* SPICE netlist
R2 N004 N008 {RL}
C1 N004 N008 {Cf} Rser=2m
V2 N005 N007 PULSE(0 1 0 1n 1n {D*1/fs} {1/fs})
D2 0 P001 D1
D1 N002 N003 D1
D3 N008 N003 D1
L4 N003 N004 {Lf} Rser=50m
Lind3 P001 N001 {L3} Rser=20m
Lind2 N002 N008 {L2} Rser=20m
Lind1 N001 N006 {L1} Rser=20m
sw 0 N006 N005 N007 NMOS
B1 N001 0 V={Vi}
R1 N012 N014 36
C2 N011 N014 {Caux} Rser=2m
D4 N009 N010 D1
Lind4 N009 N014 {L4} Rser=20m
Q1 N011 N013 N012 0 2N2222
R3 N011 N013 1.5k
D6 N014 N013 MMBZ16VALY
R4 N014 N008 1Meg
R5 N008 0 1Meg
D5 N014 N010 D1
L1 N010 N011 {Laux} Rser=50m
.tran 0 0.011 0.01 0.01u
K1 ind1 ind2 ind3 ind4 1
.param L1 185.6u
.param L2 26.1u
.param L3 185.6u
.param L4 104.4u
.param fs 200k
.param Cf 15u
.param RL 0.625
.param Lf 16u
.param Laux 20u
.param Caux 20u
.param Vi 60
.param D 0.22

* LTspice schematic (.asc)
Version 4
SHEET 1 1456 496
WIRE -360 -248 -728 -248
WIRE -216 -248 -360 -248
WIRE 56 -248 -136 -248
WIRE 168 -248 120 -248
WIRE 216 -248 168 -248
WIRE 344 -248 296 -248
WIRE 472 -248 344 -248
WIRE -360 -232 -360 -248
WIRE -216 -232 -216 -248
WIRE -136 -232 -136 -248
WIRE 472 -216 472 -248
WIRE -728 -200 -728 -248
WIRE 344 -200 344 -248
WIRE 168 -152 168 -248
WIRE -408 -136 -504 -136
WIRE -360 -136 -360 -152
WIRE -408 -120 -408 -136
WIRE -408 -56 -408 -72
WIRE -408 -56 -504 -56
WIRE -728 -40 -728 -120
WIRE -488 -40 -728 -40
WIRE -360 -40 -360 -56
WIRE -360 -40 -488 -40
WIRE -216 -40 -216 -88
WIRE -216 -40 -360 -40
WIRE -136 -40 -136 -152
WIRE -136 -40 -168 -40
WIRE 168 -40 168 -88
WIRE 168 -40 -136 -40
WIRE 344 -40 344 -136
WIRE 344 -40 168 -40
WIRE 472 -40 472 -136
WIRE 472 -40 344 -40
WIRE -72 24 -136 24
WIRE 56 24 -8 24
WIRE 152 24 56 24
WIRE 344 24 232 24
WIRE 488 24 344 24
WIRE 552 24 488 24
WIRE 728 24 648 24
WIRE -136 40 -136 24
WIRE 728 56 728 24
WIRE 344 72 344 24
WIRE -216 88 -216 40
WIRE -168 88 -168 -40
WIRE -168 88 -216 88
WIRE 56 120 56 24
WIRE 488 120 488 104
WIRE 600 120 600 88
WIRE 600 120 488 120
WIRE -216 152 -216 88
WIRE 600 168 600 120
WIRE -136 232 -136 120
WIRE -136 232 -216 232
WIRE 56 232 56 184
WIRE 56 232 -136 232
WIRE 344 232 344 136
WIRE 344 232 56 232
WIRE 600 232 344 232
WIRE 728 232 728 136
WIRE 728 232 600 232
FLAG -488 -40 0
SYMBOL res 456 -232 R0
SYMATTR InstName R2
SYMATTR Value {RL}
SYMBOL cap 328 -200 R0
SYMATTR InstName C1
SYMATTR Value {Cf}
SYMATTR SpiceLine Rser=2m
SYMBOL voltage -504 -152 R0
SYMATTR Value PULSE(0 1 0 1n 1n {D*1/fs} {1/fs})
SYMATTR InstName V2
SYMBOL diode -200 -88 R180
SYMATTR InstName D2
SYMATTR Value D1
SYMBOL diode 56 -232 R270
SYMATTR InstName D1
SYMATTR Value D1
SYMBOL diode 184 -88 R180
SYMATTR InstName D3
SYMATTR Value D1
SYMBOL ind 200 -232 R270
SYMATTR InstName L4
SYMATTR Value {Lf}
SYMATTR SpiceLine Rser=50m
SYMBOL ind2 -200 -136 R180
SYMATTR InstName ind3
SYMATTR Value {L3}
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m
SYMBOL ind2 -152 -248 R0
SYMATTR InstName ind2
SYMATTR Value {L2}
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m
SYMBOL ind2 -376 -248 R0
SYMATTR InstName ind1
SYMATTR Value {L1}
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m
SYMBOL sw -360 -40 M180
SYMATTR InstName sw
SYMATTR Value NMOS
SYMBOL bv -728 -216 R0
SYMATTR InstName B1
SYMATTR Value V={Vi}
SYMBOL res 712 40 R0
SYMATTR InstName R1
SYMATTR Value 36
SYMBOL cap 328 72 R0
SYMATTR InstName C2
SYMATTR Value {Caux}
SYMATTR SpiceLine Rser=2m
SYMBOL diode -72 40 R270
SYMATTR InstName D4
SYMATTR Value D1
SYMBOL ind2 -152 24 R0
SYMATTR InstName ind4
SYMATTR Value {L4}
SYMATTR Type ind
SYMATTR SpiceLine Rser=20m
SYMBOL npn 552 88 R270
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 472 8 R0
SYMATTR InstName R3
SYMATTR Value 1.5k
SYMBOL zener 616 232 R180
SYMATTR InstName D6
SYMATTR Value MMBZ16VALY
SYMBOL res -200 248 R180
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL res -200 56 R180
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL diode 72 184 R180
SYMATTR InstName D5
SYMATTR Value D1
SYMBOL ind 136 40 R270
SYMATTR InstName L1
SYMATTR Value {Laux}
SYMATTR SpiceLine Rser=50m