作者kevilright (~~~~~~~~~~~~~~~~~~~~~~~)
看板comm_and_RF
标题[问题] DAC spec相关问题??
时间Fri Jul 11 16:18:34 2008
※ [本文转录自 Electronics 看板]
作者: kevilright (~~~~~~~~~~~~~~~~~~~~~~~) 看板: Electronics
标题: [问题] DAC spec相关问题??
时间: Fri Jul 11 16:17:06 2008
我想请问一下
关於DAC 其SPEC上的一些问题
http://www.analog.com/static/imported-files/data_sheets/AD9755.pdf
(第三页)
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与fOUT & fDATA分别是指那种特性呢??
我google过了~没有解答 ~"~
感谢
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 220.128.221.133
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 220.128.221.133