CN203386880U - Broadband microwave equalizer based on thin film circuit - Google Patents
Broadband microwave equalizer based on thin film circuit Download PDFInfo
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- CN203386880U CN203386880U CN201320527977.XU CN201320527977U CN203386880U CN 203386880 U CN203386880 U CN 203386880U CN 201320527977 U CN201320527977 U CN 201320527977U CN 203386880 U CN203386880 U CN 203386880U
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- transmission line
- absorption resistance
- minor matters
- thin film
- film circuit
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Abstract
The utility model discloses a broadband microwave equalizer based on a thin film circuit. The broadband microwave equalizer comprises a medium substrate, an input transmission line, an output transmission line, and a matched transmission line, wherein the two ends of the matched transmission line are respectively connected with the input transmission line and the output transmission line. The broadband microwave equalizer further comprises a first resonance branchknot, a second resonance branchknot, a third resonance branchknot, a first absorbing resistor, a second absorbing resistor, and a third absorbing resistor. The matched transmission line is also connected with a first end of the first absorbing resistor, a first end of the second absorbing resistor, and a first end of the third absorbing resistor. According to the broadband microwave equalizer based on the thin film circuit, the manufacture technology is improved and a thin film circuit technology insensitive to temperature changes is adopted; the problem that medium materials and the absorbing resistors cannot work normally after low temperature storage, high temperature storage, and high and lower temperature circulation is solved; and the broadband microwave equalizer is simple in structure, small in size, wide in frequency band, and capable of independently or simultaneously balance the amplitude and phase.
Description
Technical field
The utility model relates to a kind of wide-band microwave equalizer, relates in particular to a kind of wide-band microwave equalizer of based thin film circuit.
Background technology
In the microwave and millimeter wave circuit, amplitude-frequency characteristic and phase-frequency characteristic fluctuation cause more greatly output performance to reduce, thereby need to adopt microwave equalizer to carry out amplitude and phase equalization.According to application demand, some circuit only need to carry out equilibrium to amplitude, and some circuit only need to carry out equilibrium to phase place, and some circuit also need phase place is carried out to equilibrium amplitude being carried out in balanced.
Above existing market, adopt the equalizer of non-thin film circuit technique to have two large problems: first, the medium of traditional microwave equalizer adopts ptfe substrate, this kind of dielectric material larger expanding with heat and contract with cold of normal generation after low temperature storage, high temperature storage and high low-temperature circulating, cause service behaviour unstable; Absorption resistance on the resonance minor matters adopts Chip-R, and after extremely low temperature storage, excessive temperature storage and high low-temperature circulating, this resistance easily damages, and causes circuit to work.
The utility model content
The purpose of this utility model just is to provide in order to address the above problem a kind of wide-band microwave equalizer of based thin film circuit.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of wide-band microwave equalizer of based thin film circuit, comprise dielectric substrate, the input transmission line, output transmission line and matched transmission line, the two ends of described matched transmission line are connected with described output transmission line with described input transmission line respectively, described wide-band microwave equalizer also comprises the first resonance minor matters, the second resonance minor matters, the 3rd resonance minor matters, the first absorption resistance, the second absorption resistance and the 3rd absorption resistance, described matched transmission line also respectively with the first end of described the first absorption resistance, the first end of described the second absorption resistance is connected with the first end of described the 3rd absorption resistance, the second end of described the first absorption resistance is connected with the first end of described the first resonance minor matters, the second end of described the second absorption resistance is connected with the first end of described the 3rd resonance minor matters, the second end of described the 3rd absorption resistance is connected with the first end of described the second resonance minor matters, the second end of described the first resonance minor matters, the second end of the second end of described the second resonance minor matters and described the 3rd resonance minor matters is ground connection respectively.
Adopt matched transmission line, avoid influencing each other between each minor matters in circuit, and played the impedance matching effect; The first absorption resistance, the second absorption resistance and the 3rd absorption resistance have played the effect of regulating equilibrium quantity.
Particularly, described the first absorption resistance, described the second absorption resistance and described the 3rd absorption resistance are film resistor.
As preferably, described medium substrate is aluminum oxide substrate.
The beneficial effects of the utility model are:
The wide-band microwave equalizer of a kind of based thin film circuit of the utility model, improved manufacture craft, employing is to the insensitive thin film circuit technique of variations in temperature, solved the problem that dielectric material and absorption resistance can't work after low temperature storage, high temperature storage and high low-temperature circulating, and of the present utility model simple in structure, volume is little, bandwidth, and can carry out equilibrium to amplitude and phase place individually or simultaneously.
The accompanying drawing explanation
Fig. 1 is the structural representation of the wide-band microwave equalizer of a kind of based thin film circuit of the utility model.
In figure: 1-inputs transmission line, and 2-exports transmission line, 3-matched transmission line, 4-the first resonance minor matters, 5-the second resonance minor matters, 6-the 3rd resonance minor matters, 7-the first absorption resistance, 8-the second absorption resistance, 9-the 3rd absorption resistance, 10-medium substrate.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the wide-band microwave equalizer of a kind of based thin film circuit of the utility model, comprise dielectric substrate 10, input transmission line 1, output transmission line 2 and matched transmission line 3, the two ends of matched transmission line 3 are connected with output transmission line 2 with input transmission line 1 respectively, the wide-band microwave equalizer also comprises the first resonance minor matters 4, the second resonance minor matters 5, the 3rd resonance minor matters 6, the first absorption resistance 7, the second absorption resistance 8 and the 3rd absorption resistance 9, matched transmission line 3 also respectively with the first end of the first absorption resistance 7, the first end of the second absorption resistance 8 is connected with the first end of the 3rd absorption resistance 9, the second end of the first absorption resistance 7 is connected with the first end of the first resonance minor matters 4, the second end of the second absorption resistance 8 is connected with the first end of the 3rd resonance minor matters 6, the second end of the 3rd absorption resistance 9 is connected with the first end of the second resonance minor matters 5, the second end of the first resonance minor matters 4, the second end of the second end of the second resonance minor matters 5 and the 3rd resonance minor matters 6 is ground connection respectively.
Adopt matched transmission line 3, avoid influencing each other between each minor matters in circuit, and played the impedance matching effect; The first absorption resistance 7, the second absorption resistance 8 and the 3rd absorption resistance 9 have played the effect of regulating equilibrium quantity.
The first absorption resistance 7, the second absorption resistance 8 and the 3rd absorption resistance 9 are film resistor.Medium substrate 10 is aluminum oxide substrate.
In the utility model, input transmission line 1 and output transmission line 2 all adopt the transmission line that characteristic impedance is 50 ohm, the first absorption resistance 7, the second absorption resistance 8 and the 3rd absorption resistance 9 are the resistance with certain resistance that adopts thin-film technique to be configured to, for regulating equilibrium quantity.
Claims (3)
1. the wide-band microwave equalizer of a based thin film circuit, comprise dielectric substrate, the input transmission line, output transmission line and matched transmission line, the two ends of described matched transmission line are connected with described output transmission line with described input transmission line respectively, it is characterized in that: also comprise the first resonance minor matters, the second resonance minor matters, the 3rd resonance minor matters, the first absorption resistance, the second absorption resistance and the 3rd absorption resistance, described matched transmission line also respectively with the first end of described the first absorption resistance, the first end of described the second absorption resistance is connected with the first end of described the 3rd absorption resistance, the second end of described the first absorption resistance is connected with the first end of described the first resonance minor matters, the second end of described the second absorption resistance is connected with the first end of described the 3rd resonance minor matters, the second end of described the 3rd absorption resistance is connected with the first end of described the second resonance minor matters, the second end of described the first resonance minor matters, the second end of the second end of described the second resonance minor matters and described the 3rd resonance minor matters is ground connection respectively.
2. the wide-band microwave equalizer of a kind of based thin film circuit according to claim 1, it is characterized in that: described the first absorption resistance, described the second absorption resistance and described the 3rd absorption resistance are film resistor.
3. the wide-band microwave equalizer of a kind of based thin film circuit according to claim 1, it is characterized in that: described medium substrate is aluminum oxide substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527977.XU CN203386880U (en) | 2013-08-28 | 2013-08-28 | Broadband microwave equalizer based on thin film circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527977.XU CN203386880U (en) | 2013-08-28 | 2013-08-28 | Broadband microwave equalizer based on thin film circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386880U true CN203386880U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320527977.XU Expired - Fee Related CN203386880U (en) | 2013-08-28 | 2013-08-28 | Broadband microwave equalizer based on thin film circuit |
Country Status (1)
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| CN (1) | CN203386880U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956313A (en) * | 2014-05-07 | 2014-07-30 | 电子科技大学 | Miniaturized power gain equalizer |
| CN106129569A (en) * | 2016-05-19 | 2016-11-16 | 中电科仪器仪表有限公司 | A kind of power-adjustable equalizer with composite link |
| CN107517070A (en) * | 2017-10-10 | 2017-12-26 | 南京冉思电子科技有限公司 | The U-shaped balanced device in one kind 7.5 ~ 18GHz broadbands |
| CN113497324A (en) * | 2020-04-07 | 2021-10-12 | 南京理工大学 | Miniaturized microstrip equalizer based on thin film circuit |
-
2013
- 2013-08-28 CN CN201320527977.XU patent/CN203386880U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956313A (en) * | 2014-05-07 | 2014-07-30 | 电子科技大学 | Miniaturized power gain equalizer |
| CN106129569A (en) * | 2016-05-19 | 2016-11-16 | 中电科仪器仪表有限公司 | A kind of power-adjustable equalizer with composite link |
| CN106129569B (en) * | 2016-05-19 | 2020-04-28 | 中电科仪器仪表有限公司 | Adjustable power equalizer with combined link |
| CN107517070A (en) * | 2017-10-10 | 2017-12-26 | 南京冉思电子科技有限公司 | The U-shaped balanced device in one kind 7.5 ~ 18GHz broadbands |
| CN107517070B (en) * | 2017-10-10 | 2024-01-12 | 南京冉思电子科技有限公司 | 7.5-18 GHz broadband U-shaped equalizer |
| CN113497324A (en) * | 2020-04-07 | 2021-10-12 | 南京理工大学 | Miniaturized microstrip equalizer based on thin film circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140828 |
|
| EXPY | Termination of patent right or utility model |