CN101064509A - Full phase parameter millimeter wave frequency synthesis method and synthesizer - Google Patents
Full phase parameter millimeter wave frequency synthesis method and synthesizer Download PDFInfo
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- CN101064509A CN101064509A CN 200710048902 CN200710048902A CN101064509A CN 101064509 A CN101064509 A CN 101064509A CN 200710048902 CN200710048902 CN 200710048902 CN 200710048902 A CN200710048902 A CN 200710048902A CN 101064509 A CN101064509 A CN 101064509A
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Abstract
The invention discloses a coherent millimeter wave frequency synthesizing method, it uses mixing and mixing phase lock loop to transfer and lock the frequency and phase, so the different frequency coherent is realized; The main band-pass filter which is connected between the main mixing and multiplex power distributor II or main mixing and millimeter wave auxiliary output fixed division ratio mixing phase lock frequency synthesizing circuit can interdict crossfire between the main/ auxiliary and auxiliary/ auxiliary output signals, high degree separation can be realized. Coherent millimeter wave frequency synthesizer used in said method includes multiplex power distributor I, a millimeter wave main output phase lock frequency synthesizing circuit, the first frequency doubler or phase lock frequency multiply circuit, main mixing, main band-pass filter, multiplex power distributor II and n millimeter wave auxiliary output fixed division ratio mixing phase lock frequency synthesizing circuit.
Description
Technical field
The invention belongs to frequency synthesis and millimeter wave field, particularly a kind of full phase parameter millimeter wave frequency combining method and synthesizer.
Background technology
Frequency combining method is meant the linear operation of the fiducial reference source that one or more frequency stabilities and accuracy is very high by frequency domain, generation has the method for a large amount of discrete frequency signals of same stability and accuracy, realizes that the circuit of frequency synthesis is called frequency synthesizer.The key technical indexes of frequency synthesizer is required to have usually: reference frequency output, minimum frequency stepping (being also referred to as frequency interval), spectral purity (comprise phase noise and phase place is spuious), frequency switching time (also claiming frequency conversion time, frequency hopping time).Because technical highly difficult and more and more high to its requirement, frequency synthesis technique is one of key technology difficult point of hyundai electronics (communication) system all the time.
Therefore the operating frequency of millimeter wave has both advantages concurrently between microwave and light, major advantage has: (1) and microwave ratio, and wavelength is short, thereby equipment volume is little, and is in light weight; Wave beam is narrow, the resolving power height; Doppler frequency shift is big, helps surveying slower-velocity target; Bandwidth is wide, easily adopts the burst pulse modulation, and information capacity is big.(2) with the infrared laser ratio, at transmission window and cigarette, dirt environment, millimeter wave decay much smaller, can think to have round-the-clock characteristic, absworption peak can be used for secure communication.
Traditional direct frequency synthesis technique is carried out the geometry arithmetic with signal frequency, though can guarantee the full coherent characteristic of system, when main output signal and secondary output signal frequency difference hour, spuious being difficult to of frequency conversion suppresses, and can't satisfy insulated degree requirement.There is very big contradiction in traditional monolock phase loop between frequency resolution and frequency hopping speed, cause the design complexity.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of full phase parameter millimeter wave frequency combining method and synthesizer are provided, with full coherent and the requirement of high-isolation characteristic of satisfying main output signal and secondary output signal.
Full phase parameter millimeter wave frequency combining method of the present invention, its synthesis step is as follows:
(1) a millimeter wave master is exported the main output signal power that the frequency of phase locking combiner circuit produces and be assigned as two-way, the one tunnel as millimeter wave master output signal, and another road is as first mixed frequency signal;
(2) signal frequency multiplication with fiducial reference source produces the first mixing reference signal different with described main output signal frequency;
(3) first mixed frequency signal and the first mixing reference signal are carried out obtaining the second mixing reference signal after mixing and the filtering, the second mixing reference signal directly is assigned as the multichannel mixed frequency signal as mixed frequency signal or power;
(4) the secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of n millimeter wave of design, when n=1, the second mixing reference signal is directly as the secondary fixedly outer mixed frequency signal of frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of millimeter wave, when n 〉=2 and when being positive integer, the secondary output of each millimeter wave fixedly outer mixed frequency signal of frequency dividing ratio mixing frequency of phase locking combiner circuit is that the second mixing reference signal power is distributed corresponding one road mixed frequency signal that forms, and the secondary output of each millimeter wave fixedly output of frequency dividing ratio mixing frequency of phase locking combiner circuit is and the secondary output signal of the full coherent of millimeter wave master output signal alien frequencies;
Above-mentioned millimeter wave master exports frequency of phase locking combiner circuit, the secondary output of a n the millimeter wave fixedly pll reference signal and the first mixing reference signal homology of frequency dividing ratio mixing frequency of phase locking combiner circuit, and the frequency difference of millimeter wave master output signal and each secondary output signal is by the fixedly frequency dividing ratio decision of frequency dividing ratio mixing frequency of phase locking combiner circuit of the secondary output of millimeter wave.
In the said method, the generation of the first mixing reference signal adopts the mode with the direct frequency multiplication of reference source signal to realize, or adopts the mode with fiducial reference source signal phase locking frequency multiplying to realize.
The employed synthesizer of full phase parameter millimeter wave frequency combining method of the present invention such as Fig. 1, shown in Figure 3 comprise that multipath power distributor I, a millimeter wave master export frequency of phase locking combiner circuit, first frequency multiplier or phase locking frequency multiplying circuit, main frequency mixer, master tape bandpass filter, multipath power distributor II and n the secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of millimeter wave; The signal that power divider I produces fiducial reference source carries out power division and sends the millimeter wave master to exporting frequency of phase locking combiner circuit, first frequency multiplier or phase locking frequency multiplying circuit and the secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of each millimeter wave; The millimeter wave master exports the frequency of phase locking combiner circuit signal that receives is handled the main output signal of generation, described main output signal power is assigned as two-way, one the tunnel carry out the millimeter wave frequency multiplication after, as millimeter wave master output signal, another road is as first mixed frequency signal; First frequency multiplier carries out frequency multiplication with the signal that receives, generate the first mixing reference signal different with main output signal frequency, or the phase locking frequency multiplying circuit carries out phase-locked and frequency multiplication with the signal that receives, and generates the first mixing reference signal different with main output signal frequency; The millimeter wave master is exported first mixed frequency signal of frequency of phase locking combiner circuit output with main frequency mixer and the first mixing reference signal of first frequency multiplier or the output of phase locking frequency multiplying circuit is carried out mixing and given the master tape bandpass filter with the signal conveys after the mixing; The master tape bandpass filter carries out filtering with the mixed frequency signal that receives and produces the second mixing reference signal, and sends multipath power distributor II to; The second mixing reference signal that multipath power distributor II will receive is assigned as n road mixed frequency signal, and sends n road mixed frequency signal to the secondary output of each millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit respectively; The secondary output of each millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit with the mixed frequency signal of multipath power distributor II input be used as encircle the internal reference mixed frequency signal and carry out mixing after, and to signal from multipath power distributor I fixedly frequency dividing ratio is phase-locked, then, carry out the millimeter wave frequency multiplication, the output signal after the frequency multiplication is and the secondary output signal of the full coherent of millimeter wave master output signal alien frequencies; Said n 〉=2 and be positive integer.
The employed synthesizer of full phase parameter millimeter wave frequency combining method of the present invention, fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of the secondary output of 1 millimeter wave can also only be set, as Fig. 2, shown in Figure 4, the full phase parameter millimeter wave frequency synthesizer of this kind structure comprises that power divider I, a millimeter wave master export frequency of phase locking combiner circuit, first frequency multiplier or phase locking frequency multiplying circuit, main frequency mixer, master tape bandpass filter and 1 secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of millimeter wave; The signal that multipath power distributor I produces fiducial reference source carries out power division and sends the millimeter wave master to exporting frequency of phase locking combiner circuit, first frequency multiplier or phase locking frequency multiplying circuit and the secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of millimeter wave; The millimeter wave master exports the frequency of phase locking combiner circuit signal that receives is handled the main output signal of generation, described main output signal power is assigned as two-way, one the tunnel carry out the millimeter wave frequency multiplication after, as millimeter wave master output signal, another road is as first mixed frequency signal; First frequency multiplier carries out frequency multiplication with the signal that receives, generate the first mixing reference signal different with main output signal frequency, or the phase locking frequency multiplying circuit carries out phase-locked and frequency multiplication with the signal that receives, and generates the first mixing reference signal different with main output signal frequency; The millimeter wave master is exported first mixed frequency signal of frequency of phase locking combiner circuit output with main frequency mixer and the first mixing reference signal of first frequency multiplier or the output of phase locking frequency multiplying circuit is carried out mixing and given the master tape bandpass filter with the signal conveys after the mixing; The master tape bandpass filter carries out filtering with the mixed frequency signal that receives and produces the second mixing reference signal, and sends this signal to the secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit; The secondary output of millimeter wave fixedly the frequency dividing ratio mixing frequency of phase locking combiner circuit second mixing reference signal that will receive be used as encircle the internal reference mixed frequency signal and carry out mixing after, and to the signal of power divider I input fixedly frequency dividing ratio is phase-locked, then, carry out the millimeter wave frequency multiplication, the signal of exporting after the frequency multiplication is and the secondary output signal of the full coherent of millimeter wave master output signal alien frequencies.
In the above-mentioned full phase parameter millimeter wave frequency synthesizer, the electric principle that its millimeter wave master exports the frequency of phase locking combiner circuit comprises frequency multiplier I, three-way power divider I, Direct Digital Frequency Synthesizers, frequency mixer I, pre-divider, main mixing phase-locked loop, millimeter wave frequency multiplier II, frequency multiplier III as shown in Figure 5; Frequency multiplier I carries out the reference source signal that receives frequency multiplication and sends into three-way power divider I, three-way power divider I is three the tunnel with the signal allocation that receives, one the tunnel after Direct Digital Frequency Synthesizers is handled as the mixed frequency signal of frequency mixer I, one tunnel mixing reference signal as frequency mixer I, one the tunnel sends into main mixing phase-locked loop after frequency multiplier III frequency multiplication, main mixing phase-locked loop is assigned as two-way with the main output signal of the phase-locked generation of the signal mixing that receives and with described main output signal power, one the tunnel after millimeter wave frequency multiplier II frequency multiplication as millimeter wave master output signal, another road is as first mixed frequency signal.
In the above-mentioned full phase parameter millimeter wave frequency synthesizer, the secondary output of its millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit electric principle as shown in Figure 6, comprise secondary mixing phase-locked loop, millimeter wave frequency multiplier; Secondary mixing phase-locked loop carries out mixing with a reference source reference signal that receives and the second mixing reference signal and sends the millimeter wave frequency multiplier to after phase-locked, as the fixing output signal of frequency dividing ratio mixing frequency of phase locking combiner circuit of the secondary output of millimeter wave, described output signal is the full coherent pair of the millimeter wave output signal with millimeter wave master output signal alien frequencies after millimeter wave frequency multiplier frequency multiplication.
When the secondary output of millimeter wave when fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit has multichannel, the generation of every road signal all can be adopted above-mentioned same circuits structure and flow process.
The present invention has following beneficial effect:
1, because the method for the invention and synthesizer utilize mixing and fixedly phase-locked synthesizing of frequency dividing ratio mixing transmits main output signal frequency and phase place and lock, because fixedly the phase-locked synthetic frequency dividing ratio of frequency dividing ratio mixing immobilizes, the phase shift in the relative datum of its locking back loop source own also remains unchanged, so the secondary output signal of millimeter wave can be transmitted well and be locked on the millimeter wave master output signal, thereby realized the full coherent of alien frequencies of millimeter wave master output signal and the secondary output signal of each millimeter wave.
Though 2, participate in the mixed frequency signal homology, but frequency difference is bigger, and because the frequency of the second mixing reference signal can accomplish to differ bigger with main output signal frequency and secondary output signal frequency, therefore, be connected between main frequency mixer and the multipath power distributor II or be connected main frequency mixer and the secondary output of millimeter wave fixedly the master tape bandpass filter between the frequency dividing ratio mixing frequency of phase locking combiner circuit can block crosstalking between master/pair and the pair/secondary output signal effectively, thereby the realization high-isolation.
3, the many rings hybrid designs simplification that is adopted circuit, guaranteed the secondary output signal frequency difference of millimeter wave master output signal and each millimeter wave phase difference constant, obtained low full coherent signal of making an uproar mutually.
Description of drawings
Fig. 1 is first kind of structured flowchart of full phase parameter millimeter wave frequency synthesizer of the present invention;
Fig. 2 is second kind of structured flowchart of full phase parameter millimeter wave frequency synthesizer of the present invention;
Fig. 3 is the third structured flowchart of full phase parameter millimeter wave frequency synthesizer of the present invention;
Fig. 4 is the 4th a kind of structured flowchart of full phase parameter millimeter wave frequency synthesizer of the present invention;
Fig. 5 is a kind of electrical schematic diagram that the millimeter wave master exports the frequency of phase locking combiner circuit;
Fig. 6 is fixedly a kind of electrical schematic diagram of frequency dividing ratio mixing frequency of phase locking combiner circuit of the secondary output of millimeter wave;
Fig. 7 is a kind of electrical schematic diagram of Fig. 2;
Fig. 8 is a kind of electrical schematic diagram of Fig. 3.
Among the figure, 1: fiducial reference source crystal oscillator, 2: multipath power distributor I, 3: the millimeter wave master exports frequency of phase locking combiner circuit, 4: main frequency mixer, 5: the secondary output of millimeter wave is frequency dividing ratio mixing frequency of phase locking combiner circuit, 6 fixedly: multipath power distributor II, 7: the first frequency multipliers, 8: phase locking frequency multiplying circuit, 9: master tape bandpass filter, 10: two-way power divider I;
3-1: frequency multiplier I, 3-2: three-way power divider I, 3-3: Direct Digital Frequency Synthesizers, 3-4: frequency mixer I, 3-5: pre-divider, 3-6: main mixing phase-locked loop, 3-7: millimeter wave frequency multiplier II, 3-8: frequency multiplier III;
3-6-1: variable division is than integrated phase lock chip, 3-6-2: loop filter I, 3-6-3: voltage-controlled oscillator I, 3-6-4: three-way power divider II, 3-6-5: frequency mixer II;
3-8-1:4 times of frequency multiplier, 3-8-2:8 times frequency multiplier;
5-n-1: secondary mixing phase-locked loop, 5-n-2: millimeter wave frequency multiplier III;
5-1 (2)-1-1: fixing frequency dividing ratio integrated phase lock chip I, 5-1 (2)-1-2: voltage-controlled oscillator II, 5-1 (2)-1-3: two-way power divider II, 5-1 (2)-1-4: frequency mixer III, 5-1 (2)-1-5: loop filter II;
8-1: fixedly frequency dividing ratio integrated phase lock chip I I, 8-2: loop filter III, 8-3: voltage-controlled oscillator III, 8-4: two-way power divider III.
Embodiment
Below in conjunction with accompanying drawing full phase parameter millimeter wave frequency combining method of the present invention and synthesizer are described further.
Present embodiment is a kind of two-way alien frequencies full phase parameter millimeter wave frequency synthesizer, and its electrical schematic diagram is shown in Figure 7, adopts this kind frequency synthesizer, can realize the full coherent and high isolation of the two-way alien frequencies signal of telecommunication.
The described two-way alien frequencies of present embodiment full phase parameter millimeter wave frequency synthesizer comprises that fiducial reference source crystal oscillator 1, multipath power distributor I 2, millimeter wave master export fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 of frequency of phase locking combiner circuit 3, two-way power divider I 10, main frequency mixer 4, master tape bandpass filter 9 and secondary output of millimeter wave.
The millimeter wave master exports frequency of phase locking combiner circuit 3 and comprises 5 times of frequency multiplier I 3-1, three-way power divider I 3-2, Direct Digital Frequency Synthesizers 3-3, frequency mixer I 3-4, pre-divider 3-5, main mixing phase-locked loop 3-6,4 times of millimeter wave frequency multiplier II 3-7, frequency multiplier III 3-8.Main mixing phase-locked loop 3-6 comprises that variable division is than integrated phase lock chip 3-6-1, loop filter I 3-6-2, voltage-controlled oscillator I 3-6-3, three-way power divider II 3-6-4, frequency mixer II 3-6-5.Frequency multiplier III 3-8 is made up of 4 times of frequency multiplier 3-8-1,8 times of frequency multiplier 3-8-2.Above-mentioned 5 times of frequency multiplier I 3-1 and 4 times of frequency multiplier 3-8-1 have the function of first frequency multiplier 7 again concurrently, to simplify circuit, save electronic device.
The secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 comprises secondary mixing phase-locked loop 5-1-1, millimeter wave frequency multiplier III 5-1-2.Secondary mixing phase-locked loop 5-1-1 comprises fixedly frequency dividing ratio integrated phase lock chip 5-1-1-1, voltage-controlled oscillator II 5-1-1-2, two-way power divider II 5-1-1-3, frequency mixer III 5-1-1-4, loop filter II 5-1-1-5; Millimeter wave frequency multiplier III 5-1-2 is 4 times of frequency multipliers.
The workflow of above-mentioned each circuit and device is as follows:
The frequency of the signal of telecommunication that crystal oscillator 1 produces is 60MHz, the signal that power divider I 2 produces fiducial reference source crystal oscillator 1 carry out power division and send to the millimeter wave master export frequency of phase locking combiner circuit 3 and the secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 as the reference signal;
The frequency multiplier I 3-1 that the millimeter wave master exports in the frequency of phase locking combiner circuit 3 carries out the signal that receives 5 frequencys multiplication and sends into three-way power divider I 3-2, three-way power divider I is three the tunnel with the signal allocation that receives, one the tunnel after Direct Digital Frequency Synthesizers 3-3 handles as the mixed frequency signal of frequency mixer I 3-4, one tunnel mixing reference signal as frequency mixer I 3-4, one the tunnel is assigned as the two-way mixed frequency signal by two-way power divider I 10 after 4 times of frequency multiplier 3-8-14 times frequencys multiplication, wherein one road mixed frequency signal is as the first mixing reference signal, another road mixed frequency signal after 8 times of frequency multiplier 3-8-28 times frequencys multiplication as the mixing reference signal of frequency mixer II 3-6-5; The signal that frequency mixer I 3-4 produces is sent into variable division than integrated phase lock chip 3-6-1 after pre-divider 3-5 handles, the fractional frequency signal phase demodulation of mixer output signal behind variable division with frequency mixer II 3-6-5, reflect out and differ, again through loop filter I 3-6-2 filtering and be converted to the phase potential difference, control voltage-controlled oscillator I 3-6-3, thus finish phase-locked; The output of voltage-controlled oscillator I 3-6-3 is divided into three road signals through three-way power divider II 3-6-4, one the road feeds back to the mixed frequency signal of phase-locked loop as frequency mixer II 3-6-5, one the tunnel gives 3-74 times of frequency multiplication of millimeter wave frequency multiplier II as millimeter wave master output signal, one tunnel first mixed frequency signal as main frequency mixer 4;
The secondary output of the millimeter wave fixedly integrated phase lock chip 5-1-1-1 in the frequency dividing ratio mixing frequency of phase locking combiner circuit will be ÷ 4 fixedly behind the frequency division from the reference signal of power divider I 2, with do the fixedly mixed frequency signal phase demodulation of frequency division of ÷ 81 from frequency mixer III 5-1-1-4, reflect out and differ, again through loop filter II 5-1-1-5 filtering and be converted to the phase potential difference, control voltage-controlled oscillator II 5-1-1-2, thus finish phase-locked; The output of voltage-controlled oscillator II 5-1-1-2 is divided into two-way through two-way power divider II 5-1-1-3, one tunnel interior mixed frequency signal as frequency mixer III 5-1-1-4, one the tunnel after III5-1-24 times of frequency multiplication of millimeter wave frequency multiplier as the output signal of this circuit, described output signal is the secondary output signal of the full coherent of millimeter wave with millimeter wave master output signal alien frequencies.Millimeter wave master output signal frequency be 35GHz ± 400MHz, the secondary output signal frequency of millimeter wave is 35.06GHz ± 400MHz, millimeter wave master output signal is 90dBc with the isolation of millimeter wave pair output signal.
Present embodiment is a kind of three road alien frequencies full phase parameter millimeter wave frequency synthesizers, and its electrical schematic diagram is shown in Figure 8, adopts this kind frequency synthesizer, can realize the full coherent and high isolation of three road alien frequencies signals of telecommunication.
