CN206341218U - Satellite communication transceiver - Google Patents
Satellite communication transceiver Download PDFInfo
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- CN206341218U CN206341218U CN201621363839.2U CN201621363839U CN206341218U CN 206341218 U CN206341218 U CN 206341218U CN 201621363839 U CN201621363839 U CN 201621363839U CN 206341218 U CN206341218 U CN 206341218U
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Abstract
The utility model is related to a kind of transceiver of satellite communication.The transceiver includes：Receive and dispatch IF interface, receiving unit, transmitter unit and orthomode coupler unit；Receiving unit and transmitter unit are respectively connecting to the transmitting-receiving IF interface；Receiving unit and transmitter unit are further connected to orthomode coupler unit；Transmitter unit receives the first intermediate-freuqncy signal from transmitting-receiving IF interface, the first intermediate-freuqncy signal upconversion process is obtained into the first high-frequency signal, first high-frequency signal is launched through orthomode coupler unit；Orthomode coupler unit receives the second high-frequency signal from satellite, by second high frequency signal transmission to receiving unit；Second high-frequency signal down-converted is the second intermediate-freuqncy signal by receiving unit, is launched the second intermediate-freuqncy signal by receiving and dispatching IF interface, so be can be good at realizing that transceiver is connected by single cable with miscellaneous equipment, effectively reduce cost of arranging net.
Description
Technical field
The utility model is related to satellite communication field, more particularly to a kind of satellite communication transceiver.
Background technology
Satellite communication is exactly briefly to be utilized on the earth between the radio communication station on (including in ground and lower atmosphere layer)
The communication that satellite is then carried out in.Satellite communication system is made up of satellite and earth station two parts.The characteristics of satellite communication
It is：Communication range is big；As long as in the range of the electric wave of satellite launch is covered, can all be communicated between any 2 points；
It is difficult to be influenceed (reliability is high) by Land disaster；The frequency range of satellite communication has C-band, Ku wave bands and Ka wave bands.Transceiver
Refer to the equipment for receiving satellite-signal and transmitting radiofrequency signal, be operate on microwave frequency band (5~30GHz) satellite communication
The important component of system.Sender is for being modulated, being formed modulated to produced carrier signal by information signal
Carrier wave, then antenna is fed to through frequency conversion, amplification, satellite is transmitted into electromagnetic wave.Receiver is that reception satellite is modulated wireless
Electric wave and the equipment for being transformed into raw information.
Traditional satellite communication transceiver is usually what paired cable was connected, and a cable provides emission medium-frequency, BUC (on
Frequency-converter power amplifier) part 10MHz references and power, another cable is used for transmitting reception intermediate frequency and to LNB (low noises
Sound low-converter) power supply is provided, due to being connected using paired cable, in actual applications, cost of arranging net is larger.
Utility model content
Based on this, it is necessary to connect the problem of cost of arranging net is larger for paired cable and believe there is provided a kind of satellite communication transmitting-receiving
Machine.
A kind of transceiver of satellite communication, including：Receive and dispatch IF interface, receiving unit, transmitter unit and orthogonal mode coupling
Clutch unit；Receiving unit and transmitter unit are respectively connecting to the transmitting-receiving IF interface；Receiving unit and transmitter unit also divide
Orthomode coupler unit is not connected to；Transmitter unit receives the first intermediate-freuqncy signal from transmitting-receiving IF interface, by first
Frequency signal upconversion process obtains the first high-frequency signal, and first high-frequency signal is launched through orthomode coupler unit；
Orthomode coupler unit receives the second high-frequency signal from satellite, by second high frequency signal transmission to receiving unit；
Second high-frequency signal down-converted is the second intermediate-freuqncy signal by receiving unit, by receiving and dispatching IF interface by the second intermediate-freuqncy signal
Launch.
The beneficial effect of this programme：The transmitter unit of transceiver receives the first intermediate frequency letter from transmitting-receiving IF interface
Number, it is the first high-frequency signal by the first intermediate-freuqncy signal upconversion process, most the first high-frequency signal is launched at last；Receiving unit
It is the second intermediate-freuqncy signal by the second high-frequency signal down-converted, is launched the second intermediate-freuqncy signal by receiving and dispatching IF interface
Go, so can be good at realizing that transceiver is connected by single cable with miscellaneous equipment, effectively reduce cost of arranging net.
Brief description of the drawings
Fig. 1 is the schematic diagram of the transceiver of the satellite communication of an embodiment；
Fig. 2 is the schematic diagram of the transceiver of the satellite communication of another embodiment；
Fig. 3 is the schematic diagram of the transmitter unit of Fig. 2 embodiments；
Fig. 4 is the schematic diagram of the receiving unit of Fig. 2 embodiments.
Embodiment
In order to further illustrate the effect of the technological means of the invention taken and acquirement, below in conjunction with the accompanying drawings and preferably
Embodiment, to technical scheme, carries out clear and complete description.
Transceiver of the present utility model has plurality of application scenes, and the transceiver of following examples is connected to radio station and defended
Between star, for transmitting IF (Intermediate Frequency, intermediate frequency) signal.Wherein, IF intermediate-freuqncy signals refer to that high frequency is believed
A kind of signal for obtaining number by frequency conversion.
Fig. 1 is a kind of schematic diagram of the transceiver of satellite communication of an embodiment.As shown in figure 1, one kind is defended
The transceiver of star communication, including：Receive and dispatch IF interface 100, receiving unit 300, transmitter unit 200 and orthomode coupler list
Member 400；Receiving unit 300 and transmitter unit 200 are respectively connecting to the transmitting-receiving IF interface 100；Receiving unit 300 and transmitting
Unit 200 is further connected to orthomode coupler unit；Transmitter unit 200 receives first from transmitting-receiving IF interface 100
Intermediate-freuqncy signal, obtains the first high-frequency signal, first high-frequency signal is through orthogonal mode coupling by the first intermediate-freuqncy signal upconversion process
Clutch unit 400 is launched；Orthomode coupler unit 400 receives the second high-frequency signal from satellite, by described second
High frequency signal transmission is to receiving unit 300；Second high-frequency signal down-converted is the second intermediate-freuqncy signal by receiving unit 300,
Second intermediate-freuqncy signal is launched by receiving and dispatching IF interface 100.
In the present embodiment, radio station is through receiving and dispatching IF interface 100 and transceiver list cable connection.The first intermediate frequency letter in radio station
Number it is sent to the transmitter unit 200 of transceiver by cable, the first intermediate-freuqncy signal upconversion process is the by transmitter unit 200
One high-frequency signal, first high-frequency signal is sent to the orthomode coupler unit 400, orthomode coupler unit
First high-frequency signal is transmitted into exterior space by 400 through antenna, by satellite reception.The second high-frequency signal that satellite is sent is through antenna
Received by orthomode coupler unit 400, the second high-frequency signal is sent to receiving unit 300 by orthomode coupler unit 400,
Second high-frequency signal down-converted is the second intermediate-freuqncy signal by receiving unit 300, and the second intermediate-freuqncy signal is sent into transmitting-receiving
IF interface 100, then through cable transmission to radio station.
As a preferred embodiment, the transceiver also includes local oscillator unit；Local oscillator unit connects the transmitting-receiving intermediate frequency
Interface；Local oscillator unit is also connected with transmitter unit, receiving unit respectively；Local oscillator unit is received from transmitting-receiving IF interface 100
Low frequency reference signal, and low frequency reference signal is transformed into the first high frequency reference signal and the second high frequency reference signal, and by
One high frequency reference signal is sent to transmitter unit, and the second high frequency reference signal is sent into receiving unit.The local oscillator unit bag
Phaselocked loop is included, for low frequency reference signal to be transformed into the first high frequency reference signal and the second high frequency reference signal.Ginseng
The optimized frequency for examining signal is 10MHz.
As a preferred embodiment, transceiver also includes power subsystem；Power subsystem respectively with receiving unit 300, hair
Unit 200 is penetrated to connect；Power subsystem receives the high voltage direct current source signal from transmitting-receiving IF interface 100, and by HVDC
Power supply signal is converted into low-voltage DC source signal, for being powered to receiving unit 300, transmitter unit 200.
