CN206294171U - A kind of ultrawide band high performance frequency expansion circuit - Google Patents
A kind of ultrawide band high performance frequency expansion circuit Download PDFInfo
- Publication number
- CN206294171U CN206294171U CN201621292577.5U CN201621292577U CN206294171U CN 206294171 U CN206294171 U CN 206294171U CN 201621292577 U CN201621292577 U CN 201621292577U CN 206294171 U CN206294171 U CN 206294171U
- Authority
- CN
- China
- Prior art keywords
- microwave
- frequency
- switch
- input
- output end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of ultrawide band high performance frequency expansion circuit, the circuit includes：RF switch,Frequency mixer,Microwave attenuator,Microwave equalizer,Microwave amplifier,Microwave switch filtering group,Microwave switch and frequency source,Wherein,RF switch correspondence connection microwave switch common port and the mixer intermediate-frequency input,The mixer output correspondence connection microwave attenuator input,The microwave attenuation output end correspondence connection microwave equalizer input,The microwave equalizer output end correspondence connection microwave switch filtering unit input,The switch filtering component output end correspondence connection microwave amplifier input,The microwave amplifier output end correspondence connection microwave attenuator input,The microwave attenuator output end correspondence connection microwave equalizer input,The microwave equalizer output end correspondence connection microwave amplifier input,The branch end of the microwave amplifier output end correspondence connection microwave switch,The common port of microwave switch is microwave signal delivery outlet,The local oscillator input of the frequency source output terminal correspondence connection frequency mixer.Communications band is brought up to microwave frequency band by this circuit, is suppressed because of the interference signal that mixing is produced while working frequency is extended.
Description
Technical field
The utility model is related to wireless communication technology, more particularly to a kind of ultrawide band high performance frequency expansion circuit.
Background technology
Due to communication equipment popularization and widely use, current radio frequency available band is more and more narrow, and transmission bandwidth is non-
Often limited, the communication for high speed, wide spectrum must operate at the communication requirement that more than microwave frequency band could meet people, be solution
The more and more crowded problem of certainly current radio communication, is being kept on the basis of original communication band, and frequency range is brought up into microwave
Frequency range is a preferable solution.
Baseband signal is modulated in the prior art obtains intermediate-freuqncy signal, believed intermediate-freuqncy signal and local oscillator by frequency mixer
Number be mixed obtaining high-frequency signal, launch through antenna after signal power is amplified by radio frequency amplifier, this mode
The scattering frequency spectrum for coming self-mixing interference signal and local oscillation signal leakage is mixed with the high-frequency signal for obtaining, scattering frequency spectrum can be to adjacent
Channel is impacted.
The content of the invention
To solve the above problems, the utility model provides a kind of ultrawide band high performance frequency expansion circuit, is keeping original
On the basis of communication band, frequency range is brought up into microwave frequency band, while can suppress because of the interference signal that mixing is produced.
The utility model discloses a kind of ultrawide band high performance frequency expansion circuit, it is characterised in that the circuit includes：
RF switch (1), frequency mixer (2), microwave attenuator (3), microwave equalizer (4), microwave amplifier (5), microwave switch filtering
Component (6), microwave switch (7) and frequency source (8), wherein, described RF switch (1) correspondence connection microwave switch (7) branch end
With frequency mixer (2) IF input terminal, frequency mixer (2) the output end correspondence connects microwave attenuator (3-1) input, described micro-
Wave attenuators (3-1) output end correspondence connection microwave equalizer (4-1) input, microwave equalizer (4-1) output end pair
Microwave switch filtering unit (6) input, switch filtering component (6) the output end correspondence connection microwave amplifier should be connected
(5-1) input, described microwave amplifier (5-1) output end correspondence connection microwave attenuator (3-2) input, the microwave declines
Subtract device (3-2) output end correspondence connection microwave equalizer (4-2) input, microwave equalizer (4-2) the output end correspondence connects
Microwave amplifier (5-2) input is connect, microwave amplifier (5-2) the output end correspondence connects the branch end of microwave switch (7),
The common port of the microwave switch (7) is microwave signal delivery outlet, frequency source (8) output end correspondence connection frequency mixer (2)
Local oscillator input.
Further, the microwave switch filtering unit (6) is composed in parallel by level Four separate filter, level Four wave filter
Frequency be respectively 6GHz~9GHz, 9GHz~12GHz, 12GHz~15GHz, 15GHz~18GHz.
Further, the microwave amplifier (5-2) is high-power microwave amplifier, and output 1dB compression points are more than
20dBm。
Further, the frequency source working frequency is 10.9GHz~19.4GHz.
