CN109768835A - Two waveband microwave signal generating device - Google Patents
Two waveband microwave signal generating device Download PDFInfo
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- CN109768835A CN109768835A CN201711052881.1A CN201711052881A CN109768835A CN 109768835 A CN109768835 A CN 109768835A CN 201711052881 A CN201711052881 A CN 201711052881A CN 109768835 A CN109768835 A CN 109768835A
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Abstract
The present invention provides a kind of two waveband microwave signal generating devices, the two waveband microwave signal generating device includes first band phase locked source, first band fixed ampllitude unit, first band numerical-control attenuator, first band modulator, second band electrically controlled attenuator, second band power control module, output port and real-time controlling unit, first band fixed ampllitude unit is connect with first band phase locked source, first band numerical-control attenuator is connect with first band fixed ampllitude unit, first band modulator is connect with first band numerical-control attenuator, second band power control module is connect with second band electrically controlled attenuator, real-time controlling unit is connect with first band modulator or second band power control module for control output end mouthful to export first band microwave signal or second band microwave signal.It applies the technical scheme of the present invention, the technical issues of price to solve microwave signal generator in the prior art is high, response speed is slow and output power low precision.
Description
Technical field
The present invention relates to testing radio technical field more particularly to a kind of two waveband microwave signal generating devices.
Background technique
In testing radio, driving source is essential test equipment, and driving source is generally used signal generator,
Signal generator mainly generates specific frequency, the microwave signal of certain power as a kind of signal generation apparatus.General microwave
Signal generator, general bandwidth is bigger, Power Dynamic Range is wide, is provided simultaneously with various modulation functions, and still, price generally compares
Costly.For specific test scene, most function can be wasted using general signal generator, cause resource unrestrained
Take.Meanwhile the signal response speed of existing signal generator is relatively slow, and output power precision is poor.
Summary of the invention
The present invention provides a kind of two waveband microwave signal generating device, it is able to solve microwave signal generation in the prior art
The technical issues of price of device is high, response speed is slow and output power low precision.
The present invention provides a kind of two waveband microwave signal generating device, two waveband microwave signal generating device includes:
One wave band phase locked source, first band phase locked source are used to generate the constant-amplitude signal of first band;First band fixed ampllitude unit, first wave
Section fixed ampllitude unit is connect with first band phase locked source, and first band fixed ampllitude unit is for guaranteeing that each Frequency point of constant-amplitude signal is defeated
The stability of power out;First band numerical-control attenuator, first band numerical-control attenuator are connect with first band fixed ampllitude unit, the
One wave band numerical-control attenuator is used to adjust the signal power size of the constant-amplitude signal after fixed ampllitude;First band modulator, first wave
Section modulator is connect with first band numerical-control attenuator, and first band modulator is used to carry out pulse to the constant-amplitude signal after decaying
Modulation;Second band electrically controlled attenuator, second band electrically controlled attenuator are used to adjust the signal power of second band input signal
Size;Second band power control module, second band power control module are connect with second band electrically controlled attenuator, the second wave
Section power control module is used to amplify the signal power of the second band input signal after decaying;Output port, output port choosing
It is connect with first band modulator or second band power control module to selecting property;Real-time controlling unit, real-time controlling unit are used
It connect in control output end mouthful with first band modulator or second band power control module to export first band microwave letter
Number or second band microwave signal.
Further, two waveband microwave signal generating device further includes microwave switch, and real-time controlling unit is opened by microwave
It closes and is connect with control output end mouthful with first band modulator or second band power control module.
Further, real-time controlling unit includes main control module, key module and display module, and key module is for receiving
The external key command microwave band to be output with determination, main control module is for control output end mouthful and first band modulator
Or the connection of second band power control module, display module is for showing first band microwave signal and second band microwave signal
Parameter information.
Further, second band power control module includes being sequentially connected the power amplifier, power splitter and function connect
Rate detection unit, power amplifier are used to amplify the signal power of the second band input signal after decaying, and power splitter is used for will
Amplified signal is divided into two-way, and two paths of signals is exported respectively to power detecting unit and output port, real-time control list
Member is according to the difference of power detecting unit performance number detected and the preset value in second band power control module with real-time
Adjust the evanescent voltage of second band electrically controlled attenuator.
Further, two waveband microwave signal generating device further includes power supply unit, power supply unit respectively with first band
Phase locked source, first band fixed ampllitude unit, first band numerical-control attenuator, first band modulator, second band electrically controlled attenuator,
Second band power control module is connected with real-time controlling unit.
