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how tough is this filter spec?

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sharkies

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lowpass,
Fcutoff = 120MHz
order = 4

mostly likely Gm-C filter implementation
either biquad connection or LC ladder simulation
process: 90nm

is this something that can be done in 3 weeks?
 

3 Weeks, for just Circuit design? It's not a easy job I think, of couse It depends on what kink of Filter Spec you need, Such as SFDR.
BTW, in 90nm CMOS, 120MHz Fc Filter can also be implemented by Active-RC Topology, If a tough Linearity Specification is needed.
 

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