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Design the sizing and biasing voltage of an Op-Amp in SKY130nm (VDD 1.8 V) as shown in the provided circuit image.
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Here is the netlist of the circuit
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.subckt OPAMP8_Pin_3 gnda vdda vinn vinp vout
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xm8 vout ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P1_L' w='P1_W*1' m='P1_M'
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xm7 net24 ib1 net29 vdda sky130_fd_pr__pfet_01v8 l='P2_L' w='P2_W*1' m='P2_M'
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xm6 net19 ib1 net35 vdda sky130_fd_pr__pfet_01v8 l='P3_L' w='P3_W*1' m='P3_M'
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xm5 net29 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P4_L' w='P4_W*1' m='P4_M'
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xm4 net35 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P5_L' w='P5_W*1' m='P5_M'
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xm3 net11 ib1 net39 vdda sky130_fd_pr__pfet_01v8 l='P6_L' w='P6_W*1' m='P6_M'
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xm2 ib1 ib1 net40 vdda sky130_fd_pr__pfet_01v8 l='P7_L' w='P7_W*1' m='P7_M'
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xm1 net39 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P8_L' w='P8_W*1' m='P8_M'
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xm0 net40 ib1 vdda vdda sky130_fd_pr__pfet_01v8 l='P9_L' w='P9_W*1' m='P9_M'
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xm17 vout net24 gnda gnda sky130_fd_pr__nfet_01v8 l='N1_L' w='N1_W*1' m='N1_M'
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xm16 net19 net19 gnda gnda sky130_fd_pr__nfet_01v8 l='N2_L' w='N2_W*1' m='N2_M'
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xm15 net24 net19 gnda gnda sky130_fd_pr__nfet_01v8 l='N3_L' w='N3_W*1' m='N3_M'
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xm14 net29 vinp net16 gnda sky130_fd_pr__nfet_01v8 l='N4_L' w='N4_W*1' m='N4_M'
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xm13 ib1 vinn net16 gnda sky130_fd_pr__nfet_01v8 l='N5_L' w='N5_W*1' m='N5_M'
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xm9 net37 net11 gnda gnda sky130_fd_pr__nfet_01v8 l='N6_L' w='N6_W*1' m='N6_M'
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xm12 net11 net11 net38 gnda sky130_fd_pr__nfet_01v8 l='N7_L' w='N7_W*1' m='N7_M'
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xm11 net16 net11 net37 gnda sky130_fd_pr__nfet_01v8 l='N8_L' w='N8_W*1' m='N8_M'
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xm10 net38 net11 gnda gnda sky130_fd_pr__nfet_01v8 l='N9_L' w='N9_W*1' m='N9_M'
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C0 vout net24 'CAPACITOR_0'
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I0 ib1 gnda 'IB1'
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.ends OPAMP8_Pin_3
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Here are the design parameters and range.
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parameter_bounds:
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L_P1:
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min: 0.13
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max: 1.0
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type: real
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W_P1:
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min: 0.2
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max: 10.0
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type: real
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M_P1:
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min: 1
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max: 100
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type: int
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L_P2:
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min: 0.13
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max: 1.0
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type: real
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W_P2:
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min: 0.2
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max: 10.0
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type: real
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M_P2:
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min: 1
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max: 100
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type: int
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L_P3:
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min: 0.13
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max: 1.0
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type: real
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W_P3:
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min: 0.2
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max: 10.0
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type: real
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M_P3:
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min: 1
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max: 100
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type: int
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L_P4:
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min: 0.13
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max: 1.0
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type: real
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W_P4:
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min: 0.2
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max: 10.0
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type: real
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M_P4:
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min: 1
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max: 100
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type: int
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L_P5:
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min: 0.13
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max: 1.0
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type: real
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W_P5:
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min: 0.2
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max: 10.0
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type: real
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M_P5:
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min: 1
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max: 100
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type: int
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L_P6:
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min: 0.13
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max: 1.0
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type: real
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W_P6:
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min: 0.2
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max: 10.0
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type: real
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M_P6:
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min: 1
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max: 100
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type: int
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L_P7:
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min: 0.13
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max: 1.0
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type: real
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W_P7:
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min: 0.2
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max: 10.0
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type: real
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M_P7:
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min: 1
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max: 100
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type: int
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L_P8:
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min: 0.13
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max: 1.0
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type: real
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W_P8:
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min: 0.2
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max: 10.0
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type: real
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M_P8:
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min: 1
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max: 100
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type: int
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L_P9:
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min: 0.13
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max: 1.0
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type: real
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W_P9:
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min: 0.2
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max: 10.0
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type: real
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M_P9:
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min: 1
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max: 100
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type: int
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L_N1:
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min: 0.13
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max: 1.0
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type: real
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W_N1:
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min: 0.2
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max: 10.0
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type: real
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M_N1:
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min: 1
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max: 100
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type: int
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L_N2:
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min: 0.13
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max: 1.0
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type: real
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W_N2:
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min: 0.2
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max: 10.0
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type: real
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M_N2:
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min: 1
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max: 100
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type: int
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L_N3:
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min: 0.13
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max: 1.0
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type: real
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W_N3:
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min: 0.2
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max: 10.0
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type: real
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M_N3:
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min: 1
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max: 100
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type: int
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L_N4:
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min: 0.13
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max: 1.0
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type: real
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W_N4:
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min: 0.2
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max: 10.0
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type: real
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M_N4:
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min: 1
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max: 100
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type: int
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L_N5:
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min: 0.13
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max: 1.0
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type: real
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W_N5:
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min: 0.2
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max: 10.0
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type: real
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M_N5:
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min: 1
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max: 100
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type: int
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L_N6:
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min: 0.13
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max: 1.0
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type: real
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W_N6:
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min: 0.2
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max: 10.0
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type: real
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M_N6:
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min: 1
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max: 100
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type: int
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L_N7:
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min: 0.13
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max: 1.0
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type: real
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W_N7:
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min: 0.2
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max: 10.0
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type: real
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M_N7:
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min: 1
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max: 100
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type: int
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L_N8:
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min: 0.13
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max: 1.0
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type: real
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W_N8:
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min: 0.2
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max: 10.0
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type: real
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M_N8:
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min: 1
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max: 100
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type: int
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L_N9:
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min: 0.13
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max: 1.0
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type: real
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W_N9:
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min: 0.2
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max: 10.0
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type: real
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M_N9:
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min: 1
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max: 100
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type: int
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C0:
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min: 1.0
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max: 100.0
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type: real
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Ib1:
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min: 1e-6
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max: 4e-5
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type: real
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Here is the design target
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PSRP_target = -78 # dB @1 kHz (from VDD)
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PSRN_target = -95 # dB @1 kHz (from VSS)
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TC_target = 2e-5 # 20 ppm/°C
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Power_target = 3e-4 # W ≈0.30 mW
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vos_target = 5e-4 # V ≈0.5 mV
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cmrrdc_target = -88 # dB
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dcgain_target = 102 # dB
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GBW_target = 1.2e7 # Hz (~12 MHz with 10 pF)
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phase_margin_target = 60 # deg
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sr_target = 1.5e7 # V/s ≈15 V/µs
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settlingTime_target = 6e-7 # s (~0.1–0.5% to 10 pF)
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Provide your design parameter in this format
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parameters:
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L_P1:
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W_P1:
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M_P1:
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L_P2:
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W_P2:
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M_P2:
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L_P3:
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W_P3:
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M_P3:
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L_P4:
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W_P4:
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M_P4:
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L_P5:
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W_P5:
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M_P5:
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L_P6:
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W_P6:
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M_P6:
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L_P7:
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W_P7:
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M_P7:
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L_P8:
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W_P8:
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M_P8:
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L_P9:
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W_P9:
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M_P9:
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L_N1:
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W_N1:
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M_N1:
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L_N2:
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W_N2:
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M_N2:
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L_N3:
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W_N3:
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M_N3:
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L_N4:
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W_N4:
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M_N4:
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L_N5:
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W_N5:
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M_N5:
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L_N6:
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W_N6:
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M_N6:
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L_N7:
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W_N7:
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M_N7:
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L_N8:
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W_N8:
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M_N8:
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L_N9:
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W_N9:
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M_N9:
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C0:
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Ib1: |