CN203260705U - Microstrip substrate type bimodal circulator - Google Patents
Microstrip substrate type bimodal circulator Download PDFInfo
- Publication number
- CN203260705U CN203260705U CN 201320223191 CN201320223191U CN203260705U CN 203260705 U CN203260705 U CN 203260705U CN 201320223191 CN201320223191 CN 201320223191 CN 201320223191 U CN201320223191 U CN 201320223191U CN 203260705 U CN203260705 U CN 203260705U
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- microstrip
- circulator
- permanent magnet
- substrate
- circuit
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Abstract
The utility model discloses a microstrip substrate type bimodal circulator comprising a pedestal, a ferrite substrate, a microstrip circuit, and a permanent magnet. The ferrite substrate is fixedly disposed on the pedestal, and the microstrip circuit is disposed on an upper surface of the ferrite substrate. The microstrip substrate type bimodal circulator is characterized in that a ceramic sheet and a radio frequency resistor chip can be provided; the ceramic sheet is disposed on the microstrip circuit, and can be used for adjusting the strength of the permanent magnet; the permanent magnet is disposed on the ceramic sheet in an adhesive manner; and the radio frequency resistor chip is connected with one pin of the micro strip circuit; and the radio frequency resistor chip can be used for absorbing the microwave signal. The microstrip substrate type bimodal circulator is advantageous in that the structure is simple, the size is small, and the weight is light; the bimodal circulator is suitable for the surface mounting and the microcircuit integration, and the working requirement of the high frequency range can be satisfied.
Description
Technical field
The utility model relates to a kind of circulator, relates in particular to a kind of microstrip substrate formula binodal circulator, belongs to the microwave communication field.
Background technology
Along with developing rapidly of microwave communication, the application of microwave electron equipment is increasingly extensive, overall performance also improves a lot, ferrite circulator index is wherein also had higher requirement, embedded circulator can not satisfy the demand of many systems paster substantially, and existing SMD circulator can not satisfy the needs of high-frequency range because operating frequency range is lower.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, and a kind of microstrip substrate formula binodal circulator is provided, and it is simple in structure, is applicable to surface mount and microcircuit is integrated, and satisfies the job requirement of lower frequency range.
Technical scheme: a kind of microstrip substrate formula binodal circulator described in the utility model, comprise base, ferrite substrate, microstrip circuit and permanent magnet, wherein ferrite substrate is fixed on the base, described microstrip circuit is arranged on described ferrite substrate upper surface, it is characterized in that, also comprise potsherd and radio-frequency resistance chip, described potsherd is positioned on the microstrip circuit, described potsherd works to regulate permanent magnet intensity, described permanent magnet is glued on the potsherd by epoxy resin, described radio-frequency resistance chip is connected with a pin of microstrip circuit, and described radio-frequency resistance chip is used for the absorbing microwave signal.
Further, described microstrip circuit is electroplated at described ferrite substrate upper surface by photoetching technique.
Further, described radio-frequency resistance chip is welded on the base by solder(ing) paste, pin welding, better an absorbing microwave signal of the solder joint of radio-frequency resistance chip and microstrip circuit.
Further, described permanent magnet is the samarium cobalt permanent magnet body, and described base is made by magnetic metal materials processing, is preferably the alloy of iron or iron.
Further, the central axis overlaid of the disk of the central axis of the central axis of described permanent magnet, potsherd and microstrip circuit.
Technique scheme guarantees permanent magnet longitudinal magnetized ferrite substrate; the magnetization of ferrite substrate edge evenly; ground connection is good; and because the thermal coefficient of expansion of base and ferrite substrate is suitable; can when welding, protect ferrite substrate; reduce the risk that causes the ferrite substrate cracking owing to welding, improved the reliability of product.
Simultaneously, described ferrite substrate upper surface is taked polishing, utilizes chemical method degreasing and foreign particle, and the physical method effects on surface activates, removes absorption, guarantees the adhesive force of circuit rete.
Above-mentioned microstrip substrate formula binodal circulator is applicable to surface mounting technology, and is connected with microwave circuit by the gold wire bonding technology.
The utility model compared with prior art, its beneficial effect is: microstrip substrate formula binodal circulator described in the utility model, it is simple in structure, volume is little, lightweight, is applicable to surface mount and microcircuit is integrated, and frequency range is higher.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram after the utility model assembling.
The mark implication of accompanying drawing is as follows:
1: base; 2: ferrite substrate; 3: microstrip circuit; 4: the radio-frequency resistance chip; 5: potsherd; 6: permanent magnet.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection range of the present utility model is not limited to described embodiment.
As illustrated in fig. 1 and 2, a kind of microstrip substrate formula binodal circulator, comprise iron-nickel alloy base 1, ferrite substrate 2, microstrip circuit 3, radio-frequency resistance chip 4, two potsherds 5 and two samarium cobalt permanent magnet bodies 6, described microstrip circuit 3 is electroplated at described ferrite substrate 2 upper surfaces by photoetching technique, described radio-frequency resistance chip 4 is welded on the base 1 by solder(ing) paste, the solder joint of radio-frequency resistance chip 4 links to each other by the solder(ing) paste welding and with a pin of microstrip circuit 3, described potsherd 5 is glued on the microstrip circuit 3 by epoxy resin, the central axis overlaid of the disk of the central axis of described potsherd 5 and microstrip circuit 3, described samarium cobalt permanent magnet body 6 is glued on the potsherd 5 by epoxy resin, the central axis overlaid of the central axis of described samarium cobalt permanent magnet body 6 and potsherd 5, described ferrite substrate 2 is welded on the iron-nickel alloy base 1 by solder(ing) paste.
Described ferrite substrate 2 Curie temperature are high, and temperature stability is good, and the thickness of attenuate substrate can make circulator work in frequency range simultaneously.
Described microstrip substrate formula binodal circulator is applicable to surface mounting technology, and is connected with microwave circuit by the gold wire bonding technology.
The key technical indexes of above-mentioned circulator such as following table:
| Frequency range | 8-12GHz |
| Forward loss | ≤0.5dB（2-1）≤1.0dB（1-3） |
| Reverse isolation | ≥30dB（3-1）≥16dB（3-2）≥12dB（2-1） |
| Standing-wave ratio | ≤1.5 |
| Temperature range | -55℃～+85℃ |
| Joint form | W→W |
| Overall dimension | 10.5×11×3.8mm |
As mentioned above, although the specific preferred embodiment of reference has represented and has explained the utility model that it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (5)
1. microstrip substrate formula binodal circulator, comprise base, ferrite substrate, microstrip circuit and permanent magnet, wherein ferrite substrate is fixed on the base, described microstrip circuit is arranged on described ferrite substrate upper surface, it is characterized in that also comprise potsherd and radio-frequency resistance chip, described potsherd is positioned on the microstrip circuit, described permanent magnet is glued on the potsherd, and described radio-frequency resistance chip is connected with a pin of microstrip circuit.
2. microstrip substrate formula binodal circulator according to claim 1 is characterized in that, described microstrip circuit is electroplated at described ferrite substrate upper surface by photoetching technique.
3. microstrip substrate formula binodal circulator according to claim 1 is characterized in that described radio-frequency resistance chip is welded on the base by solder(ing) paste, a pin welding of the solder joint of radio-frequency resistance chip and microstrip circuit.
4. microstrip substrate formula binodal circulator according to claim 1 is characterized in that described permanent magnet is the samarium cobalt permanent magnet body, and described base is the magnetic metal material.
5. any one described microstrip substrate formula binodal circulator in 4 according to claim 1 is characterized in that the central axis overlaid of the disk of the central axis of described permanent magnet, the central axis of potsherd and microstrip circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320223191 CN203260705U (en) | 2013-04-27 | 2013-04-27 | Microstrip substrate type bimodal circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320223191 CN203260705U (en) | 2013-04-27 | 2013-04-27 | Microstrip substrate type bimodal circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203260705U true CN203260705U (en) | 2013-10-30 |
Family
ID=49473245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320223191 Expired - Fee Related CN203260705U (en) | 2013-04-27 | 2013-04-27 | Microstrip substrate type bimodal circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203260705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167584A (en) * | 2014-08-13 | 2014-11-26 | 杭州电子科技大学 | Thin film circulator integrating micro-strip and manufacturing method thereof |
-
2013
- 2013-04-27 CN CN 201320223191 patent/CN203260705U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167584A (en) * | 2014-08-13 | 2014-11-26 | 杭州电子科技大学 | Thin film circulator integrating micro-strip and manufacturing method thereof |
| CN104167584B (en) * | 2014-08-13 | 2017-04-12 | 杭州电子科技大学 | Thin film circulator integrating micro-strip and manufacturing method thereof |
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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: 20131030 Termination date: 20190427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |