CN106464289B - 5.8G remote-wireless data transmission system - Google Patents
5.8G remote-wireless data transmission system Download PDFInfo
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- CN106464289B CN106464289B CN201580015900.6A CN201580015900A CN106464289B CN 106464289 B CN106464289 B CN 106464289B CN 201580015900 A CN201580015900 A CN 201580015900A CN 106464289 B CN106464289 B CN 106464289B
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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
- H04B1/38—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The invention proposes a kind of 5.8G remote-wireless data transmission systems, including communication interface circuit, 5.8G wireless transmit/receive units, first high frequency electronic switch unit, pattern switching control unit, 5.8G power amplification unit, preposition low noise amplification unit, second high frequency electronic switch unit, antenna and power supply power supply unit, data flow is sent to 5.8G wireless transmit/receive units by communication interface circuit, 5.8G wireless transmit/receive units are modulated into the data packet for meeting setting format, it generates pulse signal and sends it to pattern switching control unit, pattern switching control unit controls the first high frequency electronic switch unit according to pulse signal and the second high frequency electronic switch unit is switched to sending mode or reception pattern, power supply power supply unit is used to be powered for each unit in wireless system for transmitting data.Implement 5.8G remote-wireless data transmission system of the invention, has the advantages that anti-interference compared with strong, data are not easy to lose.
Description
Technical field
The present invention relates to field of data transmission, in particular to a kind of 5.8G remote-wireless data transmission system.
Background technique
Traditional technology when being received and dispatched to data, used in frequency range be all in 2.4G citizens' radio band, in this frequency range
Data can be emitted, data can also be received.It is too frequent due to being used with this frequency range, such as: it is blue
Tooth uses 2.4G frequency range, and what wifi was used is also 2.4G frequency range, and it is unclean to will result in 2.4G frequency range in this way.If nobody
If machine 2.4G frequency range, since everybody is with this frequency range, can thus there be interference, virtually packet loss is just very high,
Everybody all with 2.4G frequency range, will result in traffic rate sometimes and bandwidth be not achieved it is so high, after packet loss to data into
Row is retransmitted, for example interface bandwidth is 2M, after being disturbed, when retransmitting to data, can only may just send within 1 second the letter of 1M
Breath, because of frequent packet loss, losing will be retransmitted, and it is all useless to retransmit sometimes, and such data are just lost completely.So traditional number
According to transmitting-receiving anti-interference, poor, data are easily lost.
Summary of the invention
The technical problem to be solved in the present invention is that above-mentioned anti-interference for the prior art is poor, data are easily lost
Defect, provide a kind of anti-interference the 5.8G remote-wireless data transmission system not easy to lose compared with strong, data.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of 5.8G remote-wireless data transmission
System, including communication interface circuit, 5.8G wireless transmit/receive units, the first high frequency electronic switch unit, pattern switching control unit,
5.8G power amplification unit, preposition low noise amplification unit, the second high frequency electronic switch unit, antenna and power supply power supply unit,
Data flow is sent to the 5.8G wireless transmit/receive units by the communication interface circuit, and the 5.8G wireless transmit/receive units are by institute
It states data flow and is modulated into the data packet for meeting setting format, generate pulse signal and send it to the pattern switching control list
Member, the pattern switching control unit control the first high frequency electronic switch unit and the second high frequency according to the pulse signal
Electronic switch unit is accordingly switched to sending mode or reception pattern, and when being switched to the sending mode, the 5.8G is wireless
Transmit-Receive Unit by the data packet by the first high frequency electronic switch unit be sent to the 5.8G power amplification unit into
Row power amplification, the 5.8G power amplification unit send amplified signal by the second high frequency electronic switch unit
To the antenna, the antenna launches the amplified signal, when being switched to the reception pattern, the antenna
It receives 5.8G radiofrequency signal and preposition low noise amplification list is sent by the second high frequency electronic switch unit by it
Member, after the preposition low noise amplification unit carries out low level signal amplification to the 5.8G radiofrequency signal, and by amplified 5.8G
Radiofrequency signal is sent to the 5.8G wireless transmit/receive units, the power supply power supply list by the first high frequency electronic switch unit
Member respectively with the communications interface unit, 5.8G wireless transmit/receive units, 5.8G power amplification unit and preposition low noise amplification list
Member connects and for powering.
