CN203645659U - Long-range RF transceiving device based on DSSS technology - Google Patents
Long-range RF transceiving device based on DSSS technology Download PDFInfo
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- CN203645659U CN203645659U CN201320785388.1U CN201320785388U CN203645659U CN 203645659 U CN203645659 U CN 203645659U CN 201320785388 U CN201320785388 U CN 201320785388U CN 203645659 U CN203645659 U CN 203645659U
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- dsss
- frequency
- power amplifier
- transceiver
- radio
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Abstract
The utility model provides a long-range RF transceiving device based on DSSS technology, belonging to the field of electronic information technology. The device comprises a DSSS RF transceiver as well as a power amplifier module and a data connector which are connected to the transceiver. The device is developed based on the DSSS technology. The high-performance power amplifier module is selected, and small signal high frequency processing technology is utilized. The device has a long transmitting and receiving range, good anti-interference capability, and a low bit error rate. The device can largely increase the communication range of wireless signals.
Description
Technical field
The utility model relates to a kind of long-range radio-frequency R-T unit based on DSSS technology, belongs to electronic information technical field.
Background technology
Long-range radio-frequency R-T unit based on DSSS technology is mainly used in the transmission of wireless data, solves the cable data transmission that maybe cannot implement because of wired construction inconvenience in engineering, can realize the mutual of data by this device.Long-range radio-frequency R-T unit based on DSSS technology is integrated application microelectric technique, radio frequency processing technology, and the sci-tech product of ICT (information and communication technology), is the device of realizing data wireless transmission, can be used for Internet of Things industry, carries out Wireless Data Transmission.And other similar devices are mainly that efficiency conversion is low, be easily disturbed, the error rate is high, uses easily and loses efficacy out of doors.
Summary of the invention
For the problem existing, the utility model provides a kind of long-range radio-frequency R-T unit based on DSSS technology, can realize efficient, stable, remote Wireless Data Transmission.
The technical solution adopted in the utility model is:
A long-range radio-frequency R-T unit based on DSSS technology, its structural feature is:
Comprise DSSS radio-frequency (RF) transceiver, and the power amplifier module, the data connector that are connected with DSSS radio-frequency (RF) transceiver respectively;
Power amplifier module is used for power amplification, the signal impurity elimination of radiofrequency signal and is sent to DSSS radio-frequency (RF) transceiver; DSSS radio-frequency (RF) transceiver becomes radiofrequency signal and is sent to power amplifier module for receiving digital signal that data connector sends, and receives radiofrequency signal that power amplifier module sends and convert digital signal to and be sent to data connector; Data connector is connected and data interaction for this device and other device, is connected with DSSS radio-frequency (RF) transceiver.
Preferably, described power amplifier module comprises: electronic switch, power amplifier, LNA circuit, filter, transient suppressor and antenna connector;
Preferably, described DSSS radio-frequency (RF) transceiver adopts CY6936 chip.
Preferably, described power amplifier adopts MAX2247 chip, and LNA circuit adopts MAX2644 chip.
The beneficial effect of technical solutions of the utility model is:
The described long-range radio-frequency R-T unit based on DSSS technology is based on DSSS technological development, select high performance power amplifier module, utilize small-signal high frequency treatment technology, there is transmitting, receiving range is far away, the feature that antijamming capability is strong, the error rate is low, can improve the communication distance of wireless signal largely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the long-range radio-frequency R-T unit based on DSSS technology described in the utility model.
Fig. 2 is the circuit diagram of LNA circuit described in the utility model.
Fig. 3 is the circuit diagram of power amplifier described in the utility model.
Fig. 4 is the circuit diagram of DSSS radio-frequency (RF) transceiver described in the utility model.
Embodiment
According to drawings and embodiments the utility model is described in further detail below.