Described three road alien frequencies full phase parameter millimeter wave frequency synthesizers of present embodiment comprise that fiducial reference source crystal oscillator 1, multipath power distributor I 2, millimeter wave master export frequency of phase locking combiner circuit 3, main frequency mixer 4, phaselocking frequency multiplier 8, master tape bandpass filter 9, multipath power distributor II 6 and two secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 and 5-2.The millimeter wave master exports the secondary output of frequency of phase locking combiner circuit 3 and millimeter wave, and fixedly the structure of frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 and 5-2 is identical with embodiment 1.Difference from Example 1 is:
1, the generation of the first mixing reference signal adopts the mode with fiducial reference source signal phase locking frequency multiplying to realize, promptly power divider I 2 signal that fiducial reference source crystal oscillator 1 is produced carries out power division and transmits one the tunnel and handle for phase locking frequency multiplying circuit 8 to produce the first mixing reference signal.Phase locking frequency multiplying circuit 8 comprises fixedly frequency dividing ratio integrated phase lock chip I I 8-1, loop filter III 8-2, voltage-controlled oscillator III 8-3, two-way power divider III 8-4.
2, the second mixing reference signal of master tape bandpass filter 9 outputs is assigned as the two-way mixed frequency signal through multipath power distributor II 6, and sends the two-way mixed frequency signal to the secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 and 5-2 respectively.
In the present embodiment, the frequency of the signal of telecommunication that crystal oscillator 1 produces is 60MHz; The secondary output of the millimeter wave fixedly integrated phase lock chip 5-1-1-1 among the frequency dividing ratio mixing frequency of phase locking combiner circuit 5-1 will be ÷ 4 fixedly behind the frequency division from the reference signal of power divider I 2, with do the fixedly mixed frequency signal phase demodulation of frequency division of ÷ 81 from frequency mixer III5-1-1-4, reflect out and differ, again through loop filter II 5-1-1-5 filtering and be converted to the phase potential difference, control voltage-controlled oscillator II 5-1-1-2, thus finish phase-locked; The secondary output of the millimeter wave fixedly integrated phase lock chip 5-2-1-1 among the frequency dividing ratio mixing frequency of phase locking combiner circuit 5-2 will be ÷ 4 fixedly behind the frequency division from the reference signal of power divider I 2, with do the fixedly mixed frequency signal phase demodulation of frequency division of ÷ 79 from frequency mixer III 5-2-1-4, reflect out and differ, again through loop filter II 5-2-1-5 filtering and be converted to the phase potential difference, control voltage-controlled oscillator II 5-2-1-2, thus finish phase-locked.
Electronic devices and components among the foregoing description 1 and the embodiment 2 all can be bought from market.
The invention is not restricted to the foregoing description, can carry out the physical circuit design as required.
Full phase parameter millimeter wave frequency combining method of the present invention and synthesizer can be applicable to high full coherent (as radar, the communicate by letter etc.) system that isolates of various millimeter wave broadbands.
Claims (7)
1, a kind of full phase parameter millimeter wave frequency combining method is characterized in that synthesis step is as follows:
(1) a millimeter wave master is exported the main output signal power that the frequency of phase locking combiner circuit produces and be assigned as two-way, the one tunnel as millimeter wave master output signal, and another road is as first mixed frequency signal;
(2) signal frequency multiplication with fiducial reference source produces the first mixing reference signal different with described main output signal frequency;
(3) first mixed frequency signal and the first mixing reference signal are carried out obtaining the second mixing reference signal after mixing and the filtering, the second mixing reference signal directly is assigned as the multichannel mixed frequency signal as mixed frequency signal or power;
(4) the secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of n millimeter wave of design, when n=1, the second mixing reference signal is directly as the secondary fixedly outer mixed frequency signal of frequency dividing ratio mixing frequency of phase locking combiner circuit of exporting of millimeter wave, when n 〉=2 and when being positive integer, the secondary output of each millimeter wave fixedly outer mixed frequency signal of frequency dividing ratio mixing frequency of phase locking combiner circuit is that the second mixing reference signal power is distributed corresponding one road mixed frequency signal that forms, and the secondary output of each millimeter wave fixedly output of frequency dividing ratio mixing frequency of phase locking combiner circuit is and the secondary output signal of the full coherent of millimeter wave master output signal alien frequencies;
Above-mentioned millimeter wave master exports frequency of phase locking combiner circuit, the secondary output of a n the millimeter wave fixedly pll reference signal and the first mixing reference signal homology of frequency dividing ratio mixing frequency of phase locking combiner circuit, and the frequency difference of millimeter wave master output signal and each secondary output signal is by the fixedly frequency dividing ratio decision of frequency dividing ratio mixing frequency of phase locking combiner circuit of the secondary output of millimeter wave.
2, full phase parameter millimeter wave frequency combining method according to claim 1, the generation that it is characterized in that the first mixing reference signal adopts the mode with the direct frequency multiplication of reference source signal to realize, or adopts the mode with fiducial reference source signal phase locking frequency multiplying to realize.
3, a kind of full phase parameter millimeter wave frequency synthesizer comprises that multipath power distributor I (2), millimeter wave master export fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5-1～5-n) of frequency of phase locking combiner circuit (3), first frequency multiplier (7) or phase locking frequency multiplying circuit (8), main frequency mixer (4), master tape bandpass filter (9), multipath power distributor II (6) and n secondary output of millimeter wave;
The signal that power divider I (2) produces fiducial reference source carries out power division and sends the millimeter wave master to exporting fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5-1～5-n) of frequency of phase locking combiner circuit (3), first frequency multiplier (7) or phase locking frequency multiplying circuit (8) and the secondary output of each millimeter wave;
The millimeter wave master exports frequency of phase locking combiner circuit (3) signal that receives is handled the main output signal of generation, described main output signal power is assigned as two-way, one the tunnel carry out the millimeter wave frequency multiplication after, as millimeter wave master output signal, another road is as first mixed frequency signal;
First frequency multiplier (7) carries out frequency multiplication with the signal that receives, generate the first mixing reference signal different with main output signal frequency, or phase locking frequency multiplying circuit (8) carries out phase-locked and frequency multiplication with the signal that receives, and generates the first mixing reference signal different with main output signal frequency;
The millimeter wave master is exported first mixed frequency signal of frequency of phase locking combiner circuit output with main frequency mixer (4) and the first mixing reference signal of first frequency multiplier (7) or phase locking frequency multiplying circuit (8) output is carried out mixing and given master tape bandpass filter (9) with the signal conveys after the mixing;
Master tape bandpass filter (9) carries out filtering with the mixed frequency signal that receives and produces the second mixing reference signal, and sends multipath power distributor II (6) to;
The second mixing reference signal that multipath power distributor II (6) will receive is assigned as n road mixed frequency signal, and sends n road mixed frequency signal to the secondary output of each millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5-1～5-n) respectively;
The secondary output of each millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5-1～5-n) with the mixed frequency signal of multipath power distributor II (6) input be used as encircle the internal reference mixed frequency signal and carry out mixing after, and to signal from multipath power distributor I (2) fixedly frequency dividing ratio is phase-locked, then, carry out the millimeter wave frequency multiplication, the output signal after the frequency multiplication is and the secondary output signal of the full coherent of millimeter wave master output signal alien frequencies;
Said n 〉=2 and be positive integer.
