# Generates schematic as an .svg file.
# Requires svg_schematic:
# git clone https://github.com/KenKundert/svg_schematic.git
# cd svg-schematic
# python3 setup.py --user --upgrade install
from svg_schematic import (Schematic, shift, shift_x, shift_y, midpoint, Box,
Ground, Label, Source, Wire)
with Schematic(filename="msnm.svg"):
v = Source(kind='noise', value='S(f)', orient='v')
Ground(C=v.n, orient='v')
m = Source(C=shift_x(v.p, 200), kind='mult')
Wire([v.p, m.W])
wm = Wire([m.S, shift_y(m.S, 25)])
Label(C=wm.e, loc='S', name='m(t)')
Label(C=midpoint(v.p, m.W), loc='N', name='stationary noise')
wo = Wire([m.E, shift_x(m.E, 210)])
Label(C=wo.e, kind='arrow', loc='NW', name='cyclostationary noise')
Box(C=shift(v.C, 100, -3),
w=5.5,
h=3.2,
line_width=0.5,
background='none',
stroke_dasharray="4 2")
from svg_schematic import Schematic, Box, Wire, Label, shift_x, shift_y
with Schematic(filename='network-map.svg', line_width=2):
# work network
work = Box(w=6.5, h=4.5, stroke_dasharray="4 2")
Label(C=work.SW, loc='ne', name='work')
bastion = Box(S=work.S, yoff=-25, w=5.5, h=2, color='lightgray')
Wire([bastion.E, shift_x(bastion.E, 75)])
Label(C=bastion.SW, loc='ne', name='bastion')
www = Box(NE=bastion.N,
off=(-12.5, 25),
w=2,
h=1,
color='white',
name='www')
mail = Box(NW=bastion.N,
off=(12.5, 25),
w=2,
h=1,
color='white',
name='mail')
dump = Box(SW=bastion.NW, yoff=-25, w=2.5, h=1, name='dump')
laptop = Box(SE=bastion.NE,
yoff=-25,
w=2.5,
h=1,
name='my laptop',
stroke_dasharray="2 2")
# home network
home = Box(N=work.S, yoff=50, w=6.5, h=2, stroke_dasharray="4 2")
from svg_schematic import Schematic, Source, Label
from inform import Error, error, os_error
try:
with Schematic(filename = 'source.svg'):
s = Source(kind='empty', name='Ve')
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
Label(C=s.n, name='n', loc='w', kind='dot', color='blue', w=2)
s = Source(kind='vdc', name='Vd', C=s.C, xoff=150)
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
Label(C=s.n, name='n', loc='w', kind='dot', color='blue', w=2)
s = Source(kind='idc', name='Id', C=s.C, xoff=150)
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
Label(C=s.n, name='n', loc='w', kind='dot', color='blue', w=2)
s = Source(kind='sine', name='Vs', C=s.C, xoff=150)
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
Label(C=s.n, name='n', loc='w', kind='dot', color='blue', w=2)
s = Source(kind='sum', name='S', yoff=150)
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
Label(C=s.n, name='n', loc='w', kind='dot', color='blue', w=2)
s = Source(kind='mult', name='M', C=s.C, xoff=150)
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
Label(C=s.n, name='n', loc='w', kind='dot', color='blue', w=2)
s = Source(kind='cv', name='Vc', C=s.C, xoff=150)
Label(C=s.p, name='p', loc='w', kind='dot', color='blue', w=2)
from svg_schematic import Schematic, Box, Label
from inform import Error, error, os_error
try:
with Schematic(filename='box.svg'):
b = Box(name='4 bit', value='Flash')
Label(C=b.i, name='i', loc='w', kind='dot', color='blue')
Label(C=b.o, name='o', loc='e', kind='dot', color='blue')
