“tuner”的概念、定义、翻译、参考文献-科学参考

tuner

Electronics and Electrical Engineering

1. A device, such as a variable capacitor or inductor, that is used to alter the resonant frequency of a tuned circuit.
2. The first stage of a radio or television receiver that is used to select a particular broadcast channel. It contains either a tuned circuit in which the resonant frequency may be altered to accept the desired channel frequency or a set of resonant circuits each of which is tuned to an individual channel and may be selected (see turret tuner).

单词	tuner
释义	tuner Electronics and Electrical Engineering 1. A device, such as a variable capacitor or inductor, that is used to alter the resonant frequency of a tuned circuit. 2. The first stage of a radio or television receiver that is used to select a particular broadcast channel. It contains either a tuned circuit in which the resonant frequency may be altered to accept the desired channel frequency or a set of resonant circuits each of which is tuned to an individual channel and may be selected (see turret tuner).
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