It further include for filtering interference signals in 5.8G remote-wireless data transmission system of the present invention
5.8G bandpass filter, one end of the 5.8G bandpass filter are connect with the second high frequency electronic switch unit, the other end
It is connect with the antenna.
In 5.8G remote-wireless data transmission system of the present invention, the communication interface circuit includes that USB connects
Mouth, serial ports and SPI interface, the 5.8G wireless transmit/receive units include 5.8G radio transmitting and receiving chip, the 5.8G wireless receiving and dispatching core
Piece is equipped with USB interface pin, serial ports pin and SPI interface pin, and the USB interface pin is connect with the USB interface, described
Serial ports pin is connect with the serial ports, and the SPI interface pin is connect with the SPI interface.
In 5.8G remote-wireless data transmission system of the present invention, the first high frequency electronic switch unit packet
The first high frequency electronic switch is included, the second high frequency electronic switch unit includes the second high frequency electronic switch, first high frequency
Electronic switch and the second high frequency electronic switch are all provided with there are six pin, the pattern switching control unit include the first triode,
Second triode, third transistor, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and the 16th electricity
Resistance, one end of the 4th resistance connect with the second pin of the 5.8G radio transmitting and receiving chip, the 4th resistance it is another
End is connect with the base stage of second triode, the collector of second triode respectively with the second resistance, first high
4th pin of band electronic switch, the 4th pin of the second high frequency electronic switch are connected with preposition low noise amplification unit, described
The collector of second triode is also connect by the 3rd resistor with the base stage of first triode, first triode
Emitter connect with the first resistor, the collector of first triode is connect with the 5.8G power amplification unit,
The collector of second triode is also connect by the 5th resistance with the base stage of the third transistor, and the described 3rd 3
The collector of pole pipe the 6th pin and the second high frequency electronic switch with the 16th resistance, the first high frequency electronic switch respectively
The 6th pin connection.
In 5.8G remote-wireless data transmission system of the present invention, the preposition low noise amplification unit includes
Pre-low-noise amplifier, radio frequency matching circuit and the 19th capacitor, the pre-low-noise amplifier are set there are six pin, institute
It states radio frequency matching circuit and includes the 7th capacitor, the 8th capacitor, the 13rd capacitor, the 14th capacitor and the 5th inductance, it is described preposition
The third pin of low-noise amplifier one end, one end of the 5th inductance and one end of the 8th capacitor with the 7th capacitor respectively
Connection, the other end of the 8th capacitor are connect with one end of one end of the 13rd capacitor and the 14th capacitor respectively, institute
The other end for stating the 14th capacitor is connect with the first pin of second high frequency electronic switch, the 7th capacitor it is another
The other end at end, the other end of the 5th inductance and the 13rd capacitor is grounded, the 4th pin of the pre-low-noise amplifier
It is connect by the 19th capacitor with the first pin of first high frequency electronic switch.
In 5.8G remote-wireless data transmission system of the present invention, the 5.8G power amplification unit includes
5.8G power amplifier, the 16th capacitor and the 32nd capacitor, the third pin of the 5.8G power amplifier pass through described
16th capacitor is connect with the third pin of first high frequency electronic switch, the 13rd pin of the 5.8G power amplifier
It is connect by the 32nd capacitor with the third pin of second high frequency electronic switch.
In 5.8G remote-wireless data transmission system of the present invention, the wireless system for transmitting data further includes
Radio frequency matching network, the radio frequency matching network include the 15th capacitor, the 17th capacitor, the 18th capacitor, the 27th electricity
Appearance, the first inductance, the second inductance and the 4th inductance, the first high frequency electronic switch unit further include the 48th capacitor, institute
The 4th pin for stating 5.8G radio transmitting and receiving chip is connect with one end of one end of the 15th capacitor and the first inductance respectively, institute
The other end for stating the 15th capacitor is connect with one end of second inductance, and the other end of second inductance is respectively with described
One end of 48 capacitors is connected with one end of the 17th capacitor, the other end and first high frequency of the 48th capacitor
5th pin of electronic switch connects, and the third pin of the 5.8G radio transmitting and receiving chip is another with first inductance respectively
End, the 18th capacitor one end connected with one end of the 4th inductance, the second pin of the 5.8G radio transmitting and receiving chip respectively with
The other end of 4th inductance, one end of the 27th capacitor are connected with one end of the 4th resistance, the 17th electricity
The other end of the other end of appearance, the other end of the 18th capacitor and the 27th capacitor is grounded.
