[問題] DAC spec相關問題??

看板Electronics作者kevilright (~~~~~~~~~~~~~~~~~~~~~~~)時間17年前 (2008/07/11 16:17)推噓0(0推 0噓 2→)

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我想請問一下關於DAC 其SPEC上的一些問題 http://www.analog.com/static/imported-files/data_sheets/AD9755.pdf (第三頁) AC LINEARITY Spurious-Free Dynamic Range to Nyquist fDAC = 100 MSPS; fOUT = 1.00 MHz 0 dBFS Output 74 84 dBc –6 dBFS Output 77 dBc –12 dBFS Output 79 dBc fDATA = 65 MSPS; fOUT = 1.1 MHz 2 79 dBc fDATA = 65 MSPS; fOUT = 5.1 MHz 2 79 dBc fDATA = 65 MSPS; fOUT = 10.1 MHz 2 78 dBc fDATA = 65 MSPS; fOUT = 20.1 MHz 2 74 dBc fDATA = 65 MSPS; fOUT = 30.1 MHz 2 70 dBc fDAC = 160 MSPS; fOUT = 1.1 MHz 80 dBc fDAC = 160 MSPS; fOUT = 11.1 MHz 77 dBc fDAC與fOUT & fDATA分別是指那種特性呢?? 我google過了~沒有解答 ~"~ 感謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.128.221.133 ※ kevilright:轉錄至看板 comm_and_RF 07/11 16:18

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