CN213754499U - High-power short wave transmitting and receiving device - Google Patents
High-power short wave transmitting and receiving device Download PDFInfo
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- CN213754499U CN213754499U CN202022906898.2U CN202022906898U CN213754499U CN 213754499 U CN213754499 U CN 213754499U CN 202022906898 U CN202022906898 U CN 202022906898U CN 213754499 U CN213754499 U CN 213754499U
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Abstract
The utility model discloses a high-power shortwave transceiver, including antenna gate switch and receiving and dispatching switch, antenna gate switch is connected with shortwave antenna, first attenuator and coupler respectively, the receiving and dispatching switch is connected with power amplifier module, receiver and second attenuator respectively, the second attenuator is connected the coupler, first attenuator with the equal ground connection of second attenuator. The utility model has the advantages that: the transmitting and receiving share one short wave antenna, and can meet the function of simultaneously transmitting radio frequency signals and antenna modulation signals, thereby achieving the effects of small occupied area and low cost, and having the characteristics of antenna modulation function, wide frequency band, high isolation and the like.
Description
Technical Field
The utility model relates to a short wave transceiver's technical field particularly, relates to a high-power short wave transceiver.
Background
The short-wave broadband communication mainly utilizes the reflection of an ionized layer, has long transmission distance and can be diffracted and transmitted on the sea level, so the short-wave broadband communication is widely applied. In practical application, the physical size of the high-power short-wave antenna is huge, and if one high-power short-wave antenna is configured for receiving and transmitting, a large amount of physical space is occupied, and the cost is increased.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem in the correlation technique, the utility model provides a high-power shortwave transceiver transmits and receives shortwave antenna of sharing to can satisfy the function of simultaneous transmission radio frequency signal and day modulation signal, the effectual physical space and the cost of having saved.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a high-power shortwave transceiver, includes antenna gate switch and send-receiver switch, antenna gate switch is connected with shortwave antenna, first attenuator and coupler respectively, send-receiver switch is connected with power amplifier module, receiver and second attenuator respectively, the second attenuator is connected the coupler, first attenuator with the equal ground connection of second attenuator.
Further, the antenna gating switch includes a switch S1, and the switch S1 is a coaxial mechanical switch.
Further, the transceiver switch includes switch S2 and diode fast switch, switch S2 is coaxial mechanical switch, switch S2 is connected respectively the coupler with the power amplifier module, diode fast switch includes diode D1 and diode D2, diode D1 the positive pole with diode D2 ' S positive pole all is connected switch S2, diode D1 ' S negative pole is connected the second attenuator, diode D2 ' S negative pole is connected the receiver.
Further, the second attenuator includes a resistor R1, a resistor R3 and a resistor R4, the first end of the resistor R1 is grounded, the second end of the resistor R1 is connected to the coupler, the coupler is connected to the first end of the resistor R3, the first end of the resistor R4 is connected to the cathode of the diode D1, the second end of the resistor R3 and the second end of the resistor R4 are both grounded, and a connection node between the coupler and the first end of the resistor R3 is connected to a connection node between the first end of the resistor R4 and the cathode of the diode D1 through a line provided with a resistor R2.
Furthermore, the power amplifier module comprises an antenna modulation signal generating module.
The utility model has the advantages that: the transmitting and receiving share one short wave antenna, and can meet the function of simultaneously transmitting radio frequency signals and antenna modulation signals, thereby achieving the effects of small occupied area and low cost, and having the characteristics of antenna modulation function, wide frequency band, high isolation and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a high-power short-wave transceiver according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a high-power short-wave transceiver according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-2, according to the utility model discloses a high-power shortwave transceiver device, including antenna gate switch and receiving and dispatching switch, antenna gate switch is connected with shortwave antenna, first attenuator and coupler respectively, receiving and dispatching switch is connected with power amplifier module, receiver and second attenuator respectively, the second attenuator is connected the coupler, first attenuator with the equal ground connection of second attenuator.
In a specific embodiment of the present invention, the antenna gating switch includes a switch S1, and the switch S1 is a coaxial mechanical switch.
In a specific embodiment of the present invention, the transceiver switch includes a switch S2 and a diode fast switch, the switch S2 is a coaxial mechanical switch, the switch S2 is connected to the coupler and the power amplifier module, the diode fast switch includes a diode D1 and a diode D2, the anode of the diode D1 and the anode of the diode D2 are connected to the switch S2, the cathode of the diode D1 is connected to the second attenuator, and the cathode of the diode D2 is connected to the receiver.
In a specific embodiment of the present invention, the second attenuator includes a resistor R1, a resistor R3, and a resistor R4, the first end of the resistor R1 is grounded, the second end of the resistor R1 is connected to the coupler, the coupler is connected to the first end of the resistor R3, the first end of the resistor R4 is connected to the negative electrode of the diode D1, the second end of the resistor R3 and the second end of the resistor R4 are both grounded, and a connection node between the coupler and the first end of the resistor R3 is connected to a connection node between the first end of the resistor R4 and the negative electrode of the diode D1 through a line provided with a resistor R2.
In a specific embodiment of the present invention, the power amplifier module includes a modulation signal generating module.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.
High-power shortwave transceiver include shortwave antenna, first attenuator, antenna gating switch, coupler, receiving and dispatching switch, power amplifier module, receiver and second attenuator etc..
The working frequency of the antenna gating switch and the receiving and transmitting switch is 1.5MHz-30MHz, and 2KW power is output; the antenna gating switch and the transceiving switch share a short-wave antenna and have the function of sharing a coaxial cable to transmit antenna modulation signals.
The antenna gating switch includes a switch S1.
The receiving and transmitting switch comprises a switch S2 and a diode fast switch, the working frequency is 1.5MHz-30MHz, and 2KW output power is provided.
The switch S1 and the switch S2 are coaxial mechanical switches, the diode fast switch comprises a diode D1 and a diode D2, and the diode D1 and the diode D2 are PIN diodes. The anode of the diode D1 and the anode of the diode D2 are both connected with the switch S2 through a line provided with a capacitor C1, the connection node between the diode fast switch and the capacitor C1 is connected with one end of an inductor L1, and the other end of the inductor L1 is connected with an interface J1. The cathode of the diode D1 is connected with the resistor R4 of the second attenuator through a line provided with a capacitor C2, the connection node between the cathode of the diode D1 and the capacitor C2 is connected with one end of the inductor L2, and the other end of the inductor L2 is connected with the interface J2. The cathode of the diode D2 is connected with the receiver through a line provided with a capacitor C3, the connection node between the cathode of the diode D2 and the capacitor C3 is connected with one end of an inductor L3, and the other end of the inductor L3 is connected with an interface J3.
The power amplifier module comprises an antenna modulation signal generation module, the antenna modulation signal generation module is used for generating an antenna modulation signal, the antenna modulation signal is a low-frequency signal with direct current and frequency not exceeding 50KHz, and the coaxial mechanical switch has the function of passing through direct current, low-frequency and high-frequency short-wave signals. The high-power coupler also has the function of passing direct current, low-frequency and high-frequency short-wave signals.
When the antenna works in a transmitting mode, the switch S1 enables the short wave antenna to be communicated with the coupler, the switch S2 enables the power amplification module to be communicated with the coupler, the antenna modulation signal generated by the antenna modulation signal generation module is transmitted to the short wave antenna through the power amplification module and controls the state of the short wave antenna, then the power amplification module transmits power and transmits the power through the short wave antenna, and the diode fast switch is used for monitoring the transmitting power.
When the power amplifier works in the test mode, the switch S1 enables the attenuator to be communicated with the coupler, the switch S2 enables the power amplifier module to be communicated with the coupler, then the power amplifier module transmits power, and the diode fast switch is used for monitoring the transmission power.
When the short-wave antenna is operated in a receiving mode, the switch S1 enables the short-wave antenna to be communicated with the coupler, the switch S2 enables the receiver to be communicated with the coupler, and the diode fast switch transmits signals received by the short-wave antenna into the receiver.
To sum up, with the help of the above technical scheme of the utility model, short wave antenna of transmission and receipt sharing to can satisfy the function of simultaneous transmission radio frequency signal and day modulation signal, reach that area is little, with low costs effect, and have characteristics such as day modulation function, frequency bandwidth, isolation height concurrently.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high-power shortwave transceiver which characterized in that, includes antenna gate switch and transceiver switch, antenna gate switch is connected with shortwave antenna, first attenuator and coupler respectively, transceiver switch is connected with power amplifier module, receiver and second attenuator respectively, the second attenuator is connected the coupler, first attenuator with the equal ground connection of second attenuator.
2. The high power short wave transceiver device of claim 1, wherein the antenna gating switch comprises a switch S1, and the switch S1 is a coaxial mechanical switch.
3. The high-power short-wave transceiver device according to claim 1, wherein the transceiver switch comprises a switch S2 and a diode fast switch, the switch S2 is a coaxial mechanical switch, the switch S2 connects the coupler and the power amplifier module, respectively, the diode fast switch comprises a diode D1 and a diode D2, the anode of the diode D1 and the anode of the diode D2 are both connected to the switch S2, the cathode of the diode D1 is connected to the second attenuator, and the cathode of the diode D2 is connected to the receiver.
4. The high-power short-wave transceiver device according to claim 3, wherein the second attenuator comprises a resistor R1, a resistor R3 and a resistor R4, the first end of the resistor R1 is grounded, the second end of the resistor R1 is connected to the coupler, the coupler is connected to the first end of the resistor R3, the first end of the resistor R4 is connected to the cathode of the diode D1, the second end of the resistor R3 and the second end of the resistor R4 are both grounded, and a connection node between the coupler and the first end of the resistor R3 is connected to a connection node between the first end of the resistor R4 and the cathode of the diode D1 through a line provided with a resistor R2.
5. The high-power short-wave transceiver device of claim 1, wherein the power amplifier module comprises an antenna modulation signal generation module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022906898.2U CN213754499U (en) | 2020-12-07 | 2020-12-07 | High-power short wave transmitting and receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022906898.2U CN213754499U (en) | 2020-12-07 | 2020-12-07 | High-power short wave transmitting and receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213754499U true CN213754499U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022906898.2U Active CN213754499U (en) | 2020-12-07 | 2020-12-07 | High-power short wave transmitting and receiving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213754499U (en) |
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2020
- 2020-12-07 CN CN202022906898.2U patent/CN213754499U/en active Active
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