CN104124922A - 3mm-waveband signal source and application thereof - Google Patents

3mm-waveband signal source and application thereof Download PDF

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Publication number
CN104124922A
CN104124922A CN201410373614.4A CN201410373614A CN104124922A CN 104124922 A CN104124922 A CN 104124922A CN 201410373614 A CN201410373614 A CN 201410373614A CN 104124922 A CN104124922 A CN 104124922A
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China
Prior art keywords
band
source
signal
frequency multiplier
wave
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CN201410373614.4A
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Chinese (zh)
Inventor
孙朋飞
吴亮
孙晓玮
丁金义
孙芸
钱蓉
佟瑞
王志高
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Shanghai Institute of Microsystem and Information Technology of CAS
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Shanghai Institute of Microsystem and Information Technology of CAS
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Priority to CN201410373614.4A priority Critical patent/CN104124922A/en
Publication of CN104124922A publication Critical patent/CN104124922A/en
Pending legal-status Critical Current

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Abstract

The invention provides a 3mm-waveband signal source and application thereof. The 3mm-waveband signal source at least comprises a voltage-controlled oscillator, a U-waveband frequency multiplier, a U-waveband low noise amplifier, a W-waveband frequency multiplier and a W-waveband low noise amplifier. The voltage-controlled oscillator is used for generating microwave signals. The U-waveband frequency multiplier is connected to the voltage-controlled oscillator and used for performing frequency multiplication on the microwave signals generated by the voltage-controlled oscillator. The U-waveband low noise amplifier is connected to the U-waveband frequency multiplier and used for amplifying output signals of the U-waveband frequency multiplier. The W-waveband frequency multiplier is connected to the U-waveband low noise amplifier and used for performing frequency amplification on output signals of the U-waveband low noise amplifier. The W-waveband low noise amplifier is connected to the W-waveband frequency multiplier and used for amplifying output signals of the W-waveband frequency multiplier. The 3mm-waveband signal source adopts a mature low-frequency oscillation source combined frequency multiplication mode, can obtain good performance, and is wide in tuning bandwidth, more compact in structure and lower in cost.

Description

3mm band signal source and application thereof
Technical field
The present invention relates to millimeter-wave technology field, particularly relate to a kind of 3mm band signal source and application thereof.
Background technology
Millimeter wave has good atmosphere through characteristic and abundant frequency spectrum resource, is significant and application prospect in fields such as communication, guidance, radar, clinical medicine.Wherein, 3mm wave band millimeter wave has shorter wavelength, less propagation attenuation, is the focus of millimetre-wave attenuator research.As the core of millimeter-wave systems, the performance of signal source (as power output, phase noise, tuning bandwidth etc.) is good and bad to be had a direct impact whole 3mm wave band millimeter wave system.
A lot of aspects, existing 3mm band signal source are difficult to meet application demand, and for example, the output tuning bandwidth of Gunn oscillation source is narrower, and the mode that need to combine by machinery modulation and electrical modulation exports 3mm wave band millimeter wave, and cost is very high; And adopt the 3mm band signal source performance index that directly form of additive method also poor, and direct generation high-frequency signal conventionally, narrow bandwidth, power are low, and cost is high, and structure is not compact, takes up room greatly.
Thus, need now a kind of 3mm band signal source with better performance badly.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of 3mm band signal source and application thereof, performance is good, and cost is low, be used for solving prior art 3mm band signal source poor-performing, cost is higher, cannot meet the problem of application demand.
For achieving the above object and other relevant objects, the invention provides a kind of 3mm band signal source, wherein, described 3mm band signal source at least comprises:
Voltage controlled oscillator, for generation of microwave signal;
U wave band frequency multiplier, is connected in described voltage controlled oscillator, carries out frequency multiplication for the microwave signal that described voltage controlled oscillator is produced;
U Band LNA, is connected in described U wave band frequency multiplier, for the output signal of described U wave band frequency multiplier is amplified;
W wave band frequency multiplier, is connected in described U Band LNA, for the output signal of described U Band LNA is carried out to frequency multiplication;
W Band LNA, is connected in described W wave band frequency multiplier, for the output signal of described W wave band frequency multiplier is amplified.
Preferably, described voltage controlled oscillator is low frequency voltage controlled oscillator, and the frequency range of the microwave signal of its generation is 20GHz~27.5GHz.
Preferably, described U wave band frequency multiplier and described W wave band frequency multiplier are varactor doubler.
Preferably, described 3mm band signal source also comprises: power module; Described power module at least comprises:
The first direct current source plate, be connected in described voltage controlled oscillator, described U wave band frequency multiplier and described U Band LNA, be used for to described voltage controlled oscillator, described U wave band frequency multiplier and described U Band LNA input direct-current voltage stabilizing supply power voltage, and to described voltage controlled oscillator input tuning voltage; Wherein, frequency and the power of the microwave signal that described voltage controlled oscillator produces are suitable for changing by changing described tuning voltage, thereby change the output signal in described 3mm band signal source;
The second direct current source plate, is connected in described W wave band frequency multiplier, W Band LNA, for to described W wave band frequency multiplier, W Band LNA input direct-current voltage stabilizing supply power voltage.
Preferably, described power module also comprises:
The first DC power supply terminal, is connected in described the first direct current source plate, for powering to described the first direct current source plate;
The second DC power supply terminal, is connected in described the second direct current source plate, for powering to described the second direct current source plate.
Preferably, described the first DC power supply terminal and described the second DC power supply terminal are feedthrough capacitor.
The present invention also provides the application in a kind of 3mm band signal as above source, and wherein, described 3mm band signal source is applied as the 3mm band emission source of transmitting 3mm wave band millimeter wave signal.
The present invention also provides the application in a kind of 3mm band signal as above source, and wherein, described 3mm band signal source is applied as the local oscillation signal source of the local oscillation signal that produces transmitter and receiver.
The present invention also provides the application in a kind of 3mm band signal as above source, and wherein, described 3mm band signal source is applied as Continuous Wave with frequency modulation source and the irradiation source of independent 3mm wave band millimeter wave.
As mentioned above, 3mm band signal source of the present invention and application thereof, have following beneficial effect:
3mm band signal of the present invention source, the microwave signal producing by voltage controlled oscillator, only need to produce the low frequency microwave signal of certain frequency scope, low frequency microwave signal is carried out to twice frequency multiplication and twice amplification, just can make 3mm band signal source output 3mm wave band millimeter wave, low frequency microwave signal is easily design realization not only, can also ensure higher power output and wider tuning bandwidth, greatly reduce cost, therefore, signal source can obtain good performance simultaneously.
3mm band signal of the present invention source, adopts ripe low-frequency oscillation source in conjunction with frequency multiplication mode, not only can obtain good performance, and tuning bandwidth is wider, and can make more compact structure, cost lower; For example adopt secondary frequency multiplication to add the quadruple mode of secondary frequency multiplication, can make the output frequency in required VCO source reduce to 1/4th of 3mm wave band millimeter wave frequency, be very beneficial for densification integrated and reduce costs.
3mm band signal of the present invention source, carries out gain compensation by the signal after each frequency multiplication by low noise amplifier, effective compensation the conversion loss of signal, ensured the high-output power in 3mm band signal source; And each device is all operated in wider frequency band range, can realize the 3mm wave band millimeter wave signal output in wider frequency range.
3mm band signal of the present invention source, can be integrated into two interconnective modular constructions by each composition device highly compact, and total is independent general, compact conformation is easy to use, has met the demand in 3mm wave band densification, low cost signal source.
3mm band signal of the present invention source, can be applied to multiple parts of millimeter-wave systems, both can be used as 3mm band emission source and used, the local oscillation signal source that can be used as again transmitter and receiver is used, and can also serve as independent Continuous Wave with frequency modulation source and irradiation source and use.
Brief description of the drawings
Fig. 1 is shown as the structural representation block diagram in the 3mm band signal source of the embodiment of the present invention.
Fig. 2 is shown as the structural representation block diagram in the 3mm band signal source of the embodiment of the present invention.
Fig. 3 is shown as the schematic perspective view of the modular construction in the 3mm band signal source of the embodiment of the present invention.
Fig. 4 is shown as the floor map of modular construction in the 3mm band signal source of the embodiment of the present invention.
Element numbers explanation
1 voltage controlled oscillator
2 U wave band frequency multipliers
3 U Band LNAs
4 W wave band frequency multipliers
5 W Band LNAs
6 power modules
61 first direct current source plates
62 second direct current source plates
63 first DC power supply terminals
64 second DC power supply terminals
100 first modular constructions
101 first housings
102 U band signal output ports
103 first retaining thread holes
104 connecting thread holes
105 first earthing rods
200 second modular constructions
201 second housings
202 U band signal input ports
203 3mm band signal output ports
204 second retaining thread holes
205 another ring flange interfaces
206 second earthing rods
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 1, embodiments of the invention relate to a kind of 3mm band signal source.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
The 3mm band signal source of the present embodiment at least comprises: voltage controlled oscillator 1, U wave band frequency multiplier 2, U Band LNA 3, W wave band frequency multiplier 4 and W Band LNA 5.Wherein:
For voltage controlled oscillator 1, it is for generation of microwave signal, and this microwave signal is as the input signal of U wave band frequency multiplier 2.In the present embodiment, voltage controlled oscillator 1 is low frequency voltage controlled oscillator 1, the frequency range of the microwave signal of its generation is 20GHz~27.5GHz, be that it can be created in the low frequency microwave signal in 20GHz~27.5GHz frequency range, with respect to needing directly to produce high-frequency millimeter-wave signal in prior art, the low frequency microwave signal of the present embodiment is easier to Design and implementation, cost is lower, and working band wider range of voltage controlled oscillator 1, can also ensure higher power output and wider tuning bandwidth simultaneously.
For U wave band frequency multiplier 2, it is connected in voltage controlled oscillator 1, carries out frequency multiplication for the microwave signal that voltage controlled oscillator 1 is produced.In the present embodiment, U wave band frequency multiplier 2 is varactor doubler, the frequency expansion of the microwave signal that voltage controlled oscillator 1 can be produced is twice, the output signal that is U wave band frequency multiplier 2 is U wave band millimeter wave signal, its frequency range is 40GHz~55GHz, and the output signal of this U wave band frequency multiplier 2 is as the input signal of U Band LNA 3.
For U Band LNA 3, it is connected in U wave band frequency multiplier 2, for the output signal of U wave band frequency multiplier 2 is amplified.U Band LNA 3 can compensate the conversion loss of the output signal of U wave band frequency multiplier 2, power by the output signal of U wave band frequency multiplier 2 amplifies, make microwave signal that voltage controlled oscillator 1 produces after U wave band frequency multiplier 2 and U Band LNA 3, there is the output signal of higher power output by 3 outputs of U Band LNA, as the input signal of W wave band frequency multiplier 4.This U wave band frequency multiplier 2 and U Band LNA 3 are all operated in wider frequency band range (40GHz~55GHz).
For W wave band frequency multiplier 4, it is connected in U Band LNA 3, for the output signal of U Band LNA 3 is carried out to frequency multiplication.In the present embodiment, W wave band frequency multiplier 4 is varactor doubler, the frequency of the output signal of U Band LNA 3 can be expanded and is twice, the output signal that is W wave band frequency multiplier 4 is W wave band millimeter wave signal, its frequency range is 80GHz~110GHz, and the output signal of this W wave band frequency multiplier 4 is as the input signal of W Band LNA 5.
For W Band LNA 5, it is connected in W wave band frequency multiplier 4, for the output signal of W wave band frequency multiplier 4 is amplified.W Band LNA 5 can compensate the conversion loss of the output signal of W wave band frequency multiplier 4, power by the output signal of W wave band frequency multiplier 4 amplifies, make the output signal of W wave band frequency multiplier 4 after W wave band frequency multiplier 4 and W Band LNA 5, there is the output signal of higher power output by 5 outputs of W Band LNA.This W wave band frequency multiplier 4 and W Band LNA 5 are all operated in wider frequency band range (80GHz~110GHz).The output signal of W Band LNA 5 is 3mm wave band millimeter wave signal.
The 3mm band signal source of the present embodiment, the microwave signal producing by voltage controlled oscillator 1, only need to produce the low frequency microwave signal of certain frequency scope, low frequency microwave signal is carried out to twice frequency multiplication and twice amplification, just can make 3mm band signal source output 3mm wave band millimeter wave, low frequency microwave signal is easily design realization not only, can also ensure higher power output and wider tuning bandwidth, greatly reduce cost, therefore, signal source can obtain good performance simultaneously.
It is worth mentioning that, adopt ripe low-frequency oscillation source in conjunction with frequency multiplication mode, not only can obtain good performance, tuning bandwidth is wider, and can make more compact structure, cost lower.For example, adopt secondary frequency multiplication to add the quadruple mode of secondary frequency multiplication, can make the output frequency in required VCO source reduce to 1/4th of 3mm wave band millimeter wave frequency, be very beneficial for densification integrated and reduce costs.Certainly, in other embodiment, the frequency range of the microwave signal that low frequency voltage controlled oscillator 1 produces can be less, only need to adjust U wave band frequency multiplier 2 and the W wave band frequency multiplier 4 of corresponding frequency multiplication number of times, just can export equally 3mm wave band millimeter wave signal.For example U wave band frequency multiplier 2 adopts frequency tripler, W wave band frequency multiplier 4 adopts varactor doubler, be equivalent to low frequency microwave signal to carry out frequency multiplication six times, the output frequency in required VCO source is only 1/6th of 3mm wave band millimeter wave frequency, and the frequency range of the microwave signal that low frequency voltage controlled oscillator 1 produces is only 13GHz~18GHz.
In addition, in the present embodiment, the signal after each frequency multiplication is carried out to gain compensation by low noise amplifier, effective compensation the conversion loss of signal, ensured the high-output power in 3mm band signal source; And each device is all operated in wider frequency band range, can realize the 3mm wave band millimeter wave signal output in wider frequency range.
It is pointed out that as shown in Figure 2, except five above-mentioned basic devices, the 3mm band signal source of the present embodiment also comprises: power module 6; Power module 6 at least comprises: the first direct current source plate 61 and the second direct current source plate 62.Wherein:
For the first direct current source plate 61, it is connected in voltage controlled oscillator 1, U wave band frequency multiplier 2 and U Band LNA 3, be used for to voltage controlled oscillator 1, U wave band frequency multiplier 2 and U Band LNA 3 input direct-current voltage stabilizing supply power voltages, and input tuning voltage to voltage controlled oscillator 1.Wherein, DC voltage-stabilizing supply power voltage can ensure the normal steady operation of voltage controlled oscillator 1, U wave band frequency multiplier 2 and U Band LNA 3.And the frequency of the microwave signal that voltage controlled oscillator 1 produces and power are suitable for changing by changing tuning voltage, after follow-up link, can change the output signal in 3mm band signal source.
For the second direct current source plate 62, it is connected in W wave band frequency multiplier 4, W Band LNA 5, for to W wave band frequency multiplier 4, W Band LNA 5 input direct-current voltage stabilizing supply power voltages.Wherein, DC voltage-stabilizing supply power voltage can ensure the normal steady operation of W wave band frequency multiplier 4 and W Band LNA 5.
In addition, power module 6 also comprises: the first DC power supply terminal 63 and the second DC power supply terminal 64.Wherein:
For the first DC power supply terminal 63, it is connected in the first direct current source plate 61, for powering to the first direct current source plate 61.
For the second DC power supply terminal 64, it is connected in the second direct current source plate 62, for powering to the second direct current source plate 62.
Preferably, the first DC power supply terminal 63 and the second DC power supply terminal 64 are feedthrough capacitor.Feedthrough capacitor can directly be connected on the metal covering of direct current source plate, and therefore its grounded inductor is less, almost there is no the impact of lead-in inductance; In addition, its input/output terminal is isolated by metal covering, has eliminated high-frequency coupling, has the filter effect that approaches ideal capacitance.
In the present embodiment, each composition device highly compact can be integrated into two interconnective modular constructions, thereby make total independent general, compact conformation, easy to use, meet the demand in 3mm wave band densification, low cost signal source.
Be respectively as shown in Figure 3 and Figure 4 schematic perspective view and the floor map of modular construction in the 3mm band signal source of the present embodiment.Wherein, voltage controlled oscillator 1, U wave band frequency multiplier 2, U Band LNA 3, the first direct current source plate 61 and the first DC power supply terminal 63 are integrated in the first modular construction 100, W wave band frequency multiplier 4, W Band LNA 5, the second direct current source plate 62 and the second DC power supply terminal 64 are integrated in the second modular construction 200.
