CN203387503U - Adjustable wireless transceiver - Google Patents
Adjustable wireless transceiver Download PDFInfo
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- CN203387503U CN203387503U CN201320457831.2U CN201320457831U CN203387503U CN 203387503 U CN203387503 U CN 203387503U CN 201320457831 U CN201320457831 U CN 201320457831U CN 203387503 U CN203387503 U CN 203387503U
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Abstract
The utility model belongs to the technical field of internet of things communication, relates to an adjustable wireless transceiver and solves technical problems that the existing design is not reasonable enough and the like. An RF communication chip is connected to a crystal oscillator circuit, a balun circuit, a power supply processing circuit and a user interface module, wherein the user interface module comprises a power supply interface, an SPI interface, an REN control interface and a TEN control interface, the power supply interface is connected with the power supply processing circuit, the SPI interface is connected with the RF communication chip, the REN control interface is connected with a signal processing and switching unit through an RXEN control line, the TEN control interface is connected with the signal processing and switching unit through a TXEN control line, the power supply processing circuit and the balun circuit are connected with the signal processing and switching unit, and an antenna is connected to the signal processing and switching unit. The adjustable wireless transceiver has the advantages that: 1, the structure is simple and compact, the number of used modules is small, and the cost is low; and 2, the transmission power is high, the transmission frequency is adjustable, and the use is flexible and convenient.
Description
Technical field
The utility model belongs to the Internet of Things communication technique field, relates to radio transmission apparatus, especially relates to a kind of adjustable wireless transceiver.
Background technology
Wireless transceiver is a kind of equipment that receives and send wireless signal, more and more flourishing today in electronic information technology, popularizes in daily life.Wireless transceiver is widely used in the industries such as Internet of Things.Traditional wireless transceiver configuration complexity, used module many, and 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, have proposed various solutions.For example, 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 for transmitting first signal with delivering power, tower amplifier connects this transceiver by cable, for from this transceiver, receiving secondary signal, and secondary signal is amplified, secondary signal is the signal of first signal after via cable attenuation, transmission loss detector is connected in tower amplifier, for the transmission loss between calculating and tower amplifier.This wireless transceiver system can pass through the transmission loss between transmission loss detector accurate Calculation transceiver and the flourishing device of tower top, then by the transmission loss of tower amplifier fine compensation, thereby the usefulness of raising wireless transceiver system.But there is equally complex structure, use module many, thereby cause the defect that price is 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 that stores the Game Menu Auto Loader, radio receiving transmitting module, main control chip all are connected with described USB connection-peg, storage medium, radio receiving transmitting module, and main control chip is exported the Game Menu Auto Loader of storing in described storage medium to described game device.Such scheme has facilitated the realization of game, but transmitting power is general, usually only has 10mW.
The utility model content
The purpose of this utility model is for the problems referred to above, provides a kind of reasonable in design, simple and compact for structure, adjustable wireless transceiver flexible and convenient to use.
For achieving the above object, the utility model has adopted following technical proposal: this adjustable wireless transceiver, comprise RF communication chip and antenna, be connected with crystal oscillating circuit on the RF communication chip, balun circuit, power supply processing circuit and Subscriber Interface Module SIM, it is characterized in that, this transceiver also comprises signal processing and switch unit, described Subscriber Interface Module SIM comprises power interface, the 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 the RF communication chip, described REN control interface processes with signal by the RXEN control line and switch unit is connected, described TEN control interface processes with signal by the TXEN control line and switch unit is connected, described power supply processing circuit with signal, processes respectively with balun circuit and switch unit is connected, described antenna is connected on signal processing and switch unit.
In above-mentioned adjustable wireless transceiver, described signal is processed and switch unit comprises 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 the RF power amplifier and RF power amplifier and RF commutation circuit interconnect, described low-pass filter circuit is connected with the RF commutation circuit with balun circuit respectively, described antenna is connected on the RF commutation circuit.
In above-mentioned adjustable wireless transceiver, described RF commutation circuit comprises be connected with low-pass filter circuit a RF diverter switch and the 2nd RF diverter switch be connected with antenna, a described RF diverter switch interconnects with the 2nd RF diverter switch and the RF power amplifier is connected with the 2nd RF diverter switch with a RF diverter switch, and a described RF diverter switch all is connected with described REN control interface by the RXEN control line with the 2nd RF diverter switch.
In above-mentioned adjustable wireless transceiver, described signal is processed and switch unit comprises 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 the RF power amplifier and RF power amplifier and RF commutation circuit interconnect, described balun circuit is connected with the RF commutation circuit, described the first low-pass filter circuit is connected between RF power amplifier and RF commutation circuit, described antenna is connected on the RF commutation circuit.
