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单词 in push-pull
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in push-pull
A push-pull arrangement or state, esp. (Electronics) in an amplifier (frequently in in push-pull); a state of tension.In quot. 1925 referring to an arrangement of oppositely mounted propellers.
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the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > input or output > specific arrangement or state
push-pull1925
1925 Science 20 Mar. p xiii/2 (advt.) ‘Hy-speed’ mixers with ‘push-pull’.
1929 Exper. Wireless June 307/1 A pair of valves, (or banks of valves), working in opposite phase, commonly called ‘Push-pull’.
1948 A. L. Albert Radio Fund. ix. 360 Radio-frequency power amplifiers often are operated in push-pull.
1962 Listener 7 June 1006/2 One could not help speculating on the strange symbiosis or state of push-pull—call it what you like—which exists between him and his age.
1975 G. J. King Audio Handbk. iv. 83 The output stages of hi-fi amplifiers employ two transistors in push-pull.
1989 New Yorker 18 Sept. 102/3 The rest of ‘Sea of Love’ is a series of variations on the push-pull of this first encounter.
1990 D. St. J. Thomas BR in Eighties (BNC) 34 A spare Class 73 locomotive converted to push-pull.
1991 Electronics World & Wireless World (BNC) Sept. 792 There were two MHL4s driving a pair of PX4s in push-pull.
2004 Vanity Fair (N.Y.) June 126/3 For Berlusconi (and cronies) the judicial system is just the push-pull of public life.
extracted from push-pulladj.n.adv.
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