| 单词 | crystal-controlled |
| 释义 | > as lemmascrystal-controlled crystal-controlled adj. Electronics (esp. of an oscillator) having a frequency determined by a piezoelectric crystal. ΚΠ 1925 U.S. Patent 1,559,116 1/2 The circuit arrangement of a single tube crystal controlled oscillator for producing waves of a plurality of frequencies. 1970 Single Sideband for Radio Amateur (Amer. Radio Relay League) (ed. 5) 6 The commercial point-to-point sideband stations used crystal-controlled transmitters and receivers always held as close to one frequency as possible. 2001 P. Brookes Electronic Surveillance Devices (ed. 2) iii. 53 The crystal controlled oscillator has the ability to produce a signal on one particular frequency, with an accuracy of a few parts per million. < as lemmas |
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