As a preferred embodiment, transceiver also includes communication unit；Communication unit is used to receive from transmitting-receiving intermediate frequency
The signal of communication of interface 100, tranmitting frequency, receives frequency, transmitting gain and inquiry to set the transceiver are received
The state of sender.Communication unit can be with FSK (Frequency-shift keying, frequency shift keying) or ASK
(Amplitude Shift Keying, amplitude-shift keying) mode transmits signal of communication and receiving and transmitting signal is configured.Wherein, amplitude shift
Keying (ASK) is equivalent to the amplitude modulation in analog signal, and what is be only multiplied with CF signal is binary numeral.FSK is frequently
It is to change to transmit digital information using the frequency of carrier wave to move keying.It is to remove key using the discrete characteristics taking value of baseband digital signal
Carrier frequency is controlled with a kind of digital modulation technique of transmission information.
The transmitter unit of the transceiver of the present embodiment receives the first intermediate-freuqncy signal from transmitting-receiving IF interface, by first
Intermediate-freuqncy signal upconversion process is the first high-frequency signal, and most the first high-frequency signal is launched at last；Receiving unit is high by second
Frequency signal down-converted is the second intermediate-freuqncy signal, is launched the second intermediate-freuqncy signal by receiving and dispatching IF interface, such energy
It is enough to realize that transceiver is connected by single cable with miscellaneous equipment, effectively reduces cost of arranging net well.
Fig. 2 is a kind of schematic diagram of the transceiver of satellite communication of another embodiment.As shown in Fig. 2 a kind of
The transceiver of satellite communication, including：Receive and dispatch IF interface 100, receiving unit 300, transmitter unit 200 and orthomode coupler
Unit 400；Receiving unit 300 and transmitter unit 200 are respectively connecting to the transmitting-receiving IF interface 100；Receiving unit 300 and hair
Penetrate unit 200 and be further connected to orthomode coupler unit；Transmitter unit 200 receives the from transmitting-receiving IF interface 100
One intermediate-freuqncy signal, obtains the first high-frequency signal, first high-frequency signal is through orthogonal mode by the first intermediate-freuqncy signal upconversion process
Coupler unit 400 is launched；Orthomode coupler unit 400 receives the second high-frequency signal from satellite, by described
Two high frequency signal transmissions are to receiving unit 300；Receiving unit 300 believes the second high-frequency signal down-converted for the second intermediate frequency
Number, second intermediate-freuqncy signal is launched by receiving and dispatching IF interface 100.Local oscillator unit 500 is received from transmitting-receiving IF interface
100 low frequency reference signal, and low frequency reference signal is transformed into the first high frequency reference signal and the second high frequency reference signal, and
First high frequency reference signal is sent to transmitter unit 200, the second high frequency reference signal is sent to receiving unit 300.Lock phase
Ring is used to low frequency reference signal being transformed into the first high frequency reference signal and the second high frequency reference signal.Power subsystem
600 connect with receiving unit 300, transmitter unit 200 respectively；Power subsystem 600 receives the high pressure from transmitting-receiving IF interface 100
DC power signal, and high voltage direct current source signal is converted into low-voltage DC source signal, for receiving unit 300, hair
Unit 200 is penetrated to power.Communication unit 700 is used to receive the signal of communication from transmitting-receiving IF interface 100, to set the receipts
The tranmitting frequency of sender, receives frequency, the state of transmitting gain and query transceiver.
