Version 4
SHEET 1 1100 1252
WIRE -544 272 -544 256
WIRE -976 304 -1072 304
WIRE -816 304 -896 304
WIRE -752 304 -816 304
WIRE -1072 352 -1072 304
WIRE -816 368 -816 304
WIRE -336 368 -336 352
WIRE -368 384 -400 384
WIRE -208 400 -304 400
WIRE -544 416 -544 352
WIRE -368 416 -544 416
WIRE -208 432 -208 400
WIRE -544 448 -544 416
WIRE -336 448 -336 432
WIRE -1072 512 -1072 432
WIRE -992 512 -1072 512
WIRE -816 512 -816 432
WIRE -816 512 -912 512
WIRE -752 512 -816 512
WIRE -544 528 -544 512
WIRE -752 544 -752 512
WIRE -400 544 -400 384
WIRE -208 544 -208 512
WIRE -208 544 -400 544
WIRE -208 576 -208 544
WIRE -208 688 -208 656
FLAG -336 448 0
FLAG -208 688 0
FLAG -752 544 0
FLAG -752 304 V+
FLAG -336 352 V+
FLAG -544 256 V+
FLAG -544 528 0
SYMBOL voltage -1072 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 4.3
SYMBOL res -224 560 R0
SYMATTR InstName R4
SYMATTR Value 22
SYMBOL res -880 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 150
SYMBOL res -896 496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 150
SYMBOL cap -832 368 R0
SYMATTR InstName C2
SYMATTR Value 22µ
SYMBOL res -560 256 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL schottky -560 448 R0
SYMATTR InstName D1
SYMATTR Value RB715W
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL AutoGenerated\\MCP6001 -336 400 R0
WINDOW 0 -45 -38 Bottom 2
WINDOW 3 0 75 Top 2
SYMATTR InstName U1
SYMBOL res -224 416 R0
SYMATTR InstName R2
SYMATTR Value 2k
TEXT -968 696 Left 2 !.tran 1
TEXT -968 640 Left 2 !.option gmin=1e-10 abstol=1e-10 reltol=0.003
TEXT -968 664 Left 2 !.options cshunt=1e-15