CN207652416U - The Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization - Google Patents
The Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization Download PDFInfo
- Publication number
- CN207652416U CN207652416U CN201721339260.7U CN201721339260U CN207652416U CN 207652416 U CN207652416 U CN 207652416U CN 201721339260 U CN201721339260 U CN 201721339260U CN 207652416 U CN207652416 U CN 207652416U
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- Prior art keywords
- circuit board
- oscillating circuit
- fixed seat
- frequency source
- microwave frequency
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- 239000012212 insulator Substances 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 239000010409 thin film Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000005476 soldering Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
The utility model discloses the Microwave Frequency Sources of the locking phase coaxial dielectric of miniaturization, including：Fixed seat, the first oscillating circuit board, the second oscillating circuit board, harmonic mixing phase lock circuitry plate, power-up needle, insulator and sub-miniature A connector；The upper surface portion of fixed seat is recessed inwardly to form epicoele, the lower surface of fixed seat all partly is recessed inwardly to form cavity of resorption, the inside of fixed seat forms one layer of partition board, first oscillating circuit board, second oscillating circuit board and harmonic mixing phase lock circuitry plate are all fixed on partition board, first oscillating circuit board and the second oscillating circuit board are located in epicoele, harmonic mixing phase lock circuitry plate is located in cavity of resorption, power up needle, insulator and sub-miniature A connector are separately positioned on the side of fixed seat, harmonic mixing phase lock circuitry plate uses ceramic dielectric substrate, first oscillating circuit board, second oscillating circuit board all uses thin film circuit.The Microwave Frequency Source overcomes frequency source in the prior art to have the deficiencies of vibration resistance is poor, volume is big, long-term working stability is poor.
Description
Technical field
The utility model is related to Microwave Frequency Source field of structural design, and in particular, to a kind of locking phase of miniaturization is coaxial
The Microwave Frequency Source of medium.
Background technology
In modern radar system, low phase noise, high stability, high spectral purity frequency source be its core component,
There is direct relationship to improving system performance.In recent years, with the continuous development of Defence business, to the performance indicator of frequency source
Increasingly higher demands are proposed, this is mainly manifested in properties of product, working environment, product reliability, miniaturization, anti-vibration punching
Hit etc. requires.Digital servo-control and coaxial dielectric are combined by we, Optimization Design of Electronic Circuits, allow it that can play respective strong point
Reach best performance, especially has the advantages that vibration resistance, miniaturization, high stability, high environmental suitability etc., completely
Meet the minimizing of satellite communication system complete machine, demand easy of integration.But frequency source in the prior art have vibration resistance it is poor,
The deficiencies of volume is big, long-term working stability is poor.
The purpose of this utility model is to provide a kind of structure of the locking phase coaxial dielectric Microwave Frequency Source of miniaturization, wherein mixed
Frequency phase lock circuitry plate is using ceramic dielectric substrate, and oscillating circuit board is using thin film circuit in such a way that LTCC technology is combined
It realizes, which also uses the coaxial dielectric of high q-factor as resonator, coordinates the oscillating tube of low noise, it is pure to generate high spectrum
The stable frequency source of degree, low phase noise, this frequency source have small, stable and reliable in work, while having vibration resistance, small
The advantages of type, high stability, high environmental suitability.
Utility model content
In view of the above technical problems, the purpose of the utility model is to overcome frequency sources in the prior art to have vibration resistance
Difference, the deficiencies of volume is big, long-term working stability is poor, to provide a kind of locking phase coaxial dielectric Microwave Frequency Source of miniaturization
Structure, wherein mixing phase lock circuitry plate, using ceramic dielectric substrate, oscillating circuit board uses thin film circuit and LTCC technology
The mode being combined realizes that the frequency source also uses the coaxial dielectric of high q-factor as resonator, coordinates the oscillating tube of low noise,
Generate high spectral purity, low phase noise stable frequency source, this frequency source have it is small, stable and reliable in work, simultaneously
Have the advantages that vibration resistance, miniaturization, high stability, high environmental suitability.
