CN105490699B - A kind of highly integrated communication unit circuit - Google Patents
A kind of highly integrated communication unit circuit Download PDFInfo
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- CN105490699B CN105490699B CN201510979405.9A CN201510979405A CN105490699B CN 105490699 B CN105490699 B CN 105490699B CN 201510979405 A CN201510979405 A CN 201510979405A CN 105490699 B CN105490699 B CN 105490699B
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- circuit
- radio
- communication unit
- modulation
- demodulation
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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
- H04B1/40—Circuits
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
- H04B2001/7154—Interference-related aspects with means for preventing interference
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a kind of highly integrated communication unit circuit, it is highly integrated digital circuit, modulation-demodulation circuit, radio circuit, interface circuit and power circuit is on a circuit board.By using highly integrated electronic circuit, compact-sized printed circuit board layout, the EMC Design of reasonably optimizing solves the electromagnetic compatibility problem of multi-frequency, multi-signal, multiple interfaces on one piece of board, realizes the Highgrade integration of communication unit circuit module.The communication unit is equally applicable to different communications bands, the band selecting filter of wherein radio circuit is only needed replacing on hardware, with integrated level height, it is small in size, it is light-weight, the advantages that stable and reliable for performance, is highly suitable to be applied in the current communications field to miniaturization, and the designs such as power consumption have in the various communication systems of strict requirement.
Description
Technical field
The present invention relates to highly integrated communication unit circuit a kind of in the communications field, the body suitable for field of microwave communication
Product, weight, the limited Miniaturization Design communication system of power consumption.
Background technique
With the fast development of modern aerospace communication and missile-borne communication system, the appearance of various special-purpose equipments,
By space, weight, the influence of many factors such as power consumption, to miniaturization, unitized communication system has urgent need.Therefore
Telecommunication circuit minimizes optimization design, and the application of highly integrated chip and advanced technological level promote entire equipment
Progress of miniaturization.Digital circuit and analog circuit, which are integrated in one piece of printed board, can greatly reduce the size of equipment, but
It is the realization that crosstalk between high-frequency signal and low frequency signal in printed board can largely effect on communication function.Even with current
It has developed into ripe Micro-package technique and reduces equipment volume, however it remains the problem of this electromagnetic compatibility.Therefore, this height
The design of integrated communication unit circuit is communication system miniaturization, high stability, high integration, a weight of high-performance development
Want research direction.
Summary of the invention
The purpose of the present invention is to provide a kind of highly integrated communication unit circuits, have small in size, low-power consumption, reliably
Property high, the advantages that function is complete.It overcomes since the electromagnetic compatibility problem of high-frequency circuit and low-frequency channel influences whole system
Structure size is difficult to the problem of reducing.Design uses reasonable compact electromagnetism after highly integrated circuit design, and optimization
Compatible design and structure design, so that the size of whole printed circuit board greatly reduces, circuit reliability is improved.In addition, low function
The use of device is consumed so that circuit power consumption is low, so that ensure that stablizing for circuit performance is realized under the premise of reducing volume.
The object of the present invention is achieved like this: a kind of highly integrated communication unit circuit, it include digital circuit 1,
Modulation-demodulation circuit 2, radio circuit 3, interface circuit 4, power circuit 5；It is characterized by: by the circuit knot of a variety of different function
Structure is combined using certain printed board EMC design with highly integrated circuit, enables entire communication unit
Enough realize that function is complete, the small feature of structural volume；The data of uplink processing are carried out for being sent into communication unit, interface circuit 4
Upstream data output port is connected with the upstream data input port of digital circuit 1；The upstream data delivery outlet of digital circuit 1 with
The modulated signal input port of modulation-demodulation circuit 2 is connected；The modulated signal delivery outlet and radio circuit 3 of modulation-demodulation circuit 2
Transmitting branch input port be connected；The transmitting branch radio frequency delivery outlet of radio circuit 3 is connected with external T/R and antenna,
Complete the transmitting of uplink；The data of downlink processing are carried out for being sent into communication unit, antenna receives wireless signal to outer
The T/R component set is subsequently input to the radiofrequency signal input port of radio circuit 3；The intermediate-freuqncy signal delivery outlet and tune of radio circuit 3
The demodulated signal input port of system demodulation 2 is connected；The demodulated signal delivery outlet of modulation /demodulation 2 and the downlink signal of digital circuit 1
Input port is connected；The downlink data delivery outlet of digital circuit 1 is connected with the downlink data input port of interface circuit 4；Downlink
Data will be exported to peripheral equipment by interface circuit 4, complete the reception of downlink；Power circuit 5 is respectively with above four
Partial circuit is connected as its power supply.
Wherein, digital circuit 1, modulation-demodulation circuit 2 and radio circuit 3 in PCB layout using certain physics every
From method be connected.
Wherein, the circuit for receiving circuit and using highly integrated local vibration source in radio circuit 3.
Wherein, the transmit circuit in radio circuit 3 is using the quadrature modulation circuit for integrating local oscillator.
Wherein, the automatic gain control circuit of two-way intermediate frequency Larger Dynamic range is integrated in radio circuit 3.
Wherein, it is received in circuit and transmit circuit in radio circuit 3 and all has controllable attenuation control circuit.
Wherein, circuit is received in radio circuit 3 joined detecting circuit.
The present invention has the following advantages over the background art:
1. the present invention collects digital circuit, modulation-demodulation circuit, radio circuit, interface circuit and power circuit synthesis
On the printed circuit board of Cheng Yuyi eight layers of size smaller (100mm × 100mm).So that the volume of entire functional circuit with again
Amount, power consumption greatly reduce, and the reliability of circuit gets a promotion, what the volume and weight that can be widely applied to multiple frequency ranges were limited
In communication equipment.
2. radio circuit of the invention uses highly integrated circuit devcie and combines compact circuit-board laying-out, realize
Two-way receiving channel and two-way transmission channel are integrated in same printed board, pass through reasonable EMC Design and circuit layout
So that will not interfere with each other between channel each other, high performance communication capacity is realized.
3, integrated circuit of the invention is while volume reduces, and guarantees that communication function is complete, still through optimization circuit
Parameter realizes jamproof frequency hopping communications function.
4, circuit of the invention can extend to different frequencies, different signals.
5. the connection between all circuits of the invention is all made of printed board cabling, using reasonable low frequency and high-frequency signal
The method of isolation, good EMC Design avoid high-frequency signal and the mutual interference of low frequency signal, and are not required to
Intermediate-freuqncy signal connector is wanted, saves very large space size and weight, and saved cost, improves the reliable of circuit
Property.
6. the present invention has very high integrated level, stable and reliable for performance and small in size, light-weight, maintains easily and adjust
Examination.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the embodiment of the present invention.
Fig. 2 is the hardware realization block diagram of transmission channel in the radio circuit of circuit of the present invention.
Fig. 3 is the hardware realization block diagram of receiving channel in the radio circuit of circuit of the present invention.
Specific embodiment
Referring to Fig.1, the present invention is by digital circuit 1, modulation-demodulation circuit 2, radio circuit 3, interface circuit 4 and power supply
Circuit 5 forms.Fig. 1 is schematic block circuit diagram of the invention.By the circuit structure of a variety of different function, using certain printed board
EMC design is combined with highly integrated circuit, so that entire communication unit can be realized function complete, structural body
The small feature of product；The data of uplink processing, the upstream data output port and number of interface circuit 4 are carried out for being sent into communication unit
The upstream data input port of word circuit 1 is connected；The modulation of the upstream data delivery outlet and modulation-demodulation circuit 2 of digital circuit 1
Signal input is connected；The modulated signal delivery outlet of modulation-demodulation circuit 2 is connected with the transmitting branch input port of radio circuit 3
It connects；The transmitting branch radio frequency delivery outlet of radio circuit 3 is connected with external T/R and antenna, completes the transmitting of uplink；
The data of downlink processing are carried out for being sent into communication unit, antenna receives wireless signal to external T/R component, subsequently input to
The radiofrequency signal input port of radio circuit 3；The intermediate-freuqncy signal delivery outlet of radio circuit 3 and the demodulated signal of modulation /demodulation 2 input
Mouth is connected；The demodulated signal delivery outlet of modulation /demodulation 2 is connected with the downlink signal input port of digital circuit 1；Digital circuit 1
Downlink data delivery outlet be connected with the downlink data input port of interface circuit 4；Downlink data will be exported by interface circuit 4
To peripheral equipment, the reception of downlink is completed；Power circuit 5 is connected as its power supply with above four partial circuit respectively.
