CN113890572A - High-performance Bluetooth communication circuit - Google Patents
High-performance Bluetooth communication circuit Download PDFInfo
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- CN113890572A CN113890572A CN202111362095.8A CN202111362095A CN113890572A CN 113890572 A CN113890572 A CN 113890572A CN 202111362095 A CN202111362095 A CN 202111362095A CN 113890572 A CN113890572 A CN 113890572A
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- inductor
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- resistor
- triode
- power supply
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- 238000004891 communication Methods 0.000 title claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a high-performance Bluetooth communication circuit, which comprises a direct-current power supply, first to third resistors, first to third capacitors, a triode, a switch, an antenna, a first inductor and a second inductor, wherein the oscillation frequency is determined by the second inductor and the second capacitor. The circuit transmits power only dozens of milliwatts and has long transmission distance. The invention mainly utilizes the interaction of the triode and the inductor for amplification, can transmit radio high-frequency carrier waves, has low power consumption and high amplification efficiency, can improve the transmission distance of Bluetooth signals when being connected with a Bluetooth signal transmitting end, and improves the signal transmission efficiency by measuring that the transmission distance reaches 20-25 meters under the environment without obstacles, thereby having the value of popularization and application.
Description
Technical Field
The invention relates to the technical field of wireless electronics, in particular to a high-performance Bluetooth communication circuit.
Background
Bluetooth, a radio technology supporting short-range communication (typically within 10 m) of devices, enables wireless information exchange between many devices including mobile phones, PDAs, wireless headsets, laptops, related peripherals, etc. By using the bluetooth technology, the communication between mobile communication terminal devices can be effectively simplified, and the communication between the devices and the Internet can also be successfully simplified, so that the data transmission becomes faster and more efficient, and the way is widened for wireless communication. In the prior art, although the bluetooth transmission is efficient, the signal transmission distance is short, and the signal is disconnected generally in four or five meters and about ten meters, so that the improvement space exists.
Disclosure of Invention
The present invention is directed to a circuit for high-performance bluetooth communication to solve the above problems.
The invention realizes the purpose through the following technical scheme:
the invention comprises a direct current power supply, first to third resistors, first to third capacitors, a triode, a switch, an antenna, a first inductor and a second inductor, wherein the first inductor and the second inductor are wound on a magnetic core with the diameter of 8mm, the positive pole of the direct current power supply is simultaneously connected with a tap of the second inductor, a collector of the triode and the first end of the first resistor, the negative pole of the direct current power supply is simultaneously connected with the first end of the first inductor, the first end of the third capacitor, the first end of the switch and the first end of the second resistor, the second end of the first resistor is simultaneously connected with the second end of the second resistor, the first end of the first capacitor and the base of the triode, the second end of the first capacitor is simultaneously connected with the first end of the second capacitor and the first end of the second inductor, the second end of the second capacitor is connected with the second end of the second inductor, and the emitter of the triode is simultaneously connected with the first end of the third resistor and the second end of the third capacitor, the second end of the third resistor is connected with the second end of the switch, and the second end of the first inductor is connected with the antenna.
Preferably, the first inductor and the second inductor are wound on a magnetic core with a diameter of 8mm, the direct current power supply is 9V, the first resistor is 3.3k Ω, the second resistor is 15k Ω, the third resistor is 3.6k Ω, the first capacitor is 10uF, the second capacitor is 47pF, the third capacitor is 0.01uF, the triode model is 3DG6B6, the first inductor is 5H, and the second inductor is 10H.
The invention has the beneficial effects that:
the invention is a high-performance bluetooth communication circuit, compared with the prior art, the invention mainly utilizes the interaction of the triode and the inductor to amplify, can transmit radio high-frequency carrier waves, has low power consumption and high amplification efficiency, can improve the transmission distance of bluetooth signals when being connected to a bluetooth signal transmitting end, and has the value of popularization and application because the transmission distance reaches 20-25 meters in an obstacle-free environment through measurement.
Drawings
Fig. 1 is a schematic diagram of the circuit configuration of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1: the invention comprises a direct current power supply, a first resistor R1 to a third resistor R3, a first capacitor C1 to a third capacitor C3, a triode VT, a switch S, an antenna TX, a first inductor L1 and a second inductor L2, wherein the first inductor L1 and the second inductor L2 are wound on a magnetic core with the diameter of 8mm, the positive pole of the direct current power supply is simultaneously connected with a tap of the second inductor L2, the collector of the triode VT and the first end of a first resistor R1, the negative pole of the direct current power supply is simultaneously connected with the first end of the first inductor L1, the first end of a third capacitor C3, the first end of the switch S and the first end of the second resistor R2, the second end of the first resistor R1 is simultaneously connected with the second end of the second resistor R2, the first end of the first capacitor C1 and the base of the triode VT, the second end of the first capacitor C1 is simultaneously connected with the second end of the second capacitor C2 and the second end of the second inductor L2, a second terminal of the second capacitor C2 is connected to a second terminal of the second inductor L2, an emitter of the transistor VT is simultaneously connected to a first terminal of the third resistor R3 and a second terminal of the third capacitor C3, a second terminal of the third resistor R3 is connected to a second terminal of the switch S, and a second terminal of the first inductor L1 is connected to the antenna TX.
The working principle of the invention is as follows:
selecting components: the first inductor and the second inductor are wound on a magnetic core with the diameter of 8mm, the direct-current power supply is 9V, the first resistor is 3.3k omega, the second resistor is 15k omega, the third resistor is 3.6k omega, the first capacitor is 10uF, the second capacitor is 47pF, the third capacitor is 0.01uF, the model of the triode is 3DG6B6, the first inductor is 5H, and the second inductor is 10H; the oscillation frequency is determined by the second inductor L2 and the second capacitor C2, the present invention is a modulation-free type, the switch S is pressed, the circuit starts oscillation, and the antenna TX radiates a high-frequency carrier wave into the air. The transmitting power of the circuit is only dozens of milliwatts, the transmitting range can reach 25-30 meters, and the transmitting distance of the Bluetooth signal is measured to be 20-25 meters after the circuit is combined with a signal transmitting end of the Bluetooth communication circuit.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A circuit of high performance bluetooth communication, its characterized in that: the direct current power supply comprises a direct current power supply, a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a triode, a switch, an antenna, a first inductor and a second inductor, wherein the first inductor and the second inductor are wound on a magnetic core with the diameter of 8mm, the positive pole of the direct current power supply is simultaneously connected with a tap of the second inductor, the collector of the triode and the first end of the first resistor, the negative pole of the direct current power supply is simultaneously connected with the first end of the first inductor, the first end of the third capacitor, the first end of the switch and the first end of the second resistor, the second end of the first resistor is simultaneously connected with the second end of the second resistor, the first end of the first capacitor and the base of the triode, the second end of the first capacitor is simultaneously connected with the first end of the second capacitor and the first end of the second inductor, the second end of the second capacitor is connected with the second end of the second inductor, and the emitter of the triode is simultaneously connected with the first end of the third resistor and the second end of the third capacitor, the second end of the third resistor is connected with the second end of the switch, and the second end of the first inductor is connected with the antenna.
2. The circuit of claim 1, wherein: the first inductance with the second inductance coiling is on a diameter 8 mm's magnetic core, DC power supply is 9V, first resistance is 3.3k omega, the second resistance is 15k omega, the third resistance is 3.6k omega, first electric capacity is 10uF, the second electric capacity is 47pF, the third electric capacity is 0.01uF, the triode model is 3DG6B6, first inductance is 5H, the second inductance is 10H.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362095.8A CN113890572A (en) | 2021-11-17 | 2021-11-17 | High-performance Bluetooth communication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362095.8A CN113890572A (en) | 2021-11-17 | 2021-11-17 | High-performance Bluetooth communication circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113890572A true CN113890572A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111362095.8A Pending CN113890572A (en) | 2021-11-17 | 2021-11-17 | High-performance Bluetooth communication circuit |
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| Country | Link |
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| CN (1) | CN113890572A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754479A (en) * | 2013-12-30 | 2015-07-01 | 天津华辰晟宏科技有限公司 | Wireless microphone for office meetings |
| CN106788492A (en) * | 2016-12-21 | 2017-05-31 | 龙立钦 | A kind of radio frequency modulation device |
| CN206640566U (en) * | 2017-04-18 | 2017-11-14 | 陕西理工大学 | A kind of wireless electron frequency modulation device |
-
2021
- 2021-11-17 CN CN202111362095.8A patent/CN113890572A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754479A (en) * | 2013-12-30 | 2015-07-01 | 天津华辰晟宏科技有限公司 | Wireless microphone for office meetings |
| CN106788492A (en) * | 2016-12-21 | 2017-05-31 | 龙立钦 | A kind of radio frequency modulation device |
| CN206640566U (en) * | 2017-04-18 | 2017-11-14 | 陕西理工大学 | A kind of wireless electron frequency modulation device |
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