CN103441776B - Wireless transceiver and logic control method thereof - Google Patents
Wireless transceiver and logic control method thereof Download PDFInfo
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- CN103441776B CN103441776B CN201310323994.6A CN201310323994A CN103441776B CN 103441776 B CN103441776 B CN 103441776B CN 201310323994 A CN201310323994 A CN 201310323994A CN 103441776 B CN103441776 B CN 103441776B
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Abstract
The invention belongs to Internet of Things communication technique field, relate to a kind of wireless transceiver and logic control method thereof.Solve the technical problems such as existing design is reasonable not.RF communication chip is connected with crystal oscillating circuit, balun circuit, power supply processing circuit and Subscriber Interface Module SIM, Subscriber Interface Module SIM comprises power interface, SPI interface, REN control interface and TEN control interface, power interface is connected with power supply processing circuit, SPI interface is connected with RF communication chip, REN control interface is connected with signal transacting and switch unit by RXEN control line, TEN control interface is connected with signal transacting and switch unit by TXEN control line, power supply processing circuit and balun circuit are connected with signal transacting and switch unit respectively, antenna is connected on signal transacting and switch unit.Its advantage is: 1, simple and compact for structure, uses module few, with low cost.2, transmitting power is high and tranmitting frequency is adjustable, flexible and convenient to use.
Description
Technical field
The invention belongs to Internet of Things communication technique field, relate to radio transmission apparatus, especially relate to a kind of wireless transceiver and logic control method thereof.
Background technology
Wireless transceiver is a kind of equipment receiving and send wireless signal, in today that electronic information technology is more and more flourishing, has popularized in daily life.Wireless transceiver is widely used in the industries such as Internet of Things.Traditional wireless transceiver configuration is complicated, and use module many, price is high, and transmitting power is general, usually only has 10mW, is not suitable for the development trend of Internet of Things industry.
For this reason, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of wireless transceiver system [application number: 200610034228.8], comprises transceiver, the flourishing device of tower top and transmission loss detector.Transceiver is used for transmitting the first signal with delivering power, tower amplifier connects this transceiver by cable, for from this transceivers secondary signal, and secondary signal is amplified, secondary signal is that the first signal is via the signal after cable attenuation, transmission loss detector is connected to tower amplifier, for calculating the transmission loss between tower amplifier.This wireless transceiver system by the transmission loss between transmission loss detector accurate Calculation transceiver and the flourishing device of tower top, then passes through the transmission loss of tower amplifier fine compensation, thus improves the usefulness of wireless transceiver system.But there is complex structure equally, use module many, thus the defect causing price high.
Chinese patent literature also discloses a kind of wireless transceiver [application number: 201120422747.8], this wireless transceiver is connected with game device by USB interface, comprise: USB connection-peg, the storage medium storing Game Menu Auto Loader, radio receiving transmitting module, main control chip are all connected with described USB connection-peg, storage medium, radio receiving transmitting module, main control chip exports the Game Menu Auto Loader stored in described storage medium to described game device.Such scheme facilitates the realization of game, but transmitting power is general, usually only has 10mW.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, simple and compact for structure, wireless transceiver flexible and convenient to use.
It is a kind of easy to implement that the present invention also has an object to be to provide, the logic control method of the reliable wireless transceiver of working stability.
For achieving the above object, present invention employs following technical proposal: this wireless transceiver, comprise RF communication chip and antenna, RF communication chip is connected with crystal oscillating circuit, balun circuit, power supply processing circuit and Subscriber Interface Module SIM, it is characterized in that, this transceiver also comprises signal transacting and switch unit, described Subscriber Interface Module SIM comprises power interface, SPI interface, REN control interface and TEN control interface, described power interface is connected with power supply processing circuit, described SPI interface is connected with RF communication chip, described REN control interface is connected with signal transacting and switch unit by RXEN control line, described TEN control interface is connected with signal transacting and switch unit by TXEN control line, described power supply processing circuit and balun circuit are connected with signal transacting and switch unit respectively, described antenna is connected on signal transacting and switch unit.
