* SPICE netlist
XU1 N001 0 vo1 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
XU2 N013 0 N002 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R1 N013 vo1 {r1}
C1 vo1 N001 {c1}
R2 vo1 N001 {rq1}
R3 N001 vi {rk1}
XU3 N008 0 N007 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R4 N002 N008 {r1}
R5 N008 N007 {r1}
C2 N007 N013 {c1}
R6 N002 N001 {r1}
V1 vi 0 AC 1
XU4 N003 0 vo2 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
XU5 N014 0 N004 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R7 N014 vo2 {r2}
C3 vo2 N003 {c2}
R8 vo2 N003 {rq2}
R9 N003 vo1 {rk2}
XU6 N010 0 N009 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R10 N004 N010 {r2}
R11 N010 N009 {r2}
C4 N009 N014 {c2}
R12 N004 N003 {r2}
XU7 N016 0 vo3 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
XU8 N024 0 N017 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R13 N024 vo3 {r3}
C5 vo3 N016 {c3}
R14 vo3 N016 {rq3}
R15 N016 vo2 {rk3}
XU9 N021 0 N020 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R16 N017 N021 {r3}
R17 N021 N020 {r3}
C6 N020 N024 {c3}
R18 N017 N016 {r3}
XU10 N018 0 vo4 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
XU11 N025 0 N019 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R19 N025 vo4 {r4}
C7 vo4 N018 {c4}
R20 vo4 N018 {rq4}
R21 N018 vo3 {rk4}
XU12 N023 0 N022 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R22 N019 N023 {r4}
R23 N023 N022 {r4}
C8 N022 N025 {c4}
R24 N019 N018 {r4}
XU13 N005 0 vo5 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
XU14 N015 0 N006 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R25 N015 vo5 {r5}
C9 vo5 N005 {c5}
R26 vo5 N005 {rq5}
R27 N005 vo4 {rk5}
XU15 N012 0 N011 opamp Aol=100K GBW=10G ;pnba invin)noninvin)out
R28 N006 N012 {r5}
R29 N012 N011 {r5}
C10 N011 N015 {c5}
R30 N006 N005 {r5}
.param w0 2000000 * 2*pi
.param z_n 1000
.ac dec 1k 100k 10Meg
.include opamp.sub
.meas AC T_ripple PP V(vo5)/V(vi) FROM 1600k TO 2500k
.meas AC T_fp1 FIND V(vo5)/V(vi) AT 1250k
.meas AC T_fp2 FIND V(vo5)/V(vi) AT 3200k
.param r1=1000 rq1=2222.222222223029 rk1=688.1650934936923 c1=7.957747154594492e-11
.param r2=1000 rq2=2771.5362358210728 rk2=2850.5019370039895 c2=9.099339944530032e-11
.param r3=1000 rq3=2771.5362358218977 rk3=1708.445688435001 c3=6.959377291374852e-11
.param r4=1000 rq4=7354.813433977212 rk4=3163.8848493796313 c4=6.431921785145782e-11
.param r5=1000 rq5=7354.813433979512 rk5=1616.2241992854365 c5=9.84553946577985e-11
.meas AC T_max MAX V(vo5)/V(vi) FROM 1600k TO 2500k

* LTspice schematic (.asc)
Version 4
SHEET 1 2368 672
WIRE -688 -320 -864 -320
WIRE -320 -320 -608 -320
WIRE 64 -320 -112 -320
WIRE 432 -320 144 -320
WIRE 816 -320 640 -320
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WIRE -80 128 -112 128
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WIRE -432 208 -448 208
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WIRE 304 208 288 208
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WIRE 432 208 400 208
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WIRE -528 224 -560 224
WIRE 192 224 192 128
WIRE 224 224 192 224
WIRE -448 240 -464 240
WIRE 304 240 288 240
WIRE -448 256 -448 240
WIRE 304 256 304 240
WIRE -976 272 -1024 272
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WIRE -864 272 -896 272
WIRE -832 272 -864 272
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WIRE -112 272 -144 272
WIRE -80 272 -112 272
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WIRE -720 288 -736 288
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WIRE 16 288 -16 288
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WIRE 432 304 224 304
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WIRE -96 320 -96 304
WIRE 160 320 144 320
WIRE -608 336 -608 320
WIRE 144 336 144 320
FLAG -848 -48 0
FLAG -608 -32 0
FLAG -448 -112 0
FLAG -1184 0 0
FLAG -1184 -144 vi
FLAG -1024 -96 vi
FLAG -736 -240 vo1
FLAG -96 -48 0
FLAG 144 -32 0
FLAG 304 -112 0
FLAG -272 -96 vo1
FLAG 16 -240 vo2
FLAG -848 320 0
FLAG -608 336 0
FLAG -448 256 0
FLAG -1024 272 vo2
FLAG -736 128 vo3
FLAG -96 320 0
FLAG 144 336 0
FLAG 304 256 0
FLAG -272 272 vo3
FLAG 16 128 vo4
FLAG 656 -48 0
FLAG 896 -32 0
FLAG 1056 -112 0
FLAG 480 -96 vo4
FLAG 768 -240 vo5
SYMBOL OpAmps\\opamp -800 -144 R0
SYMATTR InstName U1
SYMATTR SpiceLine2 GBW=10G
SYMBOL OpAmps\\opamp -560 -128 R0
SYMATTR InstName U2
SYMATTR SpiceLine2 GBW=10G
SYMBOL res -624 -96 R90
SYMATTR InstName R1
SYMATTR Value {r1}
SYMBOL cap -768 -176 R90
SYMATTR InstName C1
SYMATTR Value {c1}
SYMBOL res -736 -256 R90
SYMATTR InstName R2
SYMATTR Value {rq1}
SYMBOL res -880 -112 R90
SYMATTR InstName R3
SYMATTR Value {rk1}
SYMBOL OpAmps\\opamp -496 -208 M0
SYMATTR InstName U3
SYMATTR SpiceLine2 GBW=10G
SYMBOL res -336 -176 R90
SYMATTR InstName R4
SYMATTR Value {r1}
SYMBOL res -448 -256 R90
SYMATTR InstName R5
SYMATTR Value {r1}
SYMBOL cap -560 -160 R90
SYMATTR InstName C2
SYMATTR Value {c1}
SYMBOL res -592 -336 R90
SYMATTR InstName R6
SYMATTR Value {r1}
SYMBOL voltage -1184 -128 R0
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 1
SYMBOL OpAmps\\opamp -48 -144 R0
SYMATTR InstName U4
SYMATTR SpiceLine2 GBW=10G
SYMBOL OpAmps\\opamp 192 -128 R0
SYMATTR InstName U5
SYMATTR SpiceLine2 GBW=10G
SYMBOL res 128 -96 R90
SYMATTR InstName R7
SYMATTR Value {r2}
SYMBOL cap -16 -176 R90
SYMATTR InstName C3
SYMATTR Value {c2}
SYMBOL res 16 -256 R90
SYMATTR InstName R8
SYMATTR Value {rq2}
SYMBOL res -128 -112 R90
SYMATTR InstName R9
SYMATTR Value {rk2}
SYMBOL OpAmps\\opamp 256 -208 M0
SYMATTR InstName U6
SYMATTR SpiceLine2 GBW=10G
SYMBOL res 416 -176 R90
SYMATTR InstName R10
SYMATTR Value {r2}
SYMBOL res 304 -256 R90
SYMATTR InstName R11
SYMATTR Value {r2}
SYMBOL cap 192 -160 R90
SYMATTR InstName C4
SYMATTR Value {c2}
SYMBOL res 160 -336 R90
SYMATTR InstName R12
SYMATTR Value {r2}
SYMBOL OpAmps\\opamp -800 224 R0
SYMATTR InstName U7
SYMATTR SpiceLine2 GBW=10G
SYMBOL OpAmps\\opamp -560 240 R0
SYMATTR InstName U8
SYMATTR SpiceLine2 GBW=10G
SYMBOL res -624 272 R90
SYMATTR InstName R13
SYMATTR Value {r3}
SYMBOL cap -768 192 R90
SYMATTR InstName C5
SYMATTR Value {c3}
SYMBOL res -736 112 R90
SYMATTR InstName R14
SYMATTR Value {rq3}
SYMBOL res -880 256 R90
SYMATTR InstName R15
SYMATTR Value {rk3}
SYMBOL OpAmps\\opamp -496 160 M0
SYMATTR InstName U9
SYMATTR SpiceLine2 GBW=10G
SYMBOL res -336 192 R90
SYMATTR InstName R16
SYMATTR Value {r3}
SYMBOL res -448 112 R90
SYMATTR InstName R17
SYMATTR Value {r3}
SYMBOL cap -560 208 R90
SYMATTR InstName C6
SYMATTR Value {c3}
SYMBOL res -592 32 R90
SYMATTR InstName R18
SYMATTR Value {r3}
SYMBOL OpAmps\\opamp -48 224 R0
SYMATTR InstName U10
SYMATTR SpiceLine2 GBW=10G
SYMBOL OpAmps\\opamp 192 240 R0
SYMATTR InstName U11
SYMATTR SpiceLine2 GBW=10G
SYMBOL res 128 272 R90
SYMATTR InstName R19
SYMATTR Value {r4}
SYMBOL cap -16 192 R90
SYMATTR InstName C7
SYMATTR Value {c4}
SYMBOL res 16 112 R90
SYMATTR InstName R20
SYMATTR Value {rq4}
SYMBOL res -128 256 R90
SYMATTR InstName R21
SYMATTR Value {rk4}
SYMBOL OpAmps\\opamp 256 160 M0
SYMATTR InstName U12
SYMATTR SpiceLine2 GBW=10G
SYMBOL res 416 192 R90
SYMATTR InstName R22
SYMATTR Value {r4}
SYMBOL res 304 112 R90
SYMATTR InstName R23
SYMATTR Value {r4}
SYMBOL cap 192 208 R90
SYMATTR InstName C8
SYMATTR Value {c4}
SYMBOL res 160 32 R90
SYMATTR InstName R24
SYMATTR Value {r4}
SYMBOL OpAmps\\opamp 704 -144 R0
SYMATTR InstName U13
SYMATTR SpiceLine2 GBW=10G
SYMBOL OpAmps\\opamp 944 -128 R0
SYMATTR InstName U14
SYMATTR SpiceLine2 GBW=10G
SYMBOL res 880 -96 R90
SYMATTR InstName R25
SYMATTR Value {r5}
SYMBOL cap 736 -176 R90
SYMATTR InstName C9
SYMATTR Value {c5}
SYMBOL res 768 -256 R90
SYMATTR InstName R26
SYMATTR Value {rq5}
SYMBOL res 624 -112 R90
SYMATTR InstName R27
SYMATTR Value {rk5}
SYMBOL OpAmps\\opamp 1008 -208 M0
SYMATTR InstName U15
SYMATTR SpiceLine2 GBW=10G
SYMBOL res 1168 -176 R90
SYMATTR InstName R28
SYMATTR Value {r5}
SYMBOL res 1056 -256 R90
SYMATTR InstName R29
SYMATTR Value {r5}
SYMBOL cap 944 -160 R90
SYMATTR InstName C10
SYMATTR Value {c5}
SYMBOL res 912 -336 R90
SYMATTR InstName R30
SYMATTR Value {r5}