In 5.8G remote-wireless data transmission system of the present invention, the number of the USB interface pin is two
A, the number of the serial ports pin is two, and the number of the SPI interface pin is four.
In 5.8G remote-wireless data transmission system of the present invention, the second high frequency electronic switch unit is also
Including the 21st capacitor, one end of the 5.8G bandpass filter passes through the 21st capacitor and second high-frequency electrical
5th pin of sub switch connects.
In 5.8G remote-wireless data transmission system of the present invention, the wireless system for transmitting data further includes
7th inductance, the antenna include the 20th capacitor and mutiple antennas terminal, and the other end of the 5.8G bandpass filter is successively
It is connect by the 7th inductance and the 20th capacitor with one of antenna terminal of the antenna.
Implement 5.8G remote-wireless data transmission system of the invention, has the advantages that due to using 5.8G
Wireless transmit/receive units carry out sending or receiving for data, thus avoid common 2.4G frequency range, 5.8G frequency range is comparatively
It is the clean frequency range of comparison, so its anti-interference is compared with strong, data are not easy to lose.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in 5.8G remote-wireless data transmission system one embodiment of the present invention；
Fig. 2 is the circuit knot of communication interface circuit, 5.8G wireless transmit/receive units and radio frequency matching network in the embodiment
Structure schematic diagram；
Fig. 3 is the electrical block diagram of pattern switching control unit in the embodiment；
Fig. 4 is the first high frequency electronic switch unit, preposition low noise amplification unit and the second high-frequency electrical in the embodiment
The electrical block diagram of sub switch unit；
Fig. 5 is the electrical block diagram of 5.8G power amplification unit in the embodiment；
Fig. 6 is the electrical block diagram of 5.8G bandpass filter and antenna in the embodiment；
Fig. 7 is the electrical block diagram of power supply power supply unit in the embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In 5.8G remote-wireless data transmission system embodiment of the present invention, 5.8G remote-wireless data transmission system
The structural schematic diagram of system is as shown in Figure 1.In Fig. 1, the operating frequency range of 5.8G remote-wireless data transmission system work
For 5.725G Hz-5.8G5G Hz.The 5.8G remote-wireless data transmission system include communication interface circuit 101,5.8G without
Line Transmit-Receive Unit 102, the first high frequency electronic switch unit 103, pattern switching control unit 104,5.8G power amplification unit
105, preposition low noise amplification unit 106, the second high frequency electronic switch unit 107, antenna 108 and power supply power supply unit 109,
In, 101 user of communication interface circuit inputs or output stream, the format of data flow is not required in the present embodiment, such as:
It can be the audio in 2M bandwidth, can also transmit the telecommand of remote controler, be also possible to MP3, bluetooth 2M bandwidth in
Data flow.Specifically, data flow is sent to 5.8G wireless transmit/receive units 102 by communication interface circuit 101,5.8G is wirelessly received
After bill member 102 receives the data flow, which is modulated into the data packet for meeting setting format, it, should in the present embodiment
Format is set as GFSK format, that is, to data stream carry out be GFSK modulation, modulated data packet is to meet GFSK lattice
The data packet of formula, this data packet for meeting GFSK format belong to 5.8G radiofrequency signal in fact.It is modulated into data stream
After data packet, software opens emission mode, and at this moment, 5.8G wireless transmit/receive units 102 generate pulse signal, and the pulse is believed
Number it is sent to pattern switching control unit 104, then, pattern switching control unit 104 controls the first high frequency according to pulse signal
Electronic switch unit 103 and the second high frequency electronic switch unit 107 are accordingly switched to sending mode or reception pattern, are worth mentioning
, when pulse signal is switched to low level moment, the first high frequency electronic switch unit 103 and the second high-frequency electrical by high level
Sub switch unit 107 is switched to sending mode simultaneously, when pulse signal is switched to by low level the moment of high level, the first high frequency
Electronic switch unit 103 and the second high frequency electronic switch unit 107 are switched to reception pattern simultaneously.Certainly, in the present embodiment
Under some cases, also can be set into it is opposite, when pulse signal is switched to low level moment, the first high-frequency electrical by high level
Sub switch unit 103 and the second high frequency electronic switch unit 107 are switched to reception pattern simultaneously, when pulse signal is cut by low level
It changes to the moment of high level, the first high frequency electronic switch unit 103 and the second high frequency electronic switch unit 107 are switched to hair simultaneously
Mode is sent, but at this moment, the circuit structure of pattern switching control unit 104 also will accordingly modify.
