Taller de distorsión

amp 1

.title amp1
.include TL072.mod

x1 ninv inv cc ee out TL072

vcc cc 0  15
vee ee 0 -15

v1 sig 0 sin 0 3v 1

r1 sig inv 10k
rfb out inv 10k
rninv ninv 0 1

.control
  tran 1ms 30s
.endc

.end

comandos

• ngspice amp1.cir
• plot v(sig) v(out) xlimit 0 3
• fft v(out)
• plot mag(v(out)) xlimit 0 10

dist 1

.title dist1
.include TL072.mod
.include 1n4148.lib

x1 ninv inv cc ee out TL072

vcc cc 0  15
vee ee 0 -15

v1 sig 0 sin 0 3v 1

r1 sig inv 10k
rfb out inv 10k
d1 inv out 1n4148
d2 out inv 1n4148
rninv ninv 0 1

.control
  tran 1ms 30s
.endc

.end

comandos

• ngspice amp1.cir
• plot v(sig) v(out) xlimit 0 3
• fft v(out)
• plot mag(v(out)) xlimit 0 10