CN115225106B - Ultra-wideband Ka frequency band receiving and transmitting method - Google Patents
Ultra-wideband Ka frequency band receiving and transmitting method Download PDFInfo
- Publication number
- CN115225106B CN115225106B CN202210529446.8A CN202210529446A CN115225106B CN 115225106 B CN115225106 B CN 115225106B CN 202210529446 A CN202210529446 A CN 202210529446A CN 115225106 B CN115225106 B CN 115225106B
- Authority
- CN
- China
- Prior art keywords
- frequency
- ultra
- wideband
- frequency band
- mixer
- 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
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000010355 oscillation Effects 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Classifications
-
- 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
- H04B1/38—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
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to an ultra-wideband Ka frequency band receiving and transmitting method. Belonging to the technical field of satellite mobile communication. The ultra-wideband Ka frequency band transceiver method is realized through the ultra-wideband Ka frequency band transceiver, and the receiving adopts a primary frequency conversion scheme. The 17.7 GHz-21.2 GHz is divided into three sections, the radio frequency part is not segmented, the specific frequency division is completed by the local oscillator part, and the three radio frequency bands correspond to the same intermediate frequency band, so that the modem which is common at present can be compatible. The local oscillation frequency source is a frequency hopping source and outputs different local oscillation frequencies according to different external controls. The transmission adopts a primary frequency conversion scheme. 27.5 GHz-31 GHz is divided into three frequency bands. The transmitting frequency band division is completed by combining the frequency hopping sources of the vibration by the radio frequency filter of the radio frequency part. According to the Ka frequency band transceiver method, the receiving frequency band single machine covers 17.7 GHz-21.2 GHz full frequency band, the transmitting frequency band single machine covers 27.5 GHz-31 GHz, and the ground station provided with the transceiver can meet global communication requirements.
Description
Technical Field
The invention relates to an ultra-wideband Ka frequency band receiving and transmitting method. Belonging to the technical field of satellite mobile communication.
Background
The uplink frequency band and the downlink frequency band which are used for Ka frequency band satellite communication are 27.5 GHz-31 GHz and 17.7 GHz-21.2 GHz, and different countries or regions can only use one specific frequency band. For example, the native use frequency of China is uplink 29.4 GHz-31 GHz, and the downlink frequency band is 19.6 GHz-21.2 GHz.
The Ka frequency band transceiver integrates the Ka frequency band transceiver, the Ka frequency band transmitter and the Ka frequency band OMT. The Ka band transceiver is widely used in various terrestrial satellite mobile or fixed communication systems, such as: portable stations, fixed stations, on-board in-flight, etc.
The existing Ka frequency band transceivers on the market at present can only work in a narrower frequency band, the widest working frequency band of a single machine is not more than 2GHz, the ground station system provided with the transceivers can only work in a certain country or region, and if global communication is to be realized, different Ka frequency band transceivers need to be replaced.
At present, all Ka frequency band transceivers applied to a ground station of a Ka frequency band satellite communication system in the market are narrow-band and can only work in a certain appointed region, and if the ground station needs to work in the global scope, different Ka frequency band transceivers need to be replaced in different regions. The schematic block diagram of the narrowband Ka band transceiver is shown in fig. 1:
the radio frequency amplifier and the filter of the narrow-band Ka frequency band transceiver are fixed in a certain narrow-band frequency band, the local oscillation frequency is fixed in a point frequency, and the Ka frequency band satellite communication ground station system provided with the narrow-band Ka frequency band transceiver can only work in a certain appointed region according to the global region and frequency division of the current Ka frequency band, and if the narrow-band Ka frequency band transceiver needs to work in other regions, the Ka frequency band transceiver needs to be replaced by other frequency bands.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an ultra-wideband Ka frequency band transceiver method, so as to solve the problem that Ka frequency band transceivers applied by a ground station of a Ka frequency band satellite communication system are all narrow-band and can only work in a certain appointed region, and if the ground station needs to work in a global scope, different Ka frequency band transceivers need to be replaced in different regions.
