Version 4 SHEET 1 1224 816 WIRE 432 32 432 0 WIRE 128 96 128 32 WIRE 432 144 432 112 WIRE 432 160 432 144 WIRE 368 208 320 208 WIRE 128 224 128 176 WIRE 128 224 64 224 WIRE 64 240 64 224 WIRE 320 240 320 208 WIRE 128 272 128 224 WIRE 432 272 432 256 WIRE 432 288 432 272 WIRE 128 416 128 352 WIRE 432 416 432 368 FLAG 320 240 0 FLAG 432 0 VCC FLAG 432 416 VEE FLAG 64 240 0 FLAG 128 32 VCC FLAG 128 416 VEE FLAG 432 144 C FLAG 432 272 E SYMBOL voltage 128 80 R0 SYMATTR InstName Vps1 SYMATTR Value 15V SYMBOL res 416 16 R0 SYMATTR InstName RC SYMATTR Value 5k SYMBOL npn 368 160 R0 SYMATTR InstName Q1 SYMATTR Value npn_ideal_transistor SYMBOL res 416 272 R0 SYMATTR InstName RE SYMATTR Value 7.07k SYMBOL voltage 128 256 R0 SYMATTR InstName Vps2 SYMATTR Value 15V TEXT 280 576 Left 2 !.OP TEXT 40 520 Left 2 !.model npn_ideal_transistor npn (Is=1.8104e-15 Bf=100)