Version 4
SHEET 1 2056 7208
WIRE 64 -640 -112 -640
WIRE 64 -608 64 -640
WIRE -112 -560 -112 -640
WIRE -448 -512 -448 -560
WIRE -864 -496 -928 -496
WIRE -752 -496 -784 -496
WIRE -688 -496 -752 -496
WIRE -640 -496 -688 -496
WIRE -480 -496 -640 -496
WIRE 64 -496 64 -528
WIRE -352 -480 -416 -480
WIRE -304 -480 -352 -480
WIRE -272 -480 -304 -480
WIRE -160 -480 -192 -480
WIRE -480 -464 -544 -464
WIRE -352 -464 -352 -480
WIRE -752 -432 -752 -496
WIRE -640 -432 -640 -496
WIRE -928 -400 -928 -496
WIRE -544 -384 -544 -464
WIRE -352 -384 -352 -400
WIRE -352 -384 -544 -384
WIRE -272 -384 -352 -384
WIRE -144 -384 -192 -384
WIRE -112 -384 -112 -464
WIRE -112 -384 -144 -384
WIRE -112 -368 -112 -384
WIRE -448 -352 -448 -448
WIRE -752 -304 -752 -352
WIRE -640 -304 -640 -368
WIRE -640 -304 -752 -304
WIRE -928 -288 -928 -320
WIRE -640 -288 -640 -304
WIRE -448 -256 -448 -272
WIRE -112 -256 -112 -288
FLAG -112 -256 0
FLAG 64 -496 0
FLAG -448 -256 0
FLAG -640 -288 0
FLAG -928 -288 0
FLAG -304 -480 2
FLAG -688 -496 1
FLAG -448 -560 0
FLAG -144 -384 3
SYMBOL voltage -928 -416 R0
WINDOW 3 -27 175 Left 2
WINDOW 123 33 82 Left 2
WINDOW 39 25 205 Left 2
SYMATTR Value PULSE(0 3 0 1m 1m 0 2m 1)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL res -176 -496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 2k2
SYMBOL res -128 -384 R0
SYMATTR InstName R6
SYMATTR Value 9.9
SYMBOL voltage 64 -624 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage -448 -368 R0
WINDOW 123 24 44 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 3.3
SYMBOL cap -368 -464 R0
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL cap -656 -432 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL res -176 -400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res -768 -512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL res -768 -448 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL nmos -160 -560 R0
SYMATTR InstName M1
SYMATTR Value ntd4969n
SYMATTR Prefix X
SYMBOL Opamps\\opamp2 -448 -416 M180
WINDOW 0 21 97 Left 2
WINDOW 3 21 129 Left 2
SYMATTR InstName U2
SYMATTR Value opa333
TEXT -920 -864 Left 2 !.lib OPA2333.LIB
TEXT -920 -904 Left 2 !.tran 0 2m 0
TEXT -920 -824 Left 2 !.lib NTD4969N.LIB
TEXT -920 -792 Left 2 !.lib OPA333.txt
TEXT -920 -744 Left 2 !.options gmin=1e-10 abstol=1e-10
TEXT -920 -648 Left 2 !.options cshunt=1e-16
TEXT -920 -680 Left 2 !.options method=gear
TEXT -920 -712 Left 2 !.options srcsteps=0