The major function of digital circuit 1 of the present invention is to handle the digital information inputted from interface circuit 4, is compared,
It forms useful transmitted data signal and gives modulation-demodulation circuit 3.And the digital demodulated signal received is handled, is solved
Code send to interface circuit 4 and exports.In addition, digital circuits section is also that radio circuit 3 and modulation-demodulation circuit 2 provide monitoring function
Energy.Digital circuit 1 and modulation-demodulation circuit 2 are mainly realized using the fpga chip of one piece of ARTEL company.
The main function of modulation-demodulation circuit 2 of the present invention is that upstream data is carried out to QPSK modulation to become modulated simulation letter
Number, output to radio circuit 3.Meanwhile the intermediate-freuqncy signal for exporting radio circuit 3 carries out digital demodulation, output to digital circuit 1
Realize effective data communication.
The main function of radio circuit 3 of the present invention is that the modulated signal of modulation-demodulation circuit 2 is carried out to up-conversion, filtering,
T/R component is sent into after amplification, by power amplifier, antenna is launched.It is then that will receive to T/R group for receiving channel
The signal of part, is filtered, down coversion, and modulation-demodulation circuit 2 is sent into after automatic growth control and is demodulated.Radio circuit is logical
Believe that performance, frequency restricts, and makes volume limited, not easy of integration by communication function in element circuit.In this communication unit,
Signal is moved from radio frequency into using the highly integrated phase-locked loop of RFMD company production and the frequency converter RFFC5072 of VCO
Frequently.The quadrature modulator RFMD2080 that up-conversion also uses the highly integrated frequency synthesizer of another money of RFMD company is realized.
Meanwhile automatic gain control circuit is introduced, it is realized by the automatic gain control circuit AD8367 of pre-attenuator and two-stage cascade
Big dynamic range.
The effect of interface circuit 4 of the present invention is that upstream data and downlink data are passed through interface conversion circuit as letter appropriate
Number level is sent into digital circuit.It reliably inputs and exports to realize external with the data for communicating printed board.In addition, external
Power supply is sent into power circuit 5 also through this partial circuit.
The effect of power circuit 5 of the present invention is to provide stabilization for entire digital circuit and artificial circuit part, linear reliable
Power supply.It is that the power supply introduced from interface circuit is carried out to linear voltage stabilization and is filtered to export different voltage+5V ,+3.3V,
+ 1.2V, -1.2V.
Working principle of the invention is as follows:
This communication unit circuit uses the operating mode of time division duplex.When system is in emission state, interface circuit is received
To upstream data, it will be sent into digital processing circuit by the data information of interface circuit, converted by interface, caching, entangles at multiple connection
Output is to modulation-demodulation circuit after miscoding.Useful information is by being input to the transmission channel of radio circuit after modulation.Transmitting is logical
Realize emission function as shown in Figure 2 in road.Baseband signal is carried out orthogonal modulation by radio circuit, is put after frequency conversion by filtering and in advance
Greatly.Meanwhile the control that numerical-control attenuator realizes transmission power being added in the channel.Finally pass through external power amplifier, antenna
It is radiated to space.When system is in reception state, antenna receives spatial and next signal, is sent into external T/R component
It is filtered and low noise amplification.Then, receiving channel realizes receive capabilities as shown in Figure 3, and radiofrequency signal is through under frequency converter
It is converted to intermediate-freuqncy signal.It is defeated that filtering and automatic growth control by intermediate-freuqncy signal are amplified to stable IF signal levels
Out.The intermediate-freuqncy signal is carried out QPSK demodulation by modem module.The downlink data input digital circuit of demodulation output is had
With data information, the transmission of useful signal is completed by interface circuit.Wherein radio circuit is sent out by two-way receiving channel and two-way
Channel composition is penetrated, is communicated using time division duplex operation mode.
During the realization of circuit, the highly integrated of the circuit is mainly realized using following circuits design method.1,
Using integrated phase lock and the radio frequency frequency changer circuit and quadrature modulation circuit of VCO circuit, while substantially reducing volume
It ensure that the complete of circuit function；2, all electronic circuits and passive circuit devices are all made of smallest in current electronic product
Change and the stable encapsulating structure of performance；3, analog circuit and digital circuit are integrated in same printed board, analog signal and number
The EMC Design for the signal wire for mutually controlling and monitoring between signal；4, crystal oscillating circuit needs to be arranged in printed circuit board
On, it cannot be accessed separately through connector.5, the printing of other shieldings for cabling between radiofrequency signal, isolation and protection
The design of plate cabling.6, the optimization of printed circuit board plate circuit stacks sequence, guarantee while preventing the crosstalk between unlike signal
The distance of analog signal ground connection.Except above several circuit design methods, there are also the PCB Electric Circuit Electromagnetic Compatibilities of more detail to design
Skill needs to pay attention to.
Based on the rational design of the above circuit, entire communication unit circuit is 2.0mm in an overall thickness, and lamination number is eight
It is realized in the FR4 medium printed board of layer.Tow sides fabric swatch, printing board overall dimensions are 100mm*100mm, wherein simulation electricity
Road part is about 60mm*100mm, and digital circuits section is about 40mm*100mm.Connector uses the micro- rectangular receptacle of aviation-grade
J63A-2F2-021-431-TH。
The communication unit circuit may be implemented the data that external data is exported by RS-485 interface and carry out interface transformation, slow
Deposit, multiple connection, Error Correction of Coding, output is inputted to the hair channel intermediate frequency of analog circuit after modulation, information is emitted using hair channel
It sends out.On the other hand, can also realize by the intermediate-freuqncy signal demodulation of the medium frequency output end of artificial circuit part receiving channel output,
It is exported after error-correcting decoding, tap, caching, interface transformation by RS-485 interface.In addition, this printing board also has various monitoring
The functions such as instruction, including transmitting-receiving control, state-detection, losing lock alarm, level indicating.Make this compact-sized in this way, function is complete
Whole communication unit has stronger versatility and reliability.
Claims (4)
1. a kind of highly integrated communication unit circuit, it includes digital circuit (1), modulation-demodulation circuit (2), radio circuit
(3), interface circuit (4), power circuit (5)；It is characterized by: the circuit structure of above-mentioned a variety of different function is using printed board electricity
Magnetic compatible design method is combined with highly integrated circuit；The data of uplink processing, module are carried out for being sent into communication unit
The upstream data output port of middle interface circuit (4) is connected with the upstream data input port of digital circuit (1)；Digital circuit
(1) upstream data delivery outlet is connected with the modulated signal input port of modulation-demodulation circuit (2)；Modulation-demodulation circuit (2)
Modulated signal delivery outlet is connected with the transmitting branch input port of radio circuit (3)；The transmitting branch radio frequency of radio circuit (3) is defeated
Outlet is connected with external T/R and antenna, completes the transmitting of uplink；Downlink processing is carried out for being sent into communication unit
Data, antenna receive wireless signal to external T/R component, subsequently input to the radiofrequency signal input port of radio circuit (3)；
The intermediate-freuqncy signal delivery outlet of radio circuit (3) is connected with the demodulated signal input port of modulation /demodulation (2)；Modulation /demodulation (2)
Demodulated signal delivery outlet is connected with the downlink signal input port of digital circuit (1)；The downlink data delivery outlet of digital circuit (1)
It is connected with the downlink data input port of interface circuit (4)；Downlink data will be exported by interface circuit (4) to peripheral equipment,
Complete the reception of downlink；Power circuit (5) is connected as its power supply with above four partial circuit respectively；Wherein, number electricity
The effect on road (1) is to handle the digital information inputted from interface circuit (4), is compared, and useful transmitting data letter is formed
Number modulation-demodulation circuit (3) are given, and the digital demodulated signal received is handled, decoded, send to interface circuit (4)
Output；In addition, digital circuits section is also that radio circuit (3) and modulation-demodulation circuit (2) provide monitoring function；Entire communication unit
First circuit is 2.0mm in an overall thickness, is realized in the FR4 medium printed board that lamination number is eight layers, tow sides fabric swatch, printing
Board overall dimensions are 100mm*100mm；
Digital circuit (1), modulation-demodulation circuit (2) and the radio circuit (3) uses certain object in PCB layout
The method of reason isolation is connected；The circuit for receiving circuit and using highly integrated local vibration source in radio circuit (3), transmit circuit are adopted
With the quadrature modulation circuit of integrated local oscillator.
2. the highly integrated communication unit circuit of one kind according to claim 1, it is characterised in that: in radio circuit (3)
It is integrated with the automatic gain control circuit of two-way intermediate frequency Larger Dynamic range.
3. the highly integrated communication unit circuit of one kind according to claim 1, it is characterised in that: in radio circuit (3)
It receives in circuit and transmit circuit and all has controllable attenuation control circuit.
4. the highly integrated communication unit circuit of one kind according to claim 1, it is characterised in that: in radio circuit (3)
Receiving in circuit joined detecting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979405.9A CN105490699B (en) | 2015-12-24 | 2015-12-24 | A kind of highly integrated communication unit circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979405.9A CN105490699B (en) | 2015-12-24 | 2015-12-24 | A kind of highly integrated communication unit circuit |
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| Publication Number | Publication Date |
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| CN105490699A CN105490699A (en) | 2016-04-13 |
| CN105490699B true CN105490699B (en) | 2019-01-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201467124U (en) * | 2009-08-06 | 2010-05-12 | 中国电子科技集团公司第五十四研究所 | Multi-mode compatible channel machine |
| CN101902240A (en) * | 2008-11-20 | 2010-12-01 | 熊猫电子集团有限公司 | Setting method of miniaturized structure of satellite communication portable station |
| CN102684735A (en) * | 2012-06-07 | 2012-09-19 | 北京星远隆兴电子科技有限责任公司 | Radio frequency receiving-sending device |
| CN205304790U (en) * | 2015-12-24 | 2016-06-08 | 中国电子科技集团公司第五十四研究所 | High integrated communication unit circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3961498B2 (en) * | 2004-02-27 | 2007-08-22 | 松下電器産業株式会社 | High frequency circuit equipment |
-
2015
- 2015-12-24 CN CN201510979405.9A patent/CN105490699B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902240A (en) * | 2008-11-20 | 2010-12-01 | 熊猫电子集团有限公司 | Setting method of miniaturized structure of satellite communication portable station |
| CN201467124U (en) * | 2009-08-06 | 2010-05-12 | 中国电子科技集团公司第五十四研究所 | Multi-mode compatible channel machine |
| CN102684735A (en) * | 2012-06-07 | 2012-09-19 | 北京星远隆兴电子科技有限责任公司 | Radio frequency receiving-sending device |
| CN205304790U (en) * | 2015-12-24 | 2016-06-08 | 中国电子科技集团公司第五十四研究所 | High integrated communication unit circuit |
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| CN105490699A (en) | 2016-04-13 |
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