| 单词 | grid-dip meter |
| 释义 | > as lemmasgrid-dip meter grid-dip meter n. a calibrated valve oscillator used as a frequency meter, resonance of the tank circuit of the oscillator with the resonant circuit under test being indicated by a drop in the grid current of the valve. ΚΠ 1959 K. Henney Radio Engin. Handbk. (ed. 5) xiv. 11 Grid-dip meters... The grid current of an oscillator will ‘dip’ slightly as the wavemeter is tuned through the operating frequency. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors xiv. 355 It is possible to measure the input and output impedances [of the transistor] in such a case with the aid of a signal generator and a grid-dip meter. < as lemmas |
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