CN2089659U - General wave guide cavity for microwave and millimeter wave semiconductor device - Google Patents
General wave guide cavity for microwave and millimeter wave semiconductor device Download PDFInfo
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- CN2089659U CN2089659U CN 91200827 CN91200827U CN2089659U CN 2089659 U CN2089659 U CN 2089659U CN 91200827 CN91200827 CN 91200827 CN 91200827 U CN91200827 U CN 91200827U CN 2089659 U CN2089659 U CN 2089659U
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Abstract
The utility model provides a general wave guide cavity for a microwave and millimeter wave semiconductor device, comprising a plate cavity body, a coupling component, a solid component base and an adjusting plate, wherein, the dimensions of the plate cavity body are general, the coupling component and the solid component base are different-directional arranged, and the coupling rod portion is parallel to the wave guide wide edge. The utility model alters the traditional design, and the utility model replaces one component one cavity structure with a general cavity structure or replaces a continuous adjustable mechanism with one or a plurality of adjusting plates. The utility model has the advantages of strong versatility, high reliability, small size, convenient adjustment and low cost.
Description
The utility model belongs to communication technique field, relates to general wave-beam guide unit (device) part that microwave, millimere-wave band are used.
The design of traditional microwave and millimeter wave semiconductor device all is to adopt a kind of structure Design method of a kind of device.Be characterized in:
1. the coupling of the feed of solid-state components and waveguide all adopts the insulation conducting rod that is parallel to the Narrow Wall of Waveguide limit to finish, and in order to adjust the Best Coupling state, need adopt some adjustable mechanisms toward contact;
2。But adopted short-circuiting device or fixing short board to provide terminal required reactance;
3. adopt adjustable screw or fixing impedance transformer to carry out input impedance matching.
The existing shortcoming of this quasi-tradition structure is:
1. adopt fixed structure thereby do not have versatility, be difficult to satisfy variety classes solid-state element or provided as one homogeneous element characteristic and disperse desired different coupling condition;
2. solid-state element and coupling bar are press contacts, reliability and poor heat stability;
3. employing adjustable structure, size is big, complex structure, processing difficulties.
At the shortcoming that prior art exists, the purpose of this utility model is to change traditional design philosophy, and a kind of highly versatile is provided, reliability height, subminiature microwave and millimere-wave band semiconductor device general wave-beam guide cavity.
The utility model purpose is achieved in that and is provided with male part and solid-state components seat in the sheet die cavity body, the external adjustment sheet that is connected to of sheet die cavity.Wherein, the size of sheet die cavity body is general, and a wave band is a kind of, and male part becomes incorgruous setting with the solid-state components seat, and male part is parallel with the waveguide broadside, and part or all of coupling bar is parallel with the waveguide broadside in the male part.The adjustment sheet that is connected on the sheet die cavity body can be one or more, is combined into different-thickness, satisfying different needs, and the use that also can a plurality ofly link together of sheet die cavity body.That is: replace cavity body structure of a kind of device with sheet type microminiature cavity body structure, replace continuous adjustable mechanism with one or more adjustment sheets with fixed dimension.
The utility model has the advantages that:
1. highly versatile.Nearly all microwave and millimeter wave semiconductor device such as various solid-state oscillator inject amplifier, varactor electricity accent source, first-harmonic and harmonic mixer, wave detector, upper and lower frequency converter, modulator, amplitude limiter, frequency multiplier, all available same cavity body structure of solid-state noise source or the like is realized.
2. reliability height.Owing to there is not movable members, semiconductor element all can weld easily, and reliability greatly improves;
3. volume is little.The size of having only 2-3 standard flange than the little 1-3 of traditional volume doubly, is a volume minimum in the present similar products at home and abroad;
4. debugging is convenient.Only change the state of solid-state components seat, the state of semiconductor element in waveguide changed and need not transfer other parts;
5. simple in structure, cost is low.Processing and debugging man-hour and necessary acknowledgment copy greatly reduce, concerning a kind of microwave device, but saving working hour 20-40%, concerning the device of seriation, machining kinds reduces 4-5 doubly, and clamping apparatus quantity reduces 2-3 doubly, and production cost is minimum to reduce by 1 times.
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1. a kind of structural representation of the present utility model.Wherein, 1-male part, 2-solid-state components seat, 3-sheet die cavity body, 4-coupling bar, 5-solid-state components, 6-waveguide phase plate, 7-adjustable diaphragm, 8-short-circuit piece, 9-cross bar.
Waveguide phase plate 6, adjustable diaphragm 7, short-circuit piece 8, general designation adjustment sheet.The thickness of waveguide phase plate 6 is the 0.1-1/4 wavelength, the 3-5 kind.The window of adjustable diaphragm 7 can be made difformity and size, each wave band 3-5 kind, and can move up and down.Combination by the waveguide phase plate 6 and the adjustable diaphragm 7 of standard provides required matched impedance of device and terminal impedance, like this, has both satisfied versatility, has adjustability and small size again.
In sheet die cavity body 3, be provided with two male parts 1 and two solid-state components seats 2,2 one-tenth vertical direction settings of male part 1 and solid-state components seat, male part 1 is parallel with the waveguide broadside.The part of coupling bar 4 is parallel with the waveguide broadside, and coupling bar 4 can weld together with solid-state components 5.Respectively insert a waveguide phase plate 6 on sheet die cavity body 3 both sides, cavity 3 waveguide phase plate 6 back on one side connect standard short-circuit piece 8.Connect adjustable diaphragm 7 before the waveguide phase plate 6 of cavity 3 another sides.These sheet components link together with 4 cross bars 9.If desired, can add electromagnetic wave absorbent material in the waveguide phase plate 6.During use, can be according to different components, different-waveband, decision inserts the number of sheet die cavity body, adjustment sheet, solid-state components seat and male part.A plurality of similar or dissimilar solid-state components can be installed in same cavity.
Fig. 2. a kind of structural representation of the utility model male part 1.Wherein, the 4-coupling bar, it and sheet die cavity body 3 insulate, and 10-biasing or medium and low frequency input, delivery are that scolder and coupling bar more than 400 ℃ welds with fusing point.This part also can make the cable joint seat, connects with cable.11-ground connection shell, 12-is dielectric fixedly, guarantees about 1-5PF of electric capacity or 1000-2000PF between biasing or medium and low frequency input, delivery and the ground connection shell.The 13-electromagnetic wave absorb, the 14-insulating case.
Fig. 3. a kind of structural representation of the utility model solid-state components seat 2.Wherein, the 5-solid-state components can be welded on the component holder 2 easily.The adjustable dop of 15-rotates dop solid-state components are moved.The 16-holder can make solid-state components seat 2 be fixed on the sheet die cavity body 3.The 17-holding screw.
Fig. 4. a kind of structural representation of the utility model sheet die cavity body 3.Wherein, 18-connection holes
Embodiment:
Fig. 5. full range band wave detector.Wherein, 1-wiring pillar male part, 2-solid-state components seat, general die cavity body of 3-, 5-detection tube, 6-waveguide phase plate, the general short board of 8-.
Fig. 6. the single-ended harmonic mixer of full range band:
Only need general male part 1 is changed into cable connector type, changed detection tube into mixer tube and get final product by the wiring pillar of Fig. 5.
Fig. 7. full range band both-end harmonic mixer:
On the basis of Fig. 6, local oscillator (LO) and intermediate frequency (IF) interface are got final product by the input of waveguide both sides respectively, this moment, mixer tube can be with one also available two.Between local oscillator and the intermediate frequency coupling bar coupling capacitance is arranged, its size is about IPF.
Fig. 8. single-ended fundamental wave mixing device:
Only need transfer adjustable diaphragm 7 up and down and change waveguide phase plate 6 thickness and can make single-ended fundamental wave mixing device.Total is screwed on input waveguide.Other is the same.
Fig. 9. the microminiature solid-state oscillator:
Same Fig. 5 just changes detection tube into the Gunn pipe, U be isolator (can), T is the frequency trim screw, the 7-adjustable diaphragm.
Figure 10. the steady oscillator in low phase noise chamber:
Compare with Fig. 9, just change short-circuit piece 8 into high Q value resonant cavity.The distance L of resonant cavity coupling aperture end face and transistor central cross-section is about the quarter-wave guide wavelength, and its advantage is the f to the steady oscillator in chamber
+Pattern has inhibitory action, and this is the steady oscillator in this patent embodiment chamber and other existing similar products or reported in literature difference, and they all adopt the L value of 1/2nd guide wavelengths.
Figure 11. the varactor electricity is transferred solid-state oscillator:
Same Fig. 9 just 1,2 respectively has two herein, and the 01st, varactor, the 02nd, Gunn or Impatt pipe.
Claims (8)
1, a kind of general wave-beam guide cavity that is used for microwave and millimeter wave semiconductor device is provided with male part 1 and solid-state components seat 2 in the sheet die cavity body 3, and sheet die cavity body 3 is circumscribed with adjustment sheet, it is characterized in that:
(1) size of sheet die cavity body 3 is general, and a wave band is a kind of,
(2) 2 one-tenth incorgruous settings of male part 1 and solid-state components seat, male part 1 is parallel with sheet die cavity body broadside,
(3) part or all of contained coupling bar 4 is parallel with the waveguide broadside in the male part 1.
2, general wave-beam guide cavity as claimed in claim 1 is characterized in that as required, can settle one or more male parts 1 and solid-state components seat 2 in the sheet die cavity body 3, sheet die cavity body 3 use that also can a plurality ofly link together.
3, general wave-beam guide cavity as claimed in claim 1, it can be one or more it is characterized in that being connected on sheet die cavity body 3 outer adjustment sheets.
4, general wave-beam guide cavity as claimed in claim 1 is characterized in that can being provided with on the said solid-state components seat 2 the adjustable dop 15 that solid-state components 5 are rotated.
5, as claim 1,2 described general wave-beam guide cavitys, it is characterized in that said adjustment sheet, comprise waveguide phase plate 6, adjustable diaphragm 7, short-circuit piece 8.
6, general wave-beam guide cavity as claimed in claim 5 is characterized in that having on the adjustable diaphragm 7 aperture of position adjustable.
7,, it is characterized in that said die cavity body 3 and adjustment sheet can be bound up with several cross bars 9 as claim 1,2 described general wave-beam guide cavitys.
8,, it is characterized in that said die cavity body 3 and adjustment sheet can be bound up with several cross bars 9 as claim 3,5 described general wave-beam guide cavitys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91200827 CN2089659U (en) | 1991-01-14 | 1991-01-14 | General wave guide cavity for microwave and millimeter wave semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91200827 CN2089659U (en) | 1991-01-14 | 1991-01-14 | General wave guide cavity for microwave and millimeter wave semiconductor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2089659U true CN2089659U (en) | 1991-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91200827 Expired - Lifetime CN2089659U (en) | 1991-01-14 | 1991-01-14 | General wave guide cavity for microwave and millimeter wave semiconductor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2089659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882484A (en) * | 2012-09-28 | 2013-01-16 | 中国舰船研究设计中心 | High-power microwave amplitude limiter |
| WO2021094882A1 (en) | 2019-11-11 | 2021-05-20 | Thwaite Jasper | A trapdoor safety device |
-
1991
- 1991-01-14 CN CN 91200827 patent/CN2089659U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882484A (en) * | 2012-09-28 | 2013-01-16 | 中国舰船研究设计中心 | High-power microwave amplitude limiter |
| WO2021094882A1 (en) | 2019-11-11 | 2021-05-20 | Thwaite Jasper | A trapdoor safety device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |