Broadband superheterodyne tracking circuits for millimeter‐wave measurements
Superheterodyne stimulus‐response measurements can be made with high dynamic range, but are often sensitive to oscillator frequency drift and noise. The usual techniques for reducing this sensitivity often become impractical at millimeter‐wave frequencies and above. This paper describes a feedforwar...
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| Veröffentlicht in: | Rev. Sci. Instrum.; (United States) 1980-03, Vol.51 (3), p.317-320 |
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| container_title | Rev. Sci. Instrum.; (United States) |
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| creator | Doane, J. L. |
| description | Superheterodyne stimulus‐response measurements can be made with high dynamic range, but are often sensitive to oscillator frequency drift and noise. The usual techniques for reducing this sensitivity often become impractical at millimeter‐wave frequencies and above. This paper describes a feedforward tracking technique and its application to single frequency millimeter‐wave interferometry and Doppler‐shift scattering measurements on tokamak plasmas. Swept frequency transmission measurements can also be made with high dynamic range using this technique. |
| doi_str_mv | 10.1063/1.1136209 |
| format | Article |
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L.</creatorcontrib><creatorcontrib>Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08540</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Rev. Sci. Instrum.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Doane, J. L.</au><aucorp>Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08540</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Broadband superheterodyne tracking circuits for millimeter‐wave measurements</atitle><jtitle>Rev. Sci. 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| identifier | ISSN: 0034-6748 |
| ispartof | Rev. Sci. Instrum.; (United States), 1980-03, Vol.51 (3), p.317-320 |
| issn | 0034-6748 1089-7623 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1136209 |
| source | AIP Digital Archive |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700102 - Fusion Energy- Plasma Research- Diagnostics CLOSED PLASMA DEVICES DOPPLER EFFECT ELECTROMAGNETIC RADIATION ELECTRONIC CIRCUITS ELECTRONIC EQUIPMENT HETERODYNE RECEIVERS INTERFEROMETRY MICROWAVE EQUIPMENT MICROWAVE RADIATION NOISE PLASMA PLASMA DIAGNOSTICS RADIATIONS RADIO EQUIPMENT SCATTERING SENSITIVITY THERMONUCLEAR DEVICES TOKAMAK DEVICES WAVELENGTHS |
| title | Broadband superheterodyne tracking circuits for millimeter‐wave measurements |
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