CN107979388A - A kind of wave filter group device of ultrashort wave broadband transceiver - Google Patents
A kind of wave filter group device of ultrashort wave broadband transceiver Download PDFInfo
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- CN107979388A CN107979388A CN201711474376.6A CN201711474376A CN107979388A CN 107979388 A CN107979388 A CN 107979388A CN 201711474376 A CN201711474376 A CN 201711474376A CN 107979388 A CN107979388 A CN 107979388A
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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
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Transceivers (AREA)
Abstract
The invention belongs to ultra short wave communication equipment technical field, disclose a kind of docking for broad-band channel receiver and transmitter radio frequency receiving front-end transmitting end collect mail number and transmitting signal carry out frequency-selecting, filtering process ultrashort wave broadband transceiver wave filter group device, the device of the support broad-band channel and duplex channel includes：It is used for realization the 1st electronic switch, the 2nd electronic switch, the 3rd electronic switch, the 4th electronic switch of transceiver pattern and reiving/transmitting state switching；It is used for realization the duplexer to work under satellite communication dual-mode；It is used for realization the filter amplifier group that ultrashort wave broad-band channel pattern receives the channel docking collection of letters number filtering and amplification；It is used for realization subrane harmonic filter of the ultrashort wave broad-band channel Mode Launch channel to transmitting signal filtering.
Description
Technical field
The invention belongs to ultra short wave communication equipment technical field, more particularly to a kind of filtering of ultrashort wave broadband transceiver
Device group device, for broad-band channel transceiver receiving front-end transmitting end docking collect mail number and transmitting signal carry out frequency-selecting,
The wave filter group device of filtering process.
Background technology
With the continuous development of Ultra-short Wave Communication Technique and communication technology of satellite, it can realize wide-band ultra short wave communication and defend
There is broad-band channel, the communication equipment of duplex channel to come into being for star communication.Continuous due to external electromagnetic environment deteriorates, frequency
Rate resource finiteness, in order to preferably receive the useful signal of user's concern, needs in such receiver and transmitter radio frequency receiving front-end
Dock the collection of letters number and carry out frequency-selecting, filtering process；In order to reduce influence of the unnecessary electromagnetic radiation to other communication equipments, need
To launch signal to receiver and transmitter radio frequency to carry out filtering out harmonic wave and spuious processing.There is such application demand, in the design
With regard to needing a kind of VHF/UHF frequency ranges broadband filter group device.Application in the past in design to wave filter is more conventional, has no such
Form complicated wave filter group.
The content of the invention
A kind of in view of the above-mentioned problems, wave filter assembling it is an object of the invention to provide ultrashort wave broadband transceiver
Put, realize broadband, duplex channel transceiver to wideband received signal and launch the frequency-selecting of signal, filter；Receive, transmitting letter
Matching between road and antenna, improves reception and emission effciency；The foundation of duplex channel during satellite duplex communication；In difference
Channel switching under pattern.
To reach above-mentioned purpose, the present invention is realised by adopting the following technical scheme.
A kind of wave filter group device of ultrashort wave broadband transceiver, described device are arranged on ultrashort wave broadband transceiver
Inside, for connecting ultrashort wave broadband transceiver and radio-frequency antenna；Transmitting is provided with the ultrashort wave broadband transceiver
Channel mouth, receive channel mouth, and radio-frequency antenna mouth is provided with the radio-frequency antenna；
Described device includes：First electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch, partial wave
Section harmonic filter, filter amplifier group, duplexer and control first electronic switch, the second electronic switch, the 3rd electricity
The controller of the on off state of sub switch and the 4th electronic switch；
First electronic switch and second electronic switch are respectively multy-way switching electronic switch, the 3rd electronics
Switch and the 4th electronic switch are respectively two-way switching electronic switch；
First electronic switch, for by the radio-frequency antenna mouth respectively with the subrane harmonic filter, described
Duplexer is connected with the filter amplifier group；
Second electronic switch, for the 4th electronic switch to be connected with the subrane wave filter；
3rd electronic switch, for by the duplexer and the filter amplifier group respectively with the reception channel
Mouth connection；
4th electronic switch, for by the launch channel mouth respectively with second electronic switch, the duplex
Device connects.
