Version 4
SHEET 1 1220 680
WIRE -80 -32 -368 -32
WIRE 32 -32 -80 -32
WIRE 160 -32 112 -32
WIRE 176 -32 160 -32
WIRE 416 -32 256 -32
WIRE 544 -32 416 -32
WIRE 160 64 160 -32
WIRE 176 64 160 64
WIRE 256 64 256 -32
WIRE 256 64 240 64
WIRE 496 64 368 64
WIRE 608 64 496 64
WIRE -368 80 -368 -32
WIRE -368 80 -480 80
WIRE -288 80 -368 80
WIRE -208 80 -288 80
WIRE 496 112 496 64
WIRE -480 128 -480 80
WIRE -368 128 -368 80
WIRE -288 128 -288 80
WIRE -208 128 -208 80
WIRE 368 160 368 64
WIRE 368 160 224 160
WIRE 224 208 224 160
WIRE 224 208 48 208
WIRE 496 208 496 192
WIRE 496 208 448 208
WIRE -80 224 -80 -32
WIRE -16 224 -80 224
WIRE 224 224 224 208
WIRE 496 224 496 208
WIRE 64 240 48 240
WIRE 192 240 64 240
WIRE 416 256 416 -32
WIRE 416 256 256 256
WIRE -480 272 -480 192
WIRE -368 272 -368 192
WIRE -368 272 -480 272
WIRE -288 272 -288 208
WIRE -288 272 -368 272
WIRE -208 272 -208 208
WIRE -208 272 -288 272
WIRE 192 272 160 272
WIRE 64 320 64 240
WIRE 496 336 496 304
WIRE 160 352 160 272
WIRE 448 352 448 208
WIRE 448 352 160 352
FLAG 496 336 0
FLAG 64 400 0
FLAG 544 -32 out
FLAG 608 144 0
FLAG 224 288 0
FLAG -368 272 0
SYMBOL AutoGenerated\\BF862 16 224 R0
SYMATTR InstName U1
SYMBOL diode -352 192 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMBOL current -288 128 R0
WINDOW 123 -33 90 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 24 136 Left 2
SYMATTR Value2 AC 1u
SYMATTR Value ""
SYMATTR InstName I1
SYMBOL res -224 112 R0
SYMATTR InstName R1
SYMATTR Value 1gigR
SYMBOL cap -496 128 R0
SYMATTR InstName C1
SYMATTR Value 3.5p
SYMBOL res 128 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 500kR
SYMBOL res 272 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 500kR
SYMBOL cap 240 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1p
SYMBOL voltage 608 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 480 96 R0
SYMATTR InstName R4
SYMATTR Value 1kR
SYMBOL res 480 208 R0
SYMATTR InstName R5
SYMATTR Value 1kR
SYMBOL res 48 304 R0
SYMATTR InstName R6
SYMATTR Value 5kR
SYMBOL Opamps\\LT6202 224 256 R0
SYMATTR InstName U2
TEXT 936 416 Left 2 !.ac oct 100 50 100000000
TEXT 936 384 Left 2 !;tran 100n