CN106533405B - RFID high-power control device - Google Patents
RFID high-power control device Download PDFInfo
- Publication number
- CN106533405B CN106533405B CN201611179164.0A CN201611179164A CN106533405B CN 106533405 B CN106533405 B CN 106533405B CN 201611179164 A CN201611179164 A CN 201611179164A CN 106533405 B CN106533405 B CN 106533405B
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- Prior art keywords
- unit
- communication link
- switch
- blocking
- control device
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/002—Switching arrangements with several input- or output terminals
- H03K17/007—Switching arrangements with several input- or output terminals with several outputs only
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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
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Abstract
The RFID high-power control device comprises a first communication link, a second communication link and a control conversion unit, wherein the first communication link mainly comprises a first blocking unit, a first switching unit, a second blocking unit and a second switching unit; the second communication link mainly comprises a first blocking unit, a first switching unit, a third switching unit and an impedance matching unit. The invention is suitable for the high-power (more than 200W) signal control radio frequency switch, and has the advantages of ensuring smaller loss (0.1 dB), improving the bearing power of the switch, having reasonable structure, reducing the production cost, along with reasonable PCB layout and stable operation.
Description
Technical Field
The invention belongs to the field of power switches, and particularly relates to an RFID high-power control device.
Background
Currently, radio frequency switches used in time division duplex transmit-receive switches employed in communication systems are largely divided into two types: a miniaturized switch for MEM micro-assembly and a PIN radio frequency switch for a transmit path. The former has the disadvantages of low bearing power, short service life and higher cost; the latter has the disadvantages of large insertion loss, large volume and large power consumption.
Disclosure of Invention
In view of the above, the present invention is directed to an RFID high-power control device capable of controlling a high-power signal of a radio frequency channel.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
an RFID high power control device, characterized in that: the communication link I mainly comprises a first blocking unit, a first switching unit, a second blocking unit and a second switching unit; the second communication link mainly comprises a first blocking unit, a first switching unit, a third switching unit and an impedance matching unit;
the first blocking unit is coupled with the first switch unit, the second blocking unit is coupled with the second switch unit, and the third switch unit is coupled with the impedance matching unit; the first switch unit, the second switch unit and the third switch unit are all connected with the control conversion unit.
The second communication link also comprises a fourth switch unit and a third blocking unit, the control conversion unit is connected with the fourth switch unit, and the fourth switch unit is coupled with the third blocking unit.
Further, the power of the matching circuit of the communication link is not lower than 200W, and the loss is close to 0.1dB.
Further, the isolation of the second matching circuit of the communication link is not lower than 70dB.
Furthermore, the switch unit mainly comprises a switch tube and a direct current short-circuiting device.
Furthermore, the impedance matching unit adopts a flexible radio frequency cable.
Compared with the prior art, the RFID high-power control device has the following advantages: the invention is suitable for the high-power (more than 200W) signal control radio frequency switch, and has the advantages of ensuring smaller loss (0.1 dB), improving the bearing power of the switch, having reasonable structure, reducing the production cost, along with reasonable PCB layout and stable operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute an undue limitation on the invention. In the drawings:
FIG. 1 is a schematic view of a structure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the switch unit according to an embodiment of the invention.
Reference numerals illustrate:
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The RFID high-power control device comprises a first communication link, a second communication link and a control conversion unit, wherein the first communication link mainly comprises a blocking unit 1, a switching unit 1, a blocking unit 2 and a switching unit 2; the second communication link mainly comprises a blocking unit 1, a switching unit 3 and an impedance matching unit;
the blocking unit 1 is coupled with the switch unit 1, the blocking unit 2 is coupled with the switch unit 2, and the switch unit 3 is coupled with the impedance matching unit; the switch unit 1, the switch unit 2 and the switch unit 3 are all connected with a control conversion unit, and the control conversion unit controls the conversion of the first communication link and the second communication link.
The second communication link also comprises a switch unit 4 and a blocking unit 3, wherein the switch unit is connected with the switch unit 4 through an impedance accompany unit, and the switch unit 4 is coupled with the blocking unit 3. The adopted switching unit mainly comprises a switching tube and a direct current short-circuiting device. The impedance matching unit adopts a flexible radio frequency cable.
