Version 4 SHEET 1 1032 680 WIRE 464 -16 336 -16 WIRE 608 -16 464 -16 WIRE 336 0 336 -16 WIRE 336 16 336 0 WIRE 608 16 608 -16 WIRE 608 32 608 16 WIRE 464 48 464 -16 WIRE 336 96 336 64 WIRE 336 96 176 96 WIRE 608 96 608 80 WIRE 736 96 608 96 WIRE 336 128 336 96 WIRE 608 128 608 96 WIRE 336 224 336 192 WIRE 464 224 464 128 WIRE 464 224 336 224 WIRE 608 224 608 192 WIRE 608 224 464 224 WIRE 176 304 176 96 WIRE 272 304 176 304 WIRE 736 304 736 96 WIRE 736 304 640 304 WIRE 176 336 176 304 WIRE 272 336 272 304 WIRE 640 336 640 304 WIRE 736 336 736 304 WIRE 176 448 176 416 WIRE 272 448 272 416 WIRE 272 448 176 448 WIRE 448 448 272 448 WIRE 640 448 640 416 WIRE 640 448 448 448 WIRE 736 448 736 416 WIRE 736 448 640 448 WIRE 448 480 448 448 FLAG 448 480 0 FLAG 176 96 RF_1 FLAG 736 96 RF_2 SYMBOL voltage 736 320 R0 SYMATTR InstName V2 SYMATTR Value PULSE(0 1.5 0 1 0 0 1) SYMATTR SpiceLine Rser=1k SYMBOL voltage 176 320 R0 SYMATTR InstName V1 SYMATTR Value 1 SYMATTR SpiceLine Rser=1k SYMBOL schottky 320 128 R0 SYMATTR InstName D1 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 592 128 R0 SYMATTR InstName D2 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 448 32 R0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res 256 320 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res 624 320 R0 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL schottky 320 0 R0 SYMATTR InstName D3 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 592 16 R0 SYMATTR InstName D4 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode TEXT 424 656 Left 2 !.tran 1