In above-mentioned wireless transceiver, described signal transacting and switch unit comprise low-pass filter circuit, RF power amplifier and RF commutation circuit, described RF power amplifier is connected with described TEN control interface by described TXEN control line, described RF commutation circuit is connected with described REN control interface by described RXEN control line, described power supply processing circuit is connected with RF power amplifier and RF power amplifier and RF commutation circuit are interconnected, described low-pass filter circuit is connected with RF commutation circuit with balun circuit respectively, described antenna is connected in RF commutation circuit.
In above-mentioned wireless transceiver, described RF commutation circuit comprises to be connected with low-pass filter circuit a RF diverter switch and the 2nd RF diverter switch that is connected with antenna, a described RF diverter switch is interconnected with the 2nd RF diverter switch and RF power amplifier is connected with the 2nd RF diverter switch with a RF diverter switch, and a described RF diverter switch is all connected with described REN control interface by RXEN control line with the 2nd RF diverter switch.
In above-mentioned wireless transceiver, described signal transacting and switch unit comprise the first low-pass filter circuit, RF power amplifier and RF commutation circuit, described RF power amplifier is connected with described TEN control interface by described TXEN control line, described RF commutation circuit is connected with described REN control interface by described RXEN control line, described power supply processing circuit is connected with RF power amplifier and RF power amplifier and RF commutation circuit are interconnected, described balun circuit is connected with RF commutation circuit, the first described low-pass filter circuit is connected between RF power amplifier and RF commutation circuit, described antenna is connected in RF commutation circuit.
In above-mentioned wireless transceiver, described signal transacting and switch unit also comprise the second low-pass filter circuit and described balun circuit is connected with RF commutation circuit by the second low-pass filter circuit.
In above-mentioned wireless transceiver, described RF commutation circuit comprises and is interconnected the 3rd RF diverter switch and the 4th RF diverter switch, the second described low-pass filter circuit is connected with the 3rd RF diverter switch, the 4th described RF diverter switch is connected with antenna, described RF power amplifier and the first low-pass filter circuit are connected with the 4th RF diverter switch with the 3rd RF diverter switch respectively, and the 3rd described RF diverter switch is all connected with described REN control interface by RXEN control line with the 4th RF diverter switch.
In above-mentioned wireless transceiver, described signal transacting and switch unit comprise low-pass filter circuit, RF power amplifier and RF commutation circuit, described RF power amplifier is connected with described TEN control interface by described TXEN control line, described RF commutation circuit is connected with described REN control interface by described RXEN control line, described power supply processing circuit is connected with RF power amplifier and RF power amplifier and RF commutation circuit are interconnected, described balun circuit is connected with RF commutation circuit, described low-pass filter circuit is connected between RF commutation circuit and antenna.
In above-mentioned wireless transceiver, described RF commutation circuit comprises and is interconnected the 5th RF diverter switch and the 6th RF diverter switch, the 5th described RF diverter switch is connected with balun circuit, the 6th described RF diverter switch is connected with low-pass filter circuit, described RF power amplifier respectively with the 5th RF diverter switch and the 6th RF diverter switch, the 5th described RF diverter switch is all connected with described REN control interface by RXEN control line with the 6th RF diverter switch.
In above-mentioned wireless transceiver, this transceiver also comprises the radome covered by each several part; Described RF communication chip is the variable RF communication chip of working frequency range; Described Subscriber Interface Module SIM is provided with the switching construction for changing RF communication chip working frequency range.
The logic control method of wireless transceiver, is characterized in that, this logic control method comprises following:
A, when RXEN control line is low level and TXEN control line is high level, wireless transceiver is in transmission state;
B, when RXEN control line is high level and TXEN control line is low level, wireless transceiver is in accepting state;
C, when RXEN control line is low level and TXEN control line is low level, wireless transceiver is in low power consumpting state;
D, do not allow to control to RXEN control line and be high level and TXEN control line is high level.
