Version 4 SHEET 1 1140 680 WIRE 512 -160 336 -160 WIRE 512 -128 512 -160 WIRE 336 -80 336 -160 WIRE 512 -32 512 -48 WIRE 512 -32 496 -32 WIRE 512 -16 512 -32 WIRE 336 96 336 0 WIRE 512 96 512 48 WIRE 512 96 336 96 WIRE 336 112 336 96 FLAG 336 112 0 FLAG 496 -32 d SYMBOL Misc\\DIAC 480 -16 R0 SYMATTR InstName U1 SYMATTR Value DB3TG SYMBOL res 496 -144 R0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL voltage 336 -96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(0 100 50) TEXT 336 -232 Left 2 !.lib st_diacs.lib TEXT 336 -216 Left 2 !.tran 0 20m 0 1u