| 单词 | schmitt trigger |
| 释义 | > as lemmasSchmitt trigger 1. attributive and in the genitive. Designating a circuit in which the output voltage is high whenever the input is above one threshold, low when below another, and does not change from its previous value when varying between the two, developed by Otto Herbert Schmitt; as Schmitt circuit, Schmitt trigger, etc. Cf. trigger circuit n. at trigger n.1 Compounds 2. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > trigger circuit trigger circuit1938 Schmitt1943 trigger1945 1943 O. S. Puckle Time Bases iv. 57 (heading) Schmitt's trigger circuit. 1946 Jrnl. Inst. Electr. Engineers 93 iiia. 306/1 Positive feedback can be used to reduce the effective grid base, or even to make it negative... [Note] This is the ‘Schmitt circuit’. 1953 L. W. Von Tersch & A. W. Swago Recurrent Electr. Transients viii. 272 If both plate-to-grid coupling and cathode coupling are utilized another trigger circuit is obtained. This circuit is called the Schmitt trigger circuit. 1985 Neurophysiol. 17 203 Action potentials of the neuron were led from the amplifier to a Schmitt's trigger. 2000 P. Scherz Pract. Electronics for Inventors ix. 270 Schmitt triggers are used to transform slowly changing input waveforms into sharply defined, jitter-free output waveforms. < as lemmas |
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