Compared with prior art, the advantage of this wireless transceiver and logic control method thereof is: 1, reasonable in design, simple and compact for structure, uses module few, with low cost.2, transmitting power is high and tranmitting frequency is adjustable, flexible and convenient to use, is applicable to the technology trends of Internet of Things industry.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation provided by the invention.
Fig. 2 is embodiment 2 structural representation provided by the invention.
Fig. 3 is embodiment 3 structural representation provided by the invention.
Fig. 4 is embodiment 4 structural representation provided by the invention.
Fig. 5 is embodiment 5 structural representation provided by the invention.
Fig. 6 is embodiment 6 structural representation provided by the invention.
Fig. 7 is embodiment 7 structural representation provided by the invention.
In figure, RF communication chip 1, antenna 2, crystal oscillating circuit 3, balun circuit 4, power supply processing circuit 5, Subscriber Interface Module SIM 6, power interface 61, SPI interface 62, REN control interface 63, TEN control interface 64, signal transacting and switch unit 7, RXEN control line 8, TXEN control line 9, low-pass filter circuit 10, first low-pass filter circuit 101, second low-pass filter circuit 102, RF power amplifier 12, RF commutation circuit 13, one RF diverter switch 131, 2nd RF diverter switch 132, 3rd RF diverter switch 133, 4th RF diverter switch 134, 5th RF diverter switch 135, 6th RF diverter switch 136.
Embodiment
Embodiment 1:
As shown in Figure 1, this wireless transceiver comprises RF communication chip 1 and antenna 2.Antenna 2 is any one in spring antenna, SMA seat relay antenna, UFL seat relay antenna, bar antenna, whip antenna, PCB antenna.In the present embodiment, directly weld spring antenna 2, antenna 2 frequency is determined according to analog operation frequency range.RF communication chip 1 is connected with crystal oscillating circuit 3, balun circuit 4, power supply processing circuit 5 and Subscriber Interface Module SIM 6.This transceiver also comprises signal transacting and switch unit 7, described Subscriber Interface Module SIM 6 comprises power interface 61, SPI interface 62, REN control interface 63 and TEN control interface 64, described power interface 61 is connected with power supply processing circuit 5, described SPI interface 62 is connected with RF communication chip 1, described REN control interface 63 is connected with signal transacting and switch unit 7 by RXEN control line 8, described TEN control interface 64 is connected with signal transacting and switch unit 7 by TXEN control line 9, described power supply processing circuit 5 is connected with signal transacting and switch unit 7 respectively with balun circuit 4, described antenna 2 is connected on signal transacting and switch unit 7.
More particularly, signal transacting and switch unit 7 comprise low-pass filter circuit 10, RF power amplifier 12 and RF commutation circuit 13.RF power amplifier 12 is connected with described TEN control interface 64 by described TXEN control line 9, described RF commutation circuit 13 is connected with described REN control interface 63 by described RXEN control line 8, described power supply processing circuit 5 is connected with RF power amplifier 12 and RF power amplifier 12 and RF commutation circuit 13 are interconnected, described low-pass filter circuit 10 is connected with RF commutation circuit 13 with balun circuit 4 respectively, and described antenna 2 is connected in RF commutation circuit 13.This transceiver also comprises the radome covered by each several part, and does good grounding.Described RF communication chip 1 is the variable RF communication chip of working frequency range; Described Subscriber Interface Module SIM 6 is provided with the switching construction for changing RF communication chip 1 working frequency range.The present embodiment is selected whether to access RF power amplifier 12 by RF commutation circuit 13, and whether user can directly be opened by Subscriber Interface Module SIM 6 control RF power amplifier 12.
The logic control method of wireless transceiver, comprises following:
A, when RXEN control line 8 be low level and TXEN control line 9 for high level time, wireless transceiver is in transmission state; Now, RF power amplifier 12 is opened, and low-pass filter circuit 10 inputs with RF power amplifier 12 and is connected by RF commutation circuit 13, is exported by RF power amplifier 12 and is connected with antenna 2.
B, when RXEN control line 8 be high level and TXEN control line 9 for low level time, wireless transceiver is in accepting state; Now, RF power amplifier 12 is closed, and low-pass filter circuit 10 is connected with antenna 2 by RF commutation circuit 13.
