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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Flory, C.A. Taber, R.C. |
| Copyright Year | 1993 |
| Description | Author affiliation: Hewlett-Packard Lab., Palo Alto, CA, USA (Flory, C.A.; Taber, R.C.) |
| Abstract | Progress is reported on efforts to develop a commercially viable high-purity X-band signal source incorporating a cryogenic sapphire dielectric resonator. The resonator design is of the whispering gallery type to take advantage of the excellent electromagnetic field confinement offered by this geometry. Complications resulting from the high spurious mode density of this type of resonator have been eliminated by developing a very accurate and complete mode analysis program which fully incorporates the dielectric anisotropies of the sapphire ring. This program allows the design of a window in the frequency domain where no unwanted modes exist, with accurate placement of the desired mode at the center of this region. The phase noise properties of simple oscillators incorporating these resonators have been evaluated. Two-oscillator phase noise comparison measurements have yielded extremely encouraging results.< |
| Starting Page | 763 |
| Ending Page | 773 |
| File Size | 872045 |
| Page Count | 11 |
| File Format | |
| ISBN | 0780309057 |
| DOI | 10.1109/FREQ.1993.367475 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1993-06-02 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Microwave oscillators Cryogenics Dielectrics Phase noise Electromagnetic fields Geometry Anisotropic magnetoresistance Frequency domain analysis Noise measurement Phase measurement |
| Content Type | Text |
| Resource Type | Article |
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