Version 4
SHEET 1 920 680
WIRE -112 -16 -160 -16
WIRE 176 0 144 0
WIRE -160 32 -160 -16
WIRE 448 48 352 48
WIRE 592 48 544 48
WIRE 176 64 144 64
WIRE 544 80 544 48
WIRE -160 144 -160 112
WIRE -112 208 -160 208
WIRE 544 208 544 160
WIRE -160 256 -160 208
WIRE -160 368 -160 336
FLAG 544 208 0
FLAG 592 48 sq
IOPIN 592 48 Out
FLAG -160 144 0
FLAG -112 -16 s0
FLAG 144 0 s0
FLAG -160 368 0
FLAG -112 208 fs
FLAG 144 64 fs
FLAG 448 48 vs0
SYMBOL bv 544 64 R0
SYMATTR InstName B1
SYMATTR Value V=int(V(vs0))
SYMBOL voltage -160 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 7.5 {f0})
SYMBOL SpecialFunctions\\sample 256 32 R0
WINDOW 3 0 0 Invisible 0
SYMATTR InstName A1
SYMATTR Value2 vhigh=1e6 vlow=-1e6
SYMATTR Value vt=0.5
SYMBOL voltage -160 240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 1 0 1n 1n 10u {1/fs})
TEXT -176 -160 Left 0 !.tran 0 3m 0 1u
TEXT -176 -128 Left 0 !.options plotwinsize=0
TEXT -176 -96 Left 0 !.param f0=1k fs=20k