samiran_dam said:In one of my previous post you have replied that Qp=wp/2σ (with wp: pole frequency and σ: real part of the complex pole). So according to this equation, Qp can be negative if the real part is negative isn't it?. This is not going with the theory...I am confused!
samiran_dam said:In simulation, I got Qp = -0.5 < 0. Physically is it possible? and if it is possible, then what is the intuitive explanation for this ?
samiran_dam said:Yes, that's right the filter cutoff frequency is 500 KHz. Can you explain me how did you calculate the opamp transit frequency to be 20.5MHz?
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So I was wondering if we can find out the minimum required ugf....just an inquisitiveness.
samiran_dam said:By deviation, did you mean to indicate the so-called sensitivities of Qp, Wc, gain of the filter on opamp parameters?? Can you redirect me to any reference where I can find the 'rough' rules you are talking about?
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