* SPICE netlist
V2 N001 0 sine(10 .01 10MEG) ac 1
D1 0 N005 MV2201
D2 N003 N005 MV2201
L2 0 N003 {Lpri}
R1 N005 N007 1Meg
D3 0 N006 MV2201
D4 N004 N006 MV2201
L3 0 N004 {Lpri}
R2 N006 N007 1Meg
L4 A 0 {Lsec}
L1 0 N002 {Lsec}
R3 A 0 {Z}
R4 N002 N001 {Z}
V1 N007 0 0.
V3 N008 0 sine(10 .01 10MEG) ac 1
D5 0 N012 MV2201
D6 N010 N012 MV2201
L6 0 N010 {Lpri}
R5 N012 N014 1Meg
D7 0 N013 MV2201
D8 N011 N013 MV2201
L7 0 N011 {Lpri}
R6 N013 N014 1Meg
L8 B 0 {Lsec}
L5 0 N009 {Lsec}
R7 B 0 {Z}
R8 N009 N008 {Z}
V4 N014 0 5
V5 N015 0 sine(10 .01 10MEG) ac 1
D9 0 N019 MV2201
D10 N017 N019 MV2201
L10 0 N017 {Lpri}
R9 N019 N021 1Meg
D11 0 N020 MV2201
D12 N018 N020 MV2201
L11 0 N018 {Lpri}
R10 N020 N021 1Meg
L12 C 0 {Lsec}
L9 0 N016 {Lsec}
R11 C 0 {Z}
R12 N016 N015 {Z}
V6 N021 0 20
L13 N017 N018 {Lcup}
L14 N010 N011 {Lcup}
L15 N003 N004 {Lcup}
.ac oct 100 1Meg 100Meg
K3 L1 L2 1.
K4 L3 L4 1.
K1 L5 L6 1.
K2 L7 L8 1.
K5 L9 L10 1.
K6 L11 L12 1.
.params Z=75
.params Lcup=1200u
.params Lpri=100 Lsec=.1
.save V(a) V(b) V(c)

* LTspice schematic (.asc)
Version 4
SHEET 1 1648 1376
WIRE -568 -672 -792 -672
WIRE -376 -672 -488 -672
WIRE -152 -672 -312 -672
WIRE 104 -672 -152 -672
WIRE 344 -672 184 -672
WIRE 616 -672 344 -672
WIRE 824 -672 680 -672
WIRE -152 -656 -152 -672
WIRE 344 -656 344 -672
WIRE -792 -640 -792 -672
WIRE -376 -608 -376 -672
WIRE -312 -608 -312 -672
WIRE 616 -608 616 -672
WIRE 680 -608 680 -672
WIRE 824 -608 824 -672
WIRE -152 -576 -152 -592
WIRE 56 -576 -152 -576
WIRE 344 -576 344 -592
WIRE 344 -576 200 -576
WIRE -152 -560 -152 -576
WIRE 56 -560 56 -576
WIRE 200 -560 200 -576
WIRE 344 -560 344 -576
WIRE -792 -512 -792 -560
WIRE -376 -464 -376 -528
WIRE -312 -464 -312 -528
WIRE -152 -464 -152 -496
WIRE 344 -464 344 -496
WIRE 616 -464 616 -528
WIRE 680 -464 680 -528
WIRE 824 -464 824 -528
WIRE 56 -432 56 -480
WIRE 136 -432 56 -432
WIRE 200 -432 200 -480
WIRE 200 -432 136 -432
WIRE 136 -400 136 -432
WIRE 136 -304 136 -320
WIRE -584 -176 -808 -176
WIRE -392 -176 -504 -176
WIRE -168 -176 -328 -176
WIRE 88 -176 -168 -176
WIRE 328 -176 168 -176
WIRE 600 -176 328 -176
WIRE 808 -176 664 -176
WIRE -168 -160 -168 -176
WIRE 328 -160 328 -176
WIRE -808 -144 -808 -176
WIRE -392 -112 -392 -176
WIRE -328 -112 -328 -176
WIRE 600 -112 600 -176
WIRE 664 -112 664 -176
WIRE 808 -112 808 -176
WIRE -168 -80 -168 -96
WIRE 40 -80 -168 -80
WIRE 328 -80 328 -96
WIRE 328 -80 184 -80
WIRE -168 -64 -168 -80
WIRE 40 -64 40 -80
WIRE 184 -64 184 -80
WIRE 328 -64 328 -80
WIRE -808 -16 -808 -64
WIRE -392 32 -392 -32
WIRE -328 32 -328 -32
WIRE -168 32 -168 0
WIRE 328 32 328 0
WIRE 600 32 600 -32
WIRE 664 32 664 -32
WIRE 808 32 808 -32
WIRE 40 64 40 16
WIRE 120 64 40 64
WIRE 184 64 184 16
WIRE 184 64 120 64
WIRE 120 96 120 64
WIRE 120 192 120 176
WIRE -600 320 -824 320
WIRE -408 320 -520 320
WIRE -184 320 -344 320
WIRE 72 320 -184 320
WIRE 312 320 152 320
WIRE 584 320 312 320
WIRE 792 320 648 320
WIRE -184 336 -184 320
WIRE 312 336 312 320
WIRE -824 352 -824 320
WIRE -408 384 -408 320
WIRE -344 384 -344 320
WIRE 584 384 584 320
WIRE 648 384 648 320
WIRE 792 384 792 320
WIRE -184 416 -184 400
WIRE 24 416 -184 416
WIRE 312 416 312 400
WIRE 312 416 168 416
WIRE -184 432 -184 416
WIRE 24 432 24 416
WIRE 168 432 168 416
WIRE 312 432 312 416
WIRE -824 480 -824 432
WIRE -408 528 -408 464
WIRE -344 528 -344 464
WIRE -184 528 -184 496
WIRE 312 528 312 496
WIRE 584 528 584 464
WIRE 648 528 648 464
WIRE 792 528 792 464
WIRE 24 560 24 512
WIRE 104 560 24 560
WIRE 168 560 168 512
WIRE 168 560 104 560
WIRE 104 592 104 560
WIRE 104 688 104 672
FLAG -792 -512 0
FLAG -152 -464 0
FLAG 344 -464 0
FLAG -376 -464 0
FLAG 680 -464 0
FLAG 824 -464 0
FLAG 136 -304 0
FLAG -808 -16 0
FLAG -168 32 0
FLAG 328 32 0
FLAG -392 32 0
FLAG 664 32 0
FLAG 808 32 0
FLAG 120 192 0
FLAG -824 480 0
FLAG -184 528 0
FLAG 312 528 0
FLAG -408 528 0
FLAG 648 528 0
FLAG 792 528 0
FLAG 104 688 0
FLAG -312 -464 0
FLAG 616 -464 0
FLAG 600 32 0
FLAG -328 32 0
FLAG -344 528 0
FLAG 584 528 0
FLAG 824 -672 A
FLAG 808 -176 B
FLAG 792 320 C
SYMBOL voltage -792 -656 R0
SYMATTR InstName V2
SYMATTR Value sine(10 .01 10MEG) ac 1
SYMBOL varactor -168 -496 M180
SYMATTR InstName D1
SYMATTR Value MV2201
SYMBOL varactor -168 -656 R0
SYMATTR Value MV2201
SYMATTR InstName D2
SYMBOL ind2 -296 -512 R180
SYMATTR InstName L2
SYMATTR Value {Lpri}
SYMBOL res 40 -576 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL varactor 328 -496 M180
SYMATTR InstName D3
SYMATTR Value MV2201
SYMBOL varactor 328 -656 R0
SYMATTR Value MV2201
SYMATTR InstName D4
SYMBOL ind2 600 -512 M180
SYMATTR InstName L3
SYMATTR Value {Lpri}
SYMBOL res 184 -576 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL ind2 696 -624 M0
SYMATTR InstName L4
SYMATTR Value {Lsec}
SYMBOL ind2 -392 -512 M180
SYMATTR InstName L1
SYMATTR Value {Lsec}
SYMBOL res 808 -624 R0
SYMATTR InstName R3
SYMATTR Value {Z}
SYMBOL res -472 -688 R90
SYMATTR InstName R4
SYMATTR Value {Z}
SYMBOL voltage 136 -416 R0
SYMATTR InstName V1
SYMATTR Value 0.
