sfdr 中文意思是什麼
sfdr
解釋
無雜散動態范圍-
The sfdr and thd are up to 68db and - 61db. the inl and dnl are smaller than 0. 5lsb. the structure of the converter is improved based on traditional one so that the area of glitch is reduced sharply and the dynamic character is improved
在電路結構上，提出了單位電流源中的開關差分控制信號交叉點的最優值，並在差分開關上疊加一對常開pmos管，有效減小了輸出毛刺面積，改善了動態性能。 -
The slope signal analyses and sinusoidal signal analyses show that the dnl 1 / 2lsb, at 49. 902 mhz input frequency and 100mhz sampling frequency, sfdr is 75. 5db and the or output can detect correctly whether the input signal is overflow and the system has good linearity
輸入頻率為49 . 902mhz的滿幅（ 500mv ）正弦信號，測得adc的無雜散動態范圍（ sfdr ）為75 . 5db ，系統的具有良好的線性度。
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