Version 4
SHEET 1 3088 804
WIRE -224 -48 -688 -48
WIRE -48 -48 -224 -48
WIRE 32 -48 -48 -48
WIRE 160 -48 128 -48
WIRE 368 -48 256 -48
WIRE 432 -48 368 -48
WIRE 496 -48 432 -48
WIRE 624 -48 496 -48
WIRE -688 -32 -688 -48
WIRE -224 -32 -224 -48
WIRE 496 -32 496 -48
WIRE 624 -32 624 -48
WIRE 112 32 112 0
WIRE 144 32 112 32
WIRE 176 32 176 0
WIRE 176 32 144 32
WIRE 144 48 144 32
WIRE -688 64 -688 48
WIRE -224 64 -224 48
WIRE -80 64 -224 64
WIRE 496 64 496 32
WIRE 624 64 624 48
WIRE -224 80 -224 64
WIRE -48 112 -48 -48
WIRE -16 112 -48 112
WIRE 368 112 368 -48
WIRE 368 112 288 112
WIRE 432 144 432 -48
WIRE -224 176 -224 160
WIRE -112 176 -224 176
WIRE -80 176 -80 64
WIRE -16 176 -80 176
WIRE -224 208 -224 176
WIRE -112 240 -112 176
WIRE -16 240 -112 240
WIRE 432 240 432 224
WIRE 432 240 288 240
WIRE -224 304 -224 288
WIRE -16 304 -224 304
WIRE -224 320 -224 304
WIRE 144 368 144 352
WIRE -224 416 -224 400
FLAG -688 -48 IN
FLAG 624 -48 OUT
FLAG 144 368 0
FLAG -688 64 0
FLAG -224 416 0
FLAG 624 64 0
FLAG 496 64 0
SYMBOL res -240 192 R0
SYMATTR InstName R3
SYMATTR Value 121K
SYMBOL res -240 304 R0
SYMATTR InstName R4
SYMATTR Value 29.4K
SYMBOL nmos 32 0 R270
WINDOW 0 56 49 VTop 2
WINDOW 3 -16 67 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si7942DP
SYMBOL nmos 256 0 M270
WINDOW 0 53 50 VTop 2
WINDOW 3 -16 72 VLeft 2
SYMATTR InstName Q2
SYMATTR Value Si7942DP
SYMBOL cap 480 -32 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res 416 128 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL voltage -688 -48 R0
WINDOW 123 24 146 Left 2
WINDOW 39 24 125 Left 2
SYMATTR Value PWL(0 -40 200m -40 2.1 70)
SYMATTR InstName V1
SYMBOL res 608 -48 R0
SYMATTR InstName Rload
SYMATTR Value 6
SYMBOL LTC4367 144 272 R0
SYMATTR InstName U1
SYMBOL res -240 -48 R0
SYMATTR InstName R1
SYMATTR Value 464K
SYMBOL res -240 64 R0
SYMATTR InstName R2
SYMATTR Value 1500K
TEXT 488 376 Left 2 !.tran 2.2