To achieve the goals above, the utility model provides a kind of microwave frequency of the locking phase coaxial dielectric of miniaturization
Source, the Microwave Frequency Source include：Fixed seat, the first oscillating circuit board, the second oscillating circuit board, harmonic mixing phase lock circuitry
Plate, power-up needle, insulator and sub-miniature A connector；The upper surface portion of the fixed seat is recessed inwardly to form epicoele, the fixed seat
Lower surface all is partly recessed inwardly to form cavity of resorption, one layer of partition board of inside formation of the fixed seat, first oscillating circuit board,
Second oscillating circuit board and the harmonic mixing phase lock circuitry plate are all fixed on the partition board, and first oscillation
Circuit board and second oscillating circuit board are located in the epicoele, and the harmonic mixing phase lock circuitry plate is located at the cavity of resorption
In, the power-up needle, the insulator and the sub-miniature A connector are separately positioned on the side of the fixed seat, and the power-up
Needle and the insulator are electrically connected with second oscillating circuit board respectively, and the sub-miniature A connector is at least arranged two, one of them
Sub-miniature A connector and second oscillating circuit board are electrically connected, and play the role of external signal input port, another sub-miniature A connector with
Signal output is played the role of in the harmonic mixing phase lock circuitry plate electric connection；The harmonic mixing phase lock circuitry plate uses
Ceramic dielectric substrate, first oscillating circuit board, the second oscillating circuit board all use thin film circuit.
Preferably, first oscillating circuit board and second oscillating circuit board are respectively welded on the partition board；Institute
Harmonic mixing phase lock circuitry plate is stated to be fixed by screws on the partition board.
Preferably, the power-up needle and the insulator are respectively welded at the side of the fixed seat.
Preferably, the side of the fixed seat is provided with threaded hole, is provided on the sub-miniature A connector and the threaded hole phase
The external screw thread of cooperation, the sub-miniature A connector are threadedly secured in the side of the fixed seat.
Preferably, first oscillating circuit board, second oscillating circuit board, the power-up needle and the insulator point
It is not welded by OM338 soldering paste.
Preferably, the temperature of the OM338 soldering paste is 200 DEG C -230 DEG C.
Preferably, the Microwave Frequency Source further includes：Upper cover plate and lower cover, the upper cover plate and lower cover difference
It is fixed in the fixed seat, the upper cover plate is for the opening of the epicoele to be encapsulated；The lower cover is used for institute
The opening for stating cavity of resorption is encapsulated.
Preferably, the upper cover plate and the lower cover are realized and fixed seat sealing-in by solder stick respectively.
According to above-mentioned technical proposal, institute in the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization provided by the utility model
Fixed seat is stated for assembling fixed original paper, first oscillating circuit board, second oscillating circuit board and the harmonic wave
Mixing phase lock circuitry plate is all fixed on the partition board, and first oscillating circuit board and second oscillating circuit board are located at
In the epicoele, the harmonic mixing phase lock circuitry plate is located in the cavity of resorption, wherein what the mixing phase lock circuitry plate used
It is ceramic dielectric substrate, two oscillating circuit boards are realized using thin film circuit in such a way that LTCC technology is combined, this practicality is new
The Microwave Frequency Source that type provides also uses the coaxial dielectric of high q-factor as resonator, coordinates the oscillating tube of low noise, generates high frequency
The stable frequency source of spectral purity, low phase noise, this frequency source have small, stable and reliable in work, while having antivibration
The advantages of property, miniaturization, high stability, high environmental suitability.
Other feature and advantage of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, an and part for constitution instruction, and following
Specific implementation mode be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings：
Fig. 1 be the utility model a kind of preferred embodiment in the microwave of the locking phase coaxial dielectric of miniaturization that provides
The installation diagram of first oscillating circuit board and the second oscillating circuit board in frequency source；
Fig. 2 be the utility model a kind of preferred embodiment in the microwave of the locking phase coaxial dielectric of miniaturization that provides
The installation diagram of harmonic mixing phase lock circuitry plate in frequency source；
Fig. 3 be the utility model a kind of preferred embodiment in the microwave of the locking phase coaxial dielectric of miniaturization that provides
The vertical view of fixed seat in frequency source；
Fig. 4 be the utility model a kind of preferred embodiment in the microwave of the locking phase coaxial dielectric of miniaturization that provides
The sectional view in the directions fixed seat AA in frequency source；
Fig. 5 be the utility model a kind of preferred embodiment in the microwave of the locking phase coaxial dielectric of miniaturization that provides
The circuit diagram of frequency source.
Reference sign
1 fixed seat, 2 harmonic mixing phase lock circuitry plate
3 first oscillating circuit board, 4 second oscillating circuit board
5 insulator 6SMA connectors
7 power-up 8 partition boards of needle
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific implementation mode is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In the present invention, in the absence of explanation to the contrary, the side that " upper and lower, inside and outside " etc. is included in the term
Position word only represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, without that should regard
For the limitation to the term.
As shown in Figs. 1-5, the utility model provides a kind of Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization, described
Microwave Frequency Source includes：Fixed seat 1, the second oscillating circuit board 4, harmonic mixing phase lock circuitry plate 2, adds first oscillating circuit board 3
Acusector 7, insulator 5 and sub-miniature A connector 6；The upper surface portion of the fixed seat 1 is recessed inwardly to form epicoele, the fixed seat 1
Lower surface all is partly recessed inwardly to form cavity of resorption, and the inside of the fixed seat 1 forms one layer of partition board 8, first oscillating circuit
Plate 3, second oscillating circuit board 4 and the harmonic mixing phase lock circuitry plate 2 are all fixed on the partition board 8, and described
First oscillating circuit board 3 and second oscillating circuit board 4 are located in the epicoele, the harmonic mixing phase lock circuitry plate 2
In the cavity of resorption, the power-up needle 7, the insulator 5 and the sub-miniature A connector 6 are separately positioned on the side of the fixed seat 1
Face, and the power-up needle 7 and the insulator 5 are electrically connected with second oscillating circuit board 4 respectively, the sub-miniature A connector 6 is at least
Setting two, one of sub-miniature A connector 6 are electrically connected with second oscillating circuit board 4, play the work of external signal input port
With another sub-miniature A connector 6 plays the role of signal output with the harmonic mixing phase lock circuitry plate 2 electric connection；
The harmonic mixing phase lock circuitry plate 2 uses ceramic dielectric substrate, first oscillating circuit board 3, second to vibrate
Circuit board 4 all uses thin film circuit；The power-up needle 7 is at least arranged 4, and the insulator 5 is at least arranged 2, and the SMA connects
First 6 are at least arranged 2.
According to above-mentioned technical proposal, institute in the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization provided by the utility model
Fixed seat 1 is stated for assembling fixed original paper, first oscillating circuit board 3, second oscillating circuit board 4 and described humorous
Wave mixing phase lock circuitry plate 2 is all fixed on the partition board 8, and first oscillating circuit board 3 and second oscillating circuit
Plate 4 is located in the epicoele, and the harmonic mixing phase lock circuitry plate 2 is located in the cavity of resorption, wherein the mixing phase lock circuitry
Plate 2 realized using thin film circuit in such a way that LTCC technology is combined using ceramic dielectric substrate, two oscillating circuit boards,
Microwave Frequency Source provided by the utility model also uses the coaxial dielectric of high q-factor as resonator, coordinates the oscillating tube of low noise,
Generate high spectral purity, low phase noise stable frequency source, this frequency source have it is small, stable and reliable in work, simultaneously
Have the advantages that vibration resistance, miniaturization, high stability, high environmental suitability.The working frequency of the Microwave Frequency Source is
9.36GHz and 13.05GHZ two frequency bins, output power are more than 10dBm, and spurious reduction is more than 70, and harmonics restraint is more than 30, work
It is 5.4~9V to make voltage, and operating temperature is -55 DEG C~+85 DEG C.
In the present invention, because two oscillating circuit boards need to be grounded, then preferred in one kind of the utility model
In embodiment, first oscillating circuit board 3 and second oscillating circuit board 4 are respectively welded on the partition board 8；And institute
It states harmonic mixing phase lock circuitry plate 2 to be fixed by screws on the partition board 8, be also convenient in this way to harmonic mixing locking phase electricity
Road plate 2 quickly and easily dismount.
In a kind of preferred embodiment of the utility model, the power-up needle 7 and the insulator 5 are respectively welded at
The side of the fixed seat 1.
In a kind of preferred embodiment of the utility model, the side of the fixed seat 1 is provided with threaded hole, described
The external screw thread closed with the corresponding threaded holes is provided on sub-miniature A connector 6, the sub-miniature A connector 6 is threadedly secured in the fixed seat 1
Side so that it is convenient to be dismounted to the sub-miniature A connector.
In a kind of preferred embodiment of the utility model, first oscillating circuit board 3, the second oscillation electricity
Road plate 4, the power-up needle 7 and the insulator 5 are welded by OM338 soldering paste respectively, such soldering paste be it is a it is unleaded, exempt from
Soldering paste is cleaned, reliability is high, and the Microwave Frequency Source of the utility model is suitble to use.