The communication link I provides low loss and higher bearing power through simulation, optimization and later debugging; the communication link provides low loss and high isolation between the two paths through emulation, optimization and post-debugging. The blocking unit is used for protecting the input and output of the port, preventing the control voltage from damaging the output port, and simultaneously enabling the input and output to be matched with a 50Ω load. The impedance matching unit is used for improving the isolation of two paths, the impedance matching unit adopts a flexible radio frequency cable, experimental data obtained after simulation and debugging are adopted, and the direct current short circuit device is used for preventing the conversion voltage of the conversion control circuit from leaking to other units.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An RFID high power control device, characterized in that: the communication link I mainly comprises a first blocking unit, a first switching unit, a second blocking unit and a second switching unit; the second communication link mainly comprises a first blocking unit, a first switching unit, a third switching unit and an impedance matching unit;
the first blocking unit is coupled with the first switch unit, the second blocking unit is coupled with the second switch unit, and the third switch unit is coupled with the impedance matching unit; the first switch unit, the second switch unit and the third switch unit are all connected with the control conversion unit;
the second communication link also comprises a fourth switch unit and a third blocking unit, the control conversion unit is connected with the fourth switch unit, and the fourth switch unit is coupled with the third blocking unit.
2. The RFID high power control device of claim 1, wherein: the switch unit mainly comprises a switch tube and a direct current short-circuiting device.
3. The RFID high power control device of claim 1, wherein: the impedance matching unit adopts a flexible radio frequency cable.
4. The RFID high power control device of claim 1, wherein: the power of the communication link-matching circuit is not lower than 200W, and the loss is close to 0.1dB.
5. The RFID high power control device of claim 1, wherein: the isolation degree of the second matching circuit of the communication link is not lower than 70dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179164.0A CN106533405B (en) | 2016-12-19 | 2016-12-19 | RFID high-power control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611179164.0A CN106533405B (en) | 2016-12-19 | 2016-12-19 | RFID high-power control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106533405A CN106533405A (en) | 2017-03-22 |
| CN106533405B true CN106533405B (en) | 2023-08-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611179164.0A Active CN106533405B (en) | 2016-12-19 | 2016-12-19 | RFID high-power control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106533405B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394173A (en) * | 2007-09-19 | 2009-03-25 | 中国科学院微电子研究所 | Single-pole double-throw switch based on enhanced PHEMT |
| CN101673861A (en) * | 2009-10-12 | 2010-03-17 | 京信通信***（中国）有限公司 | single-pole double throw RF switch device and implementation method thereof |
| CN201528028U (en) * | 2009-10-12 | 2010-07-14 | 京信通信***（中国）有限公司 | Single-pole double-throw radio frequency switch device |
| CN206729380U (en) * | 2016-12-19 | 2017-12-12 | 天津光电通信技术有限公司 | A kind of single-knife dual-close large power radio frequency switch device |
| CN109947010A (en) * | 2019-01-14 | 2019-06-28 | 杭州威力克通信***有限公司 | A kind of active access feed control device, microstrip power divider and combiner |
-
2016
- 2016-12-19 CN CN201611179164.0A patent/CN106533405B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394173A (en) * | 2007-09-19 | 2009-03-25 | 中国科学院微电子研究所 | Single-pole double-throw switch based on enhanced PHEMT |
| CN101673861A (en) * | 2009-10-12 | 2010-03-17 | 京信通信***（中国）有限公司 | single-pole double throw RF switch device and implementation method thereof |
| CN201528028U (en) * | 2009-10-12 | 2010-07-14 | 京信通信***（中国）有限公司 | Single-pole double-throw radio frequency switch device |
| CN206729380U (en) * | 2016-12-19 | 2017-12-12 | 天津光电通信技术有限公司 | A kind of single-knife dual-close large power radio frequency switch device |
| CN109947010A (en) * | 2019-01-14 | 2019-06-28 | 杭州威力克通信***有限公司 | A kind of active access feed control device, microstrip power divider and combiner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106533405A (en) | 2017-03-22 |
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