CN110166048A - A kind of Novel ultra wide band Low phase noise frequency source - Google Patents
A kind of Novel ultra wide band Low phase noise frequency source Download PDFInfo
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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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
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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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/12—Indirect frequency synthesis using a mixer in the phase-locked loop
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- Radar, Positioning & Navigation (AREA)
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- Superheterodyne Receivers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
The invention discloses a kind of Novel ultra wide band Low phase noise frequency sources, it is related to technical field of micro communication, the frequency source realizes the low spurious performance of extra small stepping and narrowband with high-speed DDS technology, small stepping is generated with newest low noise PLL technology, Low phase noise, the low local oscillation signal of the frequency hopping of low spurious, the high local oscillation signal of Low phase noise is generated with low noise comb spectrum frequency doubling technology, it is spuious that broadband is effectively reduced with switch filtering technology, with the generation of numerical control frequency splitting technology polishing low-band signal, the frequency source uses Direct Digital Frequency Synthesizer Technology by flexible combination, PHASE-LOCKED LOOP PLL TECHNIQUE and DDS technology, it is final to realize super large bandwidth, extra small stepping, Low phase noise, low spurious, the technical goal of small size and low cost, so that the frequency source is suitable as a generalization module application to any one to the higher system of performance requirement In system.
Description
Technical field
The present invention relates to technical field of micro communication, are a kind of Novel ultra wide band Low phase noise frequency sources.
Background technique
Frequency source is the signal generating source of radar system, for providing local oscillation signal and transmitting pumping signal, quilt for radar
It is described as the heart of radar system.By years of researches and development, China has in frequency synthesis technique compared with quantum jump, but such as
What make the bandwidth of frequency source is more and more wider, size is smaller and smaller, index it is more and more outstanding be still frequency source research emphasis.
Summary of the invention
The present inventor regarding to the issue above and technical need, proposes a kind of Novel ultra wide band Low phase noise frequency source, the frequency
Rate source has the characteristics that ultra wide band, Low phase noise, low spurious, small stepping, small size and low cost, is suitable as a generalization mould
Block is applied to any one in the higher system of performance requirement.
Technical scheme is as follows:
A kind of Novel ultra wide band Low phase noise frequency source, the Novel ultra wide band Low phase noise frequency source include: that crystal oscillator produces
Raw reference signal is divided into two-way by the first power splitter function, is supplied to phaselocked loop, another way as the first parametric excitation all the way
It is supplied to the first low noise frequency-multiplication circuit and carries out frequency multiplication filtering, phaselocked loop generates frequency hopping low under the action of the first parametric excitation
Vibration signal is simultaneously connected to the first frequency mixer；The output signal of first low noise frequency-multiplication circuit is divided into two by the second power splitter function
Road is supplied to low noise comb spectrum frequency multiplier as the second parametric excitation all the way, another way is supplied to the second low noise frequency-multiplication electricity
Road carries out frequency multiplication filtering, and low noise comb spectrum frequency multiplier generates harmonic signal, harmonic signal under the action of the second parametric excitation
High local oscillation signal is generated by first switch filter group and is connected to the second frequency mixer, and the second low noise frequency-multiplication circuit is to process
The first filtered reference signal of low noise frequency-multiplication circuit frequency multiplication carries out the output signal that frequency multiplication filtering generates 3.6GHz again, the
The output signal of the 3.6GHz of two low noise frequency-multiplication circuits is divided into two-way by third power splitter function, all the way as third with reference to sharp
It encourages and is supplied to DDS, another way as frequency standard signal and is connected to third frequency mixer；
DDS generates intermediate-freuqncy signal under the action of the third parametric excitation of 3.6GHz and is connected to the first frequency mixer, and first
Frequency mixer by second switch filter group is connected to the second mixing after being mixed to intermediate-freuqncy signal and the low local oscillation signal of frequency hopping
Device, the signal and high local oscillation signal that the second frequency mixer exports second switch filter group are switched by third after being mixed and are filtered
Wave device group is input to the input terminal of the 4th switch filter group, the channel all the way of the 4th switch filter group pass straight through to output end,
Another paths are connected to third frequency mixer and are mixed with the frequency standard signal of 3.6GHz, and the output end of third frequency mixer is by the
Five switch filter groups are connected to the output end of the 4th switch filter group, and the output end of the 4th switch filter group connects numerical control
Frequency divider is exported.
Its further technical solution is that first switch filter group and second switch filter group are respectively that one-out-three is opened
Filter group is closed, third switch filter group, the 4th switch filter group and the 5th switch filter group are respectively that alternative is opened
Close filter group；The reference signal for the 100MHz that crystal oscillator generates, work of the phaselocked loop in the first parametric excitation of 100MHz
The low local oscillation signal of frequency hopping for being 20MHz with 2.1~3.1GHz of lower generation, stepping；First low noise frequency-multiplication circuit is to 100MHz's
The signal of 1.2GHz is generated after the filtering of reference signal frequency multiplication；Second parametric excitation of the low noise comb spectrum frequency multiplier in 1.2GHz
Effect is lower to be generated the harmonic signal of 1.2GHz and generates 10.8GHz, 12GHz and 13.2GHz after first switch filter group
High local oscillation signal；Second low noise frequency-multiplication circuit is to the signal for generating 3.6GHz after the signal frequency multiplication filtering of 1.2GHz；
The intermediate frequency that DDS generates 500 ± 10MHz under the action of the third parametric excitation of 3.6GHz, minimum step is Step
Signal, Step are less than 1Hz, and the first frequency mixer believes intermediate-freuqncy signal and 2.1~3.1GHz, the low local oscillator of frequency hopping that stepping is 20MHz
It number is mixed, the signal of the first frequency mixer output generates 2.4~3.6GHz after second switch filter group, minimum step is
The signal of Step；The signal and high local oscillation signal for 2.4~3.6GHz that second frequency mixer exports second switch filter group into
The signal for generating 13.2~16.8GHz through third switch filter group after row mixing is defeated by the 4th switch filter group, and the 4th opens
Close the straight-through signal for generating 13.2~16.8GHz in channel all the way of filter group, another paths be connected to third frequency mixer with
The frequency standard signal of 3.6GHz be mixed and generates 10~13.2GHz and 16.8~20GHz two by the 5th switch filter group
Road signal, the three road signals that the 4th switch filter group generates form the broadband signal of 10~20GHz and pass through numerical control frequency divider
Obtain 0.625~20GHz, the ultra-broadband signal that stepping is Step.
The method have the benefit that:
This application discloses a kind of Novel ultra wide band Low phase noise frequency source, which realizes super with high-speed DDS technology
The low spurious performance of small stepping and narrowband generates the jump of small stepping, Low phase noise, low spurious with newest low noise PLL technology
Frequently low local oscillation signal generates the high local oscillation signal of Low phase noise with low noise comb spectrum frequency doubling technology, with switch filtering technology
It is effectively reduced that broadband is spuious, with the generation of numerical control frequency splitting technology polishing low-band signal, which passes through flexible combination and transport
With Direct Digital Frequency Synthesizer Technology, PHASE-LOCKED LOOP PLL TECHNIQUE and DDS technology, the final super large bandwidth, extra small stepping, Low phase noise, low miscellaneous realized
Dissipate, the technical goal of small size and low cost so that the frequency source be suitable as a generalization module application to any one
To in the higher system of performance requirement.
Detailed description of the invention
Fig. 1 is the frequency synthesis schematic diagram of Novel ultra wide band Low phase noise frequency source disclosed in the present application.
Fig. 2 is a kind of frequency synthesis scheme that technical indicator is optimal of Novel ultra wide band Low phase noise frequency source disclosed in the present application
Figure.
Specific embodiment
The following further describes the specific embodiments of the present invention with reference to the drawings.
This application discloses a kind of Novel ultra wide band Low phase noise frequency sources, referring to FIG. 1, the Novel ultra wide band Low phase noise frequency
Rate source includes: that the reference signal of crystal oscillator generation is divided into two-way by the first power splitter function, all the way as first with reference to sharp
It encourages and is supplied to phaselocked loop (PLL), another way is supplied to the first low noise frequency-multiplication circuit and carries out frequency multiplication filtering.PLL is in the first reference
The low local oscillation signal of frequency hopping is generated under the action of excitation and is connected to the first frequency mixer V1.The output of first low noise frequency-multiplication circuit is believed
Number two-way is divided by the second power splitter function, is supplied to low noise comb spectrum frequency multiplier, another as the second parametric excitation all the way
Road is supplied to the second low noise frequency-multiplication circuit and carries out frequency multiplication filtering.Effect of the low noise comb spectrum frequency multiplier in the second parametric excitation
Lower generation harmonic signal, harmonic signal generate high local oscillation signal by first switch filter group and are connected to the second frequency mixer
V2.Second low noise frequency-multiplication circuit carries out frequency multiplication to by the first filtered reference signal of low noise frequency-multiplication circuit frequency multiplication again
Filtering generates the output signal of 3.6GHz, and the output signal for the 3.6GHz that the second low noise frequency-multiplication circuit generates passes through third function point
Device function is divided into two-way, is supplied to DDS (DDS), another way as frequency standard signal as third parametric excitation all the way and is connected to third
Frequency mixer V3.Wherein the first low noise frequency-multiplication circuit and the second low noise frequency-multiplication circuit can be respectively by frequency multipliers and filter structure
It builds.
DDS generates intermediate-freuqncy signal under the action of the third parametric excitation of 3.6GHz generates and is connected to the first frequency mixer
V1, the first frequency mixer V1 are mixed intermediate-freuqncy signal and the low local oscillation signal of frequency hopping.Signal after the first frequency mixer V1 mixing
The second frequency mixer V2, the second frequency mixer V2 is then attached to by second switch filter group to export second switch filter group
Signal and high local oscillation signal be mixed.Signal after two frequency mixer V2 mixing is input to by third switch filter group
The channel all the way of the input terminal of 4th switch filter group, the 4th switch filter group passes straight through to the 4th switch filter group
Output end, another paths are connected to third frequency mixer V3, are carried out the frequency standard signal of itself and 3.6GHz by third frequency mixer V3
Mixing.Signal after the mixing of third frequency mixer is connected to the defeated of the 4th switch filter group after the 5th switch filter group
Outlet.The output end connection numerical control frequency divider of 4th switch filter group is exported.
The application realizes the extra small stepping less than 1Hz and the low spurious performance of narrowband with newest high-speed DDS technology, uses
Newest low noise PLL technology generate small stepping, Low phase noise, low spurious the low local oscillation signal of frequency hopping, with low noise comb spectrum
Frequency doubling technology generates the high local oscillation signal of Low phase noise, and it is spuious to be effectively reduced broadband with switch filtering technology, divides with numerical control
The generation of technology polishing low-band signal, it is final to realize ultra wide band frequency covering, therefore the frequency source of the application may be implemented to surpass
Broadband, Low phase noise, low spurious, small stepping, small size and low cost are highly suitable as a generalization module application to arbitrarily
One in the higher system of performance requirement.Meanwhile the application also to frequency synthesis scheme involved in the frequency source into
It has gone the well-designed performance for making entire frequency source and index is optimal effect, can finally realize that 0.625~20GHz's is super
Wideband frequency covering, specifically, please referring to Fig. 2:
First switch filter group and second switch filter group are three elections switch filter group, respectively include inputting
Single-pole three-throw switch, three path filters and output single-pole three-throw switch, input the fixing end of single-pole three-throw switch as one-out-three
The input terminal of switch filter group exports output end of the fixing end of single-pole three-throw switch as three elections switch filter group,
Three movable ends, the output end that the input terminal of three path filters is separately connected input single-pole three-throw switch are separately connected output hilted broadsword