The invention discloses an ultra-wideband Ka frequency band receiving and transmitting method, which is realized through an ultra-wideband Ka frequency band transceiver, wherein the ultra-wideband Ka frequency band transceiver comprises an ultra-wideband orthogonal mode coupler, a low noise amplifier, a power divider, a two-power divider, a first mixer, a second mixer, a third mixer, a first 90-degree bridge, a second 90-degree bridge, a first frequency hopping source, a second frequency hopping source and a power management unit, the low noise amplifier is connected between the ultra-wideband orthogonal mode coupler and the two-power divider, the power amplifier is connected between the ultra-wideband orthogonal mode coupler and the third mixer, the first mixer, the second mixer and the two-power divider are connected and connected into the first 90-degree bridge and the second 90-degree bridge, the first frequency hopping source is connected between the third mixer and the power divider, and the second frequency hopping source is connected between the power divider and the second 90-degree bridge;
the ultra-wideband Ka frequency band receiving and transmitting method specifically comprises the following steps:
dividing a radio frequency signal into 2 paths by adopting a constant-amplitude equal-phase power divider, and naming the radio frequency signal as RFa and RFb; setting the phase of two paths of signals to be 0 degrees;
dividing a local oscillation signal into two paths by adopting a first 90-degree bridge, namely LOa and LOb, and setting the phase of LOa to be 0 degrees and the phase of LOb to be 90 degrees;
the two paths of signals are mixed in a first mixer and a second mixer respectively; IF signals output after mixing are named IFa and IFb, IF the IFa has a phase of 0 ° corresponding to IFb of-90 °, or IF the IFa has a phase of 0 ° corresponding to IFb of 90 °;
a second 90-degree bridge is adopted to shift IFb by 90 degrees, IFa is shifted by 0 degrees, so that the phase of IFa finally output is 0 degrees corresponding to the phase of IFb and is 0 degrees, or the phase of IFa is 0 degrees corresponding to the phase of IFb and is 180 degrees, and direct power synthesis is carried out;
the control of the receiving frequency band is realized by receiving the power supply voltage, the power supply management unit internally detects the value of the receiving power supply voltage, the receiving voltage is divided into three power supply sections, and the power supply management unit controls the frequency hopping source to output different local oscillation frequencies according to different voltage input ranges, so that frequency switching is realized.
Further preferably, in the method, the transmitting radio frequency part adopts a filter bank to divide 27.5 GHz-31 GHz into three radio frequency bands, the three radio frequency bands correspond to one intermediate frequency band, the local oscillator adopts a frequency hopping source design, and three output frequency points are totally adopted, and the three radio frequency bands correspond to the three radio frequency bands.
Further preferably, the ultra wideband Ka-band transceiver further comprises a first waveguide-microstrip transition circuit, a low noise amplifier input matching circuit, a low noise amplifier output matching circuit, a first bias circuit and a filter, wherein the first waveguide-microstrip transition circuit is connected between the ultra wideband orthogonal mode coupler and the low noise amplifier input matching circuit, the low noise amplifier input matching circuit and the low noise amplifier output matching circuit are respectively connected with the low noise amplifier, the first bias circuit is connected with the low noise amplifier in parallel, and the filter is connected between the low noise amplifier output matching circuit and the second power divider.
Further preferably, the ultra-wideband Ka-band transceiver further comprises a first intermediate frequency filter and a first intermediate frequency amplifier, wherein the first intermediate frequency filter is connected between the first 90-degree bridge and the first intermediate frequency amplifier.
Further preferably, the ultra-wideband Ka-band transceiver further comprises a second waveguide-microstrip transition circuit, a power amplifier input matching circuit, a power amplifier output matching circuit, a second bias circuit and a filter bank, wherein the second waveguide-microstrip transition circuit is connected between the ultra-wideband orthogonal mode coupler and the power amplifier output matching circuit, the power amplifier input matching circuit and the power amplifier output matching circuit are respectively connected with the power amplifier, the second bias circuit is connected with the power amplifier in parallel, and the filter bank is connected between the power amplifier input matching circuit and the power divider.
Further preferably, the ultra wideband Ka band transceiver further comprises a second intermediate frequency filter and a second intermediate frequency amplifier, wherein the second intermediate frequency filter is connected between the third mixer and the second intermediate frequency amplifier.
Compared with the scheme in the prior art, the ultra-wideband Ka frequency band receiving and transmitting method has the following advantages:
the cost is lower: for a ground station system with global work, only one ultra-wideband Ka frequency band transceiver needs to be equipped; if a narrowband Ka band transceiver is provided, several types need to be provided.