Frequency range is brought up to microwave frequency band by the utility model on the basis of original communication band is kept, can be preferably
Solve current radio communication congested problem.While extension working frequency, inhibited because mixing is produced by switch filtering component
Interference signal, make the frequency spectrum of output signal especially pure.
Brief description of the drawings
Fig. 1 is the structural representation of ultrawide band high performance frequency expansion circuit
Wherein, 1-RF switch, 2-frequency mixer, 3-microwave attenuator, 4-microwave equalizer, 5-microwave amplifier,
6-microwave switch filtering unit, 7-microwave switch, 8-frequency source, 3-1-microwave attenuator 1,3-2-microwave attenuator 2,
4-1-microwave equalizer 1,4-2-microwave equalizer 2,5-1-microwave amplifier 1,5-2-microwave amplifier 2
Specific embodiment
The utility model discloses a kind of ultrawide band high performance frequency expansion circuit, it is characterised in that the circuit includes：
RF switch (1), frequency mixer (2), microwave attenuator (3), microwave equalizer (4), microwave amplifier (5), microwave switch filtering
Component (6), microwave switch (7) and frequency source (8), wherein, described RF switch (1) correspondence connection microwave switch (7) branch end
With frequency mixer (2) IF input terminal, frequency mixer (2) the output end correspondence connects microwave attenuator (3-1) input, described micro-
Wave attenuators (3-1) output end correspondence connection microwave equalizer (4-1) input, microwave equalizer (4-1) output end pair
Microwave switch filtering unit (6) input, switch filtering component (6) the output end correspondence connection microwave amplifier should be connected
(5-1) input, described microwave amplifier (5-1) output end correspondence connection microwave attenuator (3-2) input, the microwave declines
Subtract device (3-2) output end correspondence connection microwave equalizer (4-2) input, microwave equalizer (4-2) the output end correspondence connects
Microwave amplifier (5-2) input is connect, microwave amplifier (5-2) the output end correspondence connects the branch end of microwave switch (7),
The common port of the microwave switch (7) is microwave signal delivery outlet, frequency source (8) output end correspondence connection frequency mixer (2)
Local oscillator input.
Further, the microwave switch filtering unit (6) is composed in parallel by level Four separate filter.
Further, the frequency of the level Four wave filter be respectively 6GHz~9GHz, 9GHz~12GHz, 12GHz~
15GHz, 15GHz~18GHz.
Further, the microwave amplifier (5-2) is high-power microwave amplifier, and output 1dB compression points are more than
20dBm。
Further, the frequency source working frequency is 10.9GHz~19.4GHz.
Radiofrequency signal is input into RF switch common port, if radiofrequency signal of the output no more than 6GHz, switch is switched to
One end of straight-through link, the other end of straight-through link connects with the branch end of microwave switch, microwave switch common port output microwave
Signal.If exporting the microwave signal more than 6GHz, RF switch is connected with the IF input terminal of frequency mixer, mixing output difference
Through microwave attenuator 1, microwave equalizer 1, microwave switch filtering group, microwave amplifier 1, wave attenuators 2, microwave equalizer 2,
After microwave amplifier 2, exported by the common port of microwave switch, this circuit design inhibits mixed while working frequency is extended
The interference signal that frequency is produced by mixing, makes the frequency spectrum of output microwave signal very pure, while output level covering -110~+
12dBm。
The above, specific embodiment only of the present utility model, but protection domain of the present utility model is not limited to
This, any one skilled in the art in the technical scope that utility model is disclosed, the change that can readily occur in or
Replace, should all cover in protection domain of the present utility model.Because protection domain of the present utility model should be required with copyright
Protection domain be defined.
Claims (5)
1. a kind of ultrawide band high performance frequency expansion circuit, it is characterised in that the circuit includes：RF switch (1), frequency mixer
(2), microwave attenuator (3), microwave equalizer (4), microwave amplifier (5), microwave switch filtering unit (6), microwave switch
(7), frequency source (8), wherein, RF switch (1) correspondence connection microwave switch (7) branch end and frequency mixer (2) intermediate frequency are defeated
Enter end, described frequency mixer (2) output end correspondence connection microwave attenuator (3-1) input, microwave attenuator (3-1) output
End correspondence connection microwave equalizer (4-1) input, microwave equalizer (4-1) the output end correspondence connection microwave switch filtering
Component (6) input, described switch filtering component (6) output end correspondence connection microwave amplifier (5-1) input, the microwave
Amplifier (5-1) output end correspondence connection microwave attenuator (3-2) input, microwave attenuator (3-2) the output end correspondence
Connection microwave equalizer (4-2) input, microwave equalizer (4-2) output end correspondence connection microwave amplifier (5-2) is defeated
Enter end, the branch end of microwave amplifier (5-2) output end correspondence connection microwave switch (7), the public affairs of the microwave switch (7)
End is microwave signal delivery outlet altogether, the local oscillator input of frequency source (8) output end correspondence connection frequency mixer (2).
