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单词 rhumbatron
释义

rhumbatronn.

Brit. /ˈrʌmbətrɒn/, U.S. /ˈrəmbəˌtrɑn/
Forms: 1900s– rhumbatron, 1900s– rumbatron.
Origin: A borrowing from Greek, combined with an English element. Etymons: Greek ῥύμβος , -tron suffix.
Etymology: Irregularly < ancient Greek ῥύμβος, ῥόμβος whirling motion (see rhombus n.) + -tron suffix.
Electronics. Now historical.
Each of two cavity resonators in a klystron, the first of which uses a high-frequency voltage to cause bunching of an electron beam, and the second of which uses this beam to induce a larger high-frequency voltage.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > electron tubes > [noun] > buncher > other bunchers
rhumbatron1936
klystron1939
1936 Sci. News Let. 19 Sept. 179/3 A new high efficiency radio oscillating circuit..has been developed at Stanford University by Dr. William Hansen... The apparatus, known by members of the physics department as the ‘rumbatron’, consists of [etc.].
1939 R. H. Varian & S. F. Varian in Jrnl. Appl. Physics 10 322/1 In our laboratory, these have been called ‘rhumbatrons’.
1947 Electronic Engin. 19 149/1 The whole of the exterior of each rhumbatron and the drift-tube itself are constantly at r.f. earth potential.
2001 T. Shinn in B. Joerges & T. Shinn Instrumentation between Sci., State & Industry v. 91 Hansen..re-embedded technical aspects of his rumbatron into the Stanford University linear accelerator.
2006 C. Lécuyer Making Silicon Valley (2007) ii. 56 When the rhumbatron was of the right size, it could resonate at microwave frequency.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1936
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