| 单词 | saw-tooth wave-form |
| 释义 | > as lemmassaw-tooth wave-form c. Electronics. A wave-form showing a slow linear rise and rapid linear fall, or the reverse; a voltage or current varying in this way. Usually attributive, as saw-tooth generator, saw-tooth wave-form. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [adjective] > of specific waveform CW1920 saw tooth1933 ramp1945 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > waveform > types of waveform saw tooth1933 bias1941 square wave1944 ramp1945 1933 Proc. IRE 21 1666 The variation of intensity of both horizontal and vertical deflecting fields plotted against time is of a ‘saw-tooth’ shape. 1935 M. G. Scroggie Television iv. 37 The sudden charge of the condenser, followed by a slower discharge, yields a saw-tooth wave-form. 1940 V. K. Zworykin & G. A. Morton Television xv. 473 If the complete sawtooth..is a modulation, the shape will be keystoned. 1942 Electronic Engin. 14 666/2 The time-base circuit is..adapted for single sweep operation and the saw-tooth generated can be expanded symmetrically with respect to the centre of the tube. 1947 R. Lee Electronic Transformers & Circuits ix. 251 Probably the most common application of sawtooth amplifier transformers is to provide a linear sweep to horizontal plates of a cathode ray oscilloscope. 1969 J. J. Sparkes Transistor Switching iii. 63 All sawtooth-wave generators integrate a constant voltage or current with respect to time. < as lemmas |
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