2. a kind of ultrawide band high performance frequency expansion circuit according to claim 1, it is characterised in that the microwave switch
Filtering unit (6) is composed in parallel by level Four separate filter.
3. a kind of ultrawide band high performance frequency expansion circuit according to claim 2, it is characterised in that the level Four filtering
The frequency of device is respectively 6GHz~9GHz, 9GHz~12GHz, 12GHz~15GHz, 15GHz~18GHz.
4. a kind of ultrawide band high performance frequency expansion circuit according to claim 1, it is characterised in that the microwave amplifies
Device (5-2) is high-power microwave amplifier.
5. a kind of ultrawide band high performance frequency expansion circuit according to claim 1, it is characterised in that the frequency source work
Working frequency is 10.9GHz~19.4GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292577.5U CN206294171U (en) | 2016-11-29 | 2016-11-29 | A kind of ultrawide band high performance frequency expansion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292577.5U CN206294171U (en) | 2016-11-29 | 2016-11-29 | A kind of ultrawide band high performance frequency expansion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206294171U true CN206294171U (en) | 2017-06-30 |
Family
ID=59096093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621292577.5U Active CN206294171U (en) | 2016-11-29 | 2016-11-29 | A kind of ultrawide band high performance frequency expansion circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206294171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517060A (en) * | 2017-09-25 | 2017-12-26 | 尚睿微电子（上海）有限公司 | A kind of method of radio-frequency switch circuit and processing radiofrequency signal |
-
2016
- 2016-11-29 CN CN201621292577.5U patent/CN206294171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517060A (en) * | 2017-09-25 | 2017-12-26 | 尚睿微电子（上海）有限公司 | A kind of method of radio-frequency switch circuit and processing radiofrequency signal |
| CN107517060B (en) * | 2017-09-25 | 2023-04-18 | 尚睿微电子（上海）有限公司 | Radio frequency switch circuit and method for processing radio frequency signal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107896116A (en) | A kind of Data-Link radio system | |
| Jain et al. | A 0.55-to-0.9 GHz 2.7 dB NF full-duplex hybrid-coupler circulator with 56MHz 40dB TX SI suppression | |
| Su et al. | Bandpass filtering power amplifier with extended band and high efficiency | |
| WO2020118627A1 (en) | Radio-frequency topological system and communication apparatus | |
| CN206294171U (en) | A kind of ultrawide band high performance frequency expansion circuit | |
| CN106452471A (en) | GSM radio frequency circuit and terminal comprising circuit | |
| Piazzon et al. | A method for designing broadband Doherty power amplifiers | |
| CN105743831A (en) | Radio frequency processing method based on WIFI230mHz | |
| KR100713771B1 (en) | Apparatus and RF repeating for wireless broadband internet system | |
| CN210954325U (en) | High-frequency broadband signal source | |
| CN104393379A (en) | Dual-frequency bandwidth band elimination filter based on loading structure of multi-step impendence resonators | |
| Mansour et al. | Building radio frequency transmitter for LTE user equipment | |
| WO2018196429A1 (en) | Access device for distributed antenna system | |
| CN203801013U (en) | Microwave double-balance up-conversion mixer | |
| CN204145470U (en) | Receiver high frequency front-end module | |
| CN209676201U (en) | A kind of adaptive RF power amplifier predistortion system | |
| CN204145467U (en) | A kind of mobile communication intermediate frequency far-drawing system radio-frequency transmitter chip structure | |
| WO2020003640A1 (en) | Front-end circuit | |
| CN205070981U (en) | Preceding stage driver | |
| CN110311705A (en) | A kind of signal processing circuit, terminal device and signal processing method | |
| CN219268855U (en) | Receiving and transmitting system | |
| Yu et al. | Broadband filtering high-efficiency Doherty amplifier based on a novel post-matching network | |
| Al-Rawi | Design of 2.4 GHz transceiver for wireless communication | |
| CN204498071U (en) | X-Ka frequency range upconverter | |
| CN204442305U (en) | A kind of filter circuit based on resonator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |