CN205246715U - Multichannel high accuracy phase difference base mark signal generator based on AD9959 - Google Patents
Multichannel high accuracy phase difference base mark signal generator based on AD9959 Download PDFInfo
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- CN205246715U CN205246715U CN201521004253.2U CN201521004253U CN205246715U CN 205246715 U CN205246715 U CN 205246715U CN 201521004253 U CN201521004253 U CN 201521004253U CN 205246715 U CN205246715 U CN 205246715U
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Abstract
The utility model belongs to the technical field of communication technology and specifically relates to a multichannel high accuracy phase difference base mark signal generator based on AD9959 that can save MCU resource, lift system stability, its characterized in that is equipped with microprocessor MCU, AD9959 module, and microprocessor MCU is connected with the AD9959 module, and the output of AD9959 module is connected with 100MHz sinusoidal signal output circuit, 100.03MHz sinusoidal signal output circuit, a 30KHz sinusoidal signal output circuit, the 2nd 30KHz sinusoidal signal output circuit's output respectively, the signal phase difference of a 30KHz sinusoidal signal output circuit and the output of the 2nd 30KHz sinusoidal signal output circuit is 90, the utility model discloses when using, through microprocessor MCU control AD9959 module realization four ways sinusoidal signal's output, constitute multichannel high accuracy phase difference signal source, compare with prior art, showing and saving the MCU resource, promoted system stability.
Description
Technical field
The utility model relates to communication technical field, specifically a kind of duplex high precision phase difference reference generator based on AD9959 that can save MCU resource, Hoisting System stability.
Background technology
Apply to signal generator in precise measurement and control equipment due to output signal is required from KHz to MHz wide range output, circuit design has been proposed to very high requirement, and reference generator institute output signal will be for late-class circuit as reference signal, the complexity and the unstability that have increased circuit structure, be unfavorable for the raising of device measuring precision and stability.
Summary of the invention
The utility model, for the shortcoming and defect existing in prior art, has proposed a kind of duplex high precision phase difference signal generator based on AD9959 that can save MCU resource, Hoisting System stability.
The utility model can reach by following measures:
A kind of duplex high precision phase difference signal generator based on AD9959, it is characterized in that being provided with Micro-processor MCV, AD9959 module, Micro-processor MCV is connected with AD9959 module, and the output of AD9959 module is connected with the output of 100MHz sinusoidal signal output circuit, 100.03MHz sinusoidal signal output circuit, a 30KHz sinusoidal signal output circuit, the 2nd 30KHz sinusoidal signal output circuit respectively; The signal phase difference of a described 30KHz sinusoidal signal output circuit and the output of the 2nd 30KHz sinusoidal signal output circuit is 90 °.
The utility model is also provided with reference signal output circuit, described reference signal output circuit is exported respectively after sinusoidal signal by 100MHz sinusoidal signal output circuit and 100.03MHZ sinusoidal signal output circuit, again through the processing of difference frequency device, to the reference signal of late-class circuit output 30KHz.
The utility model in use, is realized the output of four-way sinusoidal signal by Micro-processor MCV control AD9959 module, channeling high-precision phase position difference signal source, compared with prior art, has significantly saved MCU resource, has promoted the stability of a system.
Brief description of the drawings:
Accompanying drawing 1 is structured flowchart of the present utility model.
Reference numeral: Micro-processor MCV 1, AD9959 module 2,100MHz sinusoidal signal output circuit 3,100.03MHz sinusoidal signal output circuit 4, a 30KHz sinusoidal signal output circuit 5, the 2nd 30KHz sinusoidal signal output circuit 6.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model proposes a kind of duplex high precision phase difference signal generator based on AD9959, it is characterized in that being provided with Micro-processor MCV 1, AD9959 module 2, Micro-processor MCV 1 is connected with AD9959 module 2, and the output of AD9959 module 2 is connected with the output of 100MHz sinusoidal signal output circuit 3,100.03MHz sinusoidal signal output circuit 4, a 30KHz sinusoidal signal output circuit 5, the 2nd 30KHz sinusoidal signal output circuit 6 respectively; The signal phase difference that a described 30KHz sinusoidal signal output circuit 5 and the 2nd 30KHz sinusoidal signal output circuit 6 are exported is 90 °.
The utility model is also provided with reference signal output circuit, described reference signal output circuit is exported respectively after sinusoidal signal by 100MHz sinusoidal signal output circuit and 100.03MHZ sinusoidal signal output circuit, again through the processing of difference frequency device, to the reference signal of late-class circuit output 30KHz.
The utility model in use, is realized the output of four-way sinusoidal signal by Micro-processor MCV control AD9959 module, channeling high-precision phase position difference signal source, compared with prior art, has significantly saved MCU resource, has promoted the stability of a system.
Claims (2)
1. the duplex high precision phase difference signal generator based on AD9959, it is characterized in that being provided with Micro-processor MCV, AD9959 module, Micro-processor MCV is connected with AD9959 module, and the output of AD9959 module is connected with the output of 100MHz sinusoidal signal output circuit, 100.03MHz sinusoidal signal output circuit, a 30KHz sinusoidal signal output circuit, the 2nd 30KHz sinusoidal signal output circuit respectively; The signal phase difference of a described 30KHz sinusoidal signal output circuit and the output of the 2nd 30KHz sinusoidal signal output circuit is 90 °.
2. according to claim 1 in the duplex high precision phase difference signal generator of AD9959, it is characterized in that being also provided with reference signal output circuit, described reference signal output circuit is exported respectively after sinusoidal signal by 100MHz sinusoidal signal output circuit and 100.03MHZ sinusoidal signal output circuit, again through the processing of difference frequency device, to the reference signal of late-class circuit output 30KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004253.2U CN205246715U (en) | 2015-12-08 | 2015-12-08 | Multichannel high accuracy phase difference base mark signal generator based on AD9959 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004253.2U CN205246715U (en) | 2015-12-08 | 2015-12-08 | Multichannel high accuracy phase difference base mark signal generator based on AD9959 |
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| Publication Number | Publication Date |
|---|---|
| CN205246715U true CN205246715U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521004253.2U Active CN205246715U (en) | 2015-12-08 | 2015-12-08 | Multichannel high accuracy phase difference base mark signal generator based on AD9959 |
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| CN (1) | CN205246715U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809303A (en) * | 2018-06-19 | 2018-11-13 | 四川九洲电器集团有限责任公司 | The individually controllable small stepping broadband frequency source of miniaturized multichannel and its working method |
-
2015
- 2015-12-08 CN CN201521004253.2U patent/CN205246715U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108809303A (en) * | 2018-06-19 | 2018-11-13 | 四川九洲电器集团有限责任公司 | The individually controllable small stepping broadband frequency source of miniaturized multichannel and its working method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |