所述滤波级可实施椭圆形低通滤波器。
The filter stage (s) may implement an elliptical lowpass filter.
该电路包括第一滤波级、延迟元件、以及谐波滤波器。
The circuit comprises a first filtering stage; a delay element; and a harmonic filter.
所述滤波级(340)可提供针对所述输入信号的滤波。
The filter stage (340) may provide filtering for the input signal.
所述第二滤波级（360）可提供针对所述输入信号的额外滤波。
The second filter stage (360) may provide additional filtering for the input signal.
所述放大器可进一步包括第二滤波级(360)及第二缓冲级(370)。
The amplifier may further include a second filter stage (360) and a second buffer stage (370).
所述缓冲级（350）可对来自所述滤波级（340）的经滤波信号进行缓冲。
The buffer stage (350) may buffer a filtered signal from the filter stage (340).
每一滤波级可包括并联耦合并形成谐振器槽以使干扰信号衰减的电感器及电容器。
Each filter stage may include an inductor and a capacitor coupled in parallel and forming a resonator tank to attenuate interfering signals.
所述第二缓冲级(370)可对来自所述第二滤波级的第二经滤波信号进行缓冲。
The second buffer stage (370) may buffer a second filtered signal from the second filter stage.
所述第二缓冲级(370)可对来自所述第二滤波级的第二经滤波信号进行缓冲。
The second buffer stage (370) may buffer a second filtered signal from the second filter stage.
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