In the present embodiment, when the first high frequency electronic switch unit 103 and the second high frequency electronic switch unit 107 are switched to hair
When sending mode, 5.8G wireless transmit/receive units 102 send 5.8G power by the first high frequency electronic switch unit 103 for data packet
Amplifying unit 105 carries out power amplification, and amplified signal is passed through the second high frequency electronic switch by 5.8G power amplification unit 105
Unit 107 is sent to antenna 108, is launched amplified signal by antenna 108, when the first high frequency electronic switch unit
103 and the second high frequency electronic switch unit 107 when being switched to reception pattern, antenna 108 receives 5.8G radiofrequency signal, and will receive
5.8G radiofrequency signal preposition low noise amplification unit 106, preposition low noise are sent to by the second high frequency electronic switch unit 107
After sound amplifying unit 106 carries out low level signal amplification to 5.8G radiofrequency signal, and amplified 5.8G radiofrequency signal is passed through first
High frequency electronic switch unit 103 is sent to 5.8G wireless transmit/receive units 102, power supply power supply unit 109 respectively with communication interface list
Member 101,5.8G wireless transmit/receive units 102,5.8G power amplification unit 105 and the connection of preposition low noise amplification unit 106, are used in combination
In to communications interface unit 101,5.8G wireless transmit/receive units 102,5.8G power amplification unit 105 and preposition low noise amplification list
Member 106 is powered.Due to using 5.8G wireless transmit/receive units 102 to carry out sending or receiving for data, thus avoid common
Comparatively 2.4G frequency range, 5.8G frequency range are the clean frequency ranges of comparison, 5.8G band interference is smaller, thus its anti-interference compared with
By force, stability is preferable, data are not easy to lose.Meanwhile power amplification, such data are carried out using 5.8G power amplification unit 105
The distance of transmission will be remote, and by the preposition low noise amplification unit 106 of setting, small signal (useful signal) is amplified, this
Sample will improve received sensitivity.
In the present embodiment, which further includes 5.8G bandpass filter BF2, the 5.8G
Bandpass filter BF2 is used for filtering interference signals, one end of 5.8G bandpass filter BF2 and the second high frequency electronic switch unit
107 connections, the other end are connect with antenna 108.By filtering interference signals, thus can further improve received sensitive
Degree.In the present embodiment, which further includes radio frequency matching network 111, radio frequency matching network
111 connect with 5.8G wireless transmit/receive units 102 and the first high frequency electronic switch unit 103 respectively.
Fig. 2 is the circuit structure of communication interface circuit, 5.8G wireless transmit/receive units and radio frequency matching network in the present embodiment
Schematic diagram；Fig. 3 is the electrical block diagram of pattern switching control unit in the present embodiment；Fig. 4 is high in the present embodiment first
The electrical block diagram of band electronic switch unit, preposition low noise amplification unit and the second high frequency electronic switch unit；Fig. 5 is
The electrical block diagram of 5.8G power amplification unit in the present embodiment；Fig. 6 is 5.8G bandpass filter and day in the present embodiment
The electrical block diagram of line；Fig. 7 is the electrical block diagram of power supply power supply unit in the present embodiment.
As shown in Fig. 2, communication interface circuit 101 includes USB interface J1, serial ports and SPI interface, there are two serial ports, respectively
For first serial P20 and second serial P21, there are four SPI interfaces, respectively the first SPI interface P04, the second SPI interface P05,
Third SPI interface P06 and the 4th SPI interface P07,5.8G wireless transmit/receive units 102 include 5.8G radio transmitting and receiving chip U1,5.8G
Radio transmitting and receiving chip U1 is equipped with USB interface pin, serial ports pin and SPI interface pin, and the number of USB interface pin is two,
Respectively the 15th pin and the 16th pin, the number of serial ports pin are two, respectively the 27th pin and the 20th
Eight pins, the number of SPI interface pin are four, respectively the 22nd pin, the 23rd pin, the 24th pin and
25th pin.USB interface pin is connect with USB interface J1, serial ports pin and serial ports P20, P21, SPI interface pin with
SPI interface P04, P05, P06, P07 connection.It is noted that USB interface J1, serial ports and SPI interface are all in the present embodiment
It is two-way.In the present embodiment, the price of 5.8G radio transmitting and receiving chip U1 is relatively cheap, can reduce cost in this way.
As shown in Figure 3 and Figure 4, the first high frequency electronic switch unit 103 includes the first high frequency electronic switch U8, the second high frequency
Electronic switch unit 107 includes the second high frequency electronic switch U3, the first high frequency electronic switch U8 and the second high frequency electronic switch U3
Be all provided with there are six pin, pattern switching control unit 104 include the first triode Q1, the second triode Q2, third transistor Q3,
First resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5 and the 16th resistance R16, the 4th electricity
One end of resistance R4 is connect with the second pin of 5.8G radio transmitting and receiving chip U1, the other end of the 4th resistance R4 and the second triode Q2
Base stage connection, the collector of the second triode Q2 respectively with second resistance R2, the first high frequency electronic switch U8 the 4th pin,
The 4th pin of second high frequency electronic switch U3 and the connection of preposition low noise amplification unit 106, the collector of the second triode Q2
It is also connect by 3rd resistor R3 with the base stage of the first triode Q1, the emitter and first resistor R1 of the first triode Q1 connects
It connects, the collector of the first triode Q1 is connect with 5.8G power amplification unit 102, and the collector of the second triode Q2 also passes through
Five resistance R5 are connect with the base stage of third transistor Q3, the collector of third transistor Q3 respectively with the 16th resistance R16, first
The 6th pin connection of the 6th pin and the second high frequency electronic switch U3 of high frequency electronic switch U8.It is noted that this reality
It applies in example, the first triode Q1 is PNP type triode, and the second triode Q2 is NPN type triode, and third transistor Q3 is NPN
Type triode.
In the present embodiment, when being high level at the T0R1, at T1R0 being low level, the 4th of the first high frequency electronic switch U8 the
Pin and the 4th pin of the second high frequency electronic switch U3 are also turned on, and at this moment switch to sending mode, are low electricity at T0R1
When being high level at flat, T1R0, the 6th pin of the 6th pin and the second high frequency electronic switch U3 of the first high frequency electronic switch U8
It is also turned on, at this moment switches to reception pattern.The automatic switchover of sending mode and reception pattern thus may be implemented.
As shown in figure 4, preposition low noise amplification unit 106 includes pre-low-noise amplifier U2, radio frequency matching circuit
1061 and the 19th capacitor C19, pre-low-noise amplifier U2 are set there are six pin, and radio frequency matching circuit 1061 includes the 7th electricity
Hold C7, the 8th capacitor C8, the 13rd capacitor C13, the 14th capacitor C14 and the 5th inductance L5, pre-low-noise amplifier U2's
Third pin is connect with one end of the 7th capacitor C7, one end of the 5th inductance L5 and one end of the 8th capacitor C8 respectively, the 8th electricity
The other end for holding C8 is connect with one end of one end of the 13rd capacitor C13 and the 14th capacitor C14 respectively, the 14th capacitor C14
The other end connect with the first pin of the second high frequency electronic switch U3, the other end of the 7th capacitor C7, the 5th inductance L5 it is another
The other end of one end and the 13rd capacitor C13 are grounded, and the 4th pin of pre-low-noise amplifier U2 passes through the 19th capacitor
C19 is connect with the first pin of the first high frequency electronic switch U8.
As shown in figure 5,5.8G power amplification unit 105 includes 5.8G power amplifier U5, the 16th capacitor C16 and third
The third pin of 12 capacitor C32,5.8G power amplifier U5 passes through the 16th capacitor C16's and the first high frequency electronic switch U8
The connection of third pin, the 13rd pin of 5.8G power amplifier U5 are opened by the 32nd capacitor C32 with the second high-frequency electronic
Close the third pin connection of U3.
As shown in Fig. 2, in the present embodiment, radio frequency matching network 111 include the 15th capacitor C15, the 17th capacitor C17,
18th capacitor C18, the 27th capacitor C27, the first inductance L1, the second inductance L2 and the 4th inductance L4, the first high-frequency electronic
Switch unit 103 further includes the 48th capacitor C48, the 4th pin of 5.8G radio transmitting and receiving chip U1 respectively with the 15th capacitor
One end of C15 is connected with one end of the first inductance L1, and the other end of the 15th capacitor C15 is connect with one end of the second inductance L2,
The other end of second inductance L2 is connect with one end of one end of the 48th capacitor C48 and the 17th capacitor C17 respectively, and the 40th
The other end of eight capacitor C48 is connect with the 5th pin of the first high frequency electronic switch 103, the third of 5.8G radio transmitting and receiving chip U1
Pin is connect with the other end of the first inductance L1, one end of the 18th capacitor C18 and one end of the 4th inductance L4 respectively, 5.8G without
The second pin of line transceiving chip U1 is electric with the other end of the 4th inductance L4, one end of the 27th capacitor C27 and the 4th respectively
Hinder one end connection of R4, the other end of the 17th capacitor C17, the other end of the 18th capacitor C18 and the 27th capacitor C27
The other end is grounded.
As shown in figure 4, the second high frequency electronic switch unit 107 further includes the 21st capacitor C21,5.8G bandpass filter
One end of BF2 is connect by the 21st capacitor C21 with the 5th pin of the second high frequency electronic switch U3.
As shown in fig. 6, the 5.8G remote-wireless data transmission system further includes the 7th inductance L7, antenna 108 includes the
The other end of 20 capacitor C20 and mutiple antennas terminal, 5.8G bandpass filter BF2 passes sequentially through the 7th inductance L7 and the 20th
It capacitor C20 and is connect with one of antenna terminal (third antenna terminal) of antenna 108.
As shown in fig. 7,5V voltage is dropped to 3.3V voltage by power-supplying circuit 109, and pressure stabilizing is in 3.3V voltage, in addition to
Except power supply, pressure stabilization function is also acted as.
In short, in the present embodiment, due to using 5.8G wireless transmit/receive units 102 to carry out sending or receiving for data, this
Sample just avoids common 2.4G frequency range, comparatively 5.8G frequency range is the clean frequency range of comparison, thus its anti-interference compared with
By force, data are not easy to lose.Meanwhile the price of the 5.8G radio transmitting and receiving chip U1 in 5.8G wireless transmit/receive units 102 is inexpensively,
Which reduce costs.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of 5.8G remote-wireless data transmission system, which is characterized in that including communication interface circuit, 5.8G wireless receiving and dispatching
Unit, the first high frequency electronic switch unit, pattern switching control unit, 5.8G power amplification unit, preposition low noise amplification list
Member, the second high frequency electronic switch unit, antenna and power supply power supply unit, data flow are sent to institute by the communication interface circuit
5.8G wireless transmit/receive units are stated, the data flow is modulated into the data for meeting setting format by the 5.8G wireless transmit/receive units
Packet generates pulse signal and sends it to the pattern switching control unit, and the pattern switching control unit is according to
Pulse signal controls the first high frequency electronic switch unit and the second high frequency electronic switch unit is accordingly switched to sending mode
Or reception pattern, when being switched to the sending mode, the data packet is passed through described the by the 5.8G wireless transmit/receive units
One high frequency electronic switch unit is sent to the 5.8G power amplification unit and carries out power amplification, the 5.8G power amplification unit
The antenna is sent by the second high frequency electronic switch unit by amplified signal, the antenna will be after the amplification
Signal launch, when being switched to the reception pattern, the antenna receive 5.8G radiofrequency signal simultaneously it is passed through it is described
Second high frequency electronic switch unit is sent to the preposition low noise amplification unit, and the preposition low noise amplification unit is to described
After 5.8G radiofrequency signal carries out low level signal amplification, and amplified 5.8G radiofrequency signal is passed through into first high frequency electronic switch
Unit is sent to the 5.8G wireless transmit/receive units, the power supply power supply unit respectively with the communications interface unit, 5.8G without
Line Transmit-Receive Unit, 5.8G power amplification unit connect with preposition low noise amplification unit and are used to power；
The communication interface circuit includes USB interface, serial ports and SPI interface, the 5.8G wireless transmit/receive units include 5.8G without
Line transceiving chip, the 5.8G radio transmitting and receiving chip are equipped with USB interface pin, serial ports pin and SPI interface pin, the USB
Interface pin is connect with the USB interface, and the serial ports pin is connect with the serial ports, the SPI interface pin and the SPI
Interface connection；
The first high frequency electronic switch unit includes the first high frequency electronic switch, and the second high frequency electronic switch unit includes
Second high frequency electronic switch, first high frequency electronic switch and the second high frequency electronic switch are all provided with there are six pin, the mould
Formula switch control unit includes the first triode, the second triode, third transistor, first resistor, second resistance, third electricity
The of resistance, the 4th resistance, the 5th resistance and the 16th resistance, one end of the 4th resistance and the 5.8G radio transmitting and receiving chip
The connection of two pins, the other end of the 4th resistance are connect with the base stage of second triode, the collection of second triode
Electrode respectively with the second resistance, the 4th pin of the first high frequency electronic switch, the second high frequency electronic switch the 4th pin
It is connected with preposition low noise amplification unit, the collector of second triode also passes through the 3rd resistor and the described 1st
The base stage of pole pipe connects, and the emitter of first triode is connect with the first resistor, the current collection of first triode
Pole is connect with the 5.8G power amplification unit, and the collector of second triode also passes through the 5th resistance and described the
The base stage of three triodes connects, and the collector of the third transistor is opened with the 16th resistance, the first high-frequency electronic respectively
The 6th pin connection of the 6th pin and the second high frequency electronic switch that close；First triode is NPN type triode, the two or three pole
Pipe is PNP type triode, and third transistor is PNP type triode；The emitter of second triode and third transistor
Emitter is grounded.
2. 5.8G remote-wireless data transmission system according to claim 1, which is characterized in that further include for filtering out
The 5.8G bandpass filter of interference signal, one end of the 5.8G bandpass filter and the second high frequency electronic switch unit connect
It connects, the other end is connect with the antenna.
3. 5.8G remote-wireless data transmission system according to claim 1, which is characterized in that the preposition low noise
Amplifying unit includes pre-low-noise amplifier, radio frequency matching circuit and the 19th capacitor, and the pre-low-noise amplifier is set
There are six pin, the radio frequency matching circuit includes the 7th capacitor, the 8th capacitor, the 13rd capacitor, the 14th capacitor and the 5th
Inductance, the third pin of the pre-low-noise amplifier respectively with one end of the 7th capacitor, the 5th inductance one end and
One end of 8th capacitor connects, the other end of the 8th capacitor respectively with one end of the 13rd capacitor and the 14th capacitor
One end connection, the other end of the 14th capacitor connect with the first pin of second high frequency electronic switch, described the
The other end of the other end of seven capacitors, the other end of the 5th inductance and the 13rd capacitor is grounded, the preposition low noise amplification
4th pin of device is connect by the 19th capacitor with the first pin of first high frequency electronic switch.
4. 5.8G remote-wireless data transmission system according to claim 3, which is characterized in that the 5.8G power is put
Big unit includes 5.8G power amplifier, the 16th capacitor and the 32nd capacitor, and the third of the 5.8G power amplifier is drawn
Foot is connect by the 16th capacitor with the third pin of first high frequency electronic switch, the 5.8G power amplifier
13rd pin is connect by the 32nd capacitor with the third pin of second high frequency electronic switch.