In the present embodiment, Fig. 3 is the schematic diagram of the transmitter unit 200 of Fig. 2 embodiments；As shown in figure 3, transmitting is single
Member 200 includes：Intermediate frequency amplifying unit 210, filter unit 220, upconverting unit 230 and the high-frequency amplifying unit being sequentially connected with
240；Intermediate frequency amplifying unit 210 and transmitting-receiving IF interface 100 are connected, and intermediate frequency amplifying unit 210 is also connected with filter unit 220,
Filter unit 220 is also connected with upconverting unit 230, and upconverting unit 230 is additionally coupled to high-frequency amplifying unit 240, local oscillator list
Member 500 and upconverting unit 230 are connected；The first intermediate-freuqncy signal from transmitting-receiving IF interface 100 is sequentially through intermediate frequency amplifying unit
210 enhanced processing and 220 filtering process of filter unit obtain the first intermediate frequency amplification signal, and upconverting unit 230 is based on this
The first high frequency reference signal that the unit 500 that shakes is provided carries out upconversion process to first intermediate frequency amplification signal, obtains first
Up-conversion signal, and the first up-conversion signal is sent to high-frequency amplifying unit 240；The up-conversion of high-frequency amplifying unit 240 first
Signal carries out power amplification and obtains the first high-frequency signal.
In the present embodiment, Fig. 4 is the schematic diagram of the receiving unit 300 of Fig. 2 embodiments；As shown in figure 4, receiving single
Member 300 includes：Low noise amplifier circuit 310, filter circuit 320 and the lower frequency changer circuit 330 being sequentially connected with；Low noise amplification electricity
Road 310 receives the second high-frequency signal from orthomode coupler unit 400, and the second high-frequency signal enhanced processing is obtained into second
High frequency amplification signal, filter circuit 320 is sent to by the second High frequency amplification signal, and filter circuit 320 believes the second High frequency amplification
Number filtering process obtains the second High frequency filter signal, and the second High frequency filter signal is sent into lower frequency changer circuit 330, down coversion
Second High frequency filter signal is carried out down-converted by the second high frequency reference signal that circuit 330 is provided based on local oscillator unit, is obtained
To the second intermediate-freuqncy signal.
As a preferred embodiment, communication unit 700 is used to receive the signal of communication from transmitting-receiving IF interface 100, uses
With the state of the tranmitting frequency, receives frequency, transmitting gain and the query transceiver that set the transceiver.Communication unit
700 can (Amplitude Shift Keying, shake with FSK (Frequency-shift keying, frequency shift keying) or ASK
Width keying) mode transmits signal of communication and receiving and transmitting signal configured.Wherein, amplitude shift keying (ASK) is equivalent in analog signal
Amplitude modulation, what is be only multiplied with CF signal is binary numeral.FSK frequency shift keyings are changed using the frequency of carrier wave
To transmit digital information.It is to go keyed carrier frequency using the discrete characteristics taking value of baseband digital signal with one kind of transmission information
Digital modulation technique.
The transmitter unit of the transceiver of the present embodiment receives the first intermediate-freuqncy signal from transmitting-receiving IF interface, based on upper
Reference signal is stated to being the first high-frequency signal by the first intermediate-freuqncy signal upconversion process, most the first high-frequency signal is launched at last
Go；Second high-frequency signal down-converted is the second intermediate-freuqncy signal by receiving unit, by receiving and dispatching IF interface by the second intermediate frequency
Signal is launched, and communication unit sets tranmitting frequency, receives frequency, transmitting gain and the query transceiver of transceiver
State, so can be good at realizing that transceiver is connected by single cable with miscellaneous equipment, effectively reduce and arrange net into
This, reduces fault rate.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of transceiver of satellite communication, it is characterised in that including：Receive and dispatch IF interface, receiving unit, transmitter unit and
Orthomode coupler unit；
Receiving unit and transmitter unit are respectively connecting to the transmitting-receiving IF interface；Receiving unit and transmitter unit are also respectively connected with
To orthomode coupler unit；
Transmitter unit receives the first intermediate-freuqncy signal from transmitting-receiving IF interface, and the first intermediate-freuqncy signal upconversion process is obtained into the
One high-frequency signal, first high-frequency signal is launched through orthomode coupler unit；
Orthomode coupler unit receives the second high-frequency signal from satellite, by second high frequency signal transmission to receiving list
Member；Second high-frequency signal down-converted is the second intermediate-freuqncy signal by receiving unit, by receiving and dispatching IF interface by the second intermediate frequency
Signal is launched.