b = Box(name='𝘻⁻¹', w=1, h=1, C=b.C, xoff=150)
Label(C=b.i, name='i', loc='w', kind='dot', color='blue')
Label(C=b.o, name='o', loc='e', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
#!/usr/bin/env python3
from svg_schematic import (Schematic, Amp, Dot, Ground, Label, Pin, Resistor,
Source, Wire)
from inform import Error, error, os_error
try:
with Schematic(filename="inverting.svg", font_size=16,
font_family='serif'):
vin = Pin(kind='in', name='in', w=1.5)
vout = Pin(C=vin.C, xoff=350, kind='out', name='out', w=2)
Wire([vin.C, vout.C])
rin = Resistor(W=vin.C, xoff=25, name='Rin')
vg = Dot(C=rin.E, xoff=25)
rfb = Resistor(W=vg.C, xoff=25, name='Rfb')
oj = Dot(C=rfb.E, xoff=25)
amp = Amp(C=rfb.C, yoff=75, orient='-', kind='oa')
Wire([oj.C, amp.o], kind='|-')
gnd = Ground(C=amp.pi, xoff=-25, orient='h|')
Wire([gnd.C, amp.pi])
Wire([vg.C, amp.ni], kind='|-')
Label(C=vg.C, name='Vg', loc='sw')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Diode, Label
from inform import Error, error, os_error
try:
with Schematic(filename='diode.svg'):
d = Diode(name='D1')
Label(C=d.c, name='c', loc='e', kind='dot', color='blue')
Label(C=d.a, name='a', loc='w', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Ground, Label
from inform import Error, error, os_error
try:
with Schematic(filename = 'ground.svg'):
g = Ground()
Label(C=g.t, name='t', loc='n', kind='dot', color='blue')
# Label(C=g.N, name='N', loc='n', kind='dot', color='blue')
# Label(C=g.NE, name='NE', loc='ne', kind='dot', color='blue')
# Label(C=g.E, name='E', loc='e', kind='dot', color='blue')
# Label(C=g.SE, name='SE', loc='se', kind='dot', color='blue')
# Label(C=g.S, name='S', loc='s', kind='dot', color='blue')
# Label(C=g.SW, name='SW', loc='sw', kind='dot', color='blue')
# Label(C=g.W, name='W', loc='w', kind='dot', color='blue')
# Label(C=g.NW, name='NW', loc='nw', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Label, Wire, shift_x, shift_y
from inform import Error, error, os_error
try:
with Schematic(filename='label.svg'):
Wire([(0, -25), (0, 225)], color='cyan')
l = Label(kind='plain', name='plain', loc='se', w=3)
Wire([shift_x(l.C, -50), shift_x(l.C, 50)])
l = Label(kind='arrow', name='arrow', C=l.C, yoff=50, loc='se', w=3)
Wire([shift_x(l.C, -50), shift_x(l.C, 50)])
l = Label(kind='arrow|', name='arrow|', C=l.C, yoff=50, loc='se', w=3)
Wire([shift_x(l.C, -50), shift_x(l.C, 50)])
l = Label(kind='slash', name='slash', C=l.C, yoff=50, loc='se', w=3)
Wire([shift_x(l.C, -50), shift_x(l.C, 50)])
l = Label(kind='dot', name='dot', C=l.C, yoff=50, loc='se', w=3)
Wire([shift_x(l.C, -50), shift_x(l.C, 50)])
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Capacitor, Label
from inform import Error, error, os_error
try:
with Schematic(filename='capacitor.svg'):
c = Capacitor(name='C1', value='1.2pF')
Label(C=c.p, name='p', loc='n', kind='dot', color='blue')
Label(C=c.n, name='n', loc='s', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, BJT, Label
from inform import Error, error, os_error
try:
with Schematic(
filename = 'orient.svg',
background = 'none',
):
q11 = BJT(orient='v')
l11 = Label(N=q11.S, name="orient='v'")
q12 = BJT(W=q11.E, xoff=50, orient='v|')
l12 = Label(N=q12.S, name="orient='v|'")
q13 = BJT(W=q12.E, xoff=50, orient='v-')
l13 = Label(N=q13.S, name="orient='v-'")
q14 = BJT(W=q13.E, xoff=50, orient='v|-')
l14 = Label(N=q14.S, name="orient='v|-'")
q21 = BJT(N=l11.S, yoff=25, orient='h')
l21 = Label(N=q21.S, name="orient='h'")
q22 = BJT(N=l12.S, yoff=25, orient='h|')
l22 = Label(N=q22.S, name="orient='h|'")
q23 = BJT(N=l13.S, yoff=25, orient='h-')
l23 = Label(N=q23.S, name="orient='h-'")
q24 = BJT(N=l14.S, yoff=25, orient='h|-')
l24 = Label(N=q24.S, name="orient='h|-'")
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
MOS,
Inductor,
Label,
Source,
Wire,
midpoint,
shift,
shift_y,
)
from inform import Error, error, os_error
try:
with Schematic(filename="oscillator.svg", background='none', line_width=2):
# resonator
vdd = Label(loc='n', nudge=10, name=r'$V_{\rm dd}$')
Wire([vdd.C, shift_y(vdd.C, 25)])
ll = Inductor(p=shift(vdd.C, -125, 25),
orient='v',
name=r'$\frac{1}{2} L$')
lr = Inductor(p=shift(vdd.C, 125, 25),
orient='v|',
name=r'$\frac{1}{2} L$')
c = Capacitor(C=midpoint(ll.n, lr.n), orient='h', name='$C$')
Wire([ll.p, lr.p])
Wire([ll.n, c.p])
Wire([lr.n, c.n])
# gain stage
ml = MOS(d=ll.n, yoff=75, orient='|')
mr = MOS(d=lr.n, yoff=75, orient='')
with Schematic(filename='inverter.svg', line_width=2, background='none'):
# transistor version
mp = MOS(kind='p')
mn = MOS(N=mp.S, kind='n')
vin = Pin(C=midpoint(mp.g, mn.g),
xoff=-50,
kind='in',
name=r'$V_{\rm in}$',
w=2)
vout = Pin(C=midpoint(mp.d, mn.d),
xoff=50,
kind='out',
name=r'$V_{\rm out}$',
w=2)
Label(C=mp.s, loc='n', name=r'$V_{\rm dd}$')
Ground(C=mn.s)
Wire([vin.t, mp.g], kind='-|')
Wire([vin.t, mn.g], kind='-|')
Wire([vout.t, mp.d], kind='-|')
Wire([vout.t, mn.d], kind='-|')
# gate version
inv = Gate(N=mn.S, yoff=25, kind='inv')
vin = Pin(t=inv.i, xoff=-25, kind='in', name=r'$V_{\rm in}$', w=2)
vout = Pin(t=inv.o, xoff=25, kind='out', name=r'$V_{\rm out}$', w=2)
Wire([inv.o, vout.t])
Wire([inv.i, vin.t])
except Error as e:
e.report()
from svg_schematic import Schematic, Gate, Label
from inform import Error, error, os_error
try:
with Schematic(filename='gate.svg'):
u = Gate(kind='inv', name='U')
Label(C=u.i, name='i', loc='w', kind='dot', color='blue', w=2)
Label(C=u.o, name='o', loc='e', kind='dot', color='blue', w=2)
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
Ground, Inductor, Label, MOS, Pin, Resistor, Switch,
Wire, shift, shift_x, shift_y, with_x, with_y,
midpoint)
from inform import Error, error, os_error
try:
with Schematic(filename="buck.svg", line_width=2, background='none'):
pvdd = Pin(kind='in', name='pvdd', w=2)
avdd = Pin(C=pvdd.C, yoff=50, kind='in', name='avdd', w=2)
Wire([avdd.C, shift_x(avdd.C, 50)])
lvl = Pin(C=avdd.C, yoff=90, kind='in', name='lvl', w=2)
reference = Converter(i=lvl.C, xoff=75, name='ref')
lvl2ref = Wire([lvl.C, reference.i])
Label(C=lvl2ref.m, kind='slash', name='6', loc='se')
amp = Amp(pi=reference.o, xoff=50, kind='oa', name='amp')
Wire([reference.o, amp.pi])
C1 = Capacitor(p=amp.C, off=(-12.5, 75), orient='h')
R1 = Resistor(p=C1.p, xoff=12.5, orient='h')
