CN214707762U - Continuous wave signal modulation device - Google Patents
Continuous wave signal modulation device Download PDFInfo
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- CN214707762U CN214707762U CN202121499162.6U CN202121499162U CN214707762U CN 214707762 U CN214707762 U CN 214707762U CN 202121499162 U CN202121499162 U CN 202121499162U CN 214707762 U CN214707762 U CN 214707762U
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Abstract
The utility model discloses a continuous wave signal modulation device, which comprises a signal source and a signal modulation module, wherein the signal modulation module is arranged along the output direction of the signal source; the signal source outputs a continuous wave signal, and the continuous wave signal can be modulated into a plurality of different pulse signals under the modulation of the signal modulation module. The utility model aims at providing a continuous wave signal modulation device, it is single to solve signal modulation mode among the current communication system, changes the problem that input signal need reset the instrument.
Description
Technical Field
The utility model relates to a continuous wave signal modulation technical field mainly relates to a continuous wave signal modulation device.
Background
In a communication system, a transmitter mainly implements signal transmission. In order to make the signal transmission more distant, the power of the carrier signal is required to be larger, and more than 500W is generally required. In practical application, a high-power amplifier relates to power consumption, heat dissipation and reliability factors of a power amplifier tube, and a pulse type power amplifier design is generally adopted.
The pulse power amplifier needs to modulate the continuous wave signal to realize pulse signals with different pulse widths and different signal envelopes. When the work amplifier is used for production debugging, a mode of combining a signal generator and a signal source is generally adopted to realize single continuous wave signal modulation.
However, in practical applications, a whole communication system usually has multiple signal communication modes. Different communication modes correspond to different signal modulations. The combination of the signal generator and the signal source can only generate a single signal, and when the input envelope needs to be changed, the signal generator and the signal source need to be reset.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a continuous wave signal modulation device, it is single to solve signal modulation mode among the current communication system, changes the problem that input signal need reset the instrument.
The utility model discloses a following technical scheme realizes:
a continuous wave signal modulation device comprises a signal source and a signal modulation module, wherein the signal modulation module is arranged along the output direction of the signal source; the signal source outputs a continuous wave signal, and the continuous wave signal can be modulated into a plurality of different pulse signals under the modulation of the signal modulation module.
In the prior art, the mode of combining the signal generator and the signal source can only realize single continuous wave signal modulation, that is, only one modulation mode is needed, and when other modulation modes are needed, an instrument is reset or the signal generator is replaced, so that the method is very inconvenient when multiple modulation modes are needed, not only is a plurality of signal generators needed to be purchased at high cost, but also the equipment needs to be replaced at high time. Based on this, the inventor provides a continuous wave signal modulation device, which comprises a signal source and a signal modulation module, wherein the signal source can realize modulation of multiple modes under the action of the signal modulation module, thereby solving the problems.
Furthermore, the signal modulation module comprises a modulation unit and a switching unit, the modulation unit is connected with the switching unit, a plurality of modulation modes are arranged in the modulation unit, and the corresponding modulation mode is selected under the switching of the switching unit.
Further, the modulation unit comprises a switch and a controller, the switch is connected to the controller, and the controller is connected to the switching unit.
Further, the switch is a single pole single throw switch.
Further, the controller is an FPGA.
Further, the switching unit is a dial switch.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
one signal modulation device can realize the switching among a plurality of different signal modulation modes, and the problem of single signal modulation mode in the existing communication system is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a block diagram of the signal modulation apparatus of the present invention;
fig. 2 is a schematic diagram of a part of circuit connection of each device of the signal modulation apparatus of the present invention;
fig. 3 is a schematic diagram of a part of circuit connection of each device of the signal modulation apparatus of the present invention;
fig. 4 is a schematic diagram of a part of circuit connection of each device of the signal modulation apparatus of the present invention;
fig. 5 is a schematic diagram of a part of circuit connection of each device of the signal modulation apparatus of the present invention;
fig. 6 is a schematic diagram of a circuit connection of parts of each device of the signal modulation apparatus according to the present invention;
fig. 7 is a schematic diagram of a part of circuit connection of each device of the signal modulation apparatus according to the present invention;
fig. 8 is a schematic diagram of a part of circuit connection of each device of the signal modulation apparatus according to the present invention;
fig. 9 is a schematic diagram of a circuit connection of parts of each device of the signal modulation apparatus according to the present invention;
fig. 10 is a schematic diagram of a part of circuit connections of the components of the signal modulation apparatus according to the present invention;
fig. 11 is a schematic diagram of a circuit connection of parts of each device of the signal modulation apparatus according to the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
A continuous wave signal modulation device comprises a signal source and a signal modulation module, wherein the signal modulation module is arranged along the output direction of the signal source; the signal source outputs continuous wave signals, and the continuous wave signals can be modulated into various different pulse signals under the modulation of the signal modulation module.
In the prior art, the mode of combining the signal generator and the signal source can only realize single continuous wave signal modulation, that is, only one modulation mode is needed, and when other modulation modes are needed, an instrument is reset or the signal generator is replaced, so that the method is very inconvenient when multiple modulation modes are needed, not only is a plurality of signal generators needed to be purchased at high cost, but also the equipment needs to be replaced at high time. Based on this, the inventor provides a continuous wave signal modulation device, which comprises a signal source and a signal modulation module, wherein the signal source can realize modulation of multiple modes under the action of the signal modulation module, thereby solving the problems.
The signal modulation module described in this embodiment includes a modulation unit and a switching unit, the modulation unit is connected to the switching unit, and a plurality of modulation modes are provided in the modulation unit, and a corresponding modulation mode is selected by switching of the switching unit. Specifically, as shown in fig. 1, the modulation unit in this embodiment includes a switch and a controller, where the switch is a single-pole single-throw switch, the controller is an FPGA, and codes (frequency, level, period, and the like of output pulses) of various modulation signals are stored in the FPGA in advance, the modulation signals can be set according to actual conditions, and the codes of various modulation signals are stored in the FPGA in advance, which is the prior art, so that a specific process thereof is not described in this application; the switching unit is set as a dial switch, and the connection relation of each device is shown in FIGS. 2-11; during specific implementation, the single-pole single-throw switch is arranged in the output direction of the signal source and is connected with the output port of the FPGA, and the pulse signal output by the FPGA is used for controlling the on-off of the single-pole single-throw switch (the pulse signal is received to be on, and the pulse signal is not received to be off); the input port of the FPGA is connected with the dial switch, and the corresponding modulation signal is selected from the modulation signals stored in the FPGA by adjusting the dial switch.
The working process of the scheme is explained as follows:
1. storing codes of various modulation signals in an FPGA in advance;
2. selecting a required modulation signal from the FPGA by adjusting a dial switch according to actual requirements;
3. and the FPGA outputs a corresponding pulse string according to the selected modulation signal, so that the single-pole single-throw switch is controlled to be switched on or off, and the modulation of the continuous wave signal is realized.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A continuous wave signal modulation device is characterized by comprising a signal source and a signal modulation module, wherein the signal modulation module is arranged along the output direction of the signal source; the signal source outputs a continuous wave signal, and the continuous wave signal can be modulated into a plurality of different pulse signals under the modulation of the signal modulation module.
2. The continuous wave signal modulation device according to claim 1, wherein the signal modulation module includes a modulation unit and a switching unit, the modulation unit is connected to the switching unit, a plurality of modulation modes are provided in the modulation unit, and the corresponding modulation mode is selected by switching of the switching unit.
3. The apparatus according to claim 2, wherein the modulating unit comprises a switch and a controller, the switch is connected to the controller, and the controller is connected to the switching unit.
4. The continuous wave signal modulation device of claim 3, wherein the switch is a single pole single throw switch.
5. The continuous wave signal modulation device of claim 3, wherein the controller is an FPGA.
6. A continuous wave signal modulation apparatus according to any one of claims 2-5, wherein the switching unit is a dial switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499162.6U CN214707762U (en) | 2021-07-02 | 2021-07-02 | Continuous wave signal modulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499162.6U CN214707762U (en) | 2021-07-02 | 2021-07-02 | Continuous wave signal modulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214707762U true CN214707762U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121499162.6U Active CN214707762U (en) | 2021-07-02 | 2021-07-02 | Continuous wave signal modulation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214707762U (en) |
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2021
- 2021-07-02 CN CN202121499162.6U patent/CN214707762U/en active Active
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