The shape factor of an anti-aliasing filter is given by the ratio of the frequency at ___ dB attenuation point to the frequency at ___ dB point.(a) 80, 3(b) 3, 80(c) -80, -3(d) -3, -80The question was asked during an interview.My doubt is from ADC Tradeoffs in chapter Technology Tradeoffs in Software Defined Radio of Cognitive Radio

The shape factor of an anti-aliasing filter is given by the ratio of t

1.	The shape factor of an anti-aliasing filter is given by the ratio of the frequency at ___ dB attenuation point to the frequency at ___ dB point.(a) 80, 3(b) 3, 80(c) -80, -3(d) -3, -80The question was asked during an interview.My doubt is from ADC Tradeoffs in chapter Technology Tradeoffs in Software Defined Radio of Cognitive Radio
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