 21 pin one termination first inductance L 1, ground connection after termination a 16 electric capacity C16; The vdd voltage of access+3.3V after 24 pin one termination first inductance L 1, ground connection after termination a 14 electric capacity C14; The vdd voltage of access+3.3V after 27 pin one termination first inductance L 1, ground connection after a termination the tenth electric capacity C10 and the 11 electric capacity C11; The vdd voltage of access+3.3V after 31 pin one termination first inductance L 1, ground connection after termination a 17 electric capacity C17; The vdd voltage of access+3.3V after electric capacity C7 mono-termination first inductance L 1, the direct ground connection of the other end; First diode D1 accesses the vdd voltage of+3.3V after connecing the first inductance L 1 after connecting the 3rd resistance R3, the second diode D2 connects the vdd voltage of the rear access of the first inductance L 1+3.3V after connecting the 4th resistance R4.
Preferably, integrated circuit die I C1 selects CC2530 chip.
Beneficial effect of the present invention is: circuit structure is simple, and overall price/performance ratio is high, for the radio communication of Internet of Things application circuit.
Accompanying drawing explanation
Fig. 1 is one-piece construction block diagram of the present invention.
Embodiment
For solving the problems of the technologies described above, the invention provides a kind of radio circuit, comprising integrated circuit die I C1, integrated circuit die I C1 comprises 41 pins; The direct ground connection of first pin; The vdd voltage of+3.3V is accessed, ground connection after another termination the 21 electric capacity C21 after 20 pin one termination second resistance R2; The direct ground connection of 41 pin; 30 pin connects ground connection after the first resistance R1; 40 pin connects the VCC voltage of+1.8V, ground connection after the indirect 19 electric capacity C19 of the VCC voltage of the 40 pin and+1.8V; 20 three-prong connects ground connection after the 15 electric capacity C15, and the 22 pin connects ground connection after the 9th electric capacity C9, and the first crystal oscillator Y1 is connected between the 22 pin and the 20 three-prong; 30 three-prong connects ground connection after the 4th electric capacity C4, and the 32 pin connects ground connection after the 5th electric capacity C5, and the second crystal oscillator Y2 is connected between the 30 three-prong and the 32 pin; 26 pin connects ground connection after the 13 electric capacity C13, the second inductance L 2, second electric capacity C2, the first electric capacity C1 successively; 25 pin connects ground connection after the 12 electric capacity C12, the 6th electric capacity C6, the 3rd electric capacity C3 successively; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and end formation loop, ground; 4th inductance L 4, the 3rd inductance L 3, the 8th electric capacity C8 connect successively, two-terminal-grounding; The vdd voltage of access+3.3V after tenth pin one termination first inductance L 1, ground connection after termination a 20 electric capacity C20; The vdd voltage of access+3.3V after 39 pin one termination first inductance L 1, ground connection after termination a 18 electric capacity C18; The vdd voltage of access+3.3V after 21 pin one termination first inductance L 1, ground connection after termination a 16 electric capacity C16; The vdd voltage of access+3.3V after 24 pin one termination first inductance L 1, ground connection after termination a 14 electric capacity C14; The vdd voltage of access+3.3V after 27 pin one termination first inductance L 1, ground connection after a termination the tenth electric capacity C10 and the 11 electric capacity C11; The vdd voltage of access+3.3V after 31 pin one termination first inductance L 1, ground connection after termination a 17 electric capacity C17; The vdd voltage of access+3.3V after electric capacity C7 mono-termination first inductance L 1, the direct ground connection of the other end; First diode D1 accesses the vdd voltage of+3.3V after connecing the first inductance L 1 after connecting the 3rd resistance R3, the second diode D2 connects the vdd voltage of the rear access of the first inductance L 1+3.3V after connecting the 4th resistance R4.
Integrated circuit die I C1 selects CC2530 chip.
Although the present invention illustrates with regard to preferred implementation and describes, only it will be understood by those of skill in the art that otherwise exceed claim limited range of the present invention, variations and modifications can be carried out to the present invention.
Claims (2)
1. a radio circuit, is characterized in that, comprising: integrated circuit die I C1, and integrated circuit die I C1 comprises 41 pins; The direct ground connection of first pin; The vdd voltage of+3.3V is accessed, ground connection after another termination the 21 electric capacity C21 after 20 pin one termination second resistance R2; The direct ground connection of 41 pin; 30 pin connects ground connection after the first resistance R1; 40 pin connects the VCC voltage of+1.8V, ground connection after the indirect 19 electric capacity C19 of the VCC voltage of the 40 pin and+1.8V; 20 three-prong connects ground connection after the 15 electric capacity C15, and the 22 pin connects ground connection after the 9th electric capacity C9, and the first crystal oscillator Y1 is connected between the 22 pin and the 20 three-prong; 30 three-prong connects ground connection after the 4th electric capacity C4, and the 32 pin connects ground connection after the 5th electric capacity C5, and the second crystal oscillator Y2 is connected between the 30 three-prong and the 32 pin; 26 pin connects ground connection after the 13 electric capacity C13, the second inductance L 2, second electric capacity C2, the first electric capacity C1 successively; 25 pin connects ground connection after the 12 electric capacity C12, the 6th electric capacity C6, the 3rd electric capacity C3 successively; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and end formation loop, ground; 4th inductance L 4, the 3rd inductance L 3, the 8th electric capacity C8 connect successively, two-terminal-grounding; The vdd voltage of access+3.3V after tenth pin one termination first inductance L 1, ground connection after termination a 20 electric capacity C20; The vdd voltage of access+3.3V after 39 pin one termination first inductance L 1, ground connection after termination a 18 electric capacity C18; The vdd voltage of access+3.3V after 21 pin one termination first inductance L 1, ground connection after termination a 16 electric capacity C16; The vdd voltage of access+3.3V after 24 pin one termination first inductance L 1, ground connection after termination a 14 electric capacity C14; The vdd voltage of access+3.3V after 27 pin one termination first inductance L 1, ground connection after a termination the tenth electric capacity C10 and the 11 electric capacity C11; The vdd voltage of access+3.3V after 31 pin one termination first inductance L 1, ground connection after termination a 17 electric capacity C17; The vdd voltage of access+3.3V after electric capacity C7 mono-termination first inductance L 1, the direct ground connection of the other end; First diode D1 accesses the vdd voltage of+3.3V after connecing the first inductance L 1 after connecting the 3rd resistance R3, the second diode D2 connects the vdd voltage of the rear access of the first inductance L 1+3.3V after connecting the 4th resistance R4.
2. radio circuit as claimed in claim 1, is characterized in that, integrated circuit die I C1 selects CC2530 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780388.7U CN204406456U (en) | 2014-12-12 | 2014-12-12 | A kind of radio circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780388.7U CN204406456U (en) | 2014-12-12 | 2014-12-12 | A kind of radio circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406456U true CN204406456U (en) | 2015-06-17 |
Family
ID=53430298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780388.7U Expired - Fee Related CN204406456U (en) | 2014-12-12 | 2014-12-12 | A kind of radio circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204406456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597201A (en) * | 2018-02-12 | 2018-09-28 | 西安财经学院 | A kind of man-machine supplementary AC equipment of English Translation |
-
2014
- 2014-12-12 CN CN201420780388.7U patent/CN204406456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597201A (en) * | 2018-02-12 | 2018-09-28 | 西安财经学院 | A kind of man-machine supplementary AC equipment of English Translation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20171212 |