Three movable ends of three throw switches form three road filtering channels.Third switch filter group and the 5th switch filter group are two
A switch filter group is selected, it is single to respectively include input single-pole double-throw switch (SPDT), two-way filter and output single-pole double-throw switch (SPDT), input
Input terminal of the fixing end of double-pole double throw switch as either-or switch filter group exports the fixing end conduct of single-pole double-throw switch (SPDT)
The output end of three elections switch filter group, the input terminal of two-way filter, which is separately connected, includes two that input single-pole double-throw switch (SPDT)
Two movable ends that movable end, output end are separately connected output single-pole double-throw switch (SPDT) form two-way filtering access.4th switch filter
Wave device group is also either-or switch filter group, including input single-pole double-throw switch (SPDT) and output single-pole double-throw switch (SPDT), inputs hilted broadsword
Input terminal of the fixing end of commutator as the 4th switch filter group exports the fixing end of single-pole double-throw switch (SPDT) as the 4th
The output end of switch filter group inputs an activity of the movable end and output single-pole double-throw switch (SPDT) of single-pole double-throw switch (SPDT)
End is connected directly to form channel straight-through all the way, since the signal in the channel is without mixing, so not needing to set on the channel
Filter is set, another movable end for inputting single-pole double-throw switch (SPDT) is connected to third frequency mixer V3, and third frequency mixer V3 is connected to
The input terminal of 5th switch filter group, the output end of the 5th switch filter group are connected to the another of output single-pole double-throw switch (SPDT)
A movable end forms another way mixing and filtering channel.
Crystal oscillator generates the reference signal of 100M, and the reference signal of 100M is made all the way after the first power splitter function point
The first low noise frequency-multiplication circuit is given to PLL, another way for the first parametric excitation.Effect of the PLL in the first parametric excitation of 100M
2.1~3.1GHz of lower generation, the low local oscillation signal of frequency hopping that stepping is 20MHz give the first frequency mixer V1.First low noise frequency-multiplication electricity
Road carries out the signal of generation 1.2GHz after frequency multiplication filtering to the signal of 100M, and the signal of 1.2GGHz is by the second power splitter function point
The second low noise frequency-multiplication circuit is given to low noise comb spectrum frequency multiplier, another way as the second parametric excitation all the way afterwards.Low noise
Comb spectrum frequency multiplier generates the harmonic signal of 1.2GHz under the action of the second parametric excitation of 1.2GHz and by one-out-three
The high local oscillation signal of 10.8GHz, 12GHz and 13.2GHz are generated after first switch filter group to the second frequency mixer V2.Second is low
Noise frequency multiplier circuit carries out the signal of generation 3.6GHz after frequency multiplication filtering to the signal of 1.2GHz, and the signal of 3.6GHz passes through third
Third frequency mixer V3 is given as frequency standard signal to DDS, another way as third parametric excitation all the way after power splitter function point.
DDS generates 500 ± 10MHz under the action of the third parametric excitation of 3.6GHz generates, minimum step is Step's
Intermediate-freuqncy signal, Step < 1Hz, according to practical calculating, minimum step Step is about 0.84Hz.First frequency mixer V1 to 500 ±
The intermediate-freuqncy signal of 10MHz and the low local oscillation signal of the frequency hopping of 2.1~3.1GHz are mixed, the signal after mixing through one-out-three
2.4~3.6GHz is generated after two switch filter groups, the signal that minimum step is Step.Second frequency mixer V2 filters second switch
The high local oscillation signal of 2.4~3.6GHz and 10.8GHz, 12GHz and 13.2GHz that wave device group exports are mixed, after mixing
The signal that signal generates 13.2~16.8GHz after the third switch filter group of alternative is defeated by the 4th switch filter group.
The straight-through signal for generating 13.2~16.8GHz in the channel all the way of 4th switch filter group of alternative, another paths connection
It is mixed to third frequency mixer V3 with the frequency standard signal of 3.6GHz, the signal after mixing passes through the 5th switch filtering of alternative
Device group generates 10~13.2GHz and 16.8~20GHz two paths of signals.Common group of the three road signal that 4th switch filter group generates
Close the broadband signal for forming 10~20GHz.The broadband signal of last 10~20GHz passes through numerical control frequency divider (N=1/2/3/4/8/
16) 0.625~20GHz is obtained, the ultra-broadband signal that stepping is Step.
Each section parameter occurred in said frequencies synthetic schemes is all that applicant determines after well-designed and debugging,
And each section parameter is that matchings match each other and by above-mentioned parameters can make the bandwidth of frequency source, mutually make an uproar, be spuious
All reach preferably state, and can be near minimum by the filter quantity in frequency source, so that the size of frequency source reduces to
Minimum, while cost also minimizes.There are following several key points in above-mentioned parameter design:
A) the smallest frequency stepping must be realized, by DDS to guarantee the spuious optimized design in narrowband, DDS signal band
It is wide unsuitable wide, it is advisable with 20MHz.
B) the low local oscillation signal of frequency hopping that stepping is 20MHz is generated by PLL, can significantly simplify circuit save the cost and reduces ruler
It is very little, but due to the limitation that PLL itself mutually makes an uproar, it selects HMC703 to be used as and is opened for phase discriminator using 20MHz as phase demodulation frequency
Integer HiK mode is opened, is computed and verifies, 3.1GHz phase, which is made an uproar, can achieve -110dBc/Hz, and the higher phase of frequency makes an uproar poorer (height),
Therefore the frequency of the low local oscillation signal of frequency hopping should not be higher.
C) to want spuious excellent, the calculating of the intermodulation component of frequency mixer precisely will avoid low order components from falling into passband as far as possible, therefore
The frequency of the low local oscillation signal of frequency hopping should not be lowered to 1.9GHz, fall in band to avoid 2.8GHz (2LO-2IF).
D) ultrabroad band that generate 0.625~20GHz only needs first to produce in fact due to there is the presence of numerical control frequency divider
Raw 10~20GHz.
E) to the quantity of the filter in reduction frequency source, space and cost are saved, it is necessary to mixing be made full use of to generate
And frequency (LO+IF) and difference frequency (LO-IF).Due to the total 10GHz bandwidth of 10~20GHz, in addition there is this frequency standard signal of 3.6GHz
Presence, therefore only need first to generate 13.2~16.8GHz of intermediate bands, such circuit can be significantly simplified.
Frequency source can be made to be finally reached following technical indicator by the matching between above-mentioned parameters:
Above-described is only the preferred embodiment of the application, and present invention is not limited to the above embodiments.It is appreciated that this
The other improvements and change that field technical staff directly exports or associates without departing from the spirit and concept in the present invention
Change, is considered as being included within protection scope of the present invention.
Claims (2)
1. a kind of Novel ultra wide band Low phase noise frequency source, which is characterized in that the Novel ultra wide band Low phase noise frequency source includes: crystalline substance
The reference signal that oscillation body device generates is divided into two-way by the first power splitter function, is supplied to locking phase as the first parametric excitation all the way
Ring, another way are supplied to the first low noise frequency-multiplication circuit and carry out frequency multiplication filtering, and the phaselocked loop is in first parametric excitation
Effect is lower to be generated the low local oscillation signal of frequency hopping and is connected to the first frequency mixer；The output signal of the first low noise frequency-multiplication circuit is logical
It crosses the second power splitter function and is divided into two-way, all the way as the second parametric excitation is supplied to low noise comb spectrum frequency multiplier, another way mentions
It supplies the second low noise frequency-multiplication circuit and carries out frequency multiplication filtering, the low noise comb spectrum frequency multiplier is in second parametric excitation
Effect is lower to generate harmonic signal, and the harmonic signal generates high local oscillation signal by first switch filter group and is connected to second
Frequency mixer, the second low noise frequency-multiplication circuit is to by the filtered reference signal of the first low noise frequency-multiplication circuit frequency multiplication
The output signal that frequency multiplication filtering generates 3.6GHz, the output signal of the 3.6GHz of the second low noise frequency-multiplication circuit are carried out again
It is divided into two-way by third power splitter function, is supplied to DDS, another way as frequency standard signal as third parametric excitation all the way and connects
To third frequency mixer；
The DDS generates intermediate-freuqncy signal under the action of the third parametric excitation of 3.6GHz and is connected to first mixing
Device, first frequency mixer filter after being mixed to the intermediate-freuqncy signal and the low local oscillation signal of the frequency hopping by second switch
Device group is connected to second frequency mixer, signal that second frequency mixer exports the second switch filter group and described
High local oscillation signal is input to the input terminal of the 4th switch filter group by third switch filter group after being mixed, and described
The channel all the way of four switch filter groups passes straight through to output end, another paths are connected to the third frequency mixer and 3.6GHz
The frequency standard signal is mixed, and the output end of the third frequency mixer is connected to the described 4th by the 5th switch filter group
The output end connection numerical control frequency divider of the output end of switch filter group, the 4th switch filter group is exported.
2. Novel ultra wide band Low phase noise frequency source according to claim 1, which is characterized in that the first switch filter
Group and second switch filter group are respectively three elections switch filter group, the third switch filter group, the 4th switch filter
Wave device group and the 5th switch filter group are respectively either-or switch filter group；The 100MHz's that the crystal oscillator generates
Reference signal, the phaselocked loop generates 2.1~3.1GHz under the action of first parametric excitation of 100MHz, stepping is
The low local oscillation signal of the frequency hopping of 20MHz；After the first low noise frequency-multiplication circuit is to the reference signal frequency multiplication filtering of 100MHz
Generate the signal of 1.2GHz；The low noise comb spectrum frequency multiplier generates under the action of second parametric excitation of 1.2GHz
The harmonic signal of 1.2GHz and the height that 10.8GHz, 12GHz and 13.2GHz are generated after the first switch filter group
Local oscillation signal；The second low noise frequency-multiplication circuit is to the signal for generating 3.6GHz after the signal frequency multiplication filtering of 1.2GHz；
The DDS generates 500 ± 10MHz under the action of the third parametric excitation of 3.6GHz, minimum step is Step's
The intermediate-freuqncy signal, Step < 1Hz, first frequency mixer is to the intermediate-freuqncy signal and 2.1~3.1GHz, stepping 20MHz
The low local oscillation signal of the frequency hopping be mixed, the signal of first frequency mixer output is after the second switch filter group
Generate 2.4~3.6GHz, the signal that minimum step is Step；Second frequency mixer exports the second switch filter group
2.4~3.6GHz signal and the high local oscillation signal be mixed after through the third switch filter group generate 13.2~
The signal of 16.8GHz is defeated by the 4th switch filter group, and the channel all the way of the 4th switch filter group is straight-through to be generated
The signal of 13.2~16.8GHz, another paths are connected to the third frequency mixer and the frequency standard signal of 3.6GHz carries out
It is mixed and passes through the 5th switch filter group and generate 10~13.2GHz and 16.8~20GHz two paths of signals, the described 4th opens
The three road signals that filter group generates are closed to form the broadband signal of 10~20GHz and obtain 0.625 by the numerical control frequency divider
~20GHz, the ultra-broadband signal that stepping is Step.
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Cited By (8)
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| CN112087230A (en) * | 2020-09-17 | 2020-12-15 | 中国科学院空天信息创新研究院 | Broadband linear frequency modulation signal generating device and method |
| CN113452410A (en) * | 2020-03-25 | 2021-09-28 | 北京振兴计量测试研究所 | Frequency hopping broadband channel frequency synthesizer and frequency synthesis method |
| CN113541687A (en) * | 2021-08-20 | 2021-10-22 | 成都西蒙电子技术有限公司 | Low-phase-noise narrow-band frequency synthesizer |
| CN114070308A (en) * | 2022-01-17 | 2022-02-18 | 中国电子科技集团公司第二十九研究所 | Broadband low-phase noise frequency synthesis circuit |
| CN114553221A (en) * | 2022-02-25 | 2022-05-27 | 重庆西南集成电路设计有限责任公司 | Frequency source and method for generating the same |
| CN114944865A (en) * | 2022-05-16 | 2022-08-26 | 河北东森电子科技有限公司 | Design and application method of ultra-wideband Ka-band satellite radio frequency unit |
| CN116155275A (en) * | 2023-04-19 | 2023-05-23 | 成都世源频控技术股份有限公司 | Broadband fine stepping phase-locked source with repeatable phase |
| CN116318130A (en) * | 2023-05-22 | 2023-06-23 | 英诺微(成都)电子有限公司 | High dynamic high linearity source circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080284525A1 (en) * | 2007-05-15 | 2008-11-20 | Teledyne Technologies Incorporated | Noise canceling technique for frequency synthesizer |
| US20130342277A1 (en) * | 2011-01-12 | 2013-12-26 | Rohde & Schwarz Gmbh & Co. Kg | High-Frequency Signal Generator with Low Phase Noise |
| CN105553469A (en) * | 2015-12-11 | 2016-05-04 | 北京无线电计量测试研究所 | Low-phase noise frequency source |
| CN205232198U (en) * | 2015-12-16 | 2016-05-11 | 贵州航天计量测试技术研究所 | Mistake proofing lock high performance broadband microwave frequency synthesizer |
| CN210041797U (en) * | 2019-07-01 | 2020-02-07 | 无锡华测电子系统有限公司 | Novel ultra-wideband low-phase-noise frequency source |
-
2019
- 2019-07-01 CN CN201910585046.7A patent/CN110166048B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080284525A1 (en) * | 2007-05-15 | 2008-11-20 | Teledyne Technologies Incorporated | Noise canceling technique for frequency synthesizer |
| US20130342277A1 (en) * | 2011-01-12 | 2013-12-26 | Rohde & Schwarz Gmbh & Co. Kg | High-Frequency Signal Generator with Low Phase Noise |
| CN105553469A (en) * | 2015-12-11 | 2016-05-04 | 北京无线电计量测试研究所 | Low-phase noise frequency source |
| CN205232198U (en) * | 2015-12-16 | 2016-05-11 | 贵州航天计量测试技术研究所 | Mistake proofing lock high performance broadband microwave frequency synthesizer |
| CN210041797U (en) * | 2019-07-01 | 2020-02-07 | 无锡华测电子系统有限公司 | Novel ultra-wideband low-phase-noise frequency source |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452410A (en) * | 2020-03-25 | 2021-09-28 | 北京振兴计量测试研究所 | Frequency hopping broadband channel frequency synthesizer and frequency synthesis method |
| CN113452410B (en) * | 2020-03-25 | 2022-06-14 | 北京振兴计量测试研究所 | Frequency hopping broadband channel frequency synthesizer and frequency synthesis method |
| CN112087230A (en) * | 2020-09-17 | 2020-12-15 | 中国科学院空天信息创新研究院 | Broadband linear frequency modulation signal generating device and method |
| CN113541687A (en) * | 2021-08-20 | 2021-10-22 | 成都西蒙电子技术有限公司 | Low-phase-noise narrow-band frequency synthesizer |
| CN114070308A (en) * | 2022-01-17 | 2022-02-18 | 中国电子科技集团公司第二十九研究所 | Broadband low-phase noise frequency synthesis circuit |
| CN114553221A (en) * | 2022-02-25 | 2022-05-27 | 重庆西南集成电路设计有限责任公司 | Frequency source and method for generating the same |
| CN114944865A (en) * | 2022-05-16 | 2022-08-26 | 河北东森电子科技有限公司 | Design and application method of ultra-wideband Ka-band satellite radio frequency unit |
| CN116155275A (en) * | 2023-04-19 | 2023-05-23 | 成都世源频控技术股份有限公司 | Broadband fine stepping phase-locked source with repeatable phase |
| CN116318130A (en) * | 2023-05-22 | 2023-06-23 | 英诺微(成都)电子有限公司 | High dynamic high linearity source circuit |
| CN116318130B (en) * | 2023-05-22 | 2023-08-04 | 英诺微(成都)电子有限公司 | High dynamic high linearity source circuit |
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