CN203644907U - K-band small power division phase shift network - Google Patents
K-band small power division phase shift network Download PDFInfo
- Publication number
- CN203644907U CN203644907U CN201320889753.3U CN201320889753U CN203644907U CN 203644907 U CN203644907 U CN 203644907U CN 201320889753 U CN201320889753 U CN 201320889753U CN 203644907 U CN203644907 U CN 203644907U
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- Prior art keywords
- merit
- power division
- phase shift
- shift network
- phase
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- Expired - Lifetime
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- 230000010363 phase shift Effects 0.000 title claims abstract description 49
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 33
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Non-Reversible Transmitting Devices (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Attenuators (AREA)
Abstract
The utility model provides a K-band small power division phase shift network, which comprises a substrate, an isolating resistor and a phase shift attenuator, wherein the substrate is provided with a power division circuit, the power division circuit is electrically connected with the phase shift attenuator, the isolating resistor is in bridge connection with adjacent the power division circuit at both sides, and the isolating resistor and the power division circuit are of an integrally shaped planar structure. Compared with a traditional power division phase shaft network, the K-band small power division phase shift network does not need to weld the isolating resistor, and is of the planar structure, thereby being capable of saving the assembling and debugging time, and reducing the assembling and debugging pressure. The K-band small power division phase shift network is an important assembly of a K-band phased array radar, and can greatly reduces the size, thereby being convenient for realizing miniaturization. In addition, the K-band small power division phase shift network ensures the microwave performance to be excellent, reduces the loss, is convenient for being integrated with a microwave planar circuit directly and also easy to be comprehensively arranged with a common microwave planar circuit, and reduces transition among circuits.
Description
Technical field
The utility model relates to merit and divides phase-shift network technical field, especially relates to a kind of K wave band miniaturization merit and divides phase-shift network.
Background technology
Traditional merit is divided phase-shift network, and isolation resistance wherein needs manual welding in merit parallel circuit, then debugs, and the position of isolation resistance welding and the use of scolding tin all can divide the circuit performance of phase-shift network to produce pernicious impact on merit, increase debugging work load, in addition, traditional isolation resistance product has fixing package size, cause merit to divide phase-shift network circuit to design according to the package dimension size of isolation resistance, seriously restrict the flexibility of circuit design, cause traditional merit to divide phase-shift network circuit design to reduce in K wave band plane structure network practicality, and make traditional merit divide the corresponding increase of volume of phase-shift network, although microwave property excellence, but physical structure complexity, precision is also poor, its huge volume more and more can not meet the requirement of assembling high integration, neither convenient for assembly, also be not easy to debugging.
Utility model content
The technical problems to be solved in the utility model is: the problem existing for prior art, and provide a kind of K wave band miniaturization merit to divide phase-shift network, avoid the welding operation of traditional isolation resistance, and dwindle its volume, make it to be easy to assembling, convenient debugging.
The technical problems to be solved in the utility model realizes by the following technical solutions: a kind of K wave band miniaturization merit is divided phase-shift network, comprise substrate, isolation resistance and phase shift attenuator, merit parallel circuit is set on described substrate, described merit parallel circuit is electrically connected with phase shift attenuator, the merit parallel circuit bridge joint that described isolation resistance and its both sides are contiguous, and isolation resistance and merit parallel circuit are integrated molding planar structures.
Preferably, described isolation resistance is rectangle sheet resistance.
Preferably, the minimum widith of described isolation resistance is 0.1mm.
Preferably, the minimum length of described isolation resistance is minimum widith 2 times.
Preferably, the resistance of described isolation resistance is 100 ± 5 ohm.
Preferably, the number of described isolation resistance is 15.
Preferably, described substrate is the substrate that adopts RT6002 material to make.
Preferably, the two ends of described phase shift attenuator are all electrically connected with merit parallel circuit by spun gold wire.
Preferably, the number of described phase shift attenuator is 16.
Compared with prior art, the beneficial effects of the utility model are: because isolation resistance and merit parallel circuit are integrated molding planar structures, can dwindle widely the volume that merit is divided phase-shift network, be conducive to realize miniaturization requirement; And, also avoid the Welding Structure of traditional isolation resistance, thereby avoided a large amount of debugging work of bringing into because of welding impact, save human cost, make the utility model be easy to produce, be easy to assembling, convenient debugging; This merit divides phase-shift network to be easy to and conventional microwave planar circuit comp comprehensive layout, convenient directly integrated with microwave planar circuit, without transition processing, has reduced the transition between circuit, can be integrated among phased array radar.Therefore, the utility model is conducive to realize miniaturization, and has reduced loss, has reduced cost.
Accompanying drawing explanation
Fig. 1 is the circuit structure figure that the utility model a kind of K wave band miniaturization merit is divided phase-shift network.
Fig. 2 is the contour substrate figure (back side) that the utility model a kind of K wave band miniaturization merit is divided phase-shift network.
Figure middle part product token name claims: 1-merit parallel circuit, 2-isolation resistance, 3-phase shift attenuator, 4-wire, 5-substrate.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind of K wave band miniaturization merit is as shown in Figure 1 divided phase-shift network, mainly comprise substrate 5, isolation resistance 2 and phase shift attenuator 3, on described substrate 5, merit parallel circuit 1 is set, described isolation resistance 2 connects with the merit parallel circuit Bridge 1 of its both sides vicinity, and isolation resistance 2 is integrated molding planar structure with merit parallel circuit 1, and the two ends of described phase shift attenuator 3 are all electrically connected with merit parallel circuit 1 by spun gold wire 4.Isolation resistance 2 is wherein rectangle sheet resistance, and its minimum widith is 0.1mm, its minimum length is minimum widith 2 times, i.e. 0.2mm.
As shown in Figure 1 and Figure 2, the utility model is made up of two parts, Part I is the power division network of miniaturization high integration, it is produced on same microwave base plate 5, and integrated 15 isolation resistances 2, the resistance of isolation resistance 2 is 100 ± 5 ohm, so just can avoid the assembling challenge of traditional power division network, especially avoid the Welding Problems of isolation resistance 2, and be conducive to alleviate the phase mutual interference of radiofrequency signal.Substrate 5 wherein adopts RT6002 material to make, also can adopt other equivalent material to make, its dielectric constant is 2.94, thickness can be 0.254mm, therefore, compared with can not processing the thin film circuit of unusual profile, cost costliness, the utlity model has higher practicality, and cost is lower; Part II is high-precision phase shift attenuator 3, and according to the number of isolation resistance 2, the number of described phase shift attenuator 3 is 16; The output of each power division network is all connected with high-precision phase shift attenuator 3, and described phase shift attenuator 3 utilizes spun gold wire 4 to be connected with the output of power division network respectively by bonding technology, forms a miniaturization merit and divides phase-shift network.Because substrate 5 profiles do not adopt traditional justifying design, but be designed to tree network distinctive appearance as shown in Figure 2, when radiofrequency signal is from input input, complete power division through merit parallel circuit 1, mean allocation 16 tunnels, and from output port output, wherein Mei road signal completes phase shift attenuation function by the phase shift attenuator 3 of branch road separately.So just can obviously reduce crosstalking of radiofrequency signal, also reduce space hold, be conducive to meet Miniaturization Design requirement simultaneously.By above-mentioned layout, it is 74.5mm that the monnolithic case size of substrate 5 of the present utility model can be decreased to length A, and width B is 25.1mm, and has guaranteed microwave property excellence.
In sum, divide phase-shift network with traditional merit compared with, the utility model directly by isolation resistance 2 with merit parallel circuit 1 Integrated design on substrate 5, and be planar structure, without welding operation, obviously saved assembling, debug time, reduce assembling, debugging pressure, be easy to produce.The utility model is as the significant components of K wave band phased array radar, can dwindle widely its volume, be convenient to realize miniaturization, and guarantee microwave property excellence, reduce loss, convenient directly integrated with microwave planar circuit, also be easy to and conventional microwave planar circuit comp comprehensive layout, reduce the transition between circuit, especially in multiport and high band power division network saliency advantage.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all any modifications of doing within spirit of the present utility model and principle, be equal to replacement and improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a K wave band miniaturization merit is divided phase-shift network, comprise substrate (5) and phase shift attenuator (3), merit parallel circuit (1) is set on described substrate (5), described merit parallel circuit (1) is electrically connected with phase shift attenuator (3), it is characterized in that: also comprise isolation resistance (2), merit parallel circuit (1) bridge joint that described isolation resistance (2) is contiguous with its both sides, and isolation resistance (2) is integrated molding planar structure with merit parallel circuit (1).
2. a kind of K wave band miniaturization merit according to claim 1 is divided phase-shift network, it is characterized in that: described isolation resistance (2) is rectangle sheet resistance.
3. a kind of K wave band miniaturization merit according to claim 2 is divided phase-shift network, it is characterized in that: the minimum widith of described isolation resistance (2) is 0.1mm.
4. a kind of K wave band miniaturization merit according to claim 3 is divided phase-shift network, it is characterized in that: the minimum length of described isolation resistance (2) is minimum widith 2 times.
5. divide phase-shift network according to a kind of K wave band miniaturization merit described in claim 1-4 any one, it is characterized in that: the resistance of described isolation resistance (2) is 100 ± 5 ohm.
6. a kind of K wave band miniaturization merit according to claim 5 is divided phase-shift network, it is characterized in that: the number of described isolation resistance (2) is 15.
7. a kind of K wave band miniaturization merit according to claim 1 is divided phase-shift network, it is characterized in that: described substrate (5) is the substrate that adopts RT6002 material to make.
8. a kind of K wave band miniaturization merit according to claim 1 is divided phase-shift network, it is characterized in that: the two ends of described phase shift attenuator (3) are all electrically connected with merit parallel circuit (1) by spun gold wire (4).
9. divide phase-shift network according to a kind of K wave band miniaturization merit described in claim 1 or 8, it is characterized in that: the number of described phase shift attenuator (3) is 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889753.3U CN203644907U (en) | 2013-12-31 | 2013-12-31 | K-band small power division phase shift network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889753.3U CN203644907U (en) | 2013-12-31 | 2013-12-31 | K-band small power division phase shift network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644907U true CN203644907U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889753.3U Expired - Lifetime CN203644907U (en) | 2013-12-31 | 2013-12-31 | K-band small power division phase shift network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190372A (en) * | 2019-06-13 | 2019-08-30 | 安徽华东光电技术研究所有限公司 | Broadband one divides six constant power distributors |
| CN112993496A (en) * | 2019-12-12 | 2021-06-18 | 南京恒波科技有限公司 | Low-cost adjustable fixed phase shifter of phase place |
-
2013
- 2013-12-31 CN CN201320889753.3U patent/CN203644907U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190372A (en) * | 2019-06-13 | 2019-08-30 | 安徽华东光电技术研究所有限公司 | Broadband one divides six constant power distributors |
| CN112993496A (en) * | 2019-12-12 | 2021-06-18 | 南京恒波科技有限公司 | Low-cost adjustable fixed phase shifter of phase place |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |