Version 4
SHEET 1 2996 1272
WIRE 288 608 160 608
WIRE 480 608 288 608
WIRE 592 608 480 608
WIRE 768 608 592 608
WIRE 816 608 768 608
WIRE 1056 608 912 608
WIRE 1184 608 1056 608
WIRE 1280 608 1184 608
WIRE 160 672 160 608
WIRE 288 672 288 608
WIRE -160 784 -256 784
WIRE -32 784 -96 784
WIRE 160 784 160 736
WIRE 160 784 48 784
WIRE 592 784 592 608
WIRE 768 784 768 608
WIRE 1056 784 1056 608
WIRE 1280 784 1280 608
WIRE 480 800 480 608
WIRE -256 816 -256 784
WIRE 1184 832 1184 608
WIRE -256 928 -256 896
WIRE 288 928 288 736
WIRE 288 928 -256 928
WIRE -256 976 -256 928
WIRE 160 976 160 784
WIRE 288 976 288 928
WIRE 160 1088 160 1040
WIRE 288 1088 288 1040
WIRE 288 1088 160 1088
WIRE 480 1088 480 864
WIRE 480 1088 288 1088
WIRE 592 1088 592 848
WIRE 592 1088 480 1088
WIRE 768 1088 768 864
WIRE 768 1088 592 1088
WIRE 896 1088 896 656
WIRE 896 1088 768 1088
WIRE 1056 1088 1056 864
WIRE 1056 1088 896 1088
WIRE 1184 1088 1184 896
WIRE 1184 1088 1056 1088
WIRE 1280 1088 1280 864
WIRE 1280 1088 1184 1088
FLAG -256 976 0
SYMBOL voltage -256 800 R0
WINDOW 0 42 57 Left 2
WINDOW 3 17 108 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 325 50)
SYMBOL diode 176 736 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MUR460
SYMBOL diode 304 736 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value MUR460
SYMBOL diode 176 1040 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value MUR460
SYMBOL diode 304 1040 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value MUR460
SYMBOL cap -96 768 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 330nF
SYMBOL res 64 768 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 470
SYMBOL cap 576 784 R0
SYMATTR InstName C2
SYMATTR Value 1000µF
SYMBOL zener 496 864 R180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D7
SYMATTR Value BZX84C12L
SYMBOL cap 1168 832 R0
SYMATTR InstName C3
SYMATTR Value 1µF
SYMBOL nmos 816 656 R270
WINDOW 0 72 15 VRight 2
WINDOW 3 73 62 VRight 2
SYMATTR InstName M1
SYMATTR Value NMOS1
SYMBOL res 1264 768 R0
SYMATTR InstName RLOAD
SYMATTR Value 500k
SYMBOL res 752 768 R0
SYMATTR InstName R2
SYMATTR Value 2.4k
SYMBOL res 1040 768 R0
SYMATTR InstName RMIN
SYMATTR Value 1k
TEXT -256 544 Left 2 !.tran 0 20.04s 20s 0.1m
TEXT 72 544 Left 2 !.model nmos1 nmos(vto=-5 kp=20)
TEXT 752 576 Left 2 ;7805
TEXT -248 576 Left 2 !.options plotwinsize=0
RECTANGLE Normal 976 912 688 544