Version 4
SymbolType BLOCK
LINE Normal 17 -16 -16 0
LINE Normal 32 0 17 0
LINE Normal -32 0 -16 0
CIRCLE Normal 12 -20 21 -11
CIRCLE Normal 12 -5 21 4
WINDOW 39 -5 39 Center 0
WINDOW 3 -41 20 Left 0
WINDOW 40 -4 59 Center 0
SYMATTR SpiceLine Ton=
SYMATTR Value SwTime
SYMATTR SpiceLine2 Toff=
PIN -32 0 NONE 8
PINATTR PinName 1
PINATTR SpiceOrder 1
PIN 32 0 NONE 8
PINATTR PinName 2
PINATTR SpiceOrder 2