Version 4
SHEET 1 880 680
WIRE 288 -112 -48 -112
WIRE 288 -96 288 -112
WIRE -48 -80 -48 -112
WIRE -48 32 -48 0
WIRE 288 48 288 -16
WIRE 416 48 288 48
WIRE 512 48 480 48
WIRE 608 48 512 48
WIRE 0 112 -48 112
WIRE 64 112 0 112
WIRE 176 112 128 112
WIRE 240 112 176 112
WIRE 176 160 176 112
WIRE 288 160 288 144
WIRE 384 160 288 160
WIRE 512 160 512 48
WIRE 288 192 288 160
WIRE 384 208 384 160
WIRE 0 224 0 112
WIRE 176 320 176 240
WIRE 288 320 288 272
WIRE 288 320 176 320
WIRE 384 320 384 272
WIRE 384 320 288 320
WIRE 512 320 512 240
WIRE 512 320 384 320
WIRE 608 320 512 320
WIRE 0 336 0 304
WIRE 512 368 512 320
FLAG 0 336 0
FLAG -48 32 0
FLAG 512 368 0
FLAG 608 48 OUTPUT
IOPIN 608 48 Out
FLAG -48 112 INPUT
IOPIN -48 112 In
SYMBOL voltage 0 208 R0
WINDOW 123 24 124 Left 2
WINDOW 39 24 152 Left 2
SYMATTR Value2 AC 1 0
SYMATTR SpiceLine Rser=1k
SYMATTR InstName V1
SYMATTR Value ""
SYMBOL voltage -48 -96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 25
SYMBOL cap 128 96 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMBOL njf 240 48 R0
WINDOW 0 56 31 Left 2
SYMATTR InstName J1
SYMATTR Value PN4117
SYMBOL res 272 -112 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 272 176 R0
SYMATTR InstName R2
SYMATTR Value 390
SYMBOL res 160 144 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 496 144 R0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL cap 480 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL cap 368 208 R0
SYMATTR InstName C3
SYMATTR Value 4.7µ
TEXT -80 360 Left 2 !;tran 10m
TEXT -72 400 Left 2 !.ac oct 20 10 1000000