C2 = Capacitor(C=midpoint(R1.C, C1.C), yoff=50, orient='h')
Wire([C1.n, with_y(C1.n, amp.o)], kind='-|')
Wire([R1.n, amp.ni], kind='|-')
Wire([C2.p, R1.n], kind='-|')
Wire([C2.n, C1.n], kind='-|')
cmp = Amp(pi=amp.o, xoff=125, kind='comp', name='cmp')
Wire([amp.o, cmp.pi])
gd = Box(i=cmp.o, xoff=50, name='gate', value='drivers')
with_x,
with_y,
)
from inform import Error, error, os_error
try:
with Schematic(filename='pipeline-adc.svg', line_width=2):
# Stage 1
i = Pin(kind='in', name='in')
s1 = Box(NW=i.t,
off=(25, -62.5),
w=10.5,
h=4.5,
background='lightgray')
Label(C=s1.SE, loc='nw', name='Stage 1')
adc = Box(W=i.t, off=(75, 100), name='2 bit', value='Flash')
dac = Box(i=adc.o, xoff=50, name='2 bit', value='DAC')
sh = Box(C=with_x(i.t, midpoint(adc.C, dac.C)), name='SAH')
sum = Source(W=with_x(i.t, dac.E), xoff=25, kind='sum', orient='h|')
Label(C=sum.W, loc='nw', name='+')
Label(C=sum.S, loc='se', name='−')
amp = Amp(i=sum.E, xoff=25, kind='se', name='4×')
Wire([i.t, sh.i])
Wire([sh.o, sum.W])
Wire([sum.E, amp.i])
Wire([shift_x(i.t, 50), adc.i], kind='|-')
Wire([adc.o, dac.i])
Wire([dac.o, sum.S], kind='-|')
# Stages 2, 3, 4
from svg_schematic import Schematic, BJT, Label
from inform import Error, error, os_error
try:
with Schematic(filename='bjt.svg'):
q = BJT(kind='npn', name='Qn')
Label(C=q.c, name='c', loc='n', kind='dot', color='blue')
Label(C=q.b, name='b', loc='w', kind='dot', color='blue')
Label(C=q.e, name='e', loc='s', kind='dot', color='blue')
q = BJT(kind='pnp', name='Qp', C=q.C, xoff=150)
Label(C=q.e, name='e', loc='n', kind='dot', color='blue')
Label(C=q.b, name='b', loc='w', kind='dot', color='blue')
Label(C=q.c, name='c', loc='s', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import (Schematic, shift_x, shift_y, Amp, Box, Ground,
Label, Pin, Source, Wire)
with Schematic(
filename='receiver.svg',
font_size=12,
font_family='sans',
outline='none',
pad=20,
line_width=2,
) as schematic:
# Input from horn antenna
rf_in = Pin(kind='in', name='L-band Horn', w=3)
Label(C=rf_in.C, yoff=15, loc='w', name='fc=1420MHz', w=3.5, nudge=14)
Label(C=rf_in.C, yoff=30, loc='w', name='BW=15MHz', w=3.5, nudge=14)
# First preamp
rf_preamp1 = Amp(i=rf_in.t, xoff=25, kind='se', name='RF Preamp1')
Label(C=rf_preamp1.S, loc='s', name='A>=26dB')
Wire([rf_in.t, rf_preamp1.i])
# Second preamp
rf_preamp2 = Amp(i=rf_preamp1.o, xoff=25, kind='se', name='RF Preamp2')
Label(C=rf_preamp2.S, loc='s', name='A>=26dB')
Wire([rf_preamp1.o, rf_preamp2.i])
# RF band-pass filter
rf_bpf = Box(i=rf_preamp2.o, xoff=25, name='RF BPF')
l = Label(C=rf_bpf.S, loc='s', name='fc=1380MHz')
from svg_schematic import Schematic, MOS, Label
from inform import Error, error, os_error
try:
with Schematic(filename='mos.svg'):
m = MOS(kind='n', name='Mn')
Label(C=m.d, name='d', loc='n', kind='dot', color='blue')
Label(C=m.g, name='g', loc='w', kind='dot', color='blue')
Label(C=m.s, name='s', loc='s', kind='dot', color='blue')
m = MOS(kind='p', name='Mp', C=m.C, xoff=150)
Label(C=m.s, name='s', loc='n', kind='dot', color='blue')
Label(C=m.g, name='g', loc='w', kind='dot', color='blue')
Label(C=m.d, name='d', loc='s', kind='dot', color='blue')
m = MOS(kind='', name='M', C=m.C, xoff=150)
Label(C=m.d, name='d', loc='n', kind='dot', color='blue')
Label(C=m.g, name='g', loc='w', kind='dot', color='blue')
Label(C=m.s, name='s', loc='s', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Switch, Label
from inform import Error, error, os_error
try:
with Schematic(filename='switch.svg'):
s = Switch(kind='spst', name='φ₁')
Label(C=s.i, name='i', loc='w', kind='dot', color='blue', w=2)
Label(C=s.ot, name='ot', loc='e', kind='dot', color='blue', w=2)
Label(C=s.o, name='o', loc='e', kind='dot', color='blue', w=2)
Label(C=s.ob, name='ob', loc='e', kind='dot', color='blue', w=2)
s = Switch(kind='spdt', name='φ₂', C=s.C, xoff=150)
Label(C=s.i, name='i', loc='w', kind='dot', color='blue', w=2)
Label(C=s.ot, name='ot', loc='e', kind='dot', color='blue', w=2)
Label(C=s.o, name='o', loc='e', kind='dot', color='blue', w=2)
Label(C=s.ob, name='ob', loc='e', kind='dot', color='blue', w=2)
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Label, Resistor, Wire, with_x
from inform import Error, error, os_error
try:
with Schematic(
filename='wires.svg',
background='none',
line_width=2,
):
r11 = Resistor(orient='h')
r12 = Resistor(orient='h', n=r11.p, off=(50, 50))
w = Wire([r11.p, r12.n], kind='plain')
c = with_x(w.m, r12.E)
Label(name="kind='plain'", C=c, xoff=25, loc='e', w=5)
r21 = Resistor(orient='h', C=r11.C, yoff=100)
r22 = Resistor(orient='h', n=r21.p, off=(50, 50))
w = Wire([r21.p, r22.n], kind='|-')
c = with_x(w.m, r22.E)
Label(name="kind='|-'", C=c, xoff=25, loc='e', w=5)
r31 = Resistor(orient='h', C=r21.C, yoff=100)
r32 = Resistor(orient='h', n=r31.p, off=(50, 50))
w = Wire([r31.p, r32.n], kind='-|')
c = with_x(w.m, r32.E)
Label(name="kind='-|'", C=c, xoff=25, loc='e', w=5)
r41 = Resistor(orient='h', C=r31.C, yoff=100)
r42 = Resistor(orient='h', n=r41.p, off=(50, 50))
w = Wire([r41.p, r42.n], kind='|-|')
c = with_x(w.m, r42.E)
from svg_schematic import Schematic, Amp, Converter, Label
from inform import Error, error, os_error
try:
with Schematic(filename='amp.svg'):
origin = (0, 0)
a = Amp(C=origin, kind='se', name='As')
Label(C=a.pi, name='pi', loc='w', kind='dot', color='blue', w=2)
Label(C=a.i, name='i', loc='w', kind='dot', color='blue', w=2)
Label(C=a.ni, name='ni', loc='w', kind='dot', color='blue', w=2)
Label(C=a.po, name='po', loc='e', kind='dot', color='blue', w=2)
Label(C=a.o, name='o', loc='e', kind='dot', color='blue', w=2)
Label(C=a.no, name='no', loc='e', kind='dot', color='blue', w=2)
a = Amp(kind='oa', name='Ao', C=a.C, xoff=200)
Label(C=a.pi, name='pi', loc='w', kind='dot', color='blue', w=2)
Label(C=a.i, name='i', loc='w', kind='dot', color='blue', w=2)
Label(C=a.ni, name='ni', loc='w', kind='dot', color='blue', w=2)
Label(C=a.po, name='po', loc='e', kind='dot', color='blue', w=2)
Label(C=a.o, name='o', loc='e', kind='dot', color='blue', w=2)
Label(C=a.no, name='no', loc='e', kind='dot', color='blue', w=2)
a = Amp(kind='da', name='Ad', C=a.C, xoff=200)
Label(C=a.pi, name='pi', loc='w', kind='dot', color='blue', w=2)
Label(C=a.i, name='i', loc='w', kind='dot', color='blue', w=2)
Label(C=a.ni, name='ni', loc='w', kind='dot', color='blue', w=2)
Label(C=a.po, name='po', loc='e', kind='dot', color='blue', w=2)
Label(C=a.o, name='o', loc='e', kind='dot', color='blue', w=2)
Label(C=a.no, name='no', loc='e', kind='dot', color='blue', w=2)
a = Amp(kind='comp', name='Ac', C=a.C, xoff=200)
#!/usr/bin/env python3
from svg_schematic import (Schematic, Amp, Dot, Ground, Label, Pin, Resistor,
Source, Wire)
from inform import Error, error, os_error
try:
with Schematic(filename="noninverting.svg", line_width=2):
vin = Source(kind='sine')
Label(C=vin.p, name='Vin', loc='n')
Ground(C=vin.n)
amp = Amp(pi=vin.p, xoff=100, kind='oa')
Label(C=amp.ni, xoff=-25, name='Vf', loc='n')
Wire([vin.p, amp.pi])
out = Pin(C=amp.o, xoff=50, name='out', w=2)
Wire([amp.o, out.C])
oj = Dot(C=amp.o, xoff=25)
r1 = Resistor(p=amp.ni, off=(-25, 50), name='R1', orient='v')
Wire([r1.N, amp.ni], kind='|-')
r2 = Resistor(C=amp.C, yoff=75, name='R2')
Wire([r1.p, r2.W], kind='|-')
Wire([oj.C, r2.E], kind='|-')
fj = Dot(C=r2.W, xoff=-25)
Ground(C=r1.n)
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
from svg_schematic import Schematic, Resistor, Label
from inform import Error, error, os_error
try:
with Schematic(filename='resistor.svg'):
r = Resistor(name='Rs', value='50Ω')
Label(C=r.p, name='p', loc='e', kind='dot', color='blue')
Label(C=r.n, name='n', loc='w', kind='dot', color='blue')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
with Schematic(filename='mfed.svg', line_width=2, background='none'):
vin = Source(name='Vin', value='1 V', kind='sine')
Ground(C=vin.n)
rs = Resistor(name='Rs', value=Rref, n=vin.p, xoff=25)
Wire([vin.p, rs.n])
c1 = Capacitor(name='C1', value=C1, p=rs.p, xoff=25)
Ground(C=c1.n)
l2 = Inductor(name='L2', value=L2, n=c1.p, xoff=25)
Wire([rs.p, l2.n])
c3 = Capacitor(name='C3', value=C3, p=l2.p, xoff=25)
Ground(C=c3.n)
l4 = Inductor(name='L4', value=L4, n=c3.p, xoff=25)
Wire([l2.p, l4.n])
c5 = Capacitor(name='C5', value=C5, p=l4.p, xoff=25)
Ground(C=c5.n)
rl = Resistor(name='Rl', value=Rref, p=c5.p, xoff=100, orient='v')
Ground(C=rl.n)
out = Pin(name='out', C=rl.p, xoff=50, w=2)
Wire([l4.p, out.t])
Label(S=c3.N, yoff=-50, name=f'{Fo} LPF', loc='s')
Dot(C=c1.p)
Dot(C=c3.p)
Dot(C=c5.p)
Dot(C=rl.p)
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
#!/usr/bin/env python3
from svg_schematic import Schematic, Amp, Box, Label, Pin, Source, Wire, shift_x
from inform import Error, error, os_error
try:
with Schematic(
filename = "feedback.svg",
font_size=16,
font_family='serif'
):
summer = Source(kind='sum')
amp = Amp(W=summer.E, xoff=25, name='$a$', kind='se')
fb = Box(C=amp.C, yoff=100, name='$f$', h=1, orient='|')
Label(C=summer.W, name='$+$', loc='nw')
Label(C=summer.S, name='$-$', loc='sw')
i = Pin(C=summer.W, xoff=-50, name='in', kind='in')
o = Pin(C=amp.E, xoff=50, name='out', kind='out')
Wire([i.C, summer.W])
Wire([summer.E, amp.i])
Wire([amp.E, o.C])
Wire([shift_x(amp.E, 25), fb.i], kind='|-')
Wire([summer.S, fb.W], kind='|-')
except Error as e:
e.report()
except OSError as e:
error(os_error(e))