For the first modular construction 100, it comprises: the first housing 101, be arranged on the U band signal output port 102 of the first housing 101 1 sides, be arranged on the first DC power supply terminal 63 outside the first housing 101, and be arranged on U wave band Waveguide-microbelt transition structure, voltage controlled oscillator 1, U wave band frequency multiplier 2, U Band LNA 3 and the first direct current source plate 61 in the first housing 101.
Wherein, because voltage controlled oscillator 1, U wave band frequency multiplier 2, U Band LNA 3 are all planar circuits, U wave band Waveguide-microbelt transition structure can be converted into planar circuit by microwave signal Waveguide interface, has realized the transition of microwave signal from waveguide to micro-band.U band signal output port 102, for exporting the output signal of U Band LNA 3.
In addition, the first modular construction 100 also comprises the first retaining thread hole 103, connecting thread hole and the ring flange interface that are arranged on the first housing 101, and wherein, ring flange interface and U band signal output port 102 are positioned at the same side of the first housing 101.In the present embodiment, can adopt the bolt suitable with the first retaining thread hole 103 by the fixing assembling of the first housing 101; The first modular construction 100 and the second modular construction 200 are carried out flange connection by ring flange interface.In other embodiment, connecting thread hole is used for connecting other devices, for the first modular construction is carried out to Function Extension.
For the second modular construction 200, it comprises: the second housing 201, be arranged on the U band signal input port 202 of the second housing 201 1 sides, be arranged on the 3mm band signal output port 203 relative with U band signal input port 202 of the second housing 201 opposite sides, be arranged on the second DC power supply terminal 64 outside the second housing 201, be arranged on 3mm wave band Waveguide-microbelt transition structure, W wave band frequency multiplier 4, W Band LNA 5 and the second direct current source plate 62 in the second housing 201.
Wherein, because W wave band frequency multiplier 4, W Band LNA 5 are all planar circuits, 3mm wave band Waveguide-microbelt transition structure can be converted into planar circuit by microwave signal Waveguide interface, has realized the transition of microwave signal from waveguide to micro-band.U band signal input port 202, for receiving the signal of exporting from U band signal output port 102.3mm band signal output port 203, for exporting 3mm wave band millimeter wave signal.
In addition, the second modular construction 200 also comprises the second retaining thread hole 204 and two the ring flange interfaces that are arranged on the second housing 201.One of them ring flange interface and U band signal input port 202 are positioned at the same side of the second housing 201, and the first modular construction 100 and the second modular construction 200 are carried out flange connection by this ring flange interface.Another ring flange interface 205 and 3mm band signal output port 203 are positioned at the same side of the second housing 201, in other embodiment, the second modular construction 200 can also connect other devices by this another ring flange interface 205, processes accordingly for the 3mm wave band millimeter wave signal that 3mm band signal output port 203 is exported.In the present embodiment, can adopt the bolt suitable with the second retaining thread hole 204 by the fixing assembling of the second housing 201.
In addition, the first housing 101 of the first modular construction 100 is provided with for the second housing 201 of the first earthing rod 105, the second modular constructions 200 of ground connection and is provided with the second earthing rod 206 for ground connection.
Another embodiment of the present invention relates to the application in the 3mm band signal source of an embodiment, 3mm band signal source can be applied as the 3mm band emission source of transmitting 3mm wave band millimeter wave signal, also the local oscillation signal source of the local oscillation signal that produces transmitter and receiver can be applied as, Continuous Wave with frequency modulation source and the irradiation source of independent 3mm wave band millimeter wave can also be applied as.
To sum up, 3mm band signal of the present invention source, the microwave signal producing by voltage controlled oscillator 1, only need to produce the low frequency microwave signal of certain frequency scope, and low frequency microwave signal is carried out to twice frequency multiplication and twice amplification, just can make 3mm band signal source output 3mm wave band millimeter wave, low frequency microwave signal is easily design realization not only, can also ensure higher power output and wider tuning bandwidth, greatly reduces cost simultaneously, therefore, signal source can obtain good performance.
