GB873970A - Improvements in or relating to waveguide filters - Google Patents
Improvements in or relating to waveguide filtersInfo
- Publication number
- GB873970A GB873970A GB4306759A GB4306759A GB873970A GB 873970 A GB873970 A GB 873970A GB 4306759 A GB4306759 A GB 4306759A GB 4306759 A GB4306759 A GB 4306759A GB 873970 A GB873970 A GB 873970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- posts
- waveguide
- cavities
- compensating
- metallic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
873,970. Waveguide filters. MARCONI'S WIRELESS TELEGRAPH CO. Ltd. May 24, 1960 [Dec. 18, 1959], No. 43067/59. Class 40(8) A waveguide band-pass filter consists of a number of resonant cavities C defined by inductive posts 3 and coupled by quarter-wave sections having compensating posts 4. The posts 3, 4 may be on the axis of the waveguide or may be off-set. Transverse rows of posts may replace single posts. The compensating posts 4 are situated half-way along the coupling sections and serve to steepen the sides of the band-pass characteristic. The cavities may be tuned by means of ganged plungers 5 of metallic or dielectric material. Opposite each plunger 5 is a metallic or dielectric insert 6 which are adjusted to line-up the cavities and then locked in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4306759A GB873970A (en) | 1959-12-18 | 1959-12-18 | Improvements in or relating to waveguide filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4306759A GB873970A (en) | 1959-12-18 | 1959-12-18 | Improvements in or relating to waveguide filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB873970A true GB873970A (en) | 1961-08-02 |
Family
ID=10427172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4306759A Expired GB873970A (en) | 1959-12-18 | 1959-12-18 | Improvements in or relating to waveguide filters |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB873970A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1278033B (en) * | 1962-03-16 | 1968-09-19 | Microwave Dev Lab Inc | Microwave band pass arrangement |
| CN109244619A (en) * | 2018-11-02 | 2019-01-18 | 江苏贝孚德通讯科技股份有限公司 | Fold cavity coated by dielectric tunable filter, duplexer |
-
1959
- 1959-12-18 GB GB4306759A patent/GB873970A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1278033B (en) * | 1962-03-16 | 1968-09-19 | Microwave Dev Lab Inc | Microwave band pass arrangement |
| CN109244619A (en) * | 2018-11-02 | 2019-01-18 | 江苏贝孚德通讯科技股份有限公司 | Fold cavity coated by dielectric tunable filter, duplexer |
| CN109244619B (en) * | 2018-11-02 | 2024-05-10 | 江苏贝孚德通讯科技股份有限公司 | Folding cavity medium loading adjustable filter and duplexer |
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