Version 4
SHEET 1 880 680
FLAG 160 160 B
FLAG 160 240 0
FLAG 64 384 0
FLAG 64 304 P
FLAG 64 160 A
FLAG 64 240 0
SYMBOL bv 160 144 R0
SYMATTR InstName B2
SYMATTR Value V=b(V(p),r)
SYMBOL voltage 64 288 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 2 0 1n 1n 0.5m 1m)
SYMBOL bv 64 144 R0
SYMATTR InstName B1
SYMATTR Value V=a(r)
TEXT 16 32 Left 2 !.function a(m)=1-u(time-int(time/m)*m) ;reset pulse\n.func b(v,m)= idt(v,0,a(m))/m ; integrate and divide\n.param r=4m ; r is the actual reset modulus you wish to use
TEXT 16 104 Left 2 !.tran 10m
TEXT 16 -48 Left 2 ;B-Source calculating average values\nDerived from\nhttp://ltwiki.org/index.php5?title=B_sources_%28common_examples%29