Further, power supply unit includes power module and power distribution board, and power distribution board is used for power module
The voltage signal that input voltage signal and needs export is filtered transformation, and carries out power distribution.
Further, two waveband microwave signal generating device further includes cabinet, first band phase locked source, first band fixed ampllitude
Unit, first band numerical-control attenuator, first band modulator, second band electrically controlled attenuator, second band power control mould
Block, power supply unit and real-time controlling unit are respectively positioned in cabinet.
Further, output port is arranged on cabinet, and cabinet also has second band input port, second band input
Signal enters second band electrically controlled attenuator by second band input port.
Further, output port and second band input port include SMA-K radio-frequency joint, BNC type joint or N-type
Connector.
Further, first band phase locked source is S-band phase locked source, and first band fixed ampllitude unit is S-band fixed ampllitude unit,
First band numerical-control attenuator is S-band numerical-control attenuator, and first band modulator is S-band modulator, second band power
Control module is X-band power control module, and second band electrically controlled attenuator is X-band electrically controlled attenuator.
It applies the technical scheme of the present invention, can actively generate the microwave signal of first band, and can be wanted according to control
It asks, realizes the impulse modulation function to signal.Furthermore two waveband microwave signal generating device of the invention can be realized to second
The signal of wave band carries out power amplification, and after externally input radiofrequency signal is carried out power amplification, information is completely played back, and meets
Specific radar test.Meanwhile two waveband microwave signal generating device of the invention use real-time control system, can in real time,
The signal of set frequency and power is accurately generated, so that radar test is more convenient, there is fast response time, output power
Precision is high, cheap advantage.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below
Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
Fig. 1 shows the structural representation of the two waveband microwave signal generating device provided according to a particular embodiment of the invention
Figure.
Wherein, the above drawings include the following reference numerals:
10, first band phase locked source;20, first band fixed ampllitude unit;30, first band numerical-control attenuator;40, first wave
Section modulator;50, second band electrically controlled attenuator;60, second band power control module;70, output port;71, first is defeated
Exit port;72, second output terminal mouth;80, real-time controlling unit;81, main control module;82, key module;83, display module;
90, microwave switch;100, power supply unit;110, cabinet;111, the second input port.
Specific embodiment
Specific embodiments of the present invention are described in detail below in conjunction with attached drawing.In the following description, for solution
Purpose and not restrictive is released, elaborates detail, to help to be apparent from the present invention.However, to those skilled in the art
It is readily apparent that the present invention can also be practiced in the other embodiments departing from these details for member.
It should be noted that only showing in the accompanying drawings in order to avoid having obscured the present invention because of unnecessary details
Gone out with closely related device structure and/or processing step according to the solution of the present invention, and be omitted with relationship of the present invention not
Big other details.
As shown in Figure 1, providing a kind of two waveband microwave signal generating device, this pair according to a particular embodiment of the invention
Band microwave signal generation apparatus includes first band phase locked source 10, first band fixed ampllitude unit 20, first band numerical control attenuation
Device 30, first band modulator 40, second band electrically controlled attenuator 50, second band power control module 60, output port 70
With real-time controlling unit 80, wherein first band phase locked source 10 is used to generate the constant-amplitude signal of first band, first band fixed ampllitude
Unit 20 is connect with first band phase locked source 10, and first band fixed ampllitude unit 20 is for guaranteeing that each Frequency point of constant-amplitude signal is defeated
The stability of power out, first band numerical-control attenuator 30 are connect with first band fixed ampllitude unit 20, first band numerical control attenuation
Device 30 is used to adjust the signal power size of the constant-amplitude signal after fixed ampllitude, first band modulator 40 and first band numerical control attenuation
Device 30 connects, and first band modulator 40 is used to carry out the constant-amplitude signal after decaying impulse modulation, the decaying of second band electricity tune
Device 50 is used to adjust the signal power size of second band input signal, second band power control module 60 and second band electricity
Controlled attenuator 50 connects, and second band power control module 60 is used to amplify the signal function of the second band input signal after decaying
Rate, output port 70 are selectively connect with first band modulator 40 or second band power control module 60, real-time control
Unit 80 is connect for control output end mouthful 70 with first band modulator 40 or second band power control module 60 to export
First band microwave signal or second band microwave signal.
Using such configuration mode, two waveband microwave signal generating device of the invention can actively generate first band
Microwave signal, and can be required according to control, realize the impulse modulation function to signal.Furthermore two waveband microwave of the invention
Signal generation apparatus, which can be realized, carries out power amplification to the signal of second band, and externally input radiofrequency signal is carried out power
After amplification, information is completely played back, and meets specific radar test.Meanwhile two waveband microwave signal generating device of the invention
Using real-time control system, the signal of set frequency and power can in real time, be accurately generated, so that radar test is more just
Victory has fast response time, and output power precision is high, cheap advantage.
As a specific embodiment of the invention, first band phase locked source 10 can be set to S-band phase locked source, first
Wave band fixed ampllitude unit 20 is set as S-band fixed ampllitude unit, and first band numerical-control attenuator 30 is set as S-band numerical-control attenuator,
First band modulator 40 is set as S-band modulator, and second band power control module 60 is set as X-band power control mould
Block, second band electrically controlled attenuator 50 are set as X-band electrically controlled attenuator, using such configuration mode, can generate S, X double wave
The microwave signal of section, S-band can actively generate the S-band microwave signal of bandwidth 400MHz, and can be required according to control, real
Now to the impulse modulation function of signal.X-band only carries out power amplification to the given input signal in outside, can satisfy specific
Radar test.
Further, in the present invention, in order to realize output port 70 selectively with first band modulator 40 or the
Two band power control modules 60 are connected to export first band microwave signal or second band microwave signal, can be micro- by two waveband
Wave signal generation apparatus is configured to further include microwave switch 90, and real-time controlling unit 80 is by microwave switch 90 with control output end
Mouth 70 is connect with first band modulator 40 or second band power control module 60.
As a specific embodiment of the invention, output port 70 can be configured to include the first output port 71 and
Two output ports 72, microwave switch 90 are composed in series by two single-pole double-throw switch (SPDT)s, wherein first single-pole double-throw switch (SPDT) receives
The second band signal of first band signal or second band power control module 60 from first band modulator 40, and will
The signal received is transferred to second single-pole double-throw switch (SPDT), and the output of second single-pole double-throw switch (SPDT) is connected to the first output end
Mouth 71 and second output terminal mouth 72.As a specific embodiment of the invention, when the selection of real-time controlling unit 80 output first
When band signal, at this point, first single-pole double-throw switch (SPDT) is connected with first band modulator 40, first single-pole double-throw switch (SPDT)
Receive the signal from first band modulator 40, the second single-pole double-throw switch (SPDT) is connected with the first output port 71, first wave
The signal that section modulator 40 exports is exported by the first output port 71.
It further, in the present invention, can be by real-time control list in order to realize the output to the microwave signal of specific band
Member 80 is configured to include main control module 81, key module 82 and display module 83, and key module 82 is used to receive external key
The microwave band to be output with determination is instructed, main control module 81 is for control output end mouthful 70 and first band modulator 40 or the
The connection of two band power control modules 60, display module 83 is for showing first band microwave signal and second band microwave signal
Parameter information.
Using such configuration mode, when carrying out the output of microwave signal, first by operation button module 82, with determination
Wave band and output channel to be operated.Then, if current band is first band, real-time controlling unit 80 is according to key mould
The input parameter of block 82 determines the output frequency, power and modulation parameter of first band, while control instruction is sent to
One wave band phase locked source 10, first band numerical-control attenuator 30, first band modulator 40 and microwave switch 90;If current band
For second band, real-time controlling unit 80 only needs for control instruction to be sent to microwave switch 90.Specifically, first band microwave
The parameter information of signal includes the information such as frequency, power, pulse modulation frequency, the pulse width of S-band, second band microwave letter
Number parameter information include the information such as modulating frequency and the pulsewidth of second band.
It further, in the present invention, can be by second in order to realize the consistent of power amplification factor in second band channel
Band power control module 60 is configured to include being sequentially connected the power amplifier, power splitter and power detecting unit connect, function
Rate amplifier is used to amplify the signal power of the second band input signal after decaying, and power splitter is used for amplified signal point
It is exported respectively at two-way, and by two paths of signals to power detecting unit and output port 70, real-time controlling unit 80 is according to power
The difference of preset value in detection unit performance number detected and second band power control module 60 to adjust second in real time
The evanescent voltage of wave band electrically controlled attenuator 50.
