The structure and circuits of high resolution adc ’ s modulator which applied in audio signal range with 20khz base band and 16 bits resolution have been researched 本文對一種適用于音頻信號范圍的高精度模/數(shù)轉(zhuǎn)換器的調(diào)制器部分進(jìn)行了結(jié)構(gòu)和電路研究,基帶頻率20khz ,精度16位。
基: base; foundation帶: belt; girdle; ribbon; band; ...頻率: frequency; rate話路基帶頻率: telephone channel baseband frequency基帶頻率范圍: baseband frequency range基帶頻率函數(shù): baseband frequency function基帶頻率響應(yīng): baseband frequency response特征基帶頻率: characteristic baseband frequency最高基帶頻率: top baseband frequency基帶頻譜: baseband frequency spectrum基帶頻譜分析: base-band spectral analysis寬帶頻率計: wide-range frequency meter旁帶頻率: side band frequency通帶頻率: passband frequency窄帶頻率: narrow band frequency中頻帶頻率: mid-hand frequency阻帶頻率: stopband frequency磁帶頻率響應(yīng): frequency response of tape寬帶頻率調(diào)制: broad-band frequency modulation; wideband frequency modulation窄帶頻率調(diào)制: narrow band frequency modulation; narrowband frequency modulation窄帶頻率反饋: narrow band frequency feedback基帶基準(zhǔn)頻率: baseband reference frequency帶頻: band frequency狹帶頻率調(diào)變的簡寫: nbfm窄帶頻率特性觀測器: narrow-band charactascope