| 单词 | air capacitor |
| 释义 | > as lemmasair capacitor air capacitor n. Electronics a capacitor that has air as the dielectric and hence has a small dielectric loss, used esp. for tuning radio-frequency circuits. ΚΠ 1926 Jrnl. Amer. Inst. Electr. Engineers 45 746/1 The usual methods of application are: (1) The compensated dynamometer wattmeter method, with air capacitor. 1939 Nature 9 Sept. 458/2 The mica capacitor was compared by alternating current with an air capacitor, the capacitance of which can be evaluated in terms of resistance and time. 2003 R. L. Goodman How Electronic Things Work (ed. 2) i. 11 The tuned circuit..shows a variable air capacitor with a small trimmer capacitor across it, as used in a radio to select the various station frequencies. < as lemmas |
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