Version 4
SHEET 1 880 680
WIRE 96 128 16 128
WIRE 16 160 16 128
WIRE 16 272 16 240
FLAG 96 128 OUT
FLAG 16 272 0
SYMBOL bv 16 144 R0
SYMATTR InstName B1
SYMATTR Value V=floor((f0+fdot*time/2)*time) - floor((f0+fdot*(time-tp)/2)*(time-tp))
TEXT -352 176 Left 2 !.tran 0 0.5 0 10u
TEXT -352 224 Left 2 !.params f0=20 fdot=380 tp=1m