CN113991969B - Multi-frequency-point self-adaptive wide-range up-down frequency conversion module - Google Patents
Multi-frequency-point self-adaptive wide-range up-down frequency conversion module Download PDFInfo
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- CN113991969B CN113991969B CN202110217997.6A CN202110217997A CN113991969B CN 113991969 B CN113991969 B CN 113991969B CN 202110217997 A CN202110217997 A CN 202110217997A CN 113991969 B CN113991969 B CN 113991969B
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- 230000003044 adaptive effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 2
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- 238000004891 communication Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- 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 discloses a multi-frequency-point self-adaptive wide-range up-down conversion module, wherein the up-conversion module and the down-conversion module are both in secondary frequency conversion and in double-path frequency conversion, and the up-conversion module specifically comprises a voltage stabilizer, a singlechip, a phase-locked loop, an intermediate frequency mixer, a radio frequency mixer, a dielectric filter, an amplifier and an intermediate frequency filter; the down-conversion module comprises a voltage stabilizer, a singlechip, a power divider, a phase-locked loop, an intermediate frequency mixer, a radio frequency mixer, a dielectric filter, an amplifier, a sound meter filter, an intermediate frequency filter and a radio frequency variable gain amplifier; the system is a multi-frequency-point self-adaptive wide-range up-down frequency conversion module device of a Beidou system, and solves the problem of switching of receiving and transmitting satellite navigation signals at single-channel multi-frequency points; the system has strong compatibility, good expansibility of peripheral equipment and stable anti-interference performance.
Description
Technical Field
The invention relates to the technical field of navigation positioning, in particular to a multi-frequency-point self-adaptive wide-range up-down frequency conversion module.
Background
The Beidou satellite navigation positioning system is established, the development of autonomous satellite navigation industry in China is promoted, the dependence on foreign satellite navigation systems is eliminated in satellite application in China, monopoly of the American GPS is broken, and Beidou satellite navigation is inevitably applied more and more widely along with the system construction development. At present, the receiving and transmitting channels of the frequency conversion module can only transmit and receive signals of a single frequency point, the number of receiving channels is increased when a plurality of frequency points are received, and the communication equipment expands a multi-channel interface, so that hardware resources are wasted, and the difficulty of system compatibility is increased.
Disclosure of Invention
The invention aims to solve the problem that a receiving and transmitting channel realizes multi-frequency-point self-adaption through external LVTTL parallel code control, and provides a multi-frequency-point self-adaption wide-range up-down frequency conversion module.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the multi-frequency point self-adaptive wide-range up-down conversion module comprises an up-conversion module and a down-conversion module, wherein the up-conversion module comprises a single chip microcomputer 1, the output end of the single chip microcomputer 1 is respectively connected with the input end of a phase-locked loop 1 and the input end of a phase-locked loop 2, the output end of the phase-locked loop 1 is connected with the signal input end of a primary mixer, the output end of the phase-locked loop 2 is connected with the signal input end of a secondary mixer, the input end of the primary mixer is connected with the output end of an intermediate frequency filter, the output end of the primary mixer is connected with the input end of a primary amplifier, the output end of the primary amplifier is connected with the input end of a primary meter filter, the input end of the primary meter filter is connected with the input end of the secondary mixer, and the output end of the secondary mixer is connected with the input end of a secondary medium filter; the down converter module comprises a singlechip 2, the output end of the singlechip 2 is respectively connected with the input ends of a phase-locked loop 3 and a phase-locked loop 4, the output end of the phase-locked loop 3 is connected with the signal input end of a lower-stage mixer, the output end of the phase-locked loop 4 is connected with the signal input end of a lower-stage mixer, the input end of the lower-stage mixer is connected with the output end of a radio-frequency automatic gain amplifier, the input end of the radio-frequency automatic gain amplifier is connected with the output end of a power divider, the input end of the power divider is connected with the output end of a lower dielectric filter, the input end of the lower dielectric filter is connected with the output end of the lower-stage amplifier, the output end of the lower-stage mixer is connected with the input end of a lower-stage mixer, the output end of the lower-stage mixer is connected with the input end of a low-pass filter, and the output end of the low-pass filter is connected with the input end of the low-pass amplifier.
The invention is further improved in that the singlechip 1 and the singlechip 2 adopt one of AT89 series or STM32 series.
The invention is further improved in that the frequency signal input interfaces of the phase-locked loop 1, the phase-locked loop 2, the phase-locked loop 3 and the phase-locked loop 4, the input end interface of the intermediate frequency automatic gain amplifier and the output end interface of the radio frequency automatic gain amplifier are all in MCX-K forms.
A further improvement of the present invention is that the rf automatic gain amplifier employs IDTF2480.
The invention further improves that R315A is adopted for the upper sound surface filter and the lower sound surface filter.
The invention further improves that the up-conversion module and the down-conversion module are both internally provided with a direct current stabilized DC-DC power supply system.
Compared with the prior art, the invention provides a multi-frequency-point self-adaptive wide-range up-down frequency conversion module, which has the following beneficial effects: the invention has high integration level of each functional circuit module, adopts a twice frequency conversion technology, externally provides LVTTL parallel codes to control local oscillation points, realizes the functions of receiving and transmitting different frequency points in channels, and adopts components such as a phase-locked loop, an amplifier, a mixer and the like to balance the performance and the power consumption, and the input and output ports of each module adopt an MCK-K form to ensure the compatibility in the signal transmission process, thereby being beneficial to expanding peripheral equipment of the system and integrating a voltage-stabilizing DC-DC power supply system inside to ensure that the product has more adaptability.
Drawings
FIG. 1 is a schematic diagram of an up-conversion module according to the present invention;
fig. 2 is a schematic diagram of a down conversion module according to the present invention.
Detailed Description
A multi-frequency-point self-adaptive wide-range up-down frequency conversion module comprises an up-conversion module and a down-conversion module, wherein an up-conversion module adopts a singlechip controller AT89 series or STM32 series singlechip of an Italian semiconductor company with convenient upper programming, the up-conversion module and the down-conversion module are internally provided with direct-current voltage-stabilizing DC-DC power supplies, so that the frequency conversion system is more adaptive, the self-adaptive power consumption of the dual-channel multi-frequency-point is less than or equal to 9 watts, and the total power consumption of the whole system is reduced. The up-conversion module comprises a singlechip 1, the output end of the singlechip 1 is respectively connected with the input end of a phase-locked loop 1 and the input end of a phase-locked loop 2, the phase-locked loop 1 and the phase-locked loop 2 respectively divide the input frequency signals, the output end of the phase-locked loop 1 is connected with the signal input end of an upper-level mixer, the output end of the phase-locked loop 2 is connected with the signal input end of an upper-level mixer, the input end of the upper-level mixer is connected with the output end of an intermediate frequency filter, the output end of the upper-level mixer is connected with the input end of an upper-level amplifier, the output end of the upper-level amplifier is connected with the input end of an upper-level mixer, the input end of the upper-level mixer is connected with the input end of an upper-level medium filter; the down converter module comprises a singlechip 2, the output end of the singlechip 2 is respectively connected with a phase-locked loop 3 and a phase-locked loop 4, the output end of the phase-locked loop 3 is connected with the signal input end of a next-stage mixer, the output end of the phase-locked loop 4 is connected with the signal input end of a next-stage mixer, the input end of the next-stage mixer is connected with the output end of a radio frequency automatic gain amplifier, and the input end of the radio frequency automatic gain amplifier is connected with the output end of a power divider, wherein the radio frequency automatic gain amplifier adopts an IDTF2480; the input end of the power divider is connected with the output end of the lower dielectric filter, the input end of the lower dielectric filter is connected with the output end of the lower stage amplifier, the output end of the lower stage mixer is connected with the input end of the lower sound table filter, the output end of the lower sound table filter is connected with the input end of the lower second stage amplifier, the output end of the lower second stage amplifier is connected with the input end of the lower second stage mixer, the output end of the lower second stage mixer is connected with the input end of the low pass filter, the output end of the low pass filter is connected with the intermediate frequency automatic gain amplifier, and the upper stage amplifier, the upper second stage amplifier, the lower stage amplifier and the lower second stage amplifier are selected from OP027 or ICL7650 in consideration of gain effect and interference resistance; the frequency signal input interfaces of the phase-locked loop 1, the phase-locked loop 2, the phase-locked loop 3 and the phase-locked loop 4, the input end interface of the intermediate frequency automatic gain amplifier and the output end interface of the radio frequency automatic gain amplifier are all in MCX-K form, and the anti-interference sound meter filter and the sound meter filter are all in R315A form.
When the device works, the up-conversion module receives an intermediate frequency signal through an intermediate frequency filter interface and then carries out filtering, amplifying and mixing treatment to obtain a radio frequency signal; the frequency point range of the up-conversion module on one channel is 961.85MHz-981.85MHz, 972.08MHz-992.08MHz, 982.31MHz-1012.31MHz, 992.54MHz-1012.54MHz controlled by two-bit LVTTL parallel codes; the variable frequency point range on the two channels is 1217.6MHz-1237.6MHz and 1258.52MHz-1278.52MHz, and is controlled by one-bit LVTTL parallel code; the down-conversion frequency point range of the down-conversion module is 961.85MHz-981.85MHz, 972.08MHz-992.08MHz, 982.31MHz-1012.31MHz, 992.54MHz-1012.54M
HZ is controlled by two-bit LVTTL parallel codes; the frequency point range of the down-conversion of the two channels is 1217.6MHz-1237.6MHz and 1258.52MHz-1278.52MHz, and is controlled by one-bit LVTTL parallel code.
Claims (5)
1. The utility model provides a multi-frequency point self-adaptation wide range up-down conversion device, includes up-conversion module and down-conversion module, its characterized in that: the up-conversion module comprises a single chip microcomputer 1, wherein the output end of the single chip microcomputer 1 is respectively connected with the input end of a phase-locked loop 1 and the input end of a phase-locked loop 2, the output end of the phase-locked loop 1 is connected with the signal input end of an upper-level mixer, the output end of the phase-locked loop 2 is connected with the signal input end of an upper-level mixer, the input end of the upper-level mixer is connected with the output end of an intermediate frequency filter, the output end of the upper-level mixer is connected with the input end of an upper-level amplifier, the output end of the upper-level amplifier is connected with the input end of the upper-level mixer, the input end of the upper-level mixer is connected with the input end of an upper-level amplifier, and the output end of the upper-level amplifier is connected with the input end of an upper-medium filter; the down-conversion module comprises a singlechip 2, the output end of the singlechip 2 is respectively connected with the input ends of a phase-locked loop 3 and a phase-locked loop 4, the output end of the phase-locked loop 3 is connected with the signal input end of a lower-stage mixer, the output end of the phase-locked loop 4 is connected with the signal input end of a lower-stage mixer, the input end of the lower-stage mixer is connected with the output end of a radio-frequency automatic gain amplifier, the input end of the radio-frequency automatic gain amplifier is connected with the output end of a power divider, the input end of the power divider is connected with the output end of a lower dielectric filter, the input end of the lower dielectric filter is connected with the output end of the lower-stage amplifier, the output end of the lower-stage mixer is connected with the input end of a lower-stage mixer, the output end of the lower-stage mixer is connected with the input end of a low-pass filter, and the output end of the low-pass filter is connected with the input end of the low-pass amplifier.
The phase-locked loop 1, the phase-locked loop 2, the phase-locked loop 3, the frequency signal input interface of the phase-locked loop 4, the input end interface of the intermediate frequency automatic gain amplifier and the output end interface of the radio frequency automatic gain amplifier are all in MCX-K forms;
and the up-conversion module and the down-conversion module are respectively internally provided with a direct current stabilized DC-DC power supply system.
2. The multi-frequency point adaptive wide-range up-down converter according to claim 1, wherein: the singlechip 1 and the singlechip 2 adopt one of AT89 series or STM32 series.
3. The multi-frequency point adaptive wide-range up-down converter according to claim 1, wherein: the radio frequency automatic gain amplifier adopts IDTF2480.
4. The multi-frequency point adaptive wide-range up-down converter according to claim 1, wherein: the upper sound table filter and the lower sound table filter adopt R315A.
5. The multi-frequency point adaptive wide-range up-down converter according to claim 1, wherein: the upper-stage amplifier, the lower-stage amplifier and the lower-stage amplifier all select one of OP027 and ICL 7650.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110217997.6A CN113991969B (en) | 2021-02-26 | 2021-02-26 | Multi-frequency-point self-adaptive wide-range up-down frequency conversion module |
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| CN202110217997.6A CN113991969B (en) | 2021-02-26 | 2021-02-26 | Multi-frequency-point self-adaptive wide-range up-down frequency conversion module |
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| CN113991969B true CN113991969B (en) | 2023-12-22 |
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| CN114337551B (en) * | 2022-03-14 | 2022-06-21 | 河北晶禾电子技术股份有限公司 | Down-conversion device, control method and control unit on broadband |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101207403A (en) * | 2007-12-19 | 2008-06-25 | 哈尔滨工程大学 | Broadband radio frequency front end of intermediate wave frequency band high dynamic range |
| CN102970053A (en) * | 2012-12-17 | 2013-03-13 | 中国科学院半导体研究所 | Wireless sensor network application-oriented low-power consumption radio frequency receiving and sending device |
| CN204425335U (en) * | 2015-03-26 | 2015-06-24 | 成都爱洁隆信息技术有限公司 | A kind of Beidou I navigation system transceiver chip structure |
| CN105245242A (en) * | 2015-10-23 | 2016-01-13 | 上海航天测控通信研究所 | X-band spaceborne phase lock receiver |
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- 2021-02-26 CN CN202110217997.6A patent/CN113991969B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101207403A (en) * | 2007-12-19 | 2008-06-25 | 哈尔滨工程大学 | Broadband radio frequency front end of intermediate wave frequency band high dynamic range |
| CN102970053A (en) * | 2012-12-17 | 2013-03-13 | 中国科学院半导体研究所 | Wireless sensor network application-oriented low-power consumption radio frequency receiving and sending device |
| CN204425335U (en) * | 2015-03-26 | 2015-06-24 | 成都爱洁隆信息技术有限公司 | A kind of Beidou I navigation system transceiver chip structure |
| CN105245242A (en) * | 2015-10-23 | 2016-01-13 | 上海航天测控通信研究所 | X-band spaceborne phase lock receiver |
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