CN110391811A - A kind of star frequency source component - Google Patents
A kind of star frequency source component Download PDFInfo
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- CN110391811A CN110391811A CN201910688453.0A CN201910688453A CN110391811A CN 110391811 A CN110391811 A CN 110391811A CN 201910688453 A CN201910688453 A CN 201910688453A CN 110391811 A CN110391811 A CN 110391811A
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- 230000003321 amplification Effects 0.000 claims abstract description 49
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 49
- 238000012544 monitoring process Methods 0.000 claims description 34
- 239000013078 crystal Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 108010001267 Protein Subunits Proteins 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 1
- 239000000306 component Substances 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
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- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Amplifiers (AREA)
Abstract
The present invention discloses a kind of star frequency source component, the frequency source component include: include: amplification function sub-unit and frequency generating units；The amplification function sub-unit carries out a power amplification and a power distribution for generating reference signal, and to the reference signal, generates multichannel and refers to amplified signal；Wherein, a part is exported with reference to amplified signal by secondary power amplification and secondary power distribution, and another part is exported with reference to amplified signal to the frequency generating units；The frequency generating units are used to carry out frequency and phase controlling with reference to amplified signal to described another part, generate the point-frequency signal of different-waveband to be exported.The present invention provides a kind of star frequency source component design, have the features such as high and low phase noise of frequency stability exports, while solving the problems, such as that different-waveband signal interferes with each other.
Description
Technical field
The present invention relates to spaceborne radar fields.More particularly, to a kind of star frequency source component.
Background technique
Frequency source component is core component in radar system, and effect is to generate various frequency signals for radar system,
The superiority and inferiority of performance directly determines the stability and power of radar system.Frequency source is realized using frequency synthesis technique, basic
There are three types of methods: direct digital frequency synthesier (DDS), phase-locked loop frequency synthesis (PLL) and comprehensive frequency synthesis (DDS+
PLL).Due to the feature that PLL frequency synthesis flexibility is high, circuit is small in size, at low cost, answered extensively in frequency source component
With.
Spaceborne radar system has more the performance indicators such as the frequency stability of frequency source component, phase noise, the purity of frequency spectrum
High requirement；The work moreover, frequency source component will maintain a long-term stability in particular circumstances is also one for product reliability
Kind challenge.
Summary of the invention
The purpose of the present invention is to provide a kind of star frequency source component designs, have the high and low phase of frequency stability
The features such as position noise output, while solving the problems, such as that different-waveband signal interferes with each other.
In order to achieve the above objectives, the present invention provides a kind of star frequency source component design, which includes: amplification function
Sub-unit and frequency generating units；
The amplification function sub-unit carries out a power amplification and one for generating reference signal, and to the reference signal
Secondary power distribution generates multichannel and refers to amplified signal；
Wherein, a part is exported with reference to amplified signal by secondary power amplification and secondary power distribution, another
Part is exported with reference to amplified signal to the frequency generating units；
The frequency generating units are used to carry out frequency and phase controlling with reference to amplified signal to described another part, generate
The point-frequency signal of different-waveband is exported.
Preferably, the amplification function sub-unit includes: constant-temperature crystal oscillator, reference signal amplifier, power divider
And power coupler；
The constant-temperature crystal oscillator is for generating internal reference signal；
The reference signal amplifier is used to carry out power amplification to the reference signal；
The power divider is used to carry out power distribution, output multi-channel reference signal to the reference signal；
The power coupler is used to carry out the reference signal coupling to be output to power monitoring unit.
Preferably, the amplification function sub-unit includes: constant-temperature crystal oscillator, the first signal amplifier, the first power point
Orchestration, second signal amplifier and the second power divider；
The constant-temperature crystal oscillator is for generating reference signal；
First signal amplifier is used to carry out a power amplification to the reference signal；
First power divider is used to carry out a power distribution to the reference signal after power amplification to produce
Raw multichannel refers to amplified signal；
Second signal amplifier is used to carry out secondary power amplification with reference to amplified signal to a part of multichannel；
Second power divider be used for by the amplified a part of multichannel of secondary power with reference to amplified signal into
Row secondary power distributes to be exported.
Preferably, the frequency generating units include: the first low-pass filter, first o'clock frequency phase locked source, third power minute
Orchestration, the second low-pass filter, second point frequency phase locked source, third low-pass filter, thirdly frequency phase locked source, the 4th power distribution
Device；
First low-pass filter is used for described another part of the amplification function sub-unit output with reference to amplification letter
Being filtered all the way with reference to amplified signal in number；
The first point frequency phase locked source is used to carry out frequency with reference to amplified signal to by the first low-pass filter is filtered
Rate and phase controlling generate the first point-frequency signal；
The third power divider is used to carry out power distribution, multiple-channel output to first point-frequency signal；
Second low-pass filter is used for described another part of the amplification function sub-unit output with reference to amplification letter
Being filtered all the way with reference to amplified signal in number；
The second point frequency phase locked source is used to carry out frequency with reference to amplified signal to by the second low-pass filter is filtered
Rate and phase controlling generate the second point-frequency signal and export；
The third low-pass filter is used for described another part of the amplification function sub-unit output with reference to amplification letter
Being filtered all the way with reference to amplified signal in number；
The thirdly frequency phase locked source is used to carry out frequency with reference to amplified signal to by third low-pass filter is filtered
Rate and phase controlling generate third point-frequency signal；
4th power divider is used to carry out power distribution, multiple-channel output to the third point-frequency signal.
Preferably, further includes:
Power coupler and power monitoring unit；
Wherein, the power coupler for the reference signal after power amplification is coupled export to
The power monitoring unit carries out performance number monitoring, when the performance number is lower than preset threshold, the power monitoring unit into
Row alarm.
Preferably, the power monitoring unit includes power detector, and the power detector carries warning function.
Preferably, the frequency source component further includes power module,
Wherein, the power module is used to carry out power supply to amplification function sub-unit, frequency generating units, power monitoring unit
Whether the voltage value for controling and monitoring each component internal components is normal.
Beneficial effects of the present invention are as follows:
A kind of star frequency source component design is provided, has the features such as high and low phase noise of frequency stability exports,
Solve the problems, such as that different-waveband signal interferes with each other simultaneously.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 shows herein described star frequency source component diagram.
Drawing reference numeral
1, amplification function sub-unit, 2, frequency generating units, 3, power monitoring unit, 4, constant-temperature crystal oscillator, 5, first
Reference signal amplifier, 6, power coupler, the 7, first power divider, the 8, second reference signal amplifier, the 9, second power
Distributor, the 10, first low-pass filter, the 11, first point frequency phase locked source, 12, third power divider, the 13, second low-pass filtering
Device, 14, second point frequency phase locked source, 15, third low-pass filter, 16, thirdly frequency phase locked source, the 17, the 4th power divider,
18, power control circuit, 19, frequency source component.
Specific embodiment
In order to which technical solution of the present invention and advantage is more clearly understood, below in conjunction with attached drawing to of the invention exemplary
Embodiment is described in more detail, it is clear that and the described embodiments are merely a part of the embodiments of the present invention, rather than
The exhaustion of all embodiments.And in the absence of conflict, the feature in the embodiment and embodiment in this explanation can be mutual
It combines.
The core ideas of this programme is that the multichannel for generating the high and low phase noise of frequency stability using amplification function sub-unit is joined
Examine signal；Real-time monitoring is carried out to reference signal power by power monitoring circuit；Pass through frequency generating units output system institute
The three kinds of point-frequency signals needed, and effectively inhibit the problem of interfering with each other between output signal.
As shown in Figure 1, a kind of star frequency source component 19, which includes: amplification function sub-unit 1, frequency
Generate unit 2 and power monitoring unit 3.In the present solution, the amplification function sub-unit generates reference signal, and to reference signal into
Row power amplification and power distribution generate eight tunnels and refer to amplified signal, wherein five tunnels directly export, three tunnels enter frequency and generate list
Member；The frequency generating units 2 generate the point-frequency signal output of three kinds of system requirements using amplified signal is referred to；The power
3 pairs of monitoring unit carry out power monitoring with reference to amplified signal.
In the present solution, the amplification function sub-unit includes: constant-temperature crystal oscillator 4, power coupler 6, multiple reference letters
Number amplifier and multiple power dividers；The constant-temperature crystal oscillator 4 is used to generate the reference of high frequency stability, Low phase noise
Signal；The power coupler 6 is used for reference signal coupling output to power monitoring unit；The multiple reference signal amplification
Device for carrying out power amplification to reference signal, and guarantees the Low phase noise of signal；The multiple power divider is used for reference
Amplified signal carries out power distribution and exports.
This programme provides a kind of preferred example, and the amplification function sub-unit includes: that constant-temperature crystal oscillator 4, first is joined
Examine signal amplifier 5, power coupler 6, the first power divider 7, the second reference signal amplifier 8, the second power divider
9.The first port of the constant-temperature crystal oscillator 4 is connect with the first port of the first reference signal amplifier 5；Described
The second port of one reference signal amplifier 5 is connect with the first port of the power coupler 6；The of the power coupler
Two-port netwerk is used for output coupling reference signal；The of the third port of the power coupler 6 and first power divider 7
Single port connection；The second port of first power divider 7 and the first port of the second reference signal amplifier 8 connect
It connects；Third port, the 4th port and the fifth port of first power divider 7 refer to amplified signal for exporting；It is described
The second port of second reference signal amplifier 8 is connect with the first port of second power divider 9；Second power
Second port, third port, the 4th port, fifth port and the 6th port of distributor 9 refer to amplified signal for exporting.
In the present solution, the frequency generating units include: multiple low-pass filters, multiple point frequency phase locked sources, multiple power
Distributor.The low-pass filter is used for filtering clutter, and the point-frequency signal for inhibiting other road phase locked sources to generate interferes this road；Institute
A frequency phase locked source is stated for generating the point-frequency signal of Low phase noise；The power divider is used to carry out power distribution to point-frequency signal
And multiple-channel output.
This programme provides a kind of preferred example, and the frequency generating units 2 include: the first low-pass filter 10, first
Point frequency phase locked source 11, third power divider 12, the second low-pass filter 13, second point frequency phase locked source 14, third low-pass filtering
Device 15, thirdly frequency phase locked source 16, the 4th power divider 17.The first port of first low-pass filter 10 is for receiving
With reference to amplified signal；The second port of first low-pass filter 10 and the first port of the first point frequency phase locked source 11 connect
It connects；The second port of the first point frequency phase locked source 11 is connect with the first port of the third power divider 12；Described
The second port and third port of three power dividers 12 are for exporting the first point-frequency signal；Second low-pass filter 13
First port is for receiving reference signal；The second port of second low-pass filter 13 and the second point frequency phase locked source 14
First port connection；The second port of the second point frequency phase locked source 14 is for exporting the second point-frequency signal；The third is low
The first port of bandpass filter 15 is for receiving reference signal；The second port and the third of the third low-pass filter 15
The first port connection of point frequency phase locked source 16；The second port of the thirdly frequency phase locked source 16 and the 4th power divider
17 first ports connection；Second port, third port and the 4th port of 4th power divider 17 are for exporting the
Three point-frequency signals.
In the present solution, the coupling reference signal that the power monitoring unit 3 is used to export power coupler 6 carries out power
Monitoring, and monitoring signals are exported to power control circuit 18.
This programme provides a kind of preferred example, and the first port of the power monitoring unit 3 is for receiving coupling reference
Signal；The second port of the power monitoring unit 3 is for exporting monitoring signals.
In the present solution, being provided with a power supply in frequency source component 19 to improve the controllability of frequency source component 19
Control circuit 18, for amplification function sub-unit 1, frequency generating units 2 and power monitoring unit to be powered and controlled.
Book is described further to this programme below by example.
As shown in Figure 1, this example provides a kind of star frequency source component 19, including 1, amplification function sub-unit, 2, frequency
Generation unit, 3, power monitoring unit, 4, constant-temperature crystal oscillator, the 5, first reference signal amplifier, 6, power coupler, 7,
First power divider, the 8, second reference signal amplifier, the 9, second power divider, the 10, first low-pass filter, 11,
Some frequency phase locked sources, 12, third power divider, the 13, second low-pass filter, 14, second point frequency phase locked source, 15, third it is low
Bandpass filter, 16, thirdly frequency phase locked source, the 17, the 4th power divider, 18, power control circuit.
In this example, the first port of the first port of constant-temperature crystal oscillator 4 and the first reference signal amplifier 5 connects
It connects；The second port of first reference signal amplifier 5 is connect with the first port of power coupler 6；The second of power coupler
Port is connect with the first port of power monitoring unit 3；The of the third port of power coupler 6 and the first power divider 7
Single port connection；The second port of first power divider 7 is connect with the first port of the second reference signal amplifier 8；Second
The second port of reference signal amplifier 8 is connect with the first port of the second power divider 9；The of first power divider 7
Three ports are connect with the first port of the first low-pass filter 10；The second port of first low-pass filter 10 is locked with first point of frequency
The first port in phase source 11 connects；The second port of first point frequency phase locked source 11 and the first port of third power divider 12 connect
It connects；4th port of the first power divider 7 is connect with the first port of the second low-pass filter 13；Second low-pass filter 13
Second port connect with the first port of second point frequency phase locked source 14；The fifth port of first power divider 7 is low with third
The first port of bandpass filter 15 connects；The first end of the second port of third low-pass filter 15 and thirdly frequency phase locked source 16
Mouth connection；Thirdly the second port of frequency phase locked source 16 is connect with 17 first ports of the 4th power divider.
Include amplification function sub-unit, frequency generating units and power monitoring list inside frequency source component described in this example 19
Member.After power amplification and distribution, five tunnels directly export the reference signal generated inside amplification function sub-unit 1, and three tunnels enter frequency
Rate generates unit 2, obtains three kinds of point-frequency signals output of system needs.Meanwhile amplifying the reference signal warp that function sub-unit 1 generates
Enter power monitoring unit 3 after coupling, real-time monitoring is carried out to reference signal power.
In the present embodiment, may be implemented the frequency stability of output signal meet when -40~+70 DEG C of temperature become≤
The requirement of ± 0.2ppm；The phase noise specifications of reference signal reach :≤- 133dBc/100Hz；≤-159dBc/1kHz；The
One, the phase noise specifications of the second point-frequency signal (low band) reach :≤- 102dBc/100Hz ,≤- 112dBc/1kHz.Third
The phase noise specifications of point-frequency signal (high band) reach :≤- 87dBc/100Hz ,≤- 98dBc/1kHz.In addition, frequency generates
In unit, every road reference signal will first pass through reentrant point frequency phase locked source after low-pass filter, and this design effectively inhibits it
Interference of the point-frequency signal that his road generates to this road.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (6)
1. a kind of star frequency source component characterized by comprising amplification function sub-unit and frequency generating units；
The amplification function sub-unit carries out a power amplification and a function for generating reference signal, and to the reference signal
Rate distribution generates multichannel and refers to amplified signal；
Wherein, a part is exported with reference to amplified signal by secondary power amplification and secondary power distribution, another part
It exports with reference to amplified signal to the frequency generating units；
The frequency generating units are used to carry out frequency and phase controlling with reference to amplified signal to described another part, generate different
The point-frequency signal of wave band is exported.
2. frequency source component according to claim 1, which is characterized in that the amplification function sub-unit includes: constant temperature crystal
Oscillator, the first signal amplifier, the first power divider, second signal amplifier and the second power divider；
The constant-temperature crystal oscillator is for generating reference signal；
First signal amplifier is used to carry out a power amplification to the reference signal；
First power divider is used to carry out a power distribution to the reference signal after power amplification more to generate
Road refers to amplified signal；
Second signal amplifier is used to carry out secondary power amplification with reference to amplified signal to a part of multichannel；
Second power divider is used to carry out two with reference to amplified signal to by the amplified a part of multichannel of secondary power
Secondary power distribution is exported.
3. frequency source component according to claim 1, which is characterized in that the frequency generating units include: the first low pass
Filter, the first point frequency phase locked source, third power divider, the second low-pass filter, second point frequency phase locked source, third low pass filtered
Wave device, thirdly frequency phase locked source, the 4th power divider；
First low-pass filter is used for described another part of the amplification function sub-unit output with reference in amplified signal
Be filtered all the way with reference to amplified signal；
The first point frequency phase locked source be used for by the first low-pass filter it is filtered with reference to amplified signal carry out frequency and
Phase controlling generates the first point-frequency signal；
The third power divider is used to carry out power distribution, multiple-channel output to first point-frequency signal；
Second low-pass filter is used for described another part of the amplification function sub-unit output with reference in amplified signal
Be filtered all the way with reference to amplified signal；
The second point frequency phase locked source be used for by the second low-pass filter it is filtered with reference to amplified signal carry out frequency and
Phase controlling generates the second point-frequency signal and exports；
The third low-pass filter is used for described another part of the amplification function sub-unit output with reference in amplified signal
Be filtered all the way with reference to amplified signal；
The thirdly frequency phase locked source be used for by third low-pass filter it is filtered with reference to amplified signal carry out frequency and
Phase controlling generates third point-frequency signal；
4th power divider is used to carry out power distribution, multiple-channel output to the third point-frequency signal.
4. frequency source component according to claim 1, which is characterized in that further include:
Power coupler and power monitoring unit；
Wherein, the power coupler is for coupling the reference signal after power amplification to export to described
Power monitoring unit carries out performance number monitoring, and when the performance number is lower than preset threshold, the power monitoring unit is reported
It is alert.
5. frequency source component according to claim 4, which is characterized in that the power monitoring unit includes power detection
Device, the power detector carry warning function.
6. frequency source component according to claim 1, which is characterized in that the frequency source component further includes power module,
Wherein, the power module is used to carry out power supply control to amplification function sub-unit, frequency generating units, power monitoring unit
It is whether normal with the voltage value of each component internal components of monitoring.
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| CN201910688453.0A CN110391811A (en) | 2019-07-29 | 2019-07-29 | A kind of star frequency source component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688453.0A CN110391811A (en) | 2019-07-29 | 2019-07-29 | A kind of star frequency source component |
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| CN110391811A true CN110391811A (en) | 2019-10-29 |
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| CN205453665U (en) * | 2016-01-05 | 2016-08-10 | 扬州海科电子科技有限公司 | Microwave frequency source module integrates |
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| CN107888186A (en) * | 2016-09-30 | 2018-04-06 | 南京誉葆科技有限公司 | A kind of active microwave source combination |
| CN107976653A (en) * | 2017-12-29 | 2018-05-01 | 皖西学院 | L-band Low phase noise frequency source |
| EP3396858A1 (en) * | 2017-04-28 | 2018-10-31 | NXP USA, Inc. | Power measurement via bond wire coupling |
| CN109100689A (en) * | 2018-07-24 | 2018-12-28 | 北京无线电测量研究所 | A kind of thin step frequency source of Phase Continuation |
-
2019
- 2019-07-29 CN CN201910688453.0A patent/CN110391811A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205453665U (en) * | 2016-01-05 | 2016-08-10 | 扬州海科电子科技有限公司 | Microwave frequency source module integrates |
| CN107888186A (en) * | 2016-09-30 | 2018-04-06 | 南京誉葆科技有限公司 | A kind of active microwave source combination |
| EP3396858A1 (en) * | 2017-04-28 | 2018-10-31 | NXP USA, Inc. | Power measurement via bond wire coupling |
| CN107529270A (en) * | 2017-09-07 | 2017-12-29 | 山东新华医疗器械股份有限公司 | The microwave driving source with self-fixed amplitude technique of high energy accelerator for electron therapy |
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