The characteristics of technical solution of the present invention and further it is improved to：
(1) the ultrashort wave broadband transceiver includes two kinds of operating modes：Ultrashort wave broad-band channel pattern, satellite communication
Dual-mode；
When the ultrashort wave broadband transceiver is ultrashort wave broad-band channel pattern reception state, radio frequency receiving signal according to
It is secondary to pass through radio-frequency antenna mouth, the first electronic switch, filter amplifier group, the 3rd electronic switch and reception channel mouth；
When the ultrashort wave broadband transceiver is ultrashort wave broad-band channel Mode Launch state, radio frequency transmissions according to
It is secondary by launch channel mouth, the 4th electronic switch, the second electronic switch, subrane harmonic filter, the first electronic switch and to penetrate
Frequency antenna opening；
When the ultrashort wave broadband transceiver is satellite communication dual-mode, radio frequency receiving signal passes sequentially through radio frequency
Antenna opening, the first electronic switch, duplexer, the 3rd electronic switch, reception channel mouth；Radio frequency transmissions pass sequentially through transmitting letter
Road junction, the 4th electronic switch, duplexer, the first electronic switch and radio-frequency antenna mouth.
(2) three radio frequency mouths are provided with the duplexer, are respectively combining mouth, emission port and receiving port；The duplex
Device is enabled in the case where ultrashort wave broadband transceiver is satellite communication dual-mode；
The duplexer includes：First adaptation, emission bandpass wave filter, combiner, the second adaptation, combining mouth, connect
Take-up bandpass filter, the first low-noise amplifier, sound watchband bandpass filter；
In the duplexer, radio frequency transmissions pass sequentially through emission port, the first adaptation, emission bandpass wave filter,
Combiner, the second adaptation and combining mouth；
In the duplexer, radio frequency receiving signal passes sequentially through combining mouth, the second adaptation, combiner, reception band logical
Wave filter, the first low-noise amplifier, sound watchband bandpass filter and receiving port.
(3) the filter amplifier group is when ultrashort wave broadband transceiver is ultrashort wave broad-band channel pattern reception state
Enable；
The filter amplifier group includes：The reception broadband filter that unidirectionally connects successively, the second low-noise amplifier and
Receive broadband filter described in electrically tunable filter to be connected with the first electronic switch, the electrically tunable filter and the 3rd electronic cutting correlate
Connect.
(4) controller is according to two kinds of operating modes of ultrashort wave broadband receiver, and the receipts of every kind of operating mode
Hair-like state, output make what the first electronic switch, the second electronic switch, the 3rd electronic switch and the 4th electronic switch switched over
Control signal.
Beneficial effects of the present invention are：Small electronic switch is encapsulated using multiple QFN, it is VHF/UHF frequency ranges broad-band channel, double
Work channel transceiver can quickly, flexibly realize operating mode and transmitting-receiving control switching.The Integration Design of duplexer and
With design, make its integrated level higher, index is more excellent, before ensure that the reception under such transceiver Satellite communication dual-mode
End and transmitting end index, improve satellite communication effect.The design of filter amplifier group, makes its integrated level higher, ensure that
The indexs such as frequency selectivity and noise coefficient that such transceiver middle width strip receives, improve ultrashort wave broad-band channel and receive effect
Fruit.Subrane harmonic filter covers ultrashort wave wideband channel frequency by rational segment design, ensure that ultrashort wave broadband
Channel launching effect.Patent of the present invention is designed with beneficial to the broadband, duplexing of transceiver, Miniaturization Design.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural representation of the wave filter group device of ultrashort wave broadband transceiver provided in an embodiment of the present invention
Figure；
Fig. 2 is the structure diagram of duplexer provided in an embodiment of the present invention
Fig. 3 is filter amplifier group structure diagram provided in an embodiment of the present invention；
Fig. 4 is subrane harmonic filter structure diagram provided in an embodiment of the present invention；
Fig. 5 is controller connection diagram provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of wave filter group device (VHF/UHF frequency ranges broadband of ultrashort wave broadband transceiver
Receive emission filter group device) include：
For covering the subrane harmonic filter of ultra short wave communication transmitting frequency range, receiving frequency for covering ultra short wave communication
Section with filter amplifier group (including reception broadband filter, low-noise amplifier, electrically tunable filter), for satellite communication receive
Send out frequency range duplexer (including LC type emission bandpass wave filter, two transmitting adaptations, dielectric resonator type receive bandpass filtering
Device, low noise amplification wave filter), the 1st electronic switch, the 2nd electronic switch, the 3rd electronic switch, the 4th electronic switch.1st electronics
Switch connects radio-frequency antenna mouth respectively at subrane harmonic filter, filter amplifier group, duplexer, and the 2nd electronic switch will
Subrane harmonic filter and the connection of the 4th electronic switch, the 3rd electronic switch will receive channel respectively at duplexer, filter and amplification
Device group connects, and the 4th electronic switch connects launch channel respectively at duplexer, the 2nd electronic switch.
