英语词汇“slide-back”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

slide-back n.

Brit.

/ˈslʌɪdbak/

U.S.

/ˈslaɪdˌbæk/

Electronics the alteration of the grid bias of a thermionic valve which is necessary to restore the anode current to zero after the application of a signal voltage to the grid; apparatus to measure this alteration, frequently as an indirect measure of the signal voltage.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > grid > alteration of grid bias

slide-back1925

1925 Year-bk. Wireless Telegr. 847 When a control room is some distance from the transmitter it is usual to install a valve voltmeter with a slideback which either measures the voltage across the output of the main amplifier or indicates when a certain voltage is exceeded.

1930 B.B.C. Year-bk. 451/2 Slide back, an apparatus for indicating in the control room of a broadcasting station the presence of a grid current (and hence distortion) in the modulation system of the transmitter.

1931 B.B.C. Year-bk. 1932 356 The ‘slide-back’..consisted of a valve or similar device so biassed that no indication occurred until there was present and superimposed upon the bias a voltage greater than, and opposing in phase, the biassing voltage.

1965 Wireless World July 19 (advt.) Slide-back measurement of time and amplitude by means of directly-calibrated shift controls.

单词	slide-back
释义	> as lemmas slide-back slide-back n. Brit. /ˈslʌɪdbak/ , U.S. /ˈslaɪdˌbæk/ Electronics the alteration of the grid bias of a thermionic valve which is necessary to restore the anode current to zero after the application of a signal voltage to the grid; apparatus to measure this alteration, frequently as an indirect measure of the signal voltage. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > grid > alteration of grid bias slide-back1925 1925 Year-bk. Wireless Telegr. 847 When a control room is some distance from the transmitter it is usual to install a valve voltmeter with a slideback which either measures the voltage across the output of the main amplifier or indicates when a certain voltage is exceeded. 1930 B.B.C. Year-bk. 451/2 Slide back, an apparatus for indicating in the control room of a broadcasting station the presence of a grid current (and hence distortion) in the modulation system of the transmitter. 1931 B.B.C. Year-bk. 1932 356 The ‘slide-back’..consisted of a valve or similar device so biassed that no indication occurred until there was present and superimposed upon the bias a voltage greater than, and opposing in phase, the biassing voltage. 1965 Wireless World July 19 (advt.) Slide-back measurement of time and amplitude by means of directly-calibrated shift controls. extracted from slide-comb. form < as lemmas
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> as lemmas