Version 4 SHEET 1 1052 680 WIRE 160 -240 0 -240 WIRE 160 -192 160 -240 WIRE 480 -112 352 -112 WIRE 160 -64 160 -112 WIRE 256 -64 160 -64 WIRE 0 -32 0 -240 WIRE 160 -32 160 -64 WIRE 352 -32 352 -112 WIRE 480 -32 480 -112 WIRE 256 16 256 -64 WIRE 256 16 224 16 WIRE 288 16 256 16 WIRE 352 96 352 64 WIRE 0 208 0 48 WIRE 160 208 160 64 WIRE 160 208 0 208 WIRE 352 208 352 176 WIRE 352 208 160 208 WIRE 480 208 480 48 WIRE 480 208 352 208 WIRE 0 224 0 208 FLAG 0 224 0 SYMBOL voltage 0 -48 R0 WINDOW 0 37 37 Left 2 WINDOW 3 36 74 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage 480 -48 R0 WINDOW 0 37 37 Left 2 WINDOW 3 36 74 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 2.5 SYMBOL npn 224 -32 M0 SYMATTR InstName Q1 SYMATTR Value MAT-02 SYMBOL npn 288 -32 R0 SYMATTR InstName Q2 SYMATTR Value MAT-02 SYMBOL res 144 -208 R0 SYMATTR InstName R1 SYMATTR Value 4.7k SYMBOL res 336 80 R0 SYMATTR InstName R2 SYMATTR Value 27k TEXT -24 -296 Left 2 ;û0 0.step temp ... 0Ç0£0ì0¯0Æ0£0Ö0’0óS¯0ê0Ã0¯0Y0‹0h00.stepÑ0é0á0ü0¿0¨0Ç0£0¿0’0hˆ:y TEXT 152 312 Left 2 !.step temp -25 100 25 TEXT 152 272 Left 2 !.dc V2 0.5 2.5 10m