Further,
A kind of VHF/UHF frequency ranges broadband reception emission filter group device, (channel is received comprising 3 prevention at radio-frequency port
Port, launch channel port, radio-frequency antenna mouth), reception channel, launch channel, the radio-frequency antenna mouth of transceiver connect respectively
Apparatus of the present invention relevant position.4 electronic switches are included inside apparatus of the present invention, it is (ultrashort according to the both of which of transceiver
Ripple broad-band channel pattern, satellite communication dual-mode), the radio frequency reception channel inside apparatus of the present invention is divided into two-way,
Radio frequency transmitting channel inside apparatus of the present invention is divided into two-way.In addition under ultrashort wave broad-band channel pattern, the 1st electronic cutting
Close and the 2nd electronic switch switches the subrane harmonic filter for connecting different frequency range.Apparatus of the present invention are built in transceiver
Portion, transmitting-receiving control, different mode switching control are carried out by transceiver controller.
A kind of VHF/UHF frequency ranges broadband reception emission filter group device, includes a kind of duplexer.In the duplexer
Portion is also comprising reception and transmission channel, and wherein transmission channel is followed successively by the 1st adaptation by signal trend, LC types emission bandpass filters
Device, combiner, the 2nd adaptation；Receiving channel is followed successively by the 2nd adaptation, combiner, dielectric resonator type by signal trend and receives
Bandpass filter, low-noise amplifier, sound watchband bandpass filter.The duplexer enables under satellite communication dual-mode, transmitting-receiving
Letter machine controller is controlled switching manipulation and electronic switch is switched under the pattern, and transmitting-receiving control is in diplex operation state.
A kind of VHF/UHF frequency ranges broadband reception emission filter group device, includes a kind of filter amplifier group.The filter
Twt amplifier group includes circuit and is followed successively by reception broadband filter, low-noise amplifier, electrically tunable filter by signal trend.The filter
Ripple device amplifier group opens under ultrashort wave broad-band channel pattern when transceiver controller transmitting-receiving control is in reception working status
With.
A kind of VHF/UHF frequency ranges broadband reception emission filter group device, includes subrane harmonic filter.This point
Wave band harmonic filter frequency coverage transceiver VHF/UHF working frequency range, under ultrashort wave broad-band channel pattern, transmitting-receiving letter
Enabled when machine controller transmitting-receiving control is in transmitting working status.Transceiver controller is controlled the 1st electronic switch and the 2nd
Electronic switch, switches over subrane harmonic filter.
Specifically,
With reference to Fig. 1, for a kind of structural representation of VHF/UHF frequency ranges broadband reception emission filter group device of the present invention
Figure.The device includes 3 radio frequency mouths, is respectively radio-frequency antenna mouth, launch channel mouth, receives channel mouth.Connection inside the device
For：Radio-frequency antenna mouth connects the 1st electronic switch, and the 1st electronic switch connects subrane harmonic filter, duplexer, filtering respectively
Amplifier group；Subrane harmonic filter is between the 1st electronic switch and the 2nd electronic switch；Duplexer is in the 1st electronic cutting
Close between the 4th electronic switch；Filter amplifier group is between the 1st electronic switch and the 3rd electronic switch；Launch channel mouth connects
The 4th electronic switch is connect, the 4th electronic switch connects the 2nd electronic switch, the emission port of duplexer respectively；Receive channel mouth connection the 3rd
Electronic switch, the 3rd electronic switch connect the receiving port of duplexer, filter amplifier group respectively.According to the two of transceiver kinds
Pattern and reiving/transmitting state, controller send control signal and switch over operation to 4 electronic switches.
When transceiver is in ultrashort wave broad-band channel pattern reception state, reception signal moves towards order and is：Radio frequency day
Line mouth, the 1st electronic switch, filter amplifier group, the 3rd electronic switch, reception channel mouth.When transceiver is in ultrashort wave broadband
During channelling mode emission state, transmitting signal moves towards order and is：Launch channel mouth, the 4th electronic switch, the 2nd electronic switch, partial wave
Section harmonic filter, the 1st electronic switch, radio-frequency antenna mouth.When transceiver is in satellite communication dual-mode, transmitting-receiving is at the same time
Work, reception signal move towards order and are：Radio-frequency antenna mouth, the 1st electronic switch, duplexer, the 3rd electronic switch, reception channel mouth；
Transmitting signal moves towards order：Launch channel mouth, the 4th electronic switch, duplexer, the 1st electronic switch, radio-frequency antenna mouth.
