CN109508477A - It mutually makes an uproar under a kind of vibration environment and deteriorates low clock distribution block - Google Patents
It mutually makes an uproar under a kind of vibration environment and deteriorates low clock distribution block Download PDFInfo
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- CN109508477A CN109508477A CN201811212306.8A CN201811212306A CN109508477A CN 109508477 A CN109508477 A CN 109508477A CN 201811212306 A CN201811212306 A CN 201811212306A CN 109508477 A CN109508477 A CN 109508477A
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- power splitter
- power
- circuit
- clock distribution
- distribution block
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
- G06F30/392—Floor-planning or layout, e.g. partitioning or placement
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Architecture (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
Abstract
It mutually makes an uproar under a kind of vibration environment and deteriorates low clock distribution block, including shell, a plurality of output interfaces are provided at the top of the housing exterior walls, the housing exterior walls bottom is provided with input interface close to right positions, multilayer board is fixedly connected with by a plurality of press strips at the top and bottom of the shell inner surface, the multilayer board front is once provided with power circuit from bottom to top, power-devided circuit, amplifying circuit and microwave circuit, the power-devided circuit includes the one or two power splitter, two or two power splitter, one or four power splitter, two or four power splitter and the three or four power splitter, the amplifying circuit includes a plurality of high isolation amplifiers, the microwave circuit includes coupler, wave detector and a plurality of microwave filters, the present invention relates to clock system technical fields.Which solves communication used at present, radar system clock systems to need to reduce the problem of deteriorating of mutually making an uproar using large volume of vibration absorber under vibrating conditions.
Description
Technical field
The present invention relates to clock system technical field, mutually makes an uproar under specially a kind of vibration environment and deteriorate low clock distribution mould
Block.
Background technique
Clock system, which is mainly used in requirement, has unified time to be produced, the unit of scheduling such as: electric power, airport, light rail,
The fields such as subway, stadiums, hotel, hospital, army, oil field, hydraulic engineering.Big regional clock system is mainly by master clock and more
Estrade clock is constituted, and clock system application is also very extensive in communication, radar system, reduces vibration pair in conventional clock system
Bring of mutually making an uproar influences, it will usually and vibration insulating system support or bracket is added, but the increase of volume can be brought, it is used at present logical
Letter, radar system clock system need to reduce the problem of deteriorating of mutually making an uproar using large volume of vibration absorber under vibrating conditions.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides mutually making an uproar to deteriorate low clock distribution block under a kind of vibration environment, solves
Determined existing communication used at present, radar system clock system needs to subtract using large volume of vibration absorber under vibrating conditions
Small phase is made an uproar the problem of deteriorating.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: mutually making an uproar under a kind of vibration environment, it is low to deteriorate
Clock distribution block, including shell, the housing exterior walls top are provided with a plurality of output interfaces, and the housing exterior walls bottom is leaned on
Nearly right positions are provided with input interface, and the shell inner surface top and bottom are fixedly connected with multilayer by a plurality of press strips
Printed board, the multilayer board front are once provided with power circuit, power-devided circuit, amplifying circuit and microwave electricity from bottom to top
Road, the power-devided circuit include the one or two power splitter, the two or two power splitter, the one or four power splitter, the two or four power splitter and third
Four power splitters, the amplifying circuit include a plurality of high isolation amplifiers, and the microwave circuit includes coupler, wave detector and answers
Several microwave filters.
Preferably, the power supply chip in the power circuit selects the power supply chip of ultra-low noise.
Preferably, the input interface is connect by radio-frequency channel in power circuit with the one or two power splitter.
Preferably, the one or the two power splitter output end passes through amplifier and filter and the one or four power splitter and respectively
The connection of two or two power splitters.
Preferably, the one or the four power splitter output end by high isolation amplifier respectively with microwave filter and coupler
Connection, the coupler output are connect with filter and wave detector respectively.
Preferably, the two or the two power splitter output end is connect with the two or four power splitter and the three or four power splitter respectively.
Preferably, the two or four power splitter and the three or four power splitter connection output end by high isolation amplifier with it is micro-
Wave filter connection.
Preferably, four layers of printed board are selected in the multilayer board.
Preferably, the microwave filter output end is connect with output interface.
Preferably, the amplification chip in the high isolation amplifier uses the amplification chip (> 50dB) of high-isolation.
(3) beneficial effect
The present invention provides mutually making an uproar to deteriorate low clock distribution block under a kind of vibration environment, have it is following the utility model has the advantages that
(1) four layers of printed board are selected by multilayer board, connected at the top and bottom of shell inner surface by the way that a plurality of press strips are fixed
It is connected to multilayer board, uses four layers of printed board and close structure to be equipped with and assisted the fixation of press strip in structure, realizes
Printed board, component deviate that small, signal noise is small, mutual crosstalk is small under vibration, are designed with multilayer board, by microwave
Together with circuit is designed with power circuit, meet the needs of miniaturization volume, and carries out compartment respectively, and power supply cabling is passed through
Cabling is directly connected to the microwave chip that need to be powered inside printed board, removes normal cable line connection mode, carries out in this way
Reach the technical requirements for mutually making an uproar and deteriorating and being less than 3dB under vibration.
(2) power supply chip that ultra-low noise is selected by the power supply chip in power circuit, further decreases the shadow of noise
It rings；Power circuit and microwave circuit are subjected to separate space processing simultaneously.
(3) amplification chip (> 50dB) that high-isolation is used by the amplification chip in high isolation amplifier, reduces letter
Number feedback is influenced to caused by other branches, reduces crosstalk.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention appearance diagram；
Fig. 3 is workflow schematic diagram of the present invention.
In figure: 1- shell, 2- output interface, 3- input interface, 4- press strip, 5- multilayer board, 6- power circuit, 7- function
Parallel circuit, 8- amplifying circuit, 9- microwave circuit, the one or two power splitter of 10-, the two or two power splitter of 11-, the one or four power splitter of 12-,
The two or four power splitter of 13-, the three or four power splitter of 14-, 15- high isolation amplifier, 16- coupler, 17- microwave filter, 18- inspection
Wave device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: mutually making an uproar under a kind of vibration environment and deteriorate low clock distribution
Module, including shell 1,1 outer wall of shell top are provided with a plurality of output interfaces 2, and 1 outer wall bottom of shell is installed close to right lateral position
It is equipped with input interface 3,1 inner surface of shell top and bottom are fixedly connected with multilayer board 5, multilayer by a plurality of press strips 4
Four layers of printed board are selected in printed board 5, use four layers of printed board and close structure to be equipped with and assisted the fixation of press strip in structure,
It realizes printed board, component and deviates that small, signal noise is small, mutual crosstalk is small under vibration, designed with multilayer board,
By microwave circuit together with power circuit design, meet the needs of miniaturization volume, and carries out compartment respectively, and power supply is walked
Line is directly connected to the microwave chip that need to be powered by cabling inside printed board, removes normal cable line connection mode, reaches mode
It is tightened to the technical requirements for mutually making an uproar and deteriorating and being less than 3dB under vibration, the primary setting from bottom to top of 5 front of multilayer board
There are power circuit 6, power-devided circuit 7, amplifying circuit 8 and microwave circuit 9, the power supply chip in power circuit 6 selects ultra-low noise
Power supply chip, the power supply chip of ultra-low noise is selected by power supply chip in power circuit, further decreases the shadow of noise
It rings；Power circuit and microwave circuit are subjected to separate space processing simultaneously, power-devided circuit 7 includes the one or two power splitter 10, the two or two function
Point device 11, the one or four power splitter 12, the two or four power splitter 13 and the three or four power splitter 14, input interface 3 by power circuit 6 with
The connection of one or two power splitter 10,10 output end of the one or two power splitter pass through amplifier and filter and the one or four power splitter 12 respectively
With the two or two power splitter 11 connect, 11 output end of the two or two power splitter respectively with the two or four power splitter 13 and the three or four power splitter 14
The output end of connection, the two or four power splitter 13 and the connection of the three or four power splitter 14 passes through high isolation amplifier 15 and microwave filter
17 connections, 17 output end of microwave filter are connect with output interface 2, and amplifying circuit 8 includes a plurality of high isolation amplifiers 15, micro-
Wave circuit 9 includes coupler 16, wave detector 18 and a plurality of microwave filters 17,12 output end of the one or four power splitter by it is high every
Connect respectively with microwave filter 17 and coupler 16 from amplifier 15,16 output end of coupler respectively with microwave filter 17 and
Wave detector 18 connects, and 17 output end of microwave filter is connect with output interface 2, and the amplification chip in high isolation amplifier 15 uses
The amplification chip > 50dB of high-isolation uses the amplification chip > of high-isolation by the amplification chip in high isolation amplifier
50dB, reduce signal feedback influences to caused by other branches, reduces crosstalk.
In use, signal is inputted from input interface 3, the one or two function is transferred to by the radio-frequency channel in 6 power circuits
Point the 10, the 1st power splitter 10 of device gives the two or two power splitter 11 and the one or four power splitter 12 by amplifier and filter transfer,
The processing of two or two power splitter 11 is transferred to the two or four power splitter 13 and the three or four power splitter 14, the one or four power splitter 12 processing difference
It is transferred to output interface 2 by high isolation amplifier 15 and microwave filter 17, by high isolation amplifier high isolation amplifier
15, coupler 16 and wave detector 18 transmit out TTL, and the two or four power splitter 13 and the three or four power splitter 14 pass through high isolation amplifier
15 and microwave filter 17 be transferred to output interface 2.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By the sentence " element limited including one, it is not excluded that including
There is also other identical elements in the process, method, article or equipment of element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
- Deteriorate low clock distribution block 1. mutually making an uproar under a kind of vibration environment, including shell (1), it is characterised in that: the shell (1) it is provided with a plurality of output interfaces (2) at the top of outer wall, shell (1) the outer wall bottom is provided with input close to right positions Interface (3), shell (1) the inner surface top and bottom are fixedly connected with multilayer board (5) by a plurality of press strips (4), The multilayer board (5) front be once provided with from bottom to top power circuit (6), power-devided circuit (7), amplifying circuit (8) and Microwave circuit (9)；The power-devided circuit (7) includes the one or two power splitter (10), the two or two power splitter (11), the one or four power splitter (12), the Two or four power splitters (13) and the three or four power splitter (14)；The amplifying circuit (8) includes a plurality of high isolation amplifiers (15)；The microwave circuit (9) includes coupler (16), wave detector (18) and a plurality of microwave filters (17).
- 2. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute State the power supply chip that the power supply chip in power circuit (6) selects ultra-low noise.
- 3. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute Input interface (3) are stated to connect by power circuit (6) with the one or two power splitter (10).
- 4. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute It states the one or two power splitter (10) output end and passes through amplifier and filter and the one or four power splitter (12) and the two or two function point respectively Device (11) connection.
- 5. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute State the one or four power splitter (12) output end by high isolation amplifier (15) respectively with microwave filter (17) and coupler (16) Even, coupler (16) output end is connect with microwave filter (17) and wave detector (18) respectively.
- 6. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute The two or two power splitter (11) output end is stated to connect with the two or four power splitter (13) and the three or four power splitter (14) respectively.
- 7. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute The output end for stating the two or four power splitter (13) and the connection of the three or four power splitter (14) is filtered by high isolation amplifier (15) and microwave Wave device (17) connection, microwave filter (17) output end are connect with output interface (2).
- 8. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute It states multilayer board (5) and selects four layers of printed board.
- 9. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: institute Microwave filter (17) output end is stated to connect with output interface (2).
- 10. mutually making an uproar under a kind of vibration environment according to claim 1 deteriorates low clock distribution block, it is characterised in that: Amplification chip in the high isolation amplifier (15) uses the amplification chip of high-isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811212306.8A CN109508477B (en) | 2018-10-09 | 2018-10-09 | Clock distribution module with low phase noise degradation in vibration environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811212306.8A CN109508477B (en) | 2018-10-09 | 2018-10-09 | Clock distribution module with low phase noise degradation in vibration environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109508477A true CN109508477A (en) | 2019-03-22 |
| CN109508477B CN109508477B (en) | 2023-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811212306.8A Active CN109508477B (en) | 2018-10-09 | 2018-10-09 | Clock distribution module with low phase noise degradation in vibration environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109508477B (en) |
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|---|---|
| CN109508477B (en) | 2023-08-18 |
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