| 单词 | padder condenser |
| 释义 | > as lemmaspadder condenser 3. Electronics. A capacitor (usually adjustable) connected in series in a tuned circuit in order to improve the tracking with another tuned circuit at low frequencies when the tuning of the two circuits is ganged (as in a superheterodyne). Also padder capacitor, padder condenser. Cf. trimmer n. 10. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > adjustable capacitor air condenser1878 trimmer capacitor1930 padding condenser1935 padder capacitor1936 padding capacitor1970 1936 J. H. Reyner Testing Radio Sets (ed. 3) xiii. 190 (in figure) Padder. 1939 H. J. Hicks Princ. & Pract. Radio Servicing ii. 21 C10, C11, C12 and C13 are the trimmer and padder condensers employed in the oscillator circuit to make it track with the r.f. tuning condenser. 1971 A. Margolis Mod. Radio Repair Techniques vi. 82 To maintain the tracking difference, a smaller oscillator coil and padder capacitor is added to the circuit. 1985 Radio & Electronics World Mar. 46/1 The padder will control the maximum value of the combination [of capacitors] and be most effective at the lower [frequency] end of the [tuning] range. < as lemmas |
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