Version 4 SHEET 1 880 680 WIRE -96 80 -512 80 WIRE -96 128 -96 80 WIRE -512 208 -512 80 WIRE -496 208 -512 208 WIRE -384 208 -416 208 WIRE -224 208 -320 208 WIRE -176 208 -224 208 WIRE -96 208 -96 192 WIRE -96 208 -112 208 WIRE 16 208 -96 208 WIRE 144 208 16 208 WIRE -512 256 -512 208 WIRE 272 256 208 256 WIRE 336 256 272 256 WIRE 496 256 416 256 WIRE 608 256 576 256 WIRE 272 288 272 256 WIRE 16 304 16 208 WIRE 144 320 144 304 WIRE 224 320 144 320 WIRE 608 320 608 256 WIRE 144 336 144 320 WIRE -512 384 -512 336 WIRE -224 384 -224 272 WIRE -224 384 -512 384 WIRE 272 384 272 352 WIRE -512 416 -512 384 WIRE 16 416 16 384 WIRE 96 416 96 400 WIRE 96 416 16 416 WIRE 192 432 192 400 WIRE 304 432 192 432 WIRE 704 432 496 432 WIRE 224 448 224 320 WIRE 224 448 64 448 WIRE 528 496 496 496 WIRE 624 496 528 496 WIRE 624 512 624 496 WIRE 144 528 64 528 WIRE 224 528 224 512 WIRE 224 528 144 528 WIRE 304 528 224 528 WIRE 528 592 528 560 WIRE 624 592 528 592 WIRE 704 592 704 512 WIRE 704 592 624 592 WIRE 144 608 144 528 WIRE 704 608 704 592 FLAG 704 608 0 FLAG 144 608 0 FLAG 608 320 0 FLAG -512 416 0 FLAG 272 384 0 SYMBOL Optos/4N25 400 496 R0 SYMATTR InstName U1 SYMBOL pnp 208 304 R180 SYMATTR InstName Q1 SYMATTR Value 2N5401 SYMBOL npn 96 336 M90 SYMATTR InstName Q2 SYMATTR Value 2N2222 SYMBOL res 480 272 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 8000K SYMBOL voltage -512 240 R0 WINDOW 3 -60 107 Left 2 SYMATTR Value SINE(0 155 60) SYMATTR InstName V1 SYMBOL voltage 704 416 R0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL cap 512 496 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL res 608 496 R0 SYMATTR InstName R3 SYMATTR Value 10K SYMBOL diode 288 352 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -126 -1 Left 2 SYMATTR InstName D3 SYMATTR Value RRE02VS4S SYMBOL res 320 272 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 30K SYMBOL res 0 288 R0 SYMATTR InstName R1 SYMATTR Value 5K SYMBOL diode -176 224 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value RRE02VS4S SYMBOL diode 240 512 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -126 -1 Left 2 SYMATTR InstName D2 SYMATTR Value RRE02VS4S SYMBOL diode -384 224 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D4 SYMATTR Value RRE02VS4S SYMBOL res -512 224 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 20K SYMBOL zener -208 272 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D5 SYMATTR Value PTZ13B SYMBOL diode -112 128 R0 SYMATTR InstName D6 SYMATTR Value RRE02VS4S SYMBOL res 48 432 R0 SYMATTR InstName R6 SYMATTR Value 10K TEXT -160 616 Left 2 !.tran 0 2000m 0 50u TEXT 368 184 Left 2 ;R2 simulates the load impedance. TEXT -312 56 Left 2 ;Extend AC+ connection from D6 to R4-R2 junction to energize the AC line.