參數(shù)資料
型號(hào): MF4
廠商: National Semiconductor Corporation
英文描述: MF4 4th Order Switched Capacitor Butterworth Lowpass Filter
中文描述: MF4四階巴特沃斯低通開(kāi)關(guān)電容濾波器
文件頁(yè)數(shù): 13/14頁(yè)
文件大?。?/td> 481K
代理商: MF4
2.0 Designing With The MF4
(Continued)
DS005064-16
(a) input signal spectrum
DS005064-17
(b) Output signal spectrum. Note that the input signal
at f
c
/2 + f causes an output signal to appear at f
c
/2 f.
FIGURE 14. The phenomenon of aliasing in sampled-data systems. An input signal whose
frequency is greater than one-half the sampling frequency will cause an output to appear
at a frequency lower than one-half the sampling frequency. In the MF4, f
s
= f
CLK
.
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13
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