In above-mentioned adjustable wireless transceiver, described signal is processed and switch unit also comprises that the second low-pass filter circuit and described balun circuit are connected with the RF commutation circuit by the second low-pass filter circuit.
In above-mentioned adjustable wireless transceiver, described RF commutation circuit comprises and interconnects the 3rd RF diverter switch and the 4th RF diverter switch, described the second low-pass filter circuit is connected with the 3rd RF diverter switch, described the 4th RF diverter switch is connected with antenna, described RF power amplifier is connected with the 4th RF diverter switch with the 3rd RF diverter switch respectively with the first low-pass filter circuit, and described the 3rd RF diverter switch all is connected with described REN control interface by the RXEN control line with the 4th RF diverter switch.
In above-mentioned adjustable wireless transceiver, described signal is processed and switch unit comprises 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 the RF power amplifier and RF power amplifier and RF commutation circuit interconnect, described balun circuit is connected with the RF commutation circuit, described low-pass filter circuit is connected between RF commutation circuit and antenna.
In above-mentioned adjustable wireless transceiver, described RF commutation circuit comprises and interconnects the 5th RF diverter switch and the 6th RF diverter switch, described the 5th RF diverter switch is connected with balun circuit, described the 6th 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, described the 5th RF diverter switch all is connected with described REN control interface by the RXEN control line with the 6th RF diverter switch.
In above-mentioned adjustable wireless transceiver, this transceiver also comprises the radome that each several part is covered; Described RF communication chip is the variable RF communication chip of working frequency range; Described Subscriber Interface Module SIM is provided with for changing the switching construction of RF communication chip working frequency range.
The logic control method of adjustable wireless transceiver, is characterized in that, this logic control method comprises following:
A, when the RXEN control line is low level and TXEN control line while being high level, adjustable wireless transceiver is in the transmission state;
B, when the RXEN control line is high level and TXEN control line while being low level, adjustable wireless transceiver is in accepting state;
C, when the RXEN control line is low level and TXEN control line while being low level, adjustable wireless transceiver is in low power consumpting state;
D, not allow to control to the RXEN control line be that high level and TXEN control line are high level.
Compared with prior art, the advantage of this adjustable wireless transceiver is: 1, reasonable in design, simple and compact for structure, and use 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.
The accompanying drawing explanation
Fig. 1 is embodiment 1 structural representation that the utility model provides.
Fig. 2 is embodiment 2 structural representations that the utility model provides.
Fig. 3 is embodiment 3 structural representations that the utility model provides.
Fig. 4 is embodiment 4 structural representations that the utility model provides.
Fig. 5 is embodiment 5 structural representations that the utility model provides.
Fig. 6 is embodiment 6 structural representations that the utility model provides.
Fig. 7 is embodiment 7 structural representations that the utility model provides.
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 is processed and switch unit 7, RXEN control line 8, TXEN control line 9, low-pass filter circuit 10, the first low-pass filter circuit 101, the second low-pass filter circuit 102, RF power amplifier 12, RF commutation circuit 13, the one RF diverter switch 131, the 2nd RF diverter switch 132, the 3rd RF diverter switch 133, the 4th RF diverter switch 134, the 5th RF diverter switch 135, the 6th RF diverter switch 136.
Embodiment
Embodiment 1:
As shown in Figure 1, this adjustable 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 frequencies are determined according to the analog operation frequency range.Be connected with crystal oscillating circuit 3, balun circuit 4, power supply processing circuit 5 and Subscriber Interface Module SIM 6 on RF communication chip 1.This transceiver also comprises signal processing 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 processes with signal by RXEN control line 8 and switch unit 7 is connected, described TEN control interface 64 processes with signal by TXEN control line 9 and switch unit 7 is connected, described power supply processing circuit 5 with signal, processes respectively with balun circuit 4 and switch unit 7 is connected, described antenna 2 is connected on signal processing and switch unit 7.
More particularly, signal processing 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 interconnect, described low-pass filter circuit 10 is connected with RF commutation circuit 13 with balun circuit 4 respectively, and described antenna 2 is connected on RF commutation circuit 13.This transceiver also comprises the radome that each several part is covered, 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 for changing the switching construction of RF communication chip 1 working frequency range.The present embodiment selects whether to access RF power amplifier 12 by RF commutation circuit 13, and whether the user can directly control RF power amplifier 12 by Subscriber Interface Module SIM 6 and open.
The logic control method of adjustable wireless transceiver comprises following:
A, when RXEN control line 8 is low level and TXEN control line 9 during for high level, adjustable wireless transceiver is in the transmission state; Now, RF power amplifier 12 is opened, and RF commutation circuit 13 is connected low-pass filter circuit 10 with 12 inputs of RF power amplifier, 12 outputs of RF power amplifier are connected with antenna 2.
B, when RXEN control line 8 is high level and TXEN control line 9 during for low level, adjustable wireless transceiver is in accepting state; Now, RF power amplifier 12 is closed, and RF commutation circuit 13 is connected low-pass filter circuit 10 with antenna 2.
C, when RXEN control line 8 is low level and TXEN control line 9 during for low level, adjustable wireless transceiver is in low power consumpting state; Now, RF power amplifier 12 is closed.
D, not allow to control to RXEN control line 8 be high level for high level and TXEN control line 9.
Power supply processing circuit 5 comprises the elements such as magnetic bead, capacitor, its objective is power supply is carried out to the filtering processing, can make power supply pure, guarantees the transceiver steady operation, does not pollute external power source while guaranteeing transceiver work simultaneously.RF communication chip 1 completes data encoding, data decode, radiofrequency signal generation, signal modulation, signal demodulation, radio frequency transmission, radio frequency reception etc., forms minimum radio system, maximum program simplification transceiver design. Crystal oscillating circuit 3 and 1 collaborative work of RF communication chip, for RF communication chip 1 provides standard time clock.Balun circuit 4 carries out balance and non-balance transmission conversion by radiofrequency signal, and the output of the difference of RF communication chip 1 is converted to Single-end output.Clutter and high order harmonic component in low-pass filter circuit 10 filtering radiofrequency signals.RF commutation circuit 13 low-pass filter circuits 10, RF power amplifier 12, antenna 2 three's physics are connected, and, according to user's control mode, switch to different logic connection status.RF power amplifier 12 is amplified radio frequency signal, obtains higher power output.
During work, the power supply input is carried out decoupling and filtering through power supply processing circuit 5, is RF power amplifier 12 and 1 power supply of RF communication chip; Crystal oscillating circuit 3 provides the canonical reference signal for RF communication chip 1; The radiofrequency signal of RF communication chip 1 output exports low-pass filter circuit 10 to after balun circuit 3 conversions; 10 pairs of RF signals of low-pass filter circuit carry out being connected to RF commutation circuit 13 after the filtering processing; When RF commutation circuit 13 is controlled as the transmission state the user, by low-pass filter circuit 10 be connected to the input of RF power amplifier, the output of RF power amplifier is connected to antenna 2; When RF commutation circuit 13 is controlled as accepting state the user, low-pass filter circuit 10 is connected to antenna 2; The user controls as the transmission state, when having controlled the switching direction of RF commutation circuit 13, has opened RF power amplifier 12, and it is started working; The user controls as accepting state, when having controlled the switching direction of RF commutation circuit 13, has closed RF power amplifier 12, makes it stop work.
Need the data that send to be transferred to RF communication chip 1 by the SPI interface 62 in Subscriber Interface Module SIM 6, after the chip-count word processing, after being modulated to and needing on frequency range, output RF radiofrequency signal, radiofrequency signal is launched with electromagnetic wave by antenna 2 after processing by foregoing circuit; After antenna 2 receives useful signal, again by above circuit transmission, arrive RF communication chip 1, after demodulation, digital processing, by SPI interface 62 outputs 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 can be applied to different frequency range.
When selecting the CC1101 chip as RF communication chip 1, coordinate 433MHz balun circuit 3,433MHz low-pass filter circuit 10,433MHz RF power amplifier 12,433MHz antenna 2, this transceiver 420MHz-440MHz that can work.When selecting the CC1100E chip as RF communication chip 1, coordinate 470MHz balun circuit 3,470MHz low-pass filter circuit 10,470MHz RF power amplifier 12,470MHz antenna 2, this transceiver 460MHz-480MHz that can work.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 that 2.7V is to 3.3V.
Embodiment 2:
As shown in Figure 2, in the present embodiment, RF commutation circuit 13 comprises be connected with low-pass filter circuit 10 a RF diverter switch 131 and the 2nd RF diverter switch 132 be connected with antenna 2, a described RF diverter switch 131 interconnects 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 all is 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, this paper does not do and repeats.
Embodiment 3:
As shown in Figure 3, in the present embodiment, signal is processed and switch unit 7 comprises 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 interconnect, 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 on RF commutation circuit 13.All the other all with embodiment 1 roughly the same, this paper does not do and repeats.
Embodiment 4:
As shown in Figure 4, in the present embodiment, signal is processed and switch unit 7 also comprises that the second low-pass filter circuit 102 and described balun circuit 4 are connected with RF commutation circuit 13 by the second low-pass filter circuit 102.All the other all with embodiment 3 roughly the same, this paper does not do and repeats.
Embodiment 5:
As shown in Figure 5, in the present embodiment, RF commutation circuit 13 comprises and interconnects 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, described the 4th 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 described the 3rd RF diverter switch 133 all is 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, this paper does not do and repeats.
Embodiment 6:
As shown in Figure 6, in the present embodiment, signal is processed and switch unit 7 comprises 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 interconnect, 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, this paper does not do and repeats.
Embodiment 7:
As shown in Figure 7, in the present embodiment, RF commutation circuit 13 comprises and interconnects the 5th RF diverter switch 135 and the 6th RF diverter switch 136, described the 5th RF diverter switch 135 is connected with balun circuit 4, described the 6th 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, described the 5th RF diverter switch 135 all is 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, this paper does not do and repeats.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more been used 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 is processed and switch unit 7, RXEN control line 8, TXEN control line 9, low-pass filter circuit 10, the first low-pass filter circuit 101, the second low-pass filter circuit 102, RF power amplifier 12, RF commutation circuit 13, the one RF diverter switch 131, the 2nd RF diverter switch 132, the 3rd RF diverter switch 133, the 4th RF diverter switch 134, the 5th RF diverter switch 135, the 6th RF diverter switch 136 terms such as grade, but do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (9)
1. an adjustable wireless transceiver, comprise RF communication chip (1) and antenna (2), be connected with crystal oscillating circuit (3) on RF communication chip (1), balun circuit (4), power supply processing circuit (5) and Subscriber Interface Module SIM (6), it is characterized in that, this transceiver also comprises signal processing 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) processes with signal by RXEN control line (8) and switch unit (7) is connected, described TEN control interface (64) processes with signal by TXEN control line (9) and switch unit (7) is connected, described power supply processing circuit (5) with signal, processes respectively with balun circuit (4) and switch unit (7) is connected, described antenna (2) is connected on signal processing and switch unit (7).
2. adjustable wireless transceiver according to claim 1, it is characterized in that, described signal is processed and switch unit (7) comprises 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) interconnect, described low-pass filter circuit (10) is connected with RF commutation circuit (13) with balun circuit (4) respectively, described antenna (2) is connected on RF commutation circuit (13).
3. adjustable wireless transceiver according to claim 2, it is characterized in that, described RF commutation circuit (13) comprises be connected with low-pass filter circuit (10) a RF diverter switch (131) and the 2nd RF diverter switch (132) be connected with antenna (2), a described RF diverter switch (131) interconnects 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) all is connected with described REN control interface (63) by RXEN control line (8) with the 2nd RF diverter switch (132).
4. adjustable wireless transceiver according to claim 1, it is characterized in that, described signal is processed and switch unit (7) comprises 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) interconnect, 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 on RF commutation circuit (13).
5. adjustable wireless transceiver according to claim 4, it is characterized in that, described signal is processed and switch unit (7) also comprises that the second low-pass filter circuit (102) and described balun circuit (4) are connected with RF commutation circuit (13) by the second low-pass filter circuit (102).
6. adjustable wireless transceiver according to claim 5, it is characterized in that, described RF commutation circuit (13) comprises and interconnects 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), described the 4th 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), described the 3rd RF diverter switch (133) all is connected with described REN control interface (63) by RXEN control line (8) with the 4th RF diverter switch (134).
7. adjustable wireless transceiver according to claim 1, it is characterized in that, described signal is processed and switch unit (7) comprises 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) interconnect, 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).
8. adjustable wireless transceiver according to claim 7, it is characterized in that, described RF commutation circuit (13) comprises and interconnects the 5th RF diverter switch (135) and the 6th RF diverter switch (136), described the 5th RF diverter switch (135) is connected with balun circuit (4), described the 6th 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), described the 5th RF diverter switch (135) all is connected with described REN control interface (63) by RXEN control line (8) with the 6th RF diverter switch (136).
9. according to the described adjustable wireless transceiver of any one in claim 2-8, it is characterized in that, this transceiver also comprises the radome that each several part is covered; Described RF communication chip (1) is the variable RF communication chip of working frequency range; Described Subscriber Interface Module SIM (6) is provided with for changing the switching construction of RF communication chip (1) working frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457831.2U CN203387503U (en) | 2013-07-26 | 2013-07-26 | Adjustable wireless transceiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457831.2U CN203387503U (en) | 2013-07-26 | 2013-07-26 | Adjustable wireless transceiver |
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| CN203387503U true CN203387503U (en) | 2014-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441776A (en) * | 2013-07-26 | 2013-12-11 | 杭州隽德科技有限公司 | Wireless transceiver and logic control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441776A (en) * | 2013-07-26 | 2013-12-11 | 杭州隽德科技有限公司 | Wireless transceiver and logic control method thereof |
| CN103441776B (en) * | 2013-07-26 | 2015-12-09 | 杭州隽德科技有限公司 | Wireless transceiver and logic control method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20190726 |