Version 4
SHEET 1 1112 680
WIRE -224 128 -128 128
WIRE -48 224 -32 224
WIRE -224 144 -224 128
WIRE -128 144 -128 128
WIRE -128 128 -32 128
WIRE 16 -16 16 -32
WIRE 16 -32 48 -32
WIRE 160 -16 160 -32
WIRE 160 -32 192 -32
WIRE 272 80 256 80
WIRE 352 80 384 80
WIRE 384 80 384 208
WIRE 352 208 384 208
WIRE 384 208 400 208
WIRE 256 80 256 192
WIRE 256 192 288 192
WIRE 288 224 272 224
WIRE 272 224 272 256
WIRE 256 80 256 -16
WIRE 256 -16 272 -16
WIRE 384 80 384 -16
WIRE 384 -16 336 -16
WIRE 160 192 256 192
WIRE 192 240 192 224
WIRE 192 224 160 224
FLAG -224 224 0
FLAG -48 224 0
FLAG 16 64 0
FLAG 400 208 o
FLAG -128 224 0
FLAG 48 -32 +12
FLAG 320 176 +12
FLAG 160 64 0
FLAG 192 -32 -12
FLAG 320 240 -12
FLAG 272 256 0
FLAG 192 320 0
SYMBOL current -224 224 R180
WINDOW 0 45 77 Right 0
WINDOW 3 33 -42 Right 0
WINDOW 123 33 -70 Right 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value SINE(0 4m 10k)
SYMATTR Value2 AC 2m
SYMBOL voltage 16 -32 M0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL sym_new\\CNY17vip 64 192 R0
WINDOW 123 0 92 Center 0
SYMATTR Value2 Igain=0.582m
SYMATTR InstName U1
SYMBOL current -128 224 R180
WINDOW 0 23 77 Left 0
WINDOW 3 -55 3 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I2
SYMATTR Value 8m
SYMBOL Opamps\\2pole 320 208 R0
SYMATTR InstName U2
SYMBOL voltage 160 -32 M0
SYMATTR InstName V2
SYMATTR Value -12
SYMBOL res 368 64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL cap 336 -32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 3.3p
SYMBOL voltage 192 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value -4
TEXT -256 344 Left 0 !.include ./doclib/cny17vipd.sub\n.step param Speed list 0.8 1.0 1.25\n* .tran 1m\n.ac oct 50 100k 50e6