CN210958280U - U-band frequency tripler - Google Patents
U-band frequency tripler Download PDFInfo
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- CN210958280U CN210958280U CN201921937005.1U CN201921937005U CN210958280U CN 210958280 U CN210958280 U CN 210958280U CN 201921937005 U CN201921937005 U CN 201921937005U CN 210958280 U CN210958280 U CN 210958280U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000010453 quartz Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000011161 development Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Abstract
The utility model discloses a U-band frequency tripler, which comprises a quartz substrate, wherein a 50 omega microstrip transmission line, a low pass filter, a substrate matching transmission line, a GaN frequency doubling diode, a matching microstrip line and an output end matching microstrip line are arranged on the quartz substrate; one end of the low-pass filter is connected with the 50 omega microstrip transmission line, the other end of the low-pass filter is connected with the substrate matching transmission line, and the other end of the substrate matching transmission line is connected with the GaN frequency doubling diode; one end of the matching microstrip line is connected with the GaN frequency doubling diode, and the other end of the matching microstrip line is connected with the output end matching microstrip line; the output end matching microstrip line is connected with a microstrip probe and arranged on the radio frequency output waveguide. The U-band frequency tripler adopts a GaN frequency doubling diode as a nonlinear frequency doubling device, and the output end adopts a probe-waveguide-probe form, so that clutter generated after frequency doubling is inhibited.
Description
Technical Field
The utility model relates to a millimeter wave equipment and use accessory technical field especially relate to a U wave band frequency tripler.
Background
Millimeter wave: electromagnetic waves with the wavelength of 1-10 mm are called millimeter waves and are located in the overlapping wavelength range of microwave and far infrared waves, so that the electromagnetic wave has the characteristics of two wave spectrums. The theory and technology of millimeter waves are the extension of microwaves to high frequencies and the development of light waves to low frequencies, respectively. In recent years, with the increase of the demand for millimeter wave systems, millimeter wave technology has made a major breakthrough in the development of transmitters, receivers, antennas, millimeter wave devices, and the like, and millimeter wave radars are entering a new stage of various applications.
The frequency multiplier is a key circuit of the receiving and transmitting front end of the millimeter wave system, and the frequency multiplier is mainly used for multiplying the frequency of a reference source to a higher frequency, does not need a plurality of frequency sources, and can generate the higher frequency more easily and conveniently. In practical use, the problem of poor clutter suppression is encountered, and therefore, research and development personnel are urgently needed to solve the problem as soon as possible.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a U wave band frequency tripler, this U wave band frequency tripler simple structure plays the inhibitory action to the clutter that produces after doubling of frequency through using this frequency tripler.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a U-band frequency tripler comprises a quartz substrate, wherein a 50 omega microstrip transmission line, a low-pass filter, a substrate matching transmission line, a GaN frequency doubling diode, a matching microstrip line and an output end matching microstrip line are arranged on the quartz substrate;
one end of the low-pass filter is connected with the 50 omega microstrip transmission line, the other end of the low-pass filter is connected with the substrate matching transmission line, and the other end of the substrate matching transmission line is connected with the GaN frequency doubling diode; one end of the matching microstrip line is connected with the GaN frequency doubling diode, and the other end of the matching microstrip line is connected with the output end matching microstrip line; the output end matching microstrip line is connected with a microstrip probe and arranged on the radio frequency output waveguide.
In the above technical solution, the output end matching microstrip line is disposed across the radio frequency output waveguide.
In the above technical solution, the low pass filter is a fifth order high and low impedance matching microstrip.
In the above technical solution, the substrate matching transmission line is connected to the anode of the GaN frequency doubling diode.
In the above technical solution, the matching microstrip line is connected to the anode of the GaN frequency doubling diode.
In the above technical scheme, the cathode of the GaN frequency doubling diode is grounded.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the utility model discloses in adopt gaN doubling of frequency diode as non-linear doubling of frequency device, gaN doubling of frequency diode has that the mobility is higher, and series resistance is little, and cutoff frequency is high, can bear higher input power, advantages such as heat dispersion is good. The output end adopts a probe-waveguide-probe mode, and has an inhibition effect on clutter generated after frequency doubling.
Drawings
Fig. 1 is a schematic diagram of the U-band frequency tripler of the present invention.
Wherein: 1. a 50 Ω microstrip transmission line; 2. a low-pass filter; 3. a substrate-matched transmission line; 4. a GaN frequency doubling diode; 5. matching a microstrip line; 6. the output end is matched with a microstrip line; 7. a radio frequency output waveguide; 8. a microstrip probe; 9. a quartz substrate.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1, a U-band frequency tripler includes a quartz substrate 9, and a 50 Ω microstrip transmission line 1, a low pass filter 2, a substrate matching transmission line 3, a GaN frequency doubling diode 4, a matching microstrip line 5, and an output matching microstrip line 6 are disposed on the quartz substrate 9;
the input end of a fundamental wave is input through a 50 omega microstrip transmission line 1 arranged on a quartz substrate 9, the other end of the 50 omega microstrip transmission line 1 is connected with one end of a low-pass filter 2, the other end of the low-pass filter 2 is connected with a substrate matching transmission line 3, and the other end of the substrate matching transmission line 3 is connected with a GaN frequency doubling diode 4; one end of the matching microstrip line 5 is connected with the GaN frequency doubling diode 4, and the other end of the matching microstrip line 5 is connected with an output end matching microstrip line 6; the output end matching microstrip line 6 is connected with a microstrip probe 8, and the output end matching microstrip line 6 is arranged on the radio frequency output waveguide 7. The output end matching microstrip line 6 is arranged on the radio frequency output waveguide 7 in a crossing manner. The substrate matching transmission line 3 is connected with the anode of the GaN frequency doubling diode 4. The matching microstrip line 5 is connected with the anode of the GaN frequency doubling diode 4. And the cathode of the GaN frequency doubling diode 4 is grounded.
In the U-band frequency tripler, the GaN frequency doubling diode 4 is used as a nonlinear frequency doubling device, and the GaN frequency doubling diode 4 has the advantages of high mobility, small series resistance, high cut-off frequency, capability of bearing high input power, good heat dissipation performance and the like.
The output end matching microstrip line 6 is connected with a microstrip probe 8 of 40-60GHz, the output end matching microstrip line 6 is arranged on the radio frequency output waveguide 7 in a crossing mode, and the output end adopts a probe-waveguide-probe mode and has an inhibiting effect on clutter generated after frequency doubling.
The low-pass filter 2 is a fifth-order high-low impedance matching microstrip.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A U-band frequency tripler, comprising: the high-frequency-multiplication GaN-based power amplifier comprises a quartz substrate, wherein a 50-ohm microstrip transmission line, a low-pass filter, a substrate matching transmission line, a GaN frequency-multiplication diode, a matching microstrip line and an output end matching microstrip line are arranged on the quartz substrate;
one end of the low-pass filter is connected with the 50 omega microstrip transmission line, the other end of the low-pass filter is connected with the substrate matching transmission line, and the other end of the substrate matching transmission line is connected with the GaN frequency doubling diode; one end of the matching microstrip line is connected with the GaN frequency doubling diode, and the other end of the matching microstrip line is connected with the output end matching microstrip line; the output end matching microstrip line is connected with a microstrip probe and arranged on the radio frequency output waveguide.
2. The U-band frequency tripler according to claim 1, wherein: the output end matching microstrip line is arranged on the radio frequency output waveguide in a crossing way.
3. The U-band frequency tripler according to claim 1, wherein: the low-pass filter is a fifth-order high-low impedance matching microstrip.
4. The U-band frequency tripler according to claim 1, wherein: the substrate matching transmission line is connected with the positive electrode of the GaN frequency doubling diode.
5. The U-band frequency tripler according to claim 1, wherein: the matching microstrip line is connected with the anode of the GaN frequency doubling diode.
6. The U-band frequency tripler according to claim 1, wherein: and the cathode of the GaN frequency doubling diode is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937005.1U CN210958280U (en) | 2019-11-11 | 2019-11-11 | U-band frequency tripler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937005.1U CN210958280U (en) | 2019-11-11 | 2019-11-11 | U-band frequency tripler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210958280U true CN210958280U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921937005.1U Active CN210958280U (en) | 2019-11-11 | 2019-11-11 | U-band frequency tripler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210958280U (en) |
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2019
- 2019-11-11 CN CN201921937005.1U patent/CN210958280U/en active Active
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