Version 4
SHEET 1 892 680
WIRE -48 -32 -640 -32
WIRE 240 -32 -48 -32
WIRE 368 -32 240 -32
WIRE -640 -16 -640 -32
WIRE -48 -16 -48 -32
WIRE 240 48 240 -32
WIRE -640 80 -640 64
WIRE -48 80 -48 64
WIRE 128 80 -48 80
WIRE -48 96 -48 80
WIRE 368 96 368 -32
WIRE 368 96 352 96
WIRE 368 176 352 176
WIRE -48 192 -48 176
WIRE 128 192 -48 192
WIRE -48 208 -48 192
WIRE 368 256 352 256
WIRE 128 272 96 272
WIRE 96 288 96 272
WIRE -48 320 -48 288
WIRE 240 336 240 304
WIRE 48 368 -16 368
WIRE -16 384 -16 368
WIRE 96 400 96 384
WIRE -16 480 -16 464
FLAG -48 320 0
FLAG 240 336 0
FLAG -16 480 0
FLAG -640 80 0
FLAG 96 400 0
SYMBOL res -64 80 R0
SYMATTR InstName R1
SYMATTR Value 11.8K
SYMBOL res -64 192 R0
SYMATTR InstName R2
SYMATTR Value 237K
SYMBOL res -64 -32 R0
SYMATTR InstName R3
SYMATTR Value 750K
SYMBOL voltage -640 -32 R0
WINDOW 123 24 146 Left 2
WINDOW 39 24 125 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 3.6 3.6 16 3.6 19.6 0 20.1 0 23.7 3.6)
SYMBOL voltage -16 368 R0
WINDOW 123 24 146 Left 2
WINDOW 39 24 125 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 7.999 0 8 3.6 8.499 3.6 8.5 0 24.999 0 25 3.6 25.5 3.6 25.501 0)
SYMBOL LTC2934-2 240 176 R0
SYMATTR InstName U1
SYMBOL nmos 48 288 R0
SYMATTR InstName Q1
SYMATTR Value BSS123
TEXT 448 544 Left 2 !.tran 20