2. the transceiver of satellite communication according to claim 1, it is characterised in that also include：Local oscillator unit；Local oscillator list
The member connection transmitting-receiving IF interface；Local oscillator unit is also connected with transmitter unit, receiving unit respectively；
Local oscillator unit receives the low frequency reference signal from transmitting-receiving IF interface, and low frequency reference signal is transformed into the first high frequency
Reference signal and the second high frequency reference signal, and the first high frequency reference signal is sent to transmitter unit, by the second high frequency references
Signal is sent to receiving unit.
3. the transceiver of satellite communication according to claim 2, it is characterised in that the local oscillator unit includes：Lock phase
Ring；
Phaselocked loop, for low frequency reference signal to be transformed into the first high frequency reference signal and the second high frequency reference signal.
4. the transceiver of satellite communication according to claim 2, it is characterised in that transmitter unit includes：It is sequentially connected with
Intermediate frequency amplifying unit, filter unit, upconverting unit and high-frequency amplifying unit；The local oscillator unit and upconverting unit connect
Connect；
The filter of enhanced processing and filter unit of the first intermediate-freuqncy signal from transmitting-receiving IF interface sequentially through intermediate frequency amplifying unit
Ripple processing obtains the first intermediate frequency amplification signal, and the first high frequency reference signal that upconverting unit is provided based on local oscillator unit is to described
First intermediate frequency amplification signal carries out upconversion process, obtains the first up-conversion signal, and the first up-conversion signal is sent into height
Frequency amplifying unit；The progress power amplification of first up-conversion signal is obtained the first high-frequency signal by high-frequency amplifying unit.
5. the transceiver of satellite communication according to claim 1, it is characterised in that receiving unit includes：It is sequentially connected with
Low noise amplifier circuit, filter circuit and lower frequency changer circuit；
Low noise amplifier circuit receives the second high-frequency signal from orthomode coupler unit, at the second high-frequency signal amplification
Reason obtains the second High frequency amplification signal, the second High frequency amplification signal is sent into filter circuit, filter circuit puts the second high frequency
Big signal filtering processing obtains the second High frequency filter signal, and the second High frequency filter signal is sent into lower frequency changer circuit, lower change
Second High frequency filter signal is carried out down-converted by the second high frequency reference signal that frequency circuit is provided based on local oscillator unit, is obtained
Second intermediate-freuqncy signal.
6. the transceiver of satellite communication according to claim 1, it is characterised in that also include：Power subsystem；
The power subsystem connects the transmitting-receiving IF interface；Power subsystem is also connected with receiving unit, transmitter unit respectively；
Power subsystem receives the high voltage direct current source signal from transmitting-receiving IF interface, and high voltage direct current source signal is converted into
Low-voltage DC source signal, for being powered to receiving unit, transmitter unit.
7. the transceiver of satellite communication according to claim 1, it is characterised in that also include：Communication unit；It is described logical
Believe that unit connects the transmitting-receiving IF interface；
Communication unit is used to receive the signal of communication from transmitting-receiving IF interface, to set the transmitting of the transceiver frequently
Rate, receives frequency, the state of transmitting gain and query transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363839.2U CN206341218U (en) | 2016-12-12 | 2016-12-12 | Satellite communication transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621363839.2U CN206341218U (en) | 2016-12-12 | 2016-12-12 | Satellite communication transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206341218U true CN206341218U (en) | 2017-07-18 |
Family
ID=59300596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621363839.2U Expired - Fee Related CN206341218U (en) | 2016-12-12 | 2016-12-12 | Satellite communication transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206341218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981135A (en) * | 2019-04-23 | 2019-07-05 | 四川众为创通科技有限公司 | Terahertz is the same as transmitting-receiving full duplex multi-carrier communications systems |
-
2016
- 2016-12-12 CN CN201621363839.2U patent/CN206341218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981135A (en) * | 2019-04-23 | 2019-07-05 | 四川众为创通科技有限公司 | Terahertz is the same as transmitting-receiving full duplex multi-carrier communications systems |
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