Version 4
SHEET 1 880 680
WIRE 288 16 128 16
WIRE 448 16 288 16
WIRE 592 16 448 16
WIRE 288 32 288 16
WIRE 448 32 448 16
WIRE 128 80 128 16
WIRE 592 96 592 16
WIRE 288 128 288 112
WIRE 448 128 448 112
WIRE 128 176 128 160
WIRE 208 176 128 176
WIRE 224 176 208 176
WIRE 384 176 368 176
WIRE 128 192 128 176
WIRE 208 240 208 176
WIRE 368 240 368 176
WIRE 368 240 208 240
WIRE 592 240 592 176
WIRE 288 256 288 224
WIRE 128 304 128 272
WIRE 224 304 128 304
WIRE 288 368 288 352
WIRE 320 368 288 368
WIRE 448 368 448 224
WIRE 480 368 448 368
WIRE 288 384 288 368
WIRE 448 384 448 368
WIRE 288 480 288 464
WIRE 448 480 448 464
WIRE 592 480 592 320
FLAG 288 480 0
FLAG 448 480 0
FLAG 592 480 0
FLAG 320 368 Out1
FLAG 480 368 Out2
SYMBOL voltage 128 64 R0
WINDOW 3 -18 56 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 2.5
SYMBOL voltage 128 176 R0
WINDOW 3 -17 58 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL voltage 592 80 R0
WINDOW 3 40 54 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 40 100)
SYMBOL pnp 224 224 M180
SYMATTR InstName Q1
SYMATTR Value 2N5401
SYMBOL pnp 224 352 M180
SYMATTR InstName Q2
SYMATTR Value 2N5401
SYMBOL pnp 384 224 M180
SYMATTR InstName Q3
SYMATTR Value 2N5401
SYMBOL res 272 16 R0
SYMATTR InstName R1
SYMATTR Value 1800
SYMBOL res 432 16 R0
SYMATTR InstName R2
SYMATTR Value 1800
SYMBOL res 272 368 R0
SYMATTR InstName R3
SYMATTR Value 300k
SYMBOL res 432 368 R0
SYMATTR InstName R4
SYMATTR Value 300k
SYMBOL voltage 592 224 R0
WINDOW 3 -18 57 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 360
TEXT 94 504 Left 0 !.tran 0 20m 0 1u