3mm band signal of the present invention source, adopts ripe low-frequency oscillation source in conjunction with frequency multiplication mode, not only can obtain good performance, and tuning bandwidth is wider, and can make more compact structure, cost lower; For example adopt secondary frequency multiplication to add the quadruple mode of secondary frequency multiplication, can make the output frequency in required VCO source reduce to 1/4th of 3mm wave band millimeter wave frequency, be very beneficial for densification integrated and reduce costs.
3mm band signal of the present invention source, carries out gain compensation by the signal after each frequency multiplication by low noise amplifier, effective compensation the conversion loss of signal, ensured the high-output power in 3mm band signal source; And each device is all operated in wider frequency band range, can realize the 3mm wave band millimeter wave signal output in wider frequency range.
3mm band signal of the present invention source, can be integrated into two interconnective modular constructions by each composition device highly compact, and total is independent general, compact conformation is easy to use, has met the demand in 3mm wave band densification, low cost signal source.
3mm band signal of the present invention source, can be applied to multiple parts of millimeter-wave systems, both can be used as 3mm band emission source and used, the local oscillation signal source that can be used as again transmitter and receiver is used, and can also serve as independent Continuous Wave with frequency modulation source and irradiation source and use.
So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.

Claims (9)

1. a 3mm band signal source, is characterized in that, described 3mm band signal source at least comprises:
Voltage controlled oscillator, for generation of microwave signal;
U wave band frequency multiplier, is connected in described voltage controlled oscillator, carries out frequency multiplication for the microwave signal that described voltage controlled oscillator is produced;
U Band LNA, is connected in described U wave band frequency multiplier, for the output signal of described U wave band frequency multiplier is amplified;
W wave band frequency multiplier, is connected in described U Band LNA, for the output signal of described U Band LNA is carried out to frequency multiplication;
W Band LNA, is connected in described W wave band frequency multiplier, for the output signal of described W wave band frequency multiplier is amplified.
2. 3mm band signal according to claim 1 source, is characterized in that, described voltage controlled oscillator is low frequency voltage controlled oscillator, and the frequency range of the microwave signal of its generation is 20GHz~27.5GHz.
3. 3mm band signal according to claim 1 source, is characterized in that, described U wave band frequency multiplier and described W wave band frequency multiplier are varactor doubler.
4. 3mm band signal according to claim 1 source, is characterized in that, described 3mm band signal source also comprises: power module; Described power module at least comprises:
The first direct current source plate, be connected in described voltage controlled oscillator, described U wave band frequency multiplier and described U Band LNA, be used for to described voltage controlled oscillator, described U wave band frequency multiplier and described U Band LNA input direct-current voltage stabilizing supply power voltage, and to described voltage controlled oscillator input tuning voltage; Wherein, frequency and the power of the microwave signal that described voltage controlled oscillator produces are suitable for changing by changing described tuning voltage, thereby change the output signal in described 3mm band signal source;
The second direct current source plate, is connected in described W wave band frequency multiplier, W Band LNA, for to described W wave band frequency multiplier, W Band LNA input direct-current voltage stabilizing supply power voltage.
5. 3mm band signal according to claim 4 source, is characterized in that, described power module also comprises:
The first DC power supply terminal, is connected in described the first direct current source plate, for powering to described the first direct current source plate;
The second DC power supply terminal, is connected in described the second direct current source plate, for powering to described the second direct current source plate.
6. 3mm band signal according to claim 5 source, is characterized in that, described the first DC power supply terminal and described the second DC power supply terminal are feedthrough capacitor.
7. the application in the 3mm band signal source as described in claim 1-6 any one, is characterized in that, described 3mm band signal source is applied as the 3mm band emission source of transmitting 3mm wave band millimeter wave signal.
8. the application in the 3mm band signal source as described in claim 1-6 any one, is characterized in that, described 3mm band signal source is applied as the local oscillation signal source of the local oscillation signal that produces transmitter and receiver.
9. the application in the 3mm band signal source as described in claim 1-6 any one, is characterized in that, described 3mm band signal source is applied as Continuous Wave with frequency modulation source and the irradiation source of independent 3mm wave band millimeter wave.
CN201410373614.4A 2014-07-31 2014-07-31 3mm-waveband signal source and application thereof Pending CN104124922A (en)

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Application publication date: 20141029