prcken
Advanced Member level 1
hello
i am designing opamps for a 4th order complex bandpass filter with IQ signal inputs. the centre frequency of the overal BPF transfer function is 1MHz with 1MHz bandwith (i meant put the f-3dB at -0.5M and 1.5M, respectively)
i want to ask based on the RC values for each stage, how to set the opamp spec? i want to fix the power consumption first for low-power design, then how set the other spec like the gain and unity frequency? and what else should be watched for this opamp design?
thanks!
i am designing opamps for a 4th order complex bandpass filter with IQ signal inputs. the centre frequency of the overal BPF transfer function is 1MHz with 1MHz bandwith (i meant put the f-3dB at -0.5M and 1.5M, respectively)
i want to ask based on the RC values for each stage, how to set the opamp spec? i want to fix the power consumption first for low-power design, then how set the other spec like the gain and unity frequency? and what else should be watched for this opamp design?
thanks!