SYMBOL voltage -808 -160 R0
SYMATTR InstName V3
SYMATTR Value sine(10 .01 10MEG) ac 1
SYMBOL varactor -184 0 M180
SYMATTR InstName D5
SYMATTR Value MV2201
SYMBOL varactor -184 -160 R0
SYMATTR Value MV2201
SYMATTR InstName D6
SYMBOL ind2 -312 -16 R180
SYMATTR InstName L6
SYMATTR Value {Lpri}
SYMBOL res 24 -80 R0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL varactor 312 0 M180
SYMATTR InstName D7
SYMATTR Value MV2201
SYMBOL varactor 312 -160 R0
SYMATTR Value MV2201
SYMATTR InstName D8
SYMBOL ind2 584 -16 M180
SYMATTR InstName L7
SYMATTR Value {Lpri}
SYMBOL res 168 -80 R0
SYMATTR InstName R6
SYMATTR Value 1Meg
SYMBOL ind2 680 -128 M0
SYMATTR InstName L8
SYMATTR Value {Lsec}
SYMBOL ind2 -408 -16 M180
SYMATTR InstName L5
SYMATTR Value {Lsec}
SYMBOL res 792 -128 R0
SYMATTR InstName R7
SYMATTR Value {Z}
SYMBOL res -488 -192 R90
SYMATTR InstName R8
SYMATTR Value {Z}
SYMBOL voltage 120 80 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL voltage -824 336 R0
SYMATTR InstName V5
SYMATTR Value sine(10 .01 10MEG) ac 1
SYMBOL varactor -200 496 M180
SYMATTR InstName D9
SYMATTR Value MV2201
SYMBOL varactor -200 336 R0
SYMATTR Value MV2201
SYMATTR InstName D10
SYMBOL ind2 -328 480 R180
SYMATTR InstName L10
SYMATTR Value {Lpri}
SYMBOL res 8 416 R0
SYMATTR InstName R9
SYMATTR Value 1Meg
SYMBOL varactor 296 496 M180
SYMATTR InstName D11
SYMATTR Value MV2201
SYMBOL varactor 296 336 R0
SYMATTR Value MV2201
SYMATTR InstName D12
SYMBOL ind2 568 480 M180
SYMATTR InstName L11
SYMATTR Value {Lpri}
SYMBOL res 152 416 R0
SYMATTR InstName R10
SYMATTR Value 1Meg
SYMBOL ind2 664 368 M0
SYMATTR InstName L12
SYMATTR Value {Lsec}
SYMBOL ind2 -424 480 M180
SYMATTR InstName L9
SYMATTR Value {Lsec}
SYMBOL res 776 368 R0
SYMATTR InstName R11
SYMATTR Value {Z}
SYMBOL res -504 304 R90
SYMATTR InstName R12
SYMATTR Value {Z}
SYMBOL voltage 104 576 R0
SYMATTR InstName V6
SYMATTR Value 20
SYMBOL ind 56 336 R270
SYMATTR InstName L13
SYMATTR Value {Lcup}
SYMBOL ind 72 -160 R270
SYMATTR InstName L14
SYMATTR Value {Lcup}
SYMBOL ind 88 -656 R270
SYMATTR InstName L15
SYMATTR Value {Lcup}