Using such configuration mode, power amplifier receives the signal exported from second band electrically controlled attenuator 50, into
In line frequency band after constant power amplification, signal is exported to power splitter, power splitter will wherein signal be to microwave switch 90 all the way, separately
It is exported all the way to power detecting unit, after power detecting unit carries out power detection, in real-time controlling unit 80 and preset value
After comparing, the evanescent voltage of second band electrically controlled attenuator 50 is adjusted in real time, realizes power amplification factor in second band channel
It is consistent.
In the present invention, in order to guarantee the normal work of two waveband microwave signal generating device, two waveband microwave can be believed
Number generating device is configured to further include power supply unit 100, power supply unit 100 respectively with first band phase locked source 10, first band
Fixed ampllitude unit 20, first band numerical-control attenuator 30, first band modulator 40, second band electrically controlled attenuator 50, the second wave
Section power control module 60 and real-time controlling unit 80 connect.
As a specific embodiment of the invention, power supply unit 100 can be configured to include power module and power supply point
Matching board, the voltage signal that power distribution board is used to export the input voltage signal and needs of power module are filtered change
It changes, and by power distribution to first band phase locked source 10, first band fixed ampllitude unit 20, first band numerical-control attenuator 30,
One band modulators 40, second band electrically controlled attenuator 50, second band power control module 60 and real-time controlling unit 80.
Further, in the present invention, in order to realize the integrated of signal generation apparatus and in signal generation apparatus
Each component is protected and is installed, and can configure two waveband microwave signal generating device to further include cabinet 110, first band lock
Phase source 10, first band fixed ampllitude unit 20, first band numerical-control attenuator 30, first band modulator 40, second band electricity tune
Attenuator 50, second band power control module 60, power supply unit 100 and real-time controlling unit 80 are respectively positioned in cabinet 110.
As a specific embodiment of the invention, cabinet 110 is 2U (height) × 250mm (width) × 350mm (depth) aluminium
Alloy machine case, first band phase locked source 10, first band fixed ampllitude unit 20, first band numerical-control attenuator 30, first band tune
Device 40, second band power control module 60, second band electrically controlled attenuator 50, power supply unit 100 and real-time controlling unit processed
80 are bolted on chassis backplane, and cabinet has front and back panel, the fixed display module 83 of front panel and key module 82.
Output port 70 is arranged on cabinet 110, and cabinet 110 also has second band input port 111, and second band input signal is logical
It crosses second band input port 111 and enters second band electrically controlled attenuator 50.First output port 71,72 and of second output terminal mouth
Second band input port 111 is installed on the rear panel of cabinet 110.
Further, in the present invention, output port 70 and second band input port 111 include that SMA-K radio frequency connects
Head, BNC type joint or N connector.As a specific embodiment of the invention, the first output port 71, second output terminal mouth
72 and second band input port 111 be SMA-K radio-frequency joint, while three-phase electricity being installed on the rear panel of cabinet 110
Source plug and ground terminal.
Further understand to have to the present invention, two waveband microwave signal of the invention is filled below with reference to Fig. 1
The structure and the course of work set are described in detail.
As a specific embodiment of the invention, two waveband microwave signal generating device includes S-band phase locked source, S wave
Section fixed ampllitude unit, S-band numerical-control attenuator, S-band modulator, X-band electrically controlled attenuator, X-band power control module, first
Output port 71, second output terminal mouth 72, second band input port 111, cabinet 110, power supply unit 100, microwave switch 90
With real-time controlling unit 80, the first output port 71 is S-band output port, and second output terminal mouth 72 is X-band output port,
Second band input port 111 is X-band input port.
S-band phase locked source is connect with S-band fixed ampllitude module, and S-band fixed ampllitude module is connect with S-band numerical-control attenuator, S wave
Numerical control attenuator is connected with S-band modulator, X-band electrically controlled attenuator respectively with X-band power control module and cabinet 110
The connection of X-band input port, S-band modulator and X-band power control module connect with microwave switch 90, microwave switch
90 connect with the S of cabinet 110, X-band output port, S-band phase locked source, S-band fixed ampllitude unit, S-band numerical-control attenuator, S
Band modulators, X-band electrically controlled attenuator, X-band power control module, the first output port 71, second output terminal mouth 72,
Two wave band input ports 111, power supply unit 100, microwave switch 90 and real-time controlling unit 80 are fixedly arranged at cabinet 110
In.
S-band phase locked source actively generates the continuous wave constant-amplitude signal of S-band, and power is 0dBm ± 3dBm, and then signal passes
It is defeated to arrive S-band fixed ampllitude module.S-band fixed ampllitude module has single chip control unit, in modular debugging calibration, passes through single-chip microcontroller
Internal control algolithm sets calibration parameter in different Frequency points.In actual module operation, S-band fixed ampllitude module passes through
Built-in AD sampling unit real-time measurement power, and compared with calibration parameter after, adjust power output, keep output power whole
Stablize in a frequency band in certain amplitude, while transferring signals to S-band numerical-control attenuator.S-band numerical-control attenuator can
The attenuation instructions of real-time controlling unit 80 are received, complete output power to be had larger the real-time attenuation settings of power
Dynamic range.It is right by real-time controlling unit 80 after S-band numerical-control attenuator receives the signal from S-band fixed ampllitude module
After the power attenuation of signal is adjusted, S-band modulator is output signals to.S-band modulator receives real-time controlling unit 80
Control instruction, realize to the impulse modulation function of signal.
After X-band electrically controlled attenuator receives the X-band radio-frequency input signals from cabinet 110, pass through real-time controlling unit
After the power attenuation of 80 pairs of signals is adjusted, X-band power control module is output signals to.X-band power control module packet
Power amplifier, power splitter and power detecting unit are included, power amplifier receives the letter exported from X-band electrically controlled attenuator
Number, carry out in frequency band exporting signal to power splitter after constant power amplification, power splitter will wherein all the way signal to microwave switch
90, another output is to power detecting unit, after power detecting unit carries out power detection, in real-time controlling unit 80 and in advance
After setting value relatively, the evanescent voltage of X-band electrically controlled attenuator is adjusted in real time, realizes one of power amplification factor in X-band channel
It causes.
Real-time controlling unit 80 includes main control module 81, key module 82 and display module 83, and each module passes through fixation hole
It is fixed in cabinet 110, is powered by power supply unit 100.It is to be output with determination that key module 83 receives external key command
Microwave band, realize to S-band phase locked source, S-band fixed ampllitude module, S-band numerical-control attenuator, S-band modulator, X-band
The control of electrically controlled attenuator, X-band power control module, microwave switch 90, key module 83 can receive key information, with more
Change the parameter shown in display module 83.81 control output end of main control module mouthful 70 and first band modulator 40 or second band
Power control module 60 connects, and display module 83 shows the parameter information of S-band microwave signal and X-band microwave signal.Specifically
Ground, the parameter information of S-band microwave signal include the information such as the frequency of S-band, power, pulse modulation frequency, pulse width, X
The parameter information of band microwave signal includes the information such as modulating frequency and the pulsewidth of X-band.Display module 83 has switch to select simultaneously
Parameter is selected, is that S-band output channel or X-band export by S-band or X-band and output channel of the current wave band of determination
Channel.
During use, first choice is needed by button operation, really two waveband microwave signal generating device of the invention
Fixed wave band and output channel to be operated.Secondly, real-time controlling unit 80 is according to key mould if current band is S-band
The input parameter of block 83, determines the output frequency, power and modulation parameter of S-band, while control instruction is sent to S-band
Phase locked source, S-band numerical-control attenuator, S-band modulator and microwave switch 90;If current band is X-band, real-time control list
80, member needs for control instruction to be sent to microwave switch 90.Finally, setting screen parameter of the system according to display module 83,
The signal of special modality output specific band.
As above it describes for a kind of embodiment and/or the feature that shows can be in a manner of same or similar at one or more
It is used in a number of other embodiments, and/or combines or substitute the feature in other embodiments with the feature in other embodiments
It uses.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step, component or combinations thereof.
The many features and advantage of these embodiments are clear according to the detailed description, therefore appended claims are intended to
Cover all these feature and advantage of these embodiments fallen into its true spirit and range.Further, since this field
Technical staff is readily apparent that many modifications and changes, therefore is not meant to for the embodiment of the present invention to be limited to illustrated and description essence
Really structurally and operationally, but all suitable modifications and the equivalent fallen within the scope of its can be covered.
Unspecified part of the present invention is known to the skilled person technology.
Claims (10)
1. a kind of two waveband microwave signal generating device, which is characterized in that the two waveband microwave signal generating device includes:
First band phase locked source (10), the first band phase locked source (10) are used to generate the constant-amplitude signal of first band;
First band fixed ampllitude unit (20), the first band fixed ampllitude unit (20) and the first band phase locked source (10) are even
It connects, the first band fixed ampllitude unit (20) is used to guarantee the stability of each frequency point output power of the constant-amplitude signal;
First band numerical-control attenuator (30), the first band numerical-control attenuator (30) and the first band fixed ampllitude unit
(20) it connects, the signal power that the first band numerical-control attenuator (30) is used to adjust the constant-amplitude signal after fixed ampllitude is big
It is small;
First band modulator (40), the first band modulator (40) and the first band numerical-control attenuator (30) are even
It connects, the first band modulator (40) is used to carry out impulse modulation to the constant-amplitude signal after decaying;
Second band electrically controlled attenuator (50), the second band electrically controlled attenuator (50) is for adjusting second band input signal
Signal power size;
Second band power control module (60), the second band power control module (60) are declined with the second band electricity tune
Subtract device (50) connection, the second band power control module (60) is used to amplify the second band input signal after decaying
Signal power;
Output port (70), the output port (70) selectively with the first band modulator (40) or second wave
Section power control module (60) connects;
Real-time controlling unit (80), the real-time controlling unit (80) is for controlling the output port (70) and the first wave
Section modulator (40) or the second band power control module (60) connection are to export first band microwave signal or the second wave
Section microwave signal.
2. two waveband microwave signal generating device according to claim 1, which is characterized in that the two waveband microwave signal
Generating device further includes microwave switch (90), and the real-time controlling unit (80) is by the microwave switch (90) with described in controlling
Output port (70) is connect with the first band modulator (40) or the second band power control module (60).
3. two waveband microwave signal generating device according to claim 1, which is characterized in that the real-time controlling unit
It (80) include main control module (81), key module (82) and display module (83), the key module (82) is for receiving outside
The key command microwave band to be output with determination, the main control module (81) is for controlling the output port (70) and institute
First band modulator (40) or the second band power control module (60) connection are stated, the display module (83) is for showing
Show the parameter information of the first band microwave signal and second band microwave signal.
4. two waveband microwave signal generating device according to claim 3, which is characterized in that the second band power control
Molding block (60) includes being sequentially connected the power amplifier, power splitter and power detecting unit connect, and the power amplifier is used
The signal power of the second band input signal after amplification decaying, the power splitter are used for the amplified signal
It is divided into two-way, and the two paths of signals is exported respectively to the power detecting unit and the output port (70), the reality
When control unit (80) according to power detecting unit performance number detected and the second band power control module
(60) difference of the preset value in adjust the evanescent voltage of the second band electrically controlled attenuator (50) in real time.
5. two waveband microwave signal generating device according to any one of claim 1 to 4, which is characterized in that described double
Band microwave signal generation apparatus further includes power supply unit (100), and said supply unit (100) is locked with the first band respectively
Xiang Yuan (10), the first band fixed ampllitude unit (20), the first band numerical-control attenuator (30), first band modulation
Device (40), the second band electrically controlled attenuator (50), the second band power control module (60) and the real-time control
Unit (80) connection.
6. two waveband microwave signal generating device according to claim 5, which is characterized in that said supply unit (100)
Including power module and power distribution board, the power distribution board is used for the input voltage signal to the power module and needs
The voltage signal to be exported is filtered transformation, and carries out power distribution.
7. two waveband microwave signal generating device according to claim 6, which is characterized in that the two waveband microwave signal
Generating device further includes cabinet (110), the first band phase locked source (10), the first band fixed ampllitude unit (20), described
It is first band numerical-control attenuator (30), the first band modulator (40), the second band electrically controlled attenuator (50), described
Second band power control module (60), said supply unit (100) and the real-time controlling unit (80) are respectively positioned on the machine
In case (110).
8. two waveband microwave signal generating device according to claim 1, which is characterized in that the output port (70) sets
It sets on the cabinet (110), the cabinet (110) also has second band input port (111), the second band input
Signal enters the second band electrically controlled attenuator (50) by the second band input port (111).
9. two waveband microwave signal generating device according to claim 8, which is characterized in that the output port (70) and
The second band input port (111) includes SMA-K radio-frequency joint, BNC type joint or N connector.
10. two waveband microwave signal generating device according to claim 9, which is characterized in that the first band locking phase
Source (10) is S-band phase locked source, and the first band fixed ampllitude unit (20) is S-band fixed ampllitude unit, the first band numerical control
Attenuator (30) is S-band numerical-control attenuator, and the first band modulator (40) is S-band modulator, the second band
Power control module (60) is X-band power control module, and the second band electrically controlled attenuator (50) is the decaying of X-band electricity tune
Device.
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