| 单词 |
quadrature amplifier |
| 释义 |
quadrature amplifier quadrature amplifier[′kwä·drə·chər ‚am·plə‚fī·ər] (electronics) An amplifier that shifts the phase of a signal 90°; used in a color television receiver to amplify the 3.58-megahertz chrominance subcarrier and shift its phase 90° for use in the Q demodulator. |
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