C, when RXEN control line 8 be low level and TXEN control line 9 for low level time, wireless transceiver is in low power consumpting state; Now, RF power amplifier 12 is closed.
D, do not allow to control to RXEN control line 8 for high level and TXEN control line 9 is high level.
Power supply processing circuit 5 comprises the element such as magnetic bead, capacitor, its objective is and carries out filtering process to power supply, and power supply can be made pure, ensures transceiver steady operation, does not pollute external power source when ensureing transceiver work simultaneously.RF communication chip 1 completes data encoding, data decode, radiofrequency signal generation, signal madulation, signal receiving, radio frequency transmission, radio frequency reception etc., forms minimum radio system, maximum program simplification transceiver design.Crystal oscillating circuit 3 and RF communication chip 1 collaborative work, for RF communication chip 1 provides standard time clock.Radiofrequency signal is carried out balance and non-balance transmission conversion by balun circuit 4, and the difference output of RF communication chip 1 is converted to Single-end output.Clutter in low-pass filter circuit 10 filtering radiofrequency signal and high order harmonic component.RF commutation circuit 13 low-pass filter circuit 10, RF power amplifier 12, antenna 2 three physics are connected, and according to user's control mode, switch to different logical connection state.Radio frequency signal amplifies by RF power amplifier 12, obtains higher power output.
During work, power supply input carries out decoupling and filtering through power supply processing circuit 5, for RF power amplifier 12 and RF communication chip 1 are powered; Crystal oscillating circuit 3 provides standard reference signal for RF communication chip 1; The radiofrequency signal that RF communication chip 1 exports exports low-pass filter circuit 10 to after balun circuit 3 is changed; RF commutation circuit 13 is connected to after low-pass filter circuit 10 pairs of RF signals carry out filtering process; Low-pass filter circuit 10, when user controls as transmission state, is connected to the input of RF power amplifier, the output of RF power amplifier is connected to antenna 2 by RF commutation circuit 13; Low-pass filter circuit 10, when user controls as accepting state, is connected to antenna 2 by RF commutation circuit 13; User controls, for transmission state, while controlling the switching direction of RF commutation circuit 13, to open RF power amplifier 12, make it start working; User controls, for accepting state, while controlling the switching direction of RF commutation circuit 13, to close RF power amplifier 12, make it stopped work.
The data sent are needed to be transferred to RF communication chip 1 by the SPI interface 62 in Subscriber Interface Module SIM 6, after chip digital process, be modulated to and need after in frequency range, export RF radiofrequency signal, radiofrequency signal is by going out with electromagnetic radiation by antenna 2 after foregoing circuit process; After antenna 2 receives useful signal, again by above circuit transmission to RF communication chip 1, after demodulation, digital processing, exported by the SPI interface 62 in Subscriber Interface Module SIM 6.This transceiver working frequency range is variable, selects different RF communication chip 1 and different components parameter and makes transceiver to be applied to different frequency range.
When selection CC1101 chip is as RF communication chip 1, coordinate 433MHz balun circuit 3,433MHz low-pass filter circuit 10,433MHzRF power amplifier 12,433MHz antenna 2, this transceiver can work 420MHz-440MHz.When selection CC1100E chip is as RF communication chip 1, coordinate 470MHz balun circuit 3,470MHz low-pass filter circuit 10,470MHzRF power amplifier 12,470MHz antenna 2, this transceiver can work 460MHz-480MHz.In the present embodiment, transmitting power is 50mW, and emission current is less than or equal to 100mA, and received current is less than or equal to 24mA, and standby current is less than 2uA, and operating voltage is 2.7V to 3.3V.
Embodiment 2:
As shown in Figure 2, in the present embodiment, RF commutation circuit 13 comprises to be connected with low-pass filter circuit 10 a RF diverter switch 131 and the 2nd RF diverter switch 132 that is connected with antenna 2, a described RF diverter switch 131 is interconnected with the 2nd RF diverter switch 132 and RF power amplifier 12 is connected with the 2nd RF diverter switch 132 with a RF diverter switch 131, and a described RF diverter switch 131 is all connected with described REN control interface 63 by RXEN control line 8 with the 2nd RF diverter switch 132.All the other all with embodiment 1 roughly the same, do not repeat herein.
Embodiment 3:
As shown in Figure 3, in the present embodiment, signal transacting and switch unit 7 comprise the first low-pass filter circuit 101, RF power amplifier 12 and RF commutation circuit 13, described RF power amplifier 12 is connected with described TEN control interface 64 by described TXEN control line 9, described RF commutation circuit 13 is connected with described REN control interface 63 by described RXEN control line 8, described power supply processing circuit 5 is connected with RF power amplifier 12 and RF power amplifier 12 and RF commutation circuit 13 are interconnected, described balun circuit 4 is connected with RF commutation circuit 13, the first described low-pass filter circuit 101 is connected between RF power amplifier 12 and RF commutation circuit 13, described antenna 2 is connected in RF commutation circuit 13.All the other all with embodiment 1 roughly the same, do not repeat herein.
Embodiment 4:
As shown in Figure 4, in the present embodiment, signal transacting and switch unit 7 also comprise the second low-pass filter circuit 102 and described balun circuit 4 is connected with RF commutation circuit 13 by the second low-pass filter circuit 102.All the other all with embodiment 3 roughly the same, do not repeat herein.
Embodiment 5:
As shown in Figure 5, in the present embodiment, RF commutation circuit 13 comprises and is interconnected the 3rd RF diverter switch 133 and the 4th RF diverter switch 134, the second described low-pass filter circuit 102 is connected with the 3rd RF diverter switch 133, the 4th described RF diverter switch 134 is connected with antenna 2, described RF power amplifier 12 is connected with the 4th RF diverter switch 134 with the 3rd RF diverter switch 133 respectively with the first low-pass filter circuit 101, and the 3rd described RF diverter switch 133 is all connected with described REN control interface 63 by RXEN control line 8 with the 4th RF diverter switch 134.All the other all with embodiment 4 roughly the same, do not repeat herein.
Embodiment 6:
As shown in Figure 6, in the present embodiment, signal transacting and switch unit 7 comprise low-pass filter circuit 10, RF power amplifier 12 and RF commutation circuit 13, described RF power amplifier 12 is connected with described TEN control interface 64 by described TXEN control line 9, described RF commutation circuit 13 is connected with described REN control interface 63 by described RXEN control line 8, described power supply processing circuit 5 is connected with RF power amplifier 12 and RF power amplifier 12 and RF commutation circuit 13 are interconnected, described balun circuit 4 is connected with RF commutation circuit 13, described low-pass filter circuit 10 is connected between RF commutation circuit 13 and antenna 2.All the other all with embodiment 1 roughly the same, do not repeat herein.
Embodiment 7:
As shown in Figure 7, in the present embodiment, RF commutation circuit 13 comprises and is interconnected the 5th RF diverter switch 135 and the 6th RF diverter switch 136, the 5th described RF diverter switch 135 is connected with balun circuit 4, the 6th described RF diverter switch 136 is connected with low-pass filter circuit 10, described RF power amplifier 12 respectively with the 5th RF diverter switch 135 and the 6th RF diverter switch 136, the 5th described RF diverter switch 135 is all connected with described REN control interface 63 by RXEN control line 8 with the 6th RF diverter switch 136.All the other all with embodiment 6 roughly the same, do not repeat herein.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ RF communication chip 1 herein, antenna 2, crystal oscillating circuit 3, balun circuit 4, power supply processing circuit 5, Subscriber Interface Module SIM 6, power interface 61, SPI interface 62, REN control interface 63, TEN control interface 64, signal transacting and switch unit 7, RXEN control line 8, TXEN control line 9, low-pass filter circuit 10, first low-pass filter circuit 101, second low-pass filter circuit 102, RF power amplifier 12, RF commutation circuit 13, one RF diverter switch 131, 2nd RF diverter switch 132, 3rd RF diverter switch 133, 4th RF diverter switch 134, 5th RF diverter switch 135, 6th term such as RF diverter switch 136 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. a wireless transceiver, comprise RF communication chip (1) and antenna (2), RF communication chip (1) is connected with crystal oscillating circuit (3), balun circuit (4), power supply processing circuit (5) and Subscriber Interface Module SIM (6), it is characterized in that, this transceiver also comprises signal transacting and switch unit (7), described Subscriber Interface Module SIM (6) comprises power interface (61), SPI interface (62), REN control interface (63) and TEN control interface (64), described power interface (61) is connected with power supply processing circuit (5), described SPI interface (62) is connected with RF communication chip (1), described REN control interface (63) is connected with signal transacting and switch unit (7) by RXEN control line (8), described TEN control interface (64) is connected with signal transacting and switch unit (7) by TXEN control line (9), described power supply processing circuit (5) is connected with signal transacting and switch unit (7) respectively with balun circuit (4), described antenna (2) is connected on signal transacting and switch unit (7),
The logic control method of described wireless transceiver comprises following:
A, when RXEN control line (8) for low level and TXEN control line (9) for high level time, wireless transceiver is in transmission state;
B, when RXEN control line (8) for high level and TXEN control line (9) for low level time, wireless transceiver is in accepting state;
C, when RXEN control line (8) for low level and TXEN control line (9) for low level time, wireless transceiver is in low power consumpting state;
D, do not allow to control to RXEN control line (8) for high level and TXEN control line (9) is high level;
Described signal transacting and switch unit (7) comprise low-pass filter circuit (10), RF power amplifier (12) and RF commutation circuit (13), described RF power amplifier (12) is connected with described TEN control interface (64) by described TXEN control line (9), described RF commutation circuit (13) is connected with described REN control interface (63) by described RXEN control line (8), described power supply processing circuit (5) is connected with RF power amplifier (12) and RF power amplifier (12) and RF commutation circuit (13) are interconnected, described low-pass filter circuit (10) is connected with RF commutation circuit (13) with balun circuit (4) respectively, described antenna (2) is connected in RF commutation circuit (13),
Or, described signal transacting and switch unit (7) comprise the first low-pass filter circuit (101), RF power amplifier (12) and RF commutation circuit (13), described RF power amplifier (12) is connected with described TEN control interface (64) by described TXEN control line (9), described RF commutation circuit (13) is connected with described REN control interface (63) by described RXEN control line (8), described power supply processing circuit (5) is connected with RF power amplifier (12) and RF power amplifier (12) and RF commutation circuit (13) are interconnected, described balun circuit (4) is connected with RF commutation circuit (13), described the first low-pass filter circuit (101) is connected between RF power amplifier (12) and RF commutation circuit (13), described antenna (2) is connected in RF commutation circuit (13),
Or, described signal transacting and switch unit (7) comprise low-pass filter circuit (10), RF power amplifier (12) and RF commutation circuit (13), described RF power amplifier (12) is connected with described TEN control interface (64) by described TXEN control line (9), described RF commutation circuit (13) is connected with described REN control interface (63) by described RXEN control line (8), described power supply processing circuit (5) is connected with RF power amplifier (12) and RF power amplifier (12) and RF commutation circuit (13) are interconnected, described balun circuit (4) is connected with RF commutation circuit (13), described low-pass filter circuit (10) is connected between RF commutation circuit (13) and antenna (2).
2. wireless transceiver according to claim 1, it is characterized in that, described RF commutation circuit (13) comprises to be connected with low-pass filter circuit (10) a RF diverter switch (131) and the 2nd RF diverter switch (132) that is connected with antenna (2), a described RF diverter switch (131) is interconnected with the 2nd RF diverter switch (132) and RF power amplifier (12) is connected with the 2nd RF diverter switch (132) with a RF diverter switch (131), a described RF diverter switch (131) is all connected with described REN control interface (63) by RXEN control line (8) with the 2nd RF diverter switch (132).
3. wireless transceiver according to claim 1, it is characterized in that, described signal transacting and switch unit (7) also comprise the second low-pass filter circuit (102) and described balun circuit (4) is connected with RF commutation circuit (13) by the second low-pass filter circuit (102).
4. wireless transceiver according to claim 3, it is characterized in that, described RF commutation circuit (13) comprises and is interconnected the 3rd RF diverter switch (133) and the 4th RF diverter switch (134), described the second low-pass filter circuit (102) is connected with the 3rd RF diverter switch (133), the 4th described RF diverter switch (134) is connected with antenna (2), described RF power amplifier (12) and the first low-pass filter circuit (101) are connected with the 4th RF diverter switch (134) with the 3rd RF diverter switch (133) respectively, the 3rd described RF diverter switch (133) is all connected with described REN control interface (63) by RXEN control line (8) with the 4th RF diverter switch (134).
5. wireless transceiver according to claim 1, it is characterized in that, described RF commutation circuit (13) comprises and is interconnected the 5th RF diverter switch (135) and the 6th RF diverter switch (136), the 5th described RF diverter switch (135) is connected with balun circuit (4), the 6th described RF diverter switch (136) is connected with low-pass filter circuit (10), described RF power amplifier (12) respectively with the 5th RF diverter switch (135) and the 6th RF diverter switch (136), the 5th described RF diverter switch (135) is all connected with described REN control interface (63) by RXEN control line (8) with the 6th RF diverter switch (136).
6. according to the wireless transceiver in claim 1-5 described in any one, it is characterized in that, this transceiver also comprises the radome covered by each several part; Described RF communication chip (1) is the variable RF communication chip of working frequency range; Described Subscriber Interface Module SIM (6) is provided with the switching construction for changing RF communication chip (1) working frequency range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310323994.6A CN103441776B (en) | 2013-07-26 | 2013-07-26 | Wireless transceiver and logic control method thereof |
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| CN201310323994.6A CN103441776B (en) | 2013-07-26 | 2013-07-26 | Wireless transceiver and logic control method thereof |
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| CN103441776B true CN103441776B (en) | 2015-12-09 |
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| CN107392076B (en) * | 2017-09-07 | 2023-11-10 | 广州佳都数据服务有限公司 | Multi-antenna control circuit and multi-antenna reader-writer |
| CN111915859A (en) * | 2020-09-04 | 2020-11-10 | 中国农业大学 | Equine animal childbirth alarm system |
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| CN101034910A (en) * | 2006-03-08 | 2007-09-12 | 鸿富锦精密工业（深圳）有限公司 | Wireless receiving and transmission system |
| CN201821340U (en) * | 2010-07-28 | 2011-05-04 | 利尔达科技有限公司 | 470M 50mW wireless transceiver |
| CN202533976U (en) * | 2012-02-08 | 2012-11-14 | 深圳市远望谷信息技术股份有限公司 | Wireless programming device used for electronic label |
| CN203387503U (en) * | 2013-07-26 | 2014-01-08 | 杭州隽德科技有限公司 | Adjustable wireless transceiver |
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|---|---|---|---|---|
| CN101034910A (en) * | 2006-03-08 | 2007-09-12 | 鸿富锦精密工业（深圳）有限公司 | Wireless receiving and transmission system |
| CN201821340U (en) * | 2010-07-28 | 2011-05-04 | 利尔达科技有限公司 | 470M 50mW wireless transceiver |
| CN202533976U (en) * | 2012-02-08 | 2012-11-14 | 深圳市远望谷信息技术股份有限公司 | Wireless programming device used for electronic label |
| CN203387503U (en) * | 2013-07-26 | 2014-01-08 | 杭州隽德科技有限公司 | Adjustable wireless transceiver |
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Denomination of invention: Wireless transceiver and logic control method thereof Effective date of registration: 20190311 Granted publication date: 20151209 Pledgee: Bank of China Limited by Share Ltd Foshan branch Pledgor: Foshan Seri Communication Co., Ltd. Registration number: 2019440000094 |
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