During the present invention is implemented, the 1st electronic switch to the 4th electronic switch can use thyristor, switching diode, relay
Device, IC electronic switches etc., in order to which the requirement for reaching transceiver miniaturization and being switched fast recommends the IC electronics of QFN encapsulation
Switch.1st electronic switch and the 2nd electronic switch are multy-way switching, therefore select multy-way switching electronic switch；3rd electronic switch and
The optional then two-way switching electronic switch of 4th electronic switch.The control signal of electronic switch should carry out EMI filtering process, prevent electricity
Mistake switching occurs for magnetic disturbance.
With reference to Fig. 2, for a kind of diplexer structure of VHF/UHF frequency ranges broadband reception emission filter group device of the present invention
Schematic diagram.The duplexer includes 3 radio frequency mouths, is respectively combining mouth, emission port, receiving port.The duplexer is double in satellite communication
Enabled under work pattern, transmission channel is followed successively by emission port, the 1st adaptation, LC type emission bandpass wave filter, combining by signal trend
Device, the 2nd adaptation, combining mouth；Receiving channel is followed successively by combining mouth, the 2nd adaptation, combiner, dielectric resonance by signal trend
Type reception bandpass filter, low-noise amplifier, sound watchband bandpass filter, receiving port.Wherein the 2nd adaptation is common for transmitting-receiving
With.Combiner is used for the combining of two bandpass filters, realizes that two-way filter is mutually unaffected.LC types emission bandpass filters
Device effect is to filter out the harmonic wave and other band strays of transmitting signal, it is often more important that prevents the noise floor change pair during transmitting
Receive the influence of signal.Dielectric resonator type reception bandpass filter is used for selecting satellite band signal, and filters out transmitting frequency
The transmission power signal of section, prevents receiving terminal channel saturation.Low-noise amplifier harmony watchband bandpass filter is according to channel needs
Gain and selectivity carry out the selection of model and quantity.Further need exist in view of low-noise amplifier current drain and
1dB compression points, ensure the power consumption and the linearity of transceiver.
During the present invention is implemented, the 1st adaptation and the T-shaped network that the 2nd adaptation is LC realizations, the 1st adaptation are used for matching
Emission port, improves emission effciency, reduces reflection loss.2nd adaptation is transmit-receive sharing, for matching the antenna of transceiver,
Improve reception and emission effciency.Combiner is also LC type networks.
With reference to Fig. 3, for a kind of filter amplifier of VHF/UHF frequency ranges broadband reception emission filter group device of the present invention
Group structure diagram.The filter amplifier group is when transceiver is in ultrashort wave broad-band channel pattern reception state, controller
The gating of the 1st electronic switch and the 3rd electronic switch is controlled, reception signal flows to successively is：1st electronic switch, receive broadband filter
Ripple device, low-noise amplifier, electrically tunable filter, the 3rd electronic switch.Broadband filter is wherein received as LC molded breadths band bandpass filtering
Device, design Insertion Loss is small, plays the role of matching and filtering out out-of-band interference.The selection of low-noise amplifier is also to consider that channel increases
The indexs such as benefit, noise coefficient, electric current, the linearity.Controller sends out electrically tunable filter tuning electricity according to the frequency of transceiver
Pressure, changes of tuning voltage value can change the capacitance of the varactor of resonant tank so as to change resonance point, to realize pair
The frequency-selecting of transceiver current setting frequency signal.The selectivity of electrically tunable filter is preferable, contributes for channel selectivity.
With reference to Fig. 4, for a kind of subrane harmonic wave of VHF/UHF frequency ranges broadband reception emission filter group device of the present invention
Filter construction schematic diagram.The subrane harmonic filter is when transceiver is in ultrashort wave broad-band channel Mode Launch state
Work.Controller is according to the 1st electronic switch of frequency electing and passing of transceiver and the 2nd electronic switch, the transmitting letter to different frequency range
Number it is filtered.Subrane harmonic filter is illustrated as No. 3 low-pass filter compositions：1st low-pass filter, the 2nd low-pass filtering
Device, the 3rd low-pass filter.Certainly according to the broad-band channel width of transceiver, frequency range can be divided into other numbers, and select
Take the suitable electronic switch of number of channels.3 sections of low-pass filters that low-pass filter group of the present invention includes are oval letter
Number type LC low-pass filters.
With reference to Fig. 5, for a kind of controller connection of VHF/UHF frequency ranges broadband reception emission filter group device of the present invention
Schematic diagram.For transceiver controller according to the both of which and reiving/transmitting state of transceiver, exporting makes the 1st electronic switch to the 4th
The control signal that electronic switch switches over, output make the control signal and tuning voltage that electrically tunable filter works, and output makes receipts
The control signal that energy source works to apparatus of the present invention.
Beneficial effects of the present invention are：Small electronic switch is encapsulated using multiple QFN, it is VHF/UHF frequency ranges broad-band channel, double
Work channel transceiver can quickly, flexibly realize operating mode and transmitting-receiving control switching.The Integration Design of duplexer and
With design, make its integrated level higher, index is more excellent, before ensure that the reception under such transceiver Satellite communication dual-mode
End and transmitting end index, improve satellite communication effect.The design of filter amplifier group, makes its integrated level higher, ensure that
The indexs such as frequency selectivity and noise coefficient that such transceiver middle width strip receives, improve ultrashort wave broad-band channel and receive effect
Fruit.Subrane harmonic filter covers ultrashort wave wideband channel frequency by rational segment design, ensure that ultrashort wave broadband
Channel launching effect.Patent of the present invention is designed with beneficial to the broadband, duplexing of transceiver, Miniaturization Design.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of programmed instruction is completed, and foregoing program can be stored in computer read/write memory medium, which exists
During execution, execution the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD
Etc. it is various can be with the medium of store program codes.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (5)
1. the wave filter group device of a kind of ultrashort wave broadband transceiver, it is characterised in that it is wide that described device is arranged on ultrashort wave
Inside band transceiver, for connecting ultrashort wave broadband transceiver and radio-frequency antenna；In the ultrashort wave broadband transceiver
It is provided with launch channel mouth, receives channel mouth, radio-frequency antenna mouth is provided with the radio-frequency antenna；
Described device includes：First electronic switch, the second electronic switch, the 3rd electronic switch, the 4th electronic switch, subrane are humorous
Wave filter, filter amplifier group, duplexer and control first electronic switch, the second electronic switch, the 3rd electronic cutting
Close the controller with the on off state of the 4th electronic switch；
First electronic switch and second electronic switch are respectively multy-way switching electronic switch, the 3rd electronic switch
It is respectively two-way switching electronic switch with the 4th electronic switch；First electronic switch, for by the radio-frequency antenna
Mouth is connected with the subrane harmonic filter, the duplexer and the filter amplifier group respectively；
Second electronic switch, for the 4th electronic switch to be connected with the subrane wave filter；
3rd electronic switch, for the duplexer and the filter amplifier group to be connected with the reception channel mouth respectively
Connect；
4th electronic switch, for the launch channel mouth to be connected with second electronic switch, the duplexer respectively
Connect.
2. the wave filter group device of a kind of ultrashort wave broadband transceiver according to claim 1, it is characterised in that described
Ultrashort wave broadband transceiver includes two kinds of operating modes：Ultrashort wave broad-band channel pattern, satellite communication dual-mode；
When the ultrashort wave broadband transceiver is ultrashort wave broad-band channel pattern reception state, radio frequency receiving signal leads to successively
Cross radio-frequency antenna mouth, the first electronic switch, filter amplifier group, the 3rd electronic switch and receive channel mouth；
When the ultrashort wave broadband transceiver is ultrashort wave broad-band channel Mode Launch state, radio frequency transmissions lead to successively
Cross launch channel mouth, the 4th electronic switch, the second electronic switch, subrane harmonic filter, the first electronic switch and radio frequency day
Line mouth；
When the ultrashort wave broadband transceiver is satellite communication dual-mode, radio frequency receiving signal passes sequentially through radio-frequency antenna
Mouth, the first electronic switch, duplexer, the 3rd electronic switch, receive channel mouth；Radio frequency transmissions pass sequentially through launch channel
Mouth, the 4th electronic switch, duplexer, the first electronic switch and radio-frequency antenna mouth.
3. the wave filter group device of a kind of ultrashort wave broadband transceiver according to claim 1, it is characterised in that described
Three radio frequency mouths are provided with duplexer, are respectively combining mouth, emission port and receiving port；The duplexer is received in ultrashort wave broadband
Sender is to be enabled under satellite communication dual-mode；
The duplexer includes：First adaptation, emission bandpass wave filter, combiner, the second adaptation, combining mouth, reception band
Bandpass filter, the first low-noise amplifier, sound watchband bandpass filter；
In the duplexer, radio frequency transmissions pass sequentially through emission port, the first adaptation, emission bandpass wave filter, combining
Device, the second adaptation and combining mouth；
In the duplexer, radio frequency receiving signal passes sequentially through combining mouth, the second adaptation, combiner, reception bandpass filtering
Device, the first low-noise amplifier, sound watchband bandpass filter and receiving port.
4. the wave filter group device of a kind of ultrashort wave broadband transceiver according to claim 1, it is characterised in that described
Filter amplifier group is enabled when ultrashort wave broadband transceiver is ultrashort wave broad-band channel pattern reception state；
The filter amplifier group includes：Reception broadband filter, the second low-noise amplifier and the electricity unidirectionally connected successively is adjusted
Receive broadband filter described in wave filter to be connected with the first electronic switch, the electrically tunable filter is connected with the 3rd electronic switch.
5. the wave filter group device of a kind of ultrashort wave broadband transceiver according to claim 1, it is characterised in that described
For controller according to two kinds of operating modes of ultrashort wave broadband receiver, and the reiving/transmitting state of every kind of operating mode, output makes the
The control signal that one electronic switch, the second electronic switch, the 3rd electronic switch and the 4th electronic switch switch over.
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| CN201711474376.6A CN107979388A (en) | 2017-12-29 | 2017-12-29 | A kind of wave filter group device of ultrashort wave broadband transceiver |
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| CN201711474376.6A CN107979388A (en) | 2017-12-29 | 2017-12-29 | A kind of wave filter group device of ultrashort wave broadband transceiver |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361415A (en) * | 2018-12-03 | 2019-02-19 | 上海金卓网络科技有限公司 | Harmonic suppressing method, Transmit Receive Unit and the terminal device of Transmit Receive Unit |
| CN109450479A (en) * | 2018-12-08 | 2019-03-08 | 武汉中科牛津波谱技术有限公司 | A kind of signal modulation module and method |
| CN109560832A (en) * | 2019-01-24 | 2019-04-02 | 广西芯百特微电子有限公司 | A kind of radio circuit and terminal for 5G communication |
| CN110927686A (en) * | 2019-12-17 | 2020-03-27 | 陕西长岭电子科技有限责任公司 | Modulation frequency deviation mapping device for linear frequency modulation signal |
| CN113098437A (en) * | 2021-04-02 | 2021-07-09 | 西安博瑞集信电子科技有限公司 | Adjustable wide band filter bank |
-
2017
- 2017-12-29 CN CN201711474376.6A patent/CN107979388A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361415A (en) * | 2018-12-03 | 2019-02-19 | 上海金卓网络科技有限公司 | Harmonic suppressing method, Transmit Receive Unit and the terminal device of Transmit Receive Unit |
| CN109361415B (en) * | 2018-12-03 | 2023-12-15 | 上海金卓科技有限公司 | Harmonic suppression method of radio frequency receiving and transmitting unit, radio frequency receiving and transmitting unit and terminal equipment |
| CN109450479A (en) * | 2018-12-08 | 2019-03-08 | 武汉中科牛津波谱技术有限公司 | A kind of signal modulation module and method |
| CN109450479B (en) * | 2018-12-08 | 2024-04-26 | 武汉中科牛津波谱技术有限公司 | Signal modulation module and method |
| CN109560832A (en) * | 2019-01-24 | 2019-04-02 | 广西芯百特微电子有限公司 | A kind of radio circuit and terminal for 5G communication |
| CN110927686A (en) * | 2019-12-17 | 2020-03-27 | 陕西长岭电子科技有限责任公司 | Modulation frequency deviation mapping device for linear frequency modulation signal |
| CN113098437A (en) * | 2021-04-02 | 2021-07-09 | 西安博瑞集信电子科技有限公司 | Adjustable wide band filter bank |
| CN113098437B (en) * | 2021-04-02 | 2022-09-20 | 西安博瑞集信电子科技有限公司 | Adjustable wide band filter bank |
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