As Figure 1-4, the described long-range radio-frequency R-T unit based on DSSS technology, comprises DSSS radio-frequency (RF) transceiver, and the power amplifier module, the data connector that are connected with DSSS radio-frequency (RF) transceiver respectively;
Power amplifier module is used for power amplification, the signal impurity elimination of radiofrequency signal and is sent to DSSS radio-frequency (RF) transceiver; DSSS radio-frequency (RF) transceiver becomes radiofrequency signal and is sent to power amplifier module for receiving digital signal that data connector sends, and receives radiofrequency signal that power amplifier module sends and convert digital signal to and be sent to data connector; Data connector is connected and data interaction for this device and other device, is connected with DSSS radio-frequency (RF) transceiver.
Described power amplifier module comprises: electronic switch, power amplifier, LNA circuit, filter, transient suppressor and antenna connector;
Described DSSS radio-frequency (RF) transceiver adopts CY6936 chip.
Described power amplifier adopts MAX2247 chip, and LNA circuit adopts MAX2644 chip.
After this device powers on, by data connector, DSSS radio-frequency (RF) transceiver is carried out to relevant parameter configuration, as transmitting power, transmitting channel, receiving channels, mode of operation etc.Device is generally in listen mode, and when after the radiofrequency signal of power amplifier module enters DSSS radio-frequency (RF) transceiver, DSSS radio-frequency (RF) transceiver can be analyzed and resolve radiofrequency signal, coupling can output digit signals to data connector.When the order of the data connector coming, require this device to enter emission mode, the data group bag that DSSS radio-frequency (RF) transceiver can be carried out data connector changes into radiofrequency signal and sends to power amplifier module, launches by power amplifier module.
The above-mentioned long-range radio-frequency R-T unit based on DSSS technology is based on DSSS technological development, select high performance power amplifier module, utilize small-signal high frequency treatment technology, there is transmitting, receiving range is far away, the feature that antijamming capability is strong, the error rate is low, can improve the communication distance of wireless signal largely.
Claims (4)
1. the long-range radio-frequency R-T unit based on DSSS technology, is characterized in that:
Comprise DSSS radio-frequency (RF) transceiver, and the power amplifier module, the data connector that are connected with DSSS radio-frequency (RF) transceiver respectively;
Power amplifier module is used for power amplification, the signal impurity elimination of radiofrequency signal and is sent to DSSS radio-frequency (RF) transceiver; DSSS radio-frequency (RF) transceiver becomes radiofrequency signal and is sent to power amplifier module for receiving digital signal that data connector sends, and receives radiofrequency signal that power amplifier module sends and convert digital signal to and be sent to data connector; Data connector is connected and data interaction for this device and other device, is connected with DSSS radio-frequency (RF) transceiver.
2. the long-range radio-frequency R-T unit based on DSSS technology according to claim 1, is characterized in that:
Described power amplifier module comprises: electronic switch, power amplifier, LNA circuit, filter, transient suppressor and antenna connector;
Electronic switch 1, electronic switch 2 are connected with LNA circuit with power amplifier, and for the switching between two circuit; Electronic switch 2, filter, transient suppressor and antenna connector are connected successively.
3. the long-range radio-frequency R-T unit based on DSSS technology according to claim 1, is characterized in that:
Described DSSS radio-frequency (RF) transceiver adopts CY6936 chip.
4. the long-range radio-frequency R-T unit based on DSSS technology according to claim 1, is characterized in that:
Described power amplifier adopts MAX2247 chip, and LNA circuit adopts MAX2644 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785388.1U CN203645659U (en) | 2013-12-04 | 2013-12-04 | Long-range RF transceiving device based on DSSS technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785388.1U CN203645659U (en) | 2013-12-04 | 2013-12-04 | Long-range RF transceiving device based on DSSS technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645659U true CN203645659U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320785388.1U Expired - Fee Related CN203645659U (en) | 2013-12-04 | 2013-12-04 | Long-range RF transceiving device based on DSSS technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647571A (en) * | 2013-12-04 | 2014-03-19 | 成都理工大学 | Long-distance radio-frequency transceiver based on DSSS technology |
-
2013
- 2013-12-04 CN CN201320785388.1U patent/CN203645659U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647571A (en) * | 2013-12-04 | 2014-03-19 | 成都理工大学 | Long-distance radio-frequency transceiver based on DSSS technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140611 Termination date: 20181204 |