CN201789489U - Ultra-low-phase noise digital phase locking coaxial dielectric oscillator - Google Patents
Ultra-low-phase noise digital phase locking coaxial dielectric oscillator Download PDFInfo
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- CN201789489U CN201789489U CN2010202615775U CN201020261577U CN201789489U CN 201789489 U CN201789489 U CN 201789489U CN 2010202615775 U CN2010202615775 U CN 2010202615775U CN 201020261577 U CN201020261577 U CN 201020261577U CN 201789489 U CN201789489 U CN 201789489U
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Abstract
An ultra-low-phase noise digital phase locking coaxial dielectric oscillator comprises a CDRO circuit board, a PLL circuit board, a frequency tripling circuit board, an amplifying circuit board, a cavity, an SMA connector, a power feed-through capacitor and a locking indicating feed-through capacitor. The CDRO circuit board, the PLL circuit board, the frequency tripling circuit board and the amplifying circuit board are all mounted in the cavity, the SMA connector, the power feed-through capacitor and the locking indicating feed-through capacitor are mounted at the lateral end of the cavity, the CDRO circuit board is respectively connected with the PLL circuit board and the frequency tripling circuit board, the PLL circuit board and the frequency tripling circuit board are respectively connected to the amplifying circuit board, the SMA connector is connected with an output port of a microstrip line of the amplifying circuit, a pin end of the power feed-through capacitor and a pin end of the locking indicating feed-through capacitor are connected with corresponding microstrip lines of the PLL circuit board, the other end of the power feed-through capacitor is used as a direct-current input interface, and the other end of the locking indicating feed-through capacitor is used as a locking indicating signal output interface. The dielectric oscillator has the advantages of compact circuits, low power consumption and low cost.
Description
[technical field]
The utility model product belongs to the microwave hybrid integrated circuit field, is a kind of ultralow phase noise numeral phase-locked CDRO (coaxial dielectric oscillator).
[background technology]
Ultralow phase noise local vibration source all has a wide range of applications in systems such as microwave communication, satellite communication, radar, navigation, guidance, electronic countermeasures, test instrumentation, the quality of its performance can directly influence the performance of phase modulation system, and the error rate of digital communication system is also had material impact.The implementation method of ultralow phase noise local vibration source mainly contains the phase-locked synthetic and digital phase-locking of direct frequency synthesis, simulation and is combined to three kinds.Directly phase-locked synthesizing of frequency synthesis and simulation realized the low phase noise performance easily, but their power consumption is big, circuit structure is complicated and poor reliability.The digital phase-locking that new development is got up is combined to the shortcoming that technology has remedied traditional local vibration source technology, have the advantage that output frequency can be provided with flexibly by program, circuit structure is simple and reliability is high, by appropriate design circuit phase noise can near or reach direct frequency synthesis, the simulation phase-locked synthetic level.Along with the development of the phase-locked number of words of numeral and the raising of device level, digital phase-locked CDRO will more extensively send out in the application of ultralow phase noise microwave local oscillator.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of circuit compactness, low in energy consumption and ultralow phase noise digital phase-locking same axis dielectric oscillator that cost is low.
The phase-locked CDRO of numeral is a kind of important realization technology of microwave local oscillator.In recent years, along with the fast development of microwave and millimeter wave technology, more and more higher requirement has been proposed the local vibration source that is operated in microwave frequency band.Phase-locked CDRO is simple in structure for numeral, and frequency configuration is flexible, and can obtain good phase noise performance, is the microwave local oscillation source technology of current main-stream.
The utility model solves the problems of the technologies described above by the following technical programs: a kind of ultralow phase noise digital phase-locking same axis dielectric oscillator, comprise coaxial dielectric pierce circuit plate, the phase-locked loop circuit plate, the trebling circuit plate, magnification circuit plate, cavity, sub-miniature A connector, power supply feedthrough capacitor and locking indication feedthrough capacitor, described dielectric oscillator circuit board, the phase-locked loop circuit plate, the trebling circuit plate, magnification circuit plate is installed in the cavity, sub-miniature A connector, power supply feedthrough capacitor and locking indication feedthrough capacitor are installed in the side of cavity, described dielectric oscillator circuit board respectively with the phase-locked loop circuit plate, the trebling circuit plate is connected, described phase-locked loop circuit plate, the trebling circuit plate is connected respectively to magnification circuit plate, described sub-miniature A connector is connected with the microstrip line output port of magnification circuit plate, described power supply feedthrough capacitor is connected with corresponding microstrip line in the phase-locked loop circuit plate with pin one end of locking indication feedthrough capacitor, the other end of power supply feedthrough capacitor is as the direct current input interface, and the other end of locking indication feedthrough capacitor is as the lock indication signal output interface.
Described trebling circuit plate, magnification circuit plate are welded on the upper and lower in left side in the cavity respectively by soldering, described coaxial dielectric pierce circuit plate, phase-locked loop circuit plate are fixedly mounted on right side in the cavity with screw respectively, coaxial dielectric pierce circuit plate and phase-locked loop circuit plate lay respectively at the bottom and the top on right side in the cavity, described sub-miniature A connector is fixed on the left upper end of cavity with screw, be connected with magnification circuit plate microstrip line output port by its inner wire, described power supply feedthrough capacitor and locking indication feedthrough capacitor are welded on the upper end, right side of cavity.
Be connected by the short coaxial line that passes the cavity partition wall between described dielectric oscillator circuit board and phase-locked loop circuit plate, the trebling circuit plate, also be connected between described phase-locked loop circuit plate, trebling circuit plate and the magnification circuit plate by the short coaxial line that passes the cavity partition wall.
The advantage of the ultralow phase noise digital phase-locking of the utility model same axis dielectric oscillator is: the circuit compactness, low in energy consumption, cost is low, easy for installationly firmly be convenient to produce in batches, anti-seismic performance is better.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structure chart of the ultralow phase noise digital phase-locking of the utility model same axis dielectric oscillator.
[embodiment]
See also Fig. 1, the ultralow phase noise digital phase-locking of the utility model same axis dielectric oscillator comprises CDRO (coaxial dielectric oscillator) circuit board 1, PLL (phase-locked loop) circuit board 2, trebling circuit plate 3, magnification circuit plate 4, cavity 5, sub-miniature A connector 6, screw 7, power supply feedthrough capacitor 8 and locking indication feedthrough capacitor 9 totally nine parts.
Described CDRO circuit board 1, PLL (phase-locked loop) circuit board 2, trebling circuit plate 3 and magnification circuit plate 4 are finished frequency of oscillation generation, locking, frequency multiplication and amplification, and each circuit board substrate material is FR-4, and all electronic devices and components that use are the paster components and parts.Cavity 5 is used for laying each circuit board, finishes functions such as mechanical fixation, electromagnetic compatibility and heat radiation, and material is a duralumin.Sub-miniature A connector 6 is finished the output of the phase-locked CDRO signal of ultralow phase noise numeral, and material is that stainless steel is gold-plated.Screw 7 is used for fixing sub-miniature A connector 6.Power supply feedthrough capacitor 8 and locking indication feedthrough capacitor 9 are respectively applied for direct current input and lock indication signal output.After processing circuit board, electronic devices and components are welded on each circuit board, with screw circuit board are placed in cavity again, sub-miniature A connector 6 and power supply feedthrough capacitor 8 and locking indication feedthrough capacitor 9 are installed at last.
Concrete installation procedure is as follows: described trebling circuit plate 3, magnification circuit plate 4 are welded on the upper and lower in left side in the cavity 5 respectively by soldering, weld the electronic devices and components on trebling circuit plate 3, the magnification circuit plate 4 then; Pass cavity 5 partition walls by a bit of coaxial line and connect trebling circuit plate 3, magnification circuit plate 4; Welding electronic component on CDRO circuit board 1, PLL (phase-locked loop) circuit board 2, then CDRO circuit board 1, PLL (phase-locked loop) circuit board 2 are installed in right side in the cavity, CDRO circuit board 1 and PLL circuit board 2 lay respectively at the bottom and the top on right side in the cavity 5, with the M2 screw CDRO circuit board 1 and PLL circuit board 2 are fixed on cavity 5 by the screw location hole on CDRO circuit board 1 and the PLL circuit board 2; Described CDRO circuit board 1 and PLL (phase-locked loop) circuit board 2 and with trebling circuit plate 3 between all be connected by the short coaxial line that passes cavity 5 partition walls; Also be connected between described PLL circuit board 2 and the magnification circuit plate 4 by the short coaxial line that passes cavity 5 partition walls; Described sub-miniature A connector 6 is a signal output device, is fixed on the left upper end of cavity 5 with screw 7, is connected with magnification circuit plate 4 microstrip line output ports by its inner wire; Power supply feedthrough capacitor 8 and locking indication feedthrough capacitor 9 are welded on the upper end, right side of cavity 5, and an end of their pins is connected with corresponding microstrip line in the PLL circuit board 2, and the other end is connected with external circuit by aviation lead (not shown); Dotted line represents to connect the short coaxial line of each circuit board among Fig. 1.
Claims (3)
1. ultralow phase noise digital phase-locking same axis dielectric oscillator, it is characterized in that: comprise coaxial dielectric pierce circuit plate, the phase-locked loop circuit plate, the trebling circuit plate, magnification circuit plate, cavity, sub-miniature A connector, power supply feedthrough capacitor and locking indication feedthrough capacitor, described dielectric oscillator circuit board, the phase-locked loop circuit plate, the trebling circuit plate, magnification circuit plate is installed in the cavity, sub-miniature A connector, power supply feedthrough capacitor and locking indication feedthrough capacitor are installed in the side of cavity, described dielectric oscillator circuit board respectively with the phase-locked loop circuit plate, the trebling circuit plate is connected, described phase-locked loop circuit plate, the trebling circuit plate is connected respectively to magnification circuit plate, described sub-miniature A connector is connected with the microstrip line output port of magnification circuit plate, described power supply feedthrough capacitor is connected with corresponding microstrip line in the phase-locked loop circuit plate with pin one end of locking indication feedthrough capacitor, the other end of power supply feedthrough capacitor is as the direct current input interface, and the other end of locking indication feedthrough capacitor is as the lock indication signal output interface.
2. ultralow phase noise digital phase-locking same axis dielectric oscillator as claimed in claim 1, it is characterized in that: described trebling circuit plate, magnification circuit plate is welded on the upper and lower in left side in the cavity respectively by soldering, described coaxial dielectric pierce circuit plate, the phase-locked loop circuit plate is fixedly mounted on right side in the cavity with screw respectively, coaxial dielectric pierce circuit plate and phase-locked loop circuit plate lay respectively at the bottom and the top on right side in the cavity, described sub-miniature A connector is fixed on the left upper end of cavity with screw, be connected with magnification circuit plate microstrip line output port by its inner wire, described power supply feedthrough capacitor and locking indication feedthrough capacitor are welded on the upper end, right side of cavity.
3. ultralow phase noise digital phase-locking same axis dielectric oscillator as claimed in claim 1, it is characterized in that: be connected by the short coaxial line that passes the cavity partition wall between described dielectric oscillator circuit board and phase-locked loop circuit plate, the trebling circuit plate, also be connected between described phase-locked loop circuit plate, trebling circuit plate and the magnification circuit plate by the short coaxial line that passes the cavity partition wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202615775U CN201789489U (en) | 2010-07-14 | 2010-07-14 | Ultra-low-phase noise digital phase locking coaxial dielectric oscillator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202615775U CN201789489U (en) | 2010-07-14 | 2010-07-14 | Ultra-low-phase noise digital phase locking coaxial dielectric oscillator |
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| CN201789489U true CN201789489U (en) | 2011-04-06 |
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| CN2010202615775U Expired - Fee Related CN201789489U (en) | 2010-07-14 | 2010-07-14 | Ultra-low-phase noise digital phase locking coaxial dielectric oscillator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739243A (en) * | 2012-06-29 | 2012-10-17 | 安徽华东光电技术研究所 | Low phase noise phase-locked medium oscillator |
| CN105429633A (en) * | 2014-09-17 | 2016-03-23 | 常熟市荣兴化纺有限责任公司 | Low-phase-noise microwave local oscillator signal generator |
| CN106341125A (en) * | 2016-08-30 | 2017-01-18 | 安徽华东光电技术研究所 | Coaxial medium oscillation source processing method |
| CN107396546A (en) * | 2017-06-22 | 2017-11-24 | 中科迪高微波系统有限公司 | The preparation method of miniaturization lock same axis medium Microwave Frequency Source |
-
2010
- 2010-07-14 CN CN2010202615775U patent/CN201789489U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739243A (en) * | 2012-06-29 | 2012-10-17 | 安徽华东光电技术研究所 | Low phase noise phase-locked medium oscillator |
| CN102739243B (en) * | 2012-06-29 | 2015-07-08 | 安徽华东光电技术研究所 | Low phase noise phase-locked medium oscillator |
| CN105429633A (en) * | 2014-09-17 | 2016-03-23 | 常熟市荣兴化纺有限责任公司 | Low-phase-noise microwave local oscillator signal generator |
| CN105429633B (en) * | 2014-09-17 | 2018-10-19 | 浙江欧托电气有限公司 | The microwave local signal generator of low phase noise |
| CN106341125A (en) * | 2016-08-30 | 2017-01-18 | 安徽华东光电技术研究所 | Coaxial medium oscillation source processing method |
| CN106341125B (en) * | 2016-08-30 | 2019-03-12 | 安徽华东光电技术研究所 | Coaxial medium oscillation source processing method |
| CN107396546A (en) * | 2017-06-22 | 2017-11-24 | 中科迪高微波系统有限公司 | The preparation method of miniaturization lock same axis medium Microwave Frequency Source |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20150714 |
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| EXPY | Termination of patent right or utility model |