5. 5.8G remote-wireless data transmission system according to claim 4, which is characterized in that the wireless data passes
Defeated system further includes radio frequency matching network, and the radio frequency matching network includes the 15th capacitor, the 17th capacitor, the 18th electricity
Appearance, the 27th capacitor, the first inductance, the second inductance and the 4th inductance, the first high frequency electronic switch unit further include
48 capacitors, the 4th pin of the 5.8G radio transmitting and receiving chip respectively with one end of the 15th capacitor and the first inductance
One end connection, the other end of the 15th capacitor connect with one end of second inductance, second inductance it is another
End is connect with one end of one end of the 48th capacitor and the 17th capacitor respectively, the other end of the 48th capacitor
Connect with the 5th pin of first high frequency electronic switch, the third pin of the 5.8G radio transmitting and receiving chip respectively with it is described
The other end of first inductance, the 18th capacitor one end connected with one end of the 4th inductance, the 5.8G radio transmitting and receiving chip
Second pin connects with one end of the other end of the 4th inductance, one end of the 27th capacitor and the 4th resistance respectively
It connects, the other end, the other end of the 18th capacitor and the other end of the 27th capacitor of the 17th capacitor are grounded.
6. 5.8G remote-wireless data transmission system according to claim 1, which is characterized in that the USB interface draws
The number of foot is two, and the number of the serial ports pin is two, and the number of the SPI interface pin is four.
7. 5.8G remote-wireless data transmission system according to claim 2, which is characterized in that second high-frequency electrical
Sub switch unit further includes the 21st capacitor, and one end of the 5.8G bandpass filter passes through the 21st capacitor and institute
State the 5th pin connection of the second high frequency electronic switch.
8. 5.8G remote-wireless data transmission system according to claim 7, which is characterized in that the wireless data passes
Defeated system further includes the 7th inductance, and the antenna includes the 20th capacitor and mutiple antennas terminal, the 5.8G bandpass filter
The other end pass sequentially through the 7th inductance and the 20th capacitor is connect with one of antenna terminal of the antenna.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/093771 WO2017075769A1 (en) | 2015-11-04 | 2015-11-04 | 5.8g long-distance wireless data transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106464289A CN106464289A (en) | 2017-02-22 |
| CN106464289B true CN106464289B (en) | 2019-07-05 |
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| CN201580015900.6A Active CN106464289B (en) | 2015-11-04 | 2015-11-04 | 5.8G remote-wireless data transmission system |
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| Country | Link |
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| CN (1) | CN106464289B (en) |
| WO (1) | WO2017075769A1 (en) |
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| CN108632792B (en) * | 2017-12-08 | 2024-02-09 | 百富计算机技术（深圳）有限公司 | Novel bluetooth circuit and POS machine |
| CN107947765B (en) * | 2017-12-26 | 2023-11-28 | 深圳市强军科技有限公司 | Multi-frequency continuous pulse wave transmitting device |
| CN108429567B (en) * | 2018-03-20 | 2023-07-14 | 国网浙江杭州市富阳区供电有限公司 | Terminal for acquiring carrier gain |
| CN108429555A (en) * | 2018-05-08 | 2018-08-21 | 绍兴心越科技有限公司 | A kind of wireless sensor network multi-band remote communication board |
| CN110061765B (en) * | 2019-04-17 | 2021-03-23 | 南京濠暻通讯科技有限公司 | 5G onboard double 2X 2MIMO wireless control system |
| CN109936638A (en) * | 2019-04-18 | 2019-06-25 | 成都鑫芯电子科技有限公司 | Low-consumption irrigating controller based on agriculture Internet of Things |
| CN111079458B (en) * | 2019-12-13 | 2023-06-06 | 安徽九陆生物科技有限公司 | IC card swiping system |
| CN111446931A (en) * | 2020-03-18 | 2020-07-24 | 西安电子科技大学 | Bidirectional power amplifier applied to 320 MHz-420 MHz |
| CN111784996A (en) * | 2020-07-01 | 2020-10-16 | 思翼科技（深圳）有限公司 | Unmanned aerial vehicle remote control method adaptive to bandwidth |
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Also Published As
| Publication number | Publication date |
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| WO2017075769A1 (en) | 2017-05-11 |
| CN106464289A (en) | 2017-02-22 |
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