4, a kind of full phase parameter millimeter wave frequency synthesizer comprises that multipath power distributor I (2), a millimeter wave master export frequency of phase locking combiner circuit (3), first frequency multiplier (7) or phase locking frequency multiplying circuit (8), main frequency mixer (4), master tape bandpass filter (9) and 1 secondary fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5) of exporting of millimeter wave;
The signal that multipath power distributor I (2) produces fiducial reference source carries out power division and sends the millimeter wave master to exporting fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5-1～5-n) of frequency of phase locking combiner circuit (3), first frequency multiplier (7) or phase locking frequency multiplying circuit (8) and the secondary output of millimeter wave;
The millimeter wave master exports frequency of phase locking combiner circuit (3) signal that receives is handled the main output signal of generation, described main output signal power is assigned as two-way, one the tunnel carry out the millimeter wave frequency multiplication after, as millimeter wave master output signal, another road is as first mixed frequency signal;
First frequency multiplier (7) carries out frequency multiplication with the signal that receives, generate the first mixing reference signal different with main output signal frequency, or phase locking frequency multiplying circuit (8) carries out phase-locked and frequency multiplication with the signal that receives, and generates the first mixing reference signal different with main output signal frequency;
The millimeter wave master is exported first mixed frequency signal of frequency of phase locking combiner circuit (3) output with main frequency mixer (4) and the first mixing reference signal of first frequency multiplier (7) or phase locking frequency multiplying circuit (8) output is carried out mixing and given master tape bandpass filter (9) with the signal conveys after the mixing;
Master tape bandpass filter (9) carries out filtering with the mixed frequency signal that receives and produces the second mixing reference signal, and sends this signal to the secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5);
The secondary output of millimeter wave fixedly frequency dividing ratio mixing frequency of phase locking combiner circuit (5) the second mixing reference signal that will receive be used as encircle the internal reference mixed frequency signal and carry out mixing after, and to the signal of multipath power distributor I (2) input fixedly frequency dividing ratio is phase-locked, then, carry out the millimeter wave frequency multiplication, the output signal after the frequency multiplication is and the secondary output signal of the full coherent of millimeter wave master output signal alien frequencies.
5,, it is characterized in that the millimeter wave master exports frequency of phase locking combiner circuit (3) and comprises frequency multiplier I (3-1), three-way power divider I (3-2), Direct Digital Frequency Synthesizers (3-3), frequency mixer I (3-4), pre-divider (3-5), main mixing phase-locked loop (3-6), millimeter wave frequency multiplier II (3-7), frequency multiplier III (3-8) according to claim 3 or 4 described full phase parameter millimeter wave frequency synthesizers;
Frequency multiplier I (3-1) carries out the reference source signal that receives frequency multiplication and sends into three-way power divider I (3-2), three-way power divider I is three the tunnel with the signal allocation that receives, one the tunnel after Direct Digital Frequency Synthesizers (3-3) is handled as the mixed frequency signal of frequency mixer I (3-4), one tunnel mixing reference signal as frequency mixer I (3-4), one the tunnel sends into main mixing phase-locked loop (3-6) after frequency multiplier III (3-8) frequency multiplication, main mixing phase-locked loop (3-6) is assigned as two-way with the main output signal of the phase-locked generation of the signal mixing that receives and with described main output signal power, one the tunnel after millimeter wave frequency multiplier II (3-7) frequency multiplication as millimeter wave master output signal, another road is as first mixed frequency signal.
6, according to claim 3 or 4 described full phase parameter millimeter wave frequency synthesizers, frequency dividing ratio mixing frequency of phase locking combiner circuit (5-n) comprises secondary mixing phase-locked loop (5-n-1), millimeter wave frequency multiplier (5-n-2) to it is characterized in that exporting the millimeter wave pair fixedly;
Secondary mixing phase-locked loop (5-n-1) carries out mixing with a reference source reference signal that receives and the second mixing reference signal and sends millimeter wave frequency multiplier (5-n-2) to after phase-locked, as the fixing output signal of frequency dividing ratio mixing frequency of phase locking combiner circuit (5-n) of the secondary output of millimeter wave, described output signal is the full coherent pair of the millimeter wave output signal with millimeter wave master output signal alien frequencies after millimeter wave frequency multiplier (5-n-2) frequency multiplication.
7, full phase parameter millimeter wave frequency synthesizer according to claim 5, frequency dividing ratio mixing frequency of phase locking combiner circuit (5-n) comprises secondary mixing phase-locked loop (5-n-1), millimeter wave frequency multiplier (5-n-2) to it is characterized in that exporting the millimeter wave pair fixedly;
Secondary mixing phase-locked loop (5-n-1) carries out mixing with a reference source reference signal that receives and the second mixing reference signal and sends millimeter wave frequency multiplier (5-n-2) to after phase-locked, as the fixing output signal of frequency dividing ratio mixing frequency of phase locking combiner circuit (5-n) of the secondary output of millimeter wave, described output signal is the full coherent pair of the millimeter wave output signal with millimeter wave master output signal alien frequencies after millimeter wave frequency multiplier (5-n-2) frequency multiplication.
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| CN102480281A (en) * | 2010-11-30 | 2012-05-30 | 中国科学院微电子研究所 | Millimeter wave frequency source device |
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