The switching is convenient: the ground station system equipped with the ultra-wideband Ka frequency band transceiver can be switched automatically by one key through the customs software and even combining with the global positioning system. If a narrowband Ka band transceiver is provided, a module change is required.
The system compatibility is stronger: the ultra-wideband Ka frequency band transceiver is a frequency hopping local oscillator, and can be configured with different intermediate frequency outputs for the same radio frequency, so that the ultra-wideband Ka frequency band transceiver can be compatible with different modems.
Drawings
Fig. 1 is a functional block diagram of a narrowband Ka-band transceiver.
Fig. 2 is a block diagram of the ultra wideband Ka band transceiver of the present invention. The reference numerals are as follows:
1-ultra wideband orthogonal mode coupler (OMT)
2-first waveguide-microstrip transition circuit
3-low noise amplifier input matching circuit
4-low noise amplifier
5-first bias circuit
Output matching circuit of 6-low noise amplifier
7-filter
8-two power divider
9-first mixer
10-second mixer
11-first 90 degree bridge
12-first intermediate frequency filter
13-first intermediate frequency amplifier
14-second waveguide-microstrip transition circuit
15-power amplifier output matching circuit
16-power amplifier
17-second bias circuit
18-power amplifier input matching circuit
19-Filter bank
20-third mixer
21-first frequency hopping source
22-second frequency hopping source
23-second 90 degree bridge
24-power divider
25-second intermediate frequency filter
26-second intermediate frequency amplifier
27-Power management Unit
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
The schematic block diagram of the ultra wideband Ka band transceiver is shown in fig. 2:
the ultra-wideband Ka frequency band transceiver comprises an ultra-wideband orthogonal mode coupler 1, a first waveguide-microstrip transition circuit 2, a low noise amplifier input matching circuit 3, a low noise amplifier 4, a first bias circuit 5, a low noise amplifier output matching circuit 6, a filter 7, a two-power divider 8, a first mixer 9, a second mixer 10, a first 90-degree bridge 11, a first intermediate frequency filter 12, a first intermediate frequency amplifier 13, a second waveguide-microstrip transition circuit 14, a power amplifier output matching circuit 15, a power amplifier 16, a second bias circuit 17, a power amplifier input matching circuit 18, a filter bank 19, a third mixer 20, a first frequency hopping source 21, a second frequency hopping source 22, a second 90-degree bridge 23, a power divider 24, a second intermediate frequency filter 25, a second intermediate frequency amplifier 26 and a power management unit 27.
Principle of reception operation
The receiving adopts a one-time frequency conversion scheme. The 17.7 GHz-21.2 GHz is divided into three sections, the radio frequency part is not segmented, the specific frequency division is completed by the local oscillator part, and the three radio frequency bands correspond to the same intermediate frequency band, so that the modem which is common at present can be compatible. The local oscillation frequency source is a frequency hopping source and outputs different local oscillation frequencies according to different external controls.
The biggest difficulty for the receive chain is to solve the image rejection problem due to the wider receive band. In order to effectively inhibit image interference, the receiving link adopts a phase shift cancellation technology to cancel image interference signals, and the specific working principle is as follows:
dividing a radio frequency signal (image signal) into 2 paths by adopting a constant-amplitude equal-phase power divider, which is named as RFa and RFb; setting the phase of two paths of signals to be 0 degrees;
dividing a local oscillation signal into two paths by adopting a 90-degree bridge, namely LOa and LOb, and setting the phase of LOa to be 0 degrees and the phase of LOb to be 90 degrees;
the two paths of signals are mixed in two mixers a and b respectively; IF signals outputted after mixing are named IFa and IFb, IF IFa has a phase of 0 ° (0 °), and IFb has a phase of-90 ° (90 °);
IFb is shifted by 90 DEG by adopting a 90 DEG bridge, IFa is shifted by 0 DEG, then IFa phase of the final output is 0 DEG (0 DEG), IFb phase is 0 DEG (180 DEG), and direct power synthesis is performed.
From the above analysis, it is clear that the two signals output from the intermediate frequency are out of phase by 0 ° and have the same amplitude, so that the power synthesis is directly performed. For the image signal, the amplitude of the two paths of signals output by the intermediate frequency is the same, the phase difference is 180 degrees, and the two signals can be directly canceled.
The control of the receiving frequency band is realized by receiving the supply voltage. The power management unit detects the received power supply voltage value, and the received power supply voltage is divided into three power supply intervals. The power management unit controls the frequency hopping source to output different local oscillation frequencies according to different voltage input ranges, so that frequency switching is realized.
Principle of emission
The transmission adopts a primary frequency conversion scheme. 27.5 GHz-31 GHz is divided into three frequency bands. The transmitting frequency band division is completed by combining the frequency hopping sources of the vibration by the radio frequency filter of the radio frequency part.
Because the radio frequency band is wider, part of local oscillation signals can fall in the transmitting frequency band, so that poor output spurious emissions are caused in transmission.
In order to solve the problem, the transmitting radio frequency part adopts a filter bank to divide 27.5 GHz-31 GHz into three radio frequency bands, and the three radio frequency bands correspond to one intermediate frequency band. The local oscillator adopts a frequency hopping source design, and three output frequency points are used and correspond to three radio frequency bands.
The frequency band switching of the transmitting part is realized by the power supply voltage of the receiving link, namely a receiving and transmitting shared frequency band switching circuit. The transmitting unit can adopt high-voltage power supply due to larger power consumption, so that the line loss is reduced.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. An ultra-wideband Ka frequency band receiving method is characterized in that: the ultra-wideband Ka frequency band receiving method is realized through an ultra-wideband Ka frequency band transceiver, the ultra-wideband Ka frequency band transceiver comprises an ultra-wideband orthogonal mode coupler, a low noise amplifier, a power divider, a second power divider, a first mixer, a second mixer, a third mixer, a first 90-degree bridge, a second 90-degree bridge, a first frequency hopping source, a second frequency hopping source and a power management unit, wherein the low noise amplifier is connected between the ultra-wideband orthogonal mode coupler and the second power divider, the power amplifier is connected between the ultra-wideband orthogonal mode coupler and the third mixer, the first mixer and the second mixer are connected with the second power divider and are connected with the first 90-degree bridge and the second 90-degree bridge, the first frequency hopping source is connected between the third mixer and the power divider, and the second frequency hopping source is connected between the power divider and the second 90-degree bridge;
the ultra-wideband Ka frequency band receiving method specifically comprises the following steps:
dividing a received input radio frequency signal into 2 paths by adopting a two-way power divider, and naming the two paths as RFa and RFb; setting the phase of two paths of signals to be 0 degrees;
dividing a local oscillation signal into two paths by adopting a second 90-degree bridge, namely LOa and LOb, and setting the phase of LOa to be 0 degrees and the phase of LOb to be 90 degrees;
the two paths of signals are mixed in a first mixer and a second mixer respectively, namely RFa signals and RFb signals enter the first mixer and the second mixer respectively, and LOa signals and LOb signals enter the first mixer and the second mixer respectively; IF signals output after mixing are named IFa and IFb, IF the IFa has a phase of 0 ° corresponding to IFb of-90 °, or IF the IFa has a phase of 0 ° corresponding to IFb of 90 °;
adopting a first 90-degree bridge to shift IFb by 90 degrees, shifting IFa by 0 degrees, and then carrying out direct power synthesis on the IFa signals and IFb signals which are finally output, wherein the IFa phase is 0 degrees and corresponds to the phase of IFb and is 0 degrees, or the IFa phase is 0 degrees and corresponds to the phase of IFb and is 180 degrees;
the control of the receiving frequency band is realized by receiving the power supply voltage, the power supply management unit internally detects the value of the receiving power supply voltage, the receiving voltage is divided into three power supply intervals, and the power supply management unit controls the first frequency hopping source and the second frequency hopping source to output different local oscillation frequencies according to different voltage input ranges, so that frequency switching is realized.
2. The ultra-wideband Ka-band reception method according to claim 1, wherein: in the method, a transmitting radio frequency part adopts a filter bank to divide 27.5 GHz-31 GHz into three radio frequency bands, the three radio frequency bands correspond to one intermediate frequency band, a local oscillator adopts a frequency hopping source design, and three output frequency points are totally adopted and correspond to the three radio frequency bands.
3. The ultra-wideband Ka-band reception method according to claim 1, wherein: the ultra-wideband Ka frequency band transceiver further comprises a first waveguide-microstrip transition circuit, a low-noise amplifier input matching circuit, a low-noise amplifier output matching circuit, a first bias circuit and a filter, wherein the first waveguide-microstrip transition circuit is connected between the ultra-wideband orthogonal mode coupler and the low-noise amplifier input matching circuit, the low-noise amplifier input matching circuit and the low-noise amplifier output matching circuit are respectively connected with the low-noise amplifier, the first bias circuit is connected with the low-noise amplifier in parallel, and the filter is connected between the low-noise amplifier output matching circuit and the two power dividers.
4. The ultra-wideband Ka-band reception method according to claim 3, wherein: the ultra-wideband Ka frequency band transceiver further comprises a first intermediate frequency filter and a first intermediate frequency amplifier, wherein the first intermediate frequency filter is connected between the first 90-degree bridge and the first intermediate frequency amplifier.
5. The ultra-wideband Ka-band reception method according to claim 1, wherein: the ultra-wideband Ka frequency band transceiver further comprises a second waveguide-microstrip transition circuit, a power amplifier input matching circuit, a power amplifier output matching circuit, a second bias circuit and a filter bank, wherein the second waveguide-microstrip transition circuit is connected between the ultra-wideband orthogonal mode coupler and the power amplifier output matching circuit, the power amplifier input matching circuit and the power amplifier output matching circuit are respectively connected with the power amplifier, the second bias circuit is connected with the power amplifier in parallel, and the filter bank is connected between the power amplifier input matching circuit and the third mixer.
6. The ultra-wideband Ka-band reception method according to claim 5, wherein: the ultra-wideband Ka frequency band transceiver further comprises a second intermediate frequency filter and a second intermediate frequency amplifier, wherein the second intermediate frequency filter is connected between the third mixer and the second intermediate frequency amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210529446.8A CN115225106B (en) | 2022-05-16 | 2022-05-16 | Ultra-wideband Ka frequency band receiving and transmitting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210529446.8A CN115225106B (en) | 2022-05-16 | 2022-05-16 | Ultra-wideband Ka frequency band receiving and transmitting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115225106A CN115225106A (en) | 2022-10-21 |
| CN115225106B true CN115225106B (en) | 2023-12-01 |
Family
ID=83608394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210529446.8A Active CN115225106B (en) | 2022-05-16 | 2022-05-16 | Ultra-wideband Ka frequency band receiving and transmitting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115225106B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1049246A1 (en) * | 1999-04-30 | 2000-11-02 | TRW Inc. | Transceiver with a mixer having selectable image frequency |
| CN101944924A (en) * | 2010-09-30 | 2011-01-12 | 东南大学 | Broadband MIMO radio frequency transceiving system for next-generation wireless communication network |
| CN204794979U (en) * | 2015-06-23 | 2015-11-18 | 江苏星宇芯联电子科技有限公司 | Wireless receiver circuit |
| CN109327229A (en) * | 2018-10-28 | 2019-02-12 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The spaceborne receiver jamproof system in broadband |
| US10374852B1 (en) * | 2018-09-10 | 2019-08-06 | United States Of America As Represented By The Administrator Of Nasa | Ka-band modulator and transmitter |
| CN110176936A (en) * | 2019-05-30 | 2019-08-27 | 中国电子科技集团公司第三十六研究所 | A kind of Ka frequency range broadband reception circuit |
| CN110429952A (en) * | 2019-06-04 | 2019-11-08 | 广东圣大电子有限公司 | A kind of comprehensive radio-frequency system of Ku wave band |
| CN111624587A (en) * | 2019-12-31 | 2020-09-04 | 南京誉葆科技有限公司 | Millimeter wave radio frequency integrated front end |
| CN211457127U (en) * | 2020-04-08 | 2020-09-08 | 重庆航天火箭电子技术有限公司 | Ka-waveband ultra-wideband and large-dynamic receiving channel device |
| CN114204950A (en) * | 2021-11-30 | 2022-03-18 | 中国船舶重工集团公司第七二三研究所 | High-performance broadband microwave receiving channel |
-
2022
- 2022-05-16 CN CN202210529446.8A patent/CN115225106B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1049246A1 (en) * | 1999-04-30 | 2000-11-02 | TRW Inc. | Transceiver with a mixer having selectable image frequency |
| CN101944924A (en) * | 2010-09-30 | 2011-01-12 | 东南大学 | Broadband MIMO radio frequency transceiving system for next-generation wireless communication network |
| CN204794979U (en) * | 2015-06-23 | 2015-11-18 | 江苏星宇芯联电子科技有限公司 | Wireless receiver circuit |
| US10374852B1 (en) * | 2018-09-10 | 2019-08-06 | United States Of America As Represented By The Administrator Of Nasa | Ka-band modulator and transmitter |
| CN109327229A (en) * | 2018-10-28 | 2019-02-12 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The spaceborne receiver jamproof system in broadband |
| CN110176936A (en) * | 2019-05-30 | 2019-08-27 | 中国电子科技集团公司第三十六研究所 | A kind of Ka frequency range broadband reception circuit |
| CN110429952A (en) * | 2019-06-04 | 2019-11-08 | 广东圣大电子有限公司 | A kind of comprehensive radio-frequency system of Ku wave band |
| CN111624587A (en) * | 2019-12-31 | 2020-09-04 | 南京誉葆科技有限公司 | Millimeter wave radio frequency integrated front end |
| CN211457127U (en) * | 2020-04-08 | 2020-09-08 | 重庆航天火箭电子技术有限公司 | Ka-waveband ultra-wideband and large-dynamic receiving channel device |
| CN114204950A (en) * | 2021-11-30 | 2022-03-18 | 中国船舶重工集团公司第七二三研究所 | High-performance broadband microwave receiving channel |
Non-Patent Citations (3)
| Title |
|---|
| A Ka-band low phase noise frequency hopping transmitter;Mingyang Liu et al.;《2015 IEEE 4th Asia-Pacific Conference on Antennas and Propagation (APCAP)》;518-520 * |
| Ka波段单片集成镜像抑制接收机的设计;马文玥;《中国学位论文全文数据库》;全文 * |
| Ka波段小型化宽带收发前端的研制;王大林;《中国优秀硕士学位论文全文数据库 (信息科技辑)》(第7期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115225106A (en) | 2022-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0678974B1 (en) | A transmitter and/or receiver | |
| CN101072040B (en) | Method and device for suppressing carrier leakage | |
| KR100214365B1 (en) | Radio receiver | |
| JP3048076B2 (en) | Mobile radio telephone | |
| US7424271B2 (en) | Multi-mode and multi-band RF transceiver and related communications method | |
| CN201479126U (en) | Beidou full-functional highly-integrated reception and transmitting component | |
| CN113471686A (en) | Active integrated electrically-modulated polarized transmitting-receiving panel antenna | |
| KR100334187B1 (en) | A telecommunication system and a first station, a second station and a transceiver for use in such a system | |
| CN115225106B (en) | Ultra-wideband Ka frequency band receiving and transmitting method | |
| CN101834620B (en) | Broadband receiver with phase-locked loop local oscillation circuit | |
| KR100931081B1 (en) | Mobile phone transceiver | |
| CN106849983A (en) | A kind of millimeter wave transceiving component | |
| CN115801036A (en) | 5G millimeter wave bidirectional double-frequency transceiver mechanism | |
| CN106941365B (en) | Multi-standard full-duplex direct frequency conversion type transceiver | |
| US7398074B2 (en) | Integrated transceiver circuit with low interference production and sensitivity | |
| CN201515363U (en) | Broad band receiver | |
| CN101807931B (en) | Broadband receiver with spot-frequency local oscillation circuit | |
| CN217445347U (en) | Ultra-wideband Ka-band transceiver | |
| CN114244388A (en) | Reflection communication circuit and method based on double-frequency wireless power supply | |
| CN219372427U (en) | Transceiver and communication device | |
| CN115225109B (en) | Terahertz frequency division duplex I/Q modulation-demodulation transceiving front end | |
| CN214380894U (en) | WIFI radio frequency front end | |
| CN220234666U (en) | S-band signal conversion device | |
| CN106937366B (en) | FDD _ LTE terminal signal transmitting and receiving device and FDD _ LTE terminal | |
| CN217546043U (en) | Ka frequency channel frequency conversion receiving and dispatching subassembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |