CN212572610U - Frequency modulation continuous 3mm wave signal source system - Google Patents
Frequency modulation continuous 3mm wave signal source system Download PDFInfo
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- CN212572610U CN212572610U CN202021640774.8U CN202021640774U CN212572610U CN 212572610 U CN212572610 U CN 212572610U CN 202021640774 U CN202021640774 U CN 202021640774U CN 212572610 U CN212572610 U CN 212572610U
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Abstract
The utility model relates to a continuous 3mm ripples signal source system of frequency modulation, which comprises a cavity, voltage stabilizing circuit, voltage controlled oscillator, quadrupler, the tripler, power amplifier, the cavity is by the power strip apron, microstrip board apron, the power strip, the microstrip board, little apron and carrier are constituteed, be equipped with voltage stabilizing circuit in the cavity, voltage stabilizing circuit respectively with voltage controlled oscillator, the quadrupler, the tripler, power amplifier connects, voltage controlled oscillator, the quadrupler, the tripler connects gradually with power amplifier, voltage stabilizing circuit is by two REG113-5 circuits, LP2985-3.3 circuit, LT1617 circuit is constituteed. The system adopts a monolithic integrated circuit, an X-waveband integrated voltage-controlled oscillator is used as a reference signal, quadruple frequency is carried out through a quadrupler to generate 8 mm-waveband radio-frequency signals, then 3 mm-waveband radio-frequency signals are generated through a tripler, the signals are amplified through a power amplifier to compensate for frequency conversion loss, and finally the signals are used as transmitting signals and are transmitted through an antenna. The design of the cavity adopts a cavity separation technology, and the self-excitation problem is effectively solved.
Description
Technical Field
The utility model belongs to the technical field of the signal source system, concretely relates to continuous 3mm ripples signal source system of frequency modulation.
Background
The existing 3mm signal source has many defects in the aspects of technology and use, and is difficult to meet the application requirements of modern environment. For example, a 3mm signal source generated by a resonant cavity through a GUNN tube is popular at present, the output tuning width is narrow, mode hopping is easy, manual or mechanical modulation is needed to output a 3mm wave signal, and the manual and processing costs are high. The 3mm signal source produced by other methods usually directly generates high-frequency signals, and has low power, narrow bandwidth, high cost, unstable performance indexes such as power, frequency and the like.
The millimeter wave transmitting component designed based on the gunn body effect oscillation component mixed loading technology has a complex structure, and cannot meet the requirements of miniaturization and light weight. Therefore, the method cannot be adapted to the development process of requiring higher integration and smaller size of the millimeter wave high-power transmitting front-end component. And the local oscillator adopts the gunn body effect technology, so that the reliability is not high, and great inconvenience is brought to debugging.
Millimeter waves are electromagnetic waves with a wavelength between 1-10mm, corresponding to a frequency range of 3-30 GHz. The millimeter wave has good atmospheric penetration, and has great significance in the fields of aerospace, communication, guidance, radar and the like.
The 3mm band has shorter wavelength and less propagation attenuation, and the demand in military communication, radar, electronic countermeasure and the like is increasing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a continuous 3mm ripples signal source system of frequency modulation, adopt monolithic integrated circuit, by the integrated voltage controlled oscillator of X wave band as reference signal, carry out the frequency modulation to voltage controlled oscillator with multiple spot frequency modulation software, just can obtain X wave band chirp signal, carry out quadruple frequency, triplex in proper order, produce millimeter wave chirp signal, enlarge through power amplifier again, as transmitted signal, go out through the antenna transmission.
In order to achieve the above object, the utility model provides a following technical scheme: a frequency modulation continuous 3mm wave signal source system comprises a cavity, a voltage stabilizing circuit, a voltage controlled oscillator, a quadrupler, a tripler and a power amplifier, wherein the cavity consists of a power panel cover plate, a microstrip panel cover plate, a power panel, a microstrip panel, a small cover plate and a carrier, the cavity is internally provided with the voltage stabilizing circuit, the voltage stabilizing circuit is respectively connected with the voltage controlled oscillator, the quadrupler, the tripler and the power amplifier one by one, the voltage controlled oscillator, the quadrupler, the tripler and the power amplifier are sequentially connected, and the voltage stabilizing circuit consists of two REG113-5 circuits, an LP2985-3.3 circuit and an LT1617 circuit.
Further: the voltage-controlled oscillator adopts X-band integration, and a generated radio frequency signal is used as a reference signal;
further: the reference signal is subjected to quadruple frequency through a quadrupler to generate a radio frequency signal with a wave band of 8mm, and the radio frequency signal is used as a millimeter wave emission excitation signal;
further: the excitation signal is subjected to frequency tripling through a frequency tripper to generate a 3mm wave band radio frequency signal;
further: the power amplifier amplifies the generated 3mm wave band radio frequency signal to make up for frequency conversion loss and obtain a transmitting signal;
preferably: the cavity adopts a cavity dividing technology, and the problems of self-excitation and heat dissipation are solved.
Compared with the prior art, the beneficial effects of the utility model reside in that:
a frequency modulation continuous 3mm wave signal source system comprises a cavity, a voltage stabilizing circuit, a voltage controlled oscillator, a frequency quadruplicate device, a frequency tripler device and a power amplifier, wherein a monolithic integrated circuit is adopted, the voltage controlled oscillator integrated by an X wave band is used as a reference signal, frequency quadruplication and frequency triplex are sequentially carried out, a 3mm wave band radio frequency signal is generated, the signal is amplified by the power amplifier and used as a transmitting signal, and the signal is transmitted out through an antenna. The design of the cavity adopts a cavity separation technology, and the self-excitation problem is effectively solved.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings required to be used in the description of the embodiment will be briefly introduced below, it is obvious that the drawings in the following description are only for more clearly illustrating the embodiment of the present invention or the technical solution in the prior art, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic block diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a working schematic diagram of the voltage-controlled oscillator of the present invention;
FIG. 4 is a schematic diagram of the quadrupler of the present invention;
FIG. 5 is a schematic diagram of the operation of the frequency tripler of the present invention;
fig. 6 is a working schematic diagram of the power amplifier of the present invention;
FIG. 7 is a front view of the cavity of the present invention;
fig. 8 is a top view of the cavity of the present invention;
in the figure: 1-a voltage stabilizing circuit, 2-a voltage controlled oscillator, 3-a quadrupler, 4-a tripler, 5-a power amplifier, 6-a cavity, 7-a power panel cover plate, 8-a microstrip panel cover plate, 9-a carrier, 10-a power panel, 11-a microstrip panel and 12-a small cover plate.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the following specific embodiments, which are provided as illustration only and are not intended to limit the present invention.
The frequency modulation continuous 3mm wave signal source system shown in fig. 1-8 comprises a cavity 6, a voltage stabilizing circuit 1, a voltage controlled oscillator 2, a quadrupler 3, a tripler 4 and a power amplifier 5, wherein the cavity is composed of a power panel cover plate 7, a microstrip panel cover plate 8, a power panel 10, a microstrip panel 11, a small cover plate 12 and a carrier 9, the voltage stabilizing circuit 1 is arranged in the cavity 6, the voltage stabilizing circuit 1 is respectively connected with the voltage controlled oscillator 2, the quadrupler 3, the tripler 4 and the power amplifier 5 one by one, and the voltage controlled oscillator 2, the quadrupler 3, the tripler 4 and the power amplifier 5 are sequentially connected;
the voltage stabilizing circuit 1 consists of two REG113-5 circuits, an LP2985-3.3 circuit and an LT1617 circuit.
Further: the two REG113-5 circuits generate +5v and +4v voltages, respectively, +5v provides a positive voltage to the voltage controlled oscillator 2, +4v provides a positive voltage to the frequency tripler 4 and the power amplifier 5 simultaneously;
further: the LP2985-3.3 circuit generates +3.3v voltage and provides positive voltage for the quadrupler 3;
further: the LT1617 circuit generates-0.2 v, -0.8v, -0.4v voltages, -0.2v and-0.8 v to provide negative voltage for the quadrupler 3, -0.4v to provide negative voltage for the tripler 4 and the power amplifier 5 simultaneously;
preferably: the voltage-controlled oscillator 2 selects hmc510lp5 to generate a signal source, the quadrupler 3 selects CHX2092 to perform quadruple frequency conversion, the tripler 4 selects MWX205 to perform triple frequency conversion, and the power amplifier 5 selects MWG308 to perform power amplification;
preferably: the transmission between signals is carried out through a 50 ohm microstrip line, the transmission material is RT5880, and all components are connected through a gold bonding wire process.
The utility model discloses a monolithic integrated circuit is by the integrated voltage controlled oscillator of X wave band as reference signal, carries out the frequency modulation to voltage controlled oscillator with multiple spot frequency modulation software, just can obtain X wave band chirp signal, carries out the quadruple frequency, produces millimeter wave chirp signal, enlargies through the amplifier, as transmitted signal, goes out through the antenna transmission.
The utility model discloses a continuous 3mm ripples signal source system of frequency modulation, adopt 2 work of the integrated voltage controlled oscillator of X wave band to produce the signal source, as reference signal, carry out the quadruple frequency through frequency quadrupler 3 with the reference signal who obtains, produce 8mm wave band radio frequency signal, as transmission excitation signal, the excitation signal that will produce again carries out the frequency tripling through frequency tripper 4, the signal of production is 3mm ripples signal promptly, the 3mm signal that will produce again is enlargied through power amplifier 5, compensate frequency conversion loss, obtain transmission signal, transmission signal goes out through the antenna transmission. The cavity 6 is divided into two parts, so that the self-excitation problem is effectively solved.
The present invention is not described in detail in the prior art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A frequency modulation continuous 3mm wave signal source system is characterized in that: comprises a cavity (6), a power panel cover plate (7), a microstrip plate cover plate (8), a power panel (10), a microstrip plate (11), a small cover plate (12) and a carrier (9);
a voltage stabilizing circuit (1), a voltage controlled oscillator (2), a quadrupler (3), a tripler (4) and a power amplifier (5) are arranged in the cavity (6), the voltage stabilizing circuit (1) is respectively connected with the voltage controlled oscillator (2), the quadrupler (3), the tripler (4) and the power amplifier (5), and the voltage controlled oscillator (2), the quadrupler (3) and the tripler (4) are sequentially connected with the power amplifier (5).
2. A frequency modulated continuous 3mm wave signal source system according to claim 1, wherein: the voltage stabilizing circuit (1) consists of two REG113-5 circuits, an LP2985-3.3 circuit and an LT1617 circuit.
3. A frequency modulated continuous 3mm wave signal source system according to claim 1, wherein: the voltage-controlled oscillator (2) is integrated in an X wave band, and the model of the voltage-controlled oscillator (2) is hmc510lp 5.
4. A frequency modulated continuous 3mm wave signal source system according to claim 1, wherein: the cavity (6) adopts a cavity-separating structure.
5. A frequency modulated continuous 3mm wave signal source system according to claim 1, wherein: the model of the quadrupler (3) is CHX2092, the model of the tripler (4) is MWX205, and the model of the power amplifier (5) is MWG 308.
6. A frequency modulated continuous 3mm wave signal source system as claimed in any one of claims 1 to 5, wherein: the transmission between signals is carried out through a 50 ohm microstrip line, the transmission material is RT5880, and all components are connected through a gold bonding wire process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021640774.8U CN212572610U (en) | 2020-08-10 | 2020-08-10 | Frequency modulation continuous 3mm wave signal source system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021640774.8U CN212572610U (en) | 2020-08-10 | 2020-08-10 | Frequency modulation continuous 3mm wave signal source system |
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| Publication Number | Publication Date |
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| CN212572610U true CN212572610U (en) | 2021-02-19 |
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| CN202021640774.8U Active CN212572610U (en) | 2020-08-10 | 2020-08-10 | Frequency modulation continuous 3mm wave signal source system |
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- 2020-08-10 CN CN202021640774.8U patent/CN212572610U/en active Active
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