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1,357 Posts
You know that a first order -3dB at 300 is another -6dB at 150, and another -6dB at 75?
The old rule of thumb was double it - to go -3dB at 600 so that you could be -6dB more at 300 and another -6dB at 150... you will get a lot of output in the stopband.
The old rule of thumb was double it - to go -3dB at 600 so that you could be -6dB more at 300 and another -6dB at 150... you will get a lot of output in the stopband.
