Version 4 SHEET 1 880 680 WIRE 112 48 0 48 WIRE 256 48 192 48 WIRE 480 48 256 48 WIRE 256 64 256 48 WIRE 0 128 0 48 WIRE 480 128 480 48 WIRE 256 176 256 128 WIRE 0 272 0 208 WIRE 256 272 256 240 WIRE 256 272 0 272 WIRE 480 272 480 208 WIRE 480 272 256 272 WIRE 480 288 480 272 FLAG 480 288 0 FLAG 480 48 out FLAG 0 48 in SYMBOL voltage 0 112 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 0 42 37 Left 2 WINDOW 3 43 70 Left 2 SYMATTR InstName Vin SYMATTR Value SINE(0 24 50) SYMBOL zener 240 64 R0 WINDOW 0 44 31 Left 2 WINDOW 3 42 61 Left 2 SYMATTR InstName D1 SYMATTR Value BZX84C15L SYMBOL zener 272 240 R180 WINDOW 0 -39 31 Left 2 WINDOW 3 -136 7 Left 2 SYMATTR InstName D2 SYMATTR Value BZX84C15L SYMBOL res 208 32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R SYMATTR Value 470 SYMBOL res 496 224 R180 WINDOW 0 -36 94 Left 2 WINDOW 3 -58 65 Left 2 SYMATTR InstName RL SYMATTR Value 1.5K TEXT -48 424 Left 2 !.tran 40m TEXT -72 368 Left 2 ;Directive simulation TEXT -72 -48 Left 2 ;Exercice 4 : figure 3a RECTANGLE Normal -72 -8 572 328 2 RECTANGLE Normal -68 404 136 444 2