| 单词 | clamping circuit |
| 释义 | > as lemmasclamping circuit b. A method of adjusting and maintaining the positive or negative limits of a waveform. Frequently attributive, as clamping circuit. Cf. clamp v.1 1c. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > operation of electronic devices > [noun] > maintaining waveform clamping1944 1944 J. W. Sherwin in Mass. Inst. Techn., Radiation Lab., Rep. 572 (title) Clamping tubes. 1947 D. G. Fink Radar Engin. xi. 574 A clamping circuit of two triode tubes is connected conductively to the grid of each deflection amplifier tube. The clamping tubes are connected in series. 1947 L. J. Haworth in L. N. Ridenour Radar System Engin. xiii. 504 During each positive excursion of A the resistance extracts a small charge, which is replaced by the diode on the negative excursion. The clamping can be done at the positive extreme by reversing the diode. 1961 G. Millerson Technique Television Production iii. 50 Electronic clamping circuits reduce the wide variation in picture tones that an unsteady datum produces. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors xvi. 389 Clamping may be defined quite generally as the stabilization of the output voltage or current of a transistor switch by a sudden change of impedance, produced by an additional circuit device at one of the transistor electrodes. < as lemmas |
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