In a kind of preferred embodiment of the utility model, the temperature of the OM338 soldering paste is 200 DEG C -230 DEG C,
Welding effect is good in this way, will not cause the damage of circuit board.For the temperature of the OM338 soldering paste in certain the utility model
Do not make specifically defined.
In a kind of preferred embodiment of the utility model, the Microwave Frequency Source further includes：Upper cover plate and lower cover
Plate, the upper cover plate and the lower cover are separately fixed in the fixed seat 1, and the upper cover plate is used for the spacious of the epicoele
Mouth is encapsulated；The lower cover utilizes the upper cover plate and the lower cover for the opening of the cavity of resorption to be encapsulated
Component inside the fixed seat is protected, to ensure normally to work.
In a kind of preferred embodiment of the utility model, the upper cover plate and the lower cover pass through scolding tin respectively
Silk is realized and 1 sealing-in of fixed seat.Such packaging effect is good, and leakproofness is also more preferable.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (6)
1. a kind of Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization, which is characterized in that the Microwave Frequency Source includes：It is fixed
Seat (1), the second oscillating circuit board (4), harmonic mixing phase lock circuitry plate (2), powers up needle (7), is exhausted the first oscillating circuit board (3)
Edge (5) and sub-miniature A connector (6)；
The upper surface portion of the fixed seat (1) is recessed inwardly to form epicoele, and lower surface all parts of the fixed seat (1) are inwardly
Recess forms cavity of resorption, and the inside of the fixed seat (1) forms one layer of partition board (8), first oscillating circuit board (3), described the
Two oscillating circuit boards (4) and the harmonic mixing phase lock circuitry plate (2) are all fixed on the partition board (8), and described first
Oscillating circuit board (3) and second oscillating circuit board (4) are located in the epicoele, the harmonic mixing phase lock circuitry plate (2)
In the cavity of resorption, the power-up needle (7), the insulator (5) and the sub-miniature A connector (6) are separately positioned on described solid
The side of reservation (1), and the power-up needle (7) and the insulator (5) are electrically connected with second oscillating circuit board (4) respectively
It connects；The sub-miniature A connector (6) is at least arranged two, and one of sub-miniature A connector (6) electrically connects with second oscillating circuit board (4)
It connects, plays the role of external signal input port, another sub-miniature A connector (6) electrically connects with the harmonic mixing phase lock circuitry plate (2)
Pick up the effect of signal output；
The harmonic mixing phase lock circuitry plate (2) uses ceramic dielectric substrate, first oscillating circuit board (3), the second oscillation
Circuit board (4) all uses thin film circuit.
2. the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization according to claim 1, which is characterized in that described first
Oscillating circuit board (3) and second oscillating circuit board (4) are respectively welded on the partition board (8)；The harmonic mixing locking phase
Circuit board (2) is fixed by screws on the partition board (8).
3. the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization according to claim 2, which is characterized in that the power-up
Needle (7) and the insulator (5) are respectively welded at the side of the fixed seat (1).
4. the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization according to claim 3, which is characterized in that the fixation
The side of seat (1) is provided with threaded hole, and the external screw thread closed with the corresponding threaded holes is provided on the sub-miniature A connector (6), described
Sub-miniature A connector (6) is threadedly secured in the side of the fixed seat (1).
5. the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization according to claim 1, which is characterized in that the microwave
Frequency source further includes：Upper cover plate and lower cover, the upper cover plate and the lower cover are separately fixed in the fixed seat (1),
The upper cover plate is for the opening of the epicoele to be encapsulated；The lower cover is used to encapsulate the opening of the cavity of resorption
Get up.
6. the Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization according to claim 5, which is characterized in that the upper cover
Plate and the lower cover are realized and fixed seat (1) sealing-in by solder stick respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339260.7U CN207652416U (en) | 2017-10-18 | 2017-10-18 | The Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721339260.7U CN207652416U (en) | 2017-10-18 | 2017-10-18 | The Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652416U true CN207652416U (en) | 2018-07-24 |
Family
ID=62883352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721339260.7U Expired - Fee Related CN207652416U (en) | 2017-10-18 | 2017-10-18 | The Microwave Frequency Source of the locking phase coaxial dielectric of miniaturization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652416U (en) |
-
2017
- 2017-10-18 CN CN201721339260.7U patent/CN207652416U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |