GB837708A - High-power resonance absorption isolator - Google Patents
High-power resonance absorption isolatorInfo
- Publication number
- GB837708A GB837708A GB1711157A GB1711157A GB837708A GB 837708 A GB837708 A GB 837708A GB 1711157 A GB1711157 A GB 1711157A GB 1711157 A GB1711157 A GB 1711157A GB 837708 A GB837708 A GB 837708A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slabs
- guide
- pole
- pieces
- resonance
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
- H01P1/365—Resonance absorption isolators
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
837,708. Waveguide isolators. HUGHES AIRCRAFT CO. May 29, 1957, No. 17111/57. Class 40 (8). A resonance absorption isolator comprises one or a pair of ferrite slabs 18, 20 each arranged in a rectangular waveguide midway between the centre-line of a broad wall and the edge with a flat side contiguous to the wall. The pole pieces 22, 24 of an electromagnet or a permanent magnet 26 are arranged to produce in the slabs a transverse field having an intensity distribution 30, Fig. 5, such that gyroresonance is effected within the slabs over a range of frequencies including the working frequency. The direction of the field is such that resonance is excited by the return wave within the guide, i.e. the wave reflected from load to source. The maximum field intensity occurs at the point in the guide where the magnetic vector of the wave is circularly polarized and decreases to a value insufficient to produce resonance at the centre line of the guide. The edges of the pole-pieces 22, 24 lie within slots in the waveguide walls. The ferrite slabs do not completely cover the faces of the pole-pieces. It is stated that by using three different magnetic materials all having Curit temperatures of about 600‹ C. in the magnetic circuit, the characteristics of the isolator may be prevented from variation with temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1711157A GB837708A (en) | 1957-05-29 | 1957-05-29 | High-power resonance absorption isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1711157A GB837708A (en) | 1957-05-29 | 1957-05-29 | High-power resonance absorption isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB837708A true GB837708A (en) | 1960-06-15 |
Family
ID=10089440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1711157A Expired GB837708A (en) | 1957-05-29 | 1957-05-29 | High-power resonance absorption isolator |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB837708A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3142026A (en) * | 1961-07-05 | 1964-07-21 | Bell Telephone Labor Inc | Broadband resonance gyromagnetic absorption isolator with magnetic field of increased strength toward narrow wall |
-
1957
- 1957-05-29 GB GB1711157A patent/GB837708A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3142026A (en) * | 1961-07-05 | 1964-07-21 | Bell Telephone Labor Inc | Broadband resonance gyromagnetic absorption isolator with magnetic field of increased strength toward narrow wall |
| DE1257908B (en) * | 1961-07-05 | 1968-01-04 | Western Electric Co | Broadband, non-reciprocal damping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2776412A (en) | Magnetic system for microwave components | |
| GB753128A (en) | Improvements in or relating to ultra-high-frequency amplifiers | |
| Toda | Propagation in a solid state plasma waveguide in a transverse magnetic field | |
| GB801831A (en) | Improvements in or relating to wave guide switches | |
| GB837708A (en) | High-power resonance absorption isolator | |
| US2958045A (en) | anderson | |
| Milano et al. | Spin-wave instabilities in a microwave magnetic field applied parallel to the dc field | |
| GB820631A (en) | Improvements relating to the use of ferrite members in microwave conductors | |
| US3063027A (en) | High power microwave isolator | |
| US3100288A (en) | Ferrite isolator utilizing aligned crystals with a specific anisotropy constant | |
| US3247472A (en) | Microwave devices exhibiting mode conversion using a resonantly biased gyromagnetic material | |
| GB1190547A (en) | Improvements in Electrical Waveguide Arrangements | |
| GB989309A (en) | Improvements in microwave isolators | |
| US2985851A (en) | Unidirectional waveguide attenuator | |
| GB803621A (en) | Improvements in or relating to electromagnetic wave devices | |
| GB971019A (en) | Waveguide gyromagnetic resonance isolator | |
| US2950442A (en) | Passive signal intensifier | |
| US3327251A (en) | Resonance isolator reciprocally absorbing second harmonic power | |
| GB1250720A (en) | ||
| Helszajn et al. | Simplified theory of nonlinear phenomena in ferrimagnetic materials | |
| US3296519A (en) | Ultra high frequency generating apparatus | |
| Robinson | Broad-Band Hybrid Junctions (Correspondence) | |
| Melchor et al. | Temperature effects in microwave ferrite devices | |
| GB1028705A (en) | Non-reciprocal wave-guide | |
| US3356929A (en) | Microwave devices utilizing eu-fe garnet containing ga |