CN108365859A - A kind of radio frequency communication devices - Google Patents
A kind of radio frequency communication devices Download PDFInfo
- Publication number
- CN108365859A CN108365859A CN201711478472.8A CN201711478472A CN108365859A CN 108365859 A CN108365859 A CN 108365859A CN 201711478472 A CN201711478472 A CN 201711478472A CN 108365859 A CN108365859 A CN 108365859A
- Authority
- CN
- China
- Prior art keywords
- capacitance
- wireless receiving
- triode
- receiving chip
- chip
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a kind of radio frequency communication devices, include the transmitting module for emitting signal and the receiving module for receiving signal, transmitting module includes the first resistor being connected with input signal, first resistor is connected with the base stage of the first triode, the base stage of first triode is also grounded through the first crystal oscillator, the emitter of first triode is through the first capacity earth, first capacitance both ends are parallel with the second capacitance, the collector of first triode is through the first inductance connection positive pole, the collector of first triode is connected through third capacitance with the emitting stage of the first triode, the collector of first triode is also connected with transmitting antenna；Receiving module includes reception antenna and wireless receiving chip the configuration of the present invention is simple, of low cost, has higher receiving sensitivity and stability, can ensure the stability of communication, be suitble to use in the wireless telecom equipment of various transmission ranges.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of radio frequency communication devices.
Background technology
With the rapid development of modern electronic technology, more and more communication products emerge, especially wireless telecommunications
The new product in field.Currently, wireless communication mode has the modes such as radio, infrared ray, microwave communication and radio transceiver,
In, the advantages of radio transceiver device is due to cheap, long transmission distance, it is widely used in the wireless telecommunications of low cost
In equipment.The frequency of oscillation stability and consistency of transmitting module in existing radio transceiver device are poor, are easy to make
It can not normal communication at tranmitting frequency generation offset.
Invention content
The purpose of the present invention is to provide a kind of radio frequency communication devices, it can ensure transmitting module and receiving module
The stability of frequency of oscillation ensures normal communication.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of radio frequency communication devices, include the transmitting module for emitting signal and the receiving module for receiving signal,
The transmitting module includes the first resistor being connected with input signal, and first resistor is connected with the base stage of the first triode, and first
The base stage of triode is also grounded through the first crystal oscillator, and the emitter of the first triode is through the first capacity earth, and the first capacitance both ends are simultaneously
It is associated with the second capacitance, the collector of the first triode is through the first inductance connection positive pole, and the collector of the first triode is through
Three capacitances are connected with the emitting stage of the first triode, and the collector of first triode is also connected with transmitting antenna；
The receiving module includes reception antenna and wireless receiving chip, reception antenna successively through the 4th capacitance and the 5th capacitance with
The radio frequency amplifier output end of wireless receiving chip is connected, the 6th capacity earth of common end of the 4th capacitance and the 5th capacitance,
6th capacitance both ends are parallel with the second inductance, the limiter feedback end and first comparator input terminal point of the wireless receiving chip
Not through the 7th capacitance and the 8th capacity earth, the mixer input of wireless receiving chip is successively through the second inductance, the 9th capacitance
Positive pole is connected with second resistance, the comparator zeroing end of wireless receiving chip and the second comparator input terminal are respectively through the tenth
Capacitance and the 11st capacity earth, the third comparator input terminal of the wireless receiving chip is through the 12nd capacitance and wireless receiving
The limiter input terminal of chip is connected, the first oscillator end of wireless receiving chip through third inductance and wireless receiving chip the
Two oscillator ends are connected, and third inductance both ends are parallel with the 13rd capacitance, and the first oscillator end of wireless receiving chip is also successively
It is connected with the second oscillator end of wireless receiving chip through the 14th capacitance and the 15th capacitance, the number of the wireless receiving chip
According to output end positive pole, the data output end output signal of wireless receiving chip are connected through 3rd resistor.
Preferably, the wireless receiving chip uses RX3310 wireless receiving chips.
The configuration of the present invention is simple, it is of low cost, it is communicated using wireless transmitter module and wireless receiving module, wirelessly
Transmitting module uses sound table resonator frequency stabilization so that the stability and consistency of the frequency of oscillation of transmitting module are preferable, wirelessly connect
It receives module and uses wireless receiving chip, there is higher receiving sensitivity and stability, can ensure the stability of communication, be suitble to
It is used in the wireless telecom equipment of various transmission ranges.
Description of the drawings
Fig. 1 is the circuit diagram of transmitting module of the present invention；
Fig. 2 is the circuit diagram of receiving module of the present invention.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described embodiment
Only section Example of the invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Other all embodiments that art personnel are obtained without making creative work belong to the protection model of the present invention
It encloses.
As shown in Figures 1 and 2, a kind of radio frequency communication devices of the present invention include the hair for emitting signal
Module and the receiving module for receiving signal are penetrated, transmitting module includes the first resistor R1 being connected with input signal, the first electricity
Resistance R1 is connected with the base stage of the first triode V1, and the base stage of the first triode V1 is also through the first crystal oscillator J1 ground connection, the first triode
For the emitter of V1 through the first capacitance C1 ground connection, the first both ends capacitance C1 are parallel with the second capacitance C2, the current collection of the first triode V1
The collector of pole the first inductance L1 connection positive poles VCC, the first triode V1 are through third capacitance C3 and the first triode V1
Emitting stage be connected, the collector of the first triode V1 is also connected with transmitting antenna ANT1.
Receiving module includes reception antenna and wireless receiving chip IC 1, and in the present embodiment, wireless receiving chip IC 1 is adopted
With RX3310 wireless receiving chips, reception antenna is successively through the 4th capacitance C4 and the 5th capacitance C5 and wireless receiving chip IC 1
Radio frequency amplifier output end（14 pins）It is connected, the 6th capacitance C6 ground connection of common end of the 4th capacitance C4 and the 5th capacitance C5,
6th both ends capacitance C6 are parallel with the second inductance L1, the limiter feedback end of wireless receiving chip IC 1（13 pins）With the first ratio
Compared with device input terminal（10 pins）Respectively through the 7th capacitance C7 and the 8th capacitance C8 ground connection, the frequency mixer of wireless receiving chip IC 1 is defeated
Enter end（17 pins）Positive pole VCC, wireless receiving core are connected with second resistance R2 through the second inductance L2, the 9th capacitance C9 successively
The comparator zeroing end of piece IC1（5 pins）With the second comparator input terminal（4 pins）Respectively through the tenth capacitance C10 and the 11st
Capacitance C11 ground connection, the third comparator input terminal of wireless receiving chip IC 1（3 pins）Through the 12nd capacitance C12 and wireless receiving
The limiter input terminal of chip IC 1（11 pins）It is connected, the first oscillator end of wireless receiving chip IC 1（1 pin）Through third
The second oscillator end of inductance L3 and wireless receiving chip IC 1（2 pins）It is connected, the both ends third inductance L3 are parallel with the 13rd electricity
Hold C13, the first oscillator end of wireless receiving chip IC 1（1 pin）Also successively through the 14th capacitance C14 and the 15th capacitance
The second oscillator end of C15 and wireless receiving chip IC 1（2 pins）It is connected, the data output end of wireless receiving chip IC 1（8 draw
Foot）Through 3rd resistor R3 connection positive pole VCC, the data output end of wireless receiving chip IC 1（8 pins）Output signal.
The configuration of the present invention is simple, it is of low cost, there is higher receiving sensitivity and stability, can ensure the steady of communication
It is qualitative, it is suitble to use in the wireless telecom equipment of various transmission ranges.
Claims (2)
1. a kind of radio frequency communication devices, it is characterised in that：It include transmitting module for emitting signal and for receiving letter
Number receiving module, the transmitting module includes the first resistor being connected with input signal, first resistor and the first triode
Base stage is connected, and the base stage of the first triode is also grounded through the first crystal oscillator, and the emitter of the first triode is through the first capacity earth, and the
One capacitance both ends are parallel with the second capacitance, and the collector of the first triode is through the first inductance connection positive pole, the first triode
Collector be connected with the emitting stage of the first triode through third capacitance, the collector of first triode also with transmitting antenna
It is connected；
The receiving module includes reception antenna and wireless receiving chip, reception antenna successively through the 4th capacitance and the 5th capacitance with
The radio frequency amplifier output end of wireless receiving chip is connected, the 6th capacity earth of common end of the 4th capacitance and the 5th capacitance,
6th capacitance both ends are parallel with the second inductance, the limiter feedback end and first comparator input terminal point of the wireless receiving chip
Not through the 7th capacitance and the 8th capacity earth, the mixer input of wireless receiving chip is successively through the second inductance, the 9th capacitance
Positive pole is connected with second resistance, the comparator zeroing end of wireless receiving chip and the second comparator input terminal are respectively through the tenth
Capacitance and the 11st capacity earth, the third comparator input terminal of the wireless receiving chip is through the 12nd capacitance and wireless receiving
The limiter input terminal of chip is connected, the first oscillator end of wireless receiving chip through third inductance and wireless receiving chip the
Two oscillator ends are connected, and third inductance both ends are parallel with the 13rd capacitance, and the first oscillator end of wireless receiving chip is also successively
It is connected with the second oscillator end of wireless receiving chip through the 14th capacitance and the 15th capacitance, the number of the wireless receiving chip
According to output end positive pole, the data output end output signal of wireless receiving chip are connected through 3rd resistor.
