| 单词 | direct-coupled |
| 释义 | > as lemmasdirect-coupled direct-coupled adj. (a) coupled without an intermediate transmission device; (b) applied to two electrical circuits coupled by means of one or more resistors, capacitors, or inductors common to them both; also to an amplifier in which the signal path from one stage to the next contains only a resistor (or no circuit element at all), so that d.c. signals can be amplified. ΚΠ 1901 Feilden's Mag. 4 441/2 A direct-coupled electrically-driven fan. 1910 G. W. Pierce Princ. Wireless Telegr. 96 Direct coupled transmitting and receiving circuits. 1953 F. Langford-Smith Radio Designer's Handbk. (ed. 4) xii. 529 A direct-coupled amplifier is one which the plate of one stage is connected to the grid of the next stage directly, or through a biasing battery or equivalent. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors ix. 214 Another very useful direct-coupled amplifier is the Darlington compound connection. < as lemmas |
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