2. a kind of radio frequency communication devices as described in claim 1, it is characterised in that：The wireless receiving chip uses
RX3310 wireless receiving chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478472.8A CN108365859A (en) | 2017-12-29 | 2017-12-29 | A kind of radio frequency communication devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478472.8A CN108365859A (en) | 2017-12-29 | 2017-12-29 | A kind of radio frequency communication devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108365859A true CN108365859A (en) | 2018-08-03 |
Family
ID=63010540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478472.8A Withdrawn CN108365859A (en) | 2017-12-29 | 2017-12-29 | A kind of radio frequency communication devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365859A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115024899A (en) * | 2022-05-20 | 2022-09-09 | 小护士(天津)科技股份有限公司 | Automatic radio frequency signal panty-shape diapers based on bioelectricity |
| CN115987333A (en) * | 2023-03-16 | 2023-04-18 | 泉州艾奇科技有限公司 | Receiving circuit, transmitting circuit and communication system of broadband wireless micro-distance sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201084268Y (en) * | 2007-07-03 | 2008-07-09 | 宁波市鄞州东龙电子科技有限公司 | An electric window-opening remote-control device |
| CN202871062U (en) * | 2012-09-10 | 2013-04-10 | 安徽清大德人医疗科技股份有限公司 | Control device for cervical vertebra rehabilitation device |
| CN105023420A (en) * | 2015-08-10 | 2015-11-04 | 芜湖瑞泰精密机械有限公司 | Automatic remote control switch control system |
| CN106487274A (en) * | 2015-08-23 | 2017-03-08 | 由国峰 | A kind of novel pressure electric-type wireless launcher |
-
2017
- 2017-12-29 CN CN201711478472.8A patent/CN108365859A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201084268Y (en) * | 2007-07-03 | 2008-07-09 | 宁波市鄞州东龙电子科技有限公司 | An electric window-opening remote-control device |
| CN202871062U (en) * | 2012-09-10 | 2013-04-10 | 安徽清大德人医疗科技股份有限公司 | Control device for cervical vertebra rehabilitation device |
| CN105023420A (en) * | 2015-08-10 | 2015-11-04 | 芜湖瑞泰精密机械有限公司 | Automatic remote control switch control system |
| CN106487274A (en) * | 2015-08-23 | 2017-03-08 | 由国峰 | A kind of novel pressure electric-type wireless launcher |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115024899A (en) * | 2022-05-20 | 2022-09-09 | 小护士(天津)科技股份有限公司 | Automatic radio frequency signal panty-shape diapers based on bioelectricity |
| CN115987333A (en) * | 2023-03-16 | 2023-04-18 | 泉州艾奇科技有限公司 | Receiving circuit, transmitting circuit and communication system of broadband wireless micro-distance sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205986891U (en) | Wireless check out test set | |
| CN108365859A (en) | A kind of radio frequency communication devices | |
| CN210274425U (en) | UHF wireless transmitter takes bluetooth to receive and monitors musical instrument microphone with earphone | |
| CN110988784A (en) | Error verification system for electric energy metering equipment | |
| US10993305B2 (en) | Wireless receiving circuit and wireless control device | |
| CN203057115U (en) | Wireless remote-control emitter | |
| CN201477734U (en) | Micropower wireless remote control transmission circuit | |
| CN207460140U (en) | A kind of radiofrequency signal enhances transmission power circuit | |
| CN210640875U (en) | Novel SUB-1G wireless transmitting system structure | |
| CN204206115U (en) | A kind of amplifying circuit for wireless short wave transmitting antenna | |
| CN207518549U (en) | A kind of power amplification circuit for being used to communicate transmitter | |
| CN203057117U (en) | Wireless radio-frequency reception apparatus | |
| CN205249212U (en) | Wireless radio frequency transceiving ware | |
| CN108419180A (en) | A kind of wireless audio frequency transmission function processor | |
| CN107504645B (en) | Wireless communication module and air conditioner | |
| CN108173566A (en) | A kind of multi-way wireless remote controlling device | |
| CN205900794U (en) | Device is extended to LTE cell -phone antenna low -frequency range double resonance bandwidth | |
| CN212727015U (en) | Wireless transceiver module | |
| CN204408324U (en) | 433MHz wireless launcher | |
| CN204392182U (en) | Non-transformer micropower frequency modulation transponder | |
| CN219050287U (en) | Wireless connection system | |
| CN204498260U (en) | A kind of radio transmitter of vision signal | |
| CN214799475U (en) | Wireless network transmission circuit | |
| CN204244249U (en) | Mobile phone signal detector | |
| CN219610715U (en) | Coupler, coupling circuit thereof and communication equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180803 |
|
| WW01 | Invention patent application withdrawn after publication |