#!/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 inform import Error, error, os_error
from quantiphy import Quantity
from math import pi
except ImportError:
print('Run `pip install --user -r requirements.txt`',
'to install missing packages.')
raise SystemExit
Quantity.set_prefs(map_sf=Quantity.map_sf_to_greek, prec=2)
globals().update(Quantity.extract(__doc__, predefined={'π': pi}))
try:
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([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')
Wire([cmp.o, gd.i])
pfet = MOS(g=gd.N, yoff=-50, kind='p', orient='h')
Wire([pfet.g, gd.N])
Wire([pfet.s, pvdd.C])
nfet = MOS(g=gd.o, xoff=25, kind='n', orient='v')
Wire([nfet.g, gd.o])
Wire([nfet.d, pfet.d], kind='|-')
Ground(C=nfet.s)
ind = Inductor(n=with_x(pfet.d, nfet.E), orient='h')
Wire([pfet.d, ind.n])
cap = Capacitor(p=ind.p, orient='v')
Ground(C=cap.n)
out = Pin(C=ind.p, xoff=100, kind='out', name='out', w=2)
out_wire = Wire([ind.p, out.C])
fb = shift_y(R1.n, 100)
Rt = Resistor(n=with_x(fb, out_wire.m), orient='v')
Rb = Resistor(p=with_x(fb, out_wire.m), orient='v')
Wire([Rt.p, with_y(Rt.p, out.C)])
Ground(C=Rb.n)
#!/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))
# 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")
vin = Pin(kind='in', name=r'$V_{\rm in}$', w=2)
p1 = Pin(C=vin.C, yoff=150, kind='in', name=r'$\phi_1$', w=2)
p2 = Pin(C=p1.C, yoff=50, kind='in', name=r'$\phi_2$', w=2)
d1 = Diode(a=vin.C, xoff=25, orient='h')
c1 = Capacitor(p=d1.c, off=(25, 25), orient='v')
d2 = Diode(a=d1.c, xoff=50, orient='h')
c2 = Capacitor(p=d2.c, off=(25, 25), orient='v')
d3 = Diode(a=d2.c, xoff=50, orient='h')
c3 = Capacitor(p=d3.c, off=(25, 25), orient='v')
d4 = Diode(a=d3.c, xoff=50, orient='h')
c4 = Capacitor(p=d4.c, off=(25, 25), orient='v')
d5 = Diode(a=d4.c, xoff=50, orient='h')
c5 = Capacitor(p=d5.c, off=(25, 25), orient='v')
vout = Pin(C=d5.c, xoff=75, kind='out', name=r'$V_{\rm out}$', w=2)
Ground(t=c5.n)
Wire([vin.t, d1.a])
Wire([d1.c, d2.a])
Wire([d2.c, d3.a])
Wire([d3.c, d4.a])
Wire([d4.c, d5.a])
Wire([d5.c, vout.t])
Wire([with_x(vin.t, c1.C), c1.p])
Wire([with_x(vin.t, c2.C), c2.p])
Wire([with_x(vin.t, c3.C), c3.p])
Wire([with_x(vin.t, c4.C), c4.p])
Wire([with_x(vin.t, c5.C), c5.p])
Wire([p1.t, c1.n], kind='-|')
Wire([p2.t, c2.n], kind='-|')
co = Dot(C=with_x(p1.C, c2.C), color='white') # wire cross over
rf_amp2 = Amp(i=rf_amp1.o, xoff=25, kind='se', name='RF Amp2')
Label(C=rf_amp2.S, loc='s', name='A<=20dB')
Wire([rf_amp1.o, rf_amp2.i])
# RF mixer
rf_mixer = Source(W=rf_amp2.o, xoff=25, kind='mult')
Label(C=rf_mixer.N, loc='n', name='DSB')
Wire([rf_amp2.o, rf_mixer.W])
# RF local oscillator
rf_lo = Source(p=rf_mixer.S,
yoff=50,
kind='sine',
name='fo=1230MHz',
value='P=10dBm')
Ground(t=rf_lo.n)
Wire([rf_mixer.S, rf_lo.N])
# IF band-pass filter
if_bpf = Box(i=rf_mixer.E, xoff=25, name='IF BPF')
l = Label(C=if_bpf.S, loc='s', name='fc=190MHz')
Label(C=l.S, name='BW=22MHz')
Wire([rf_mixer.E, if_bpf.i])
# IF amplifier
if_amp = Amp(i=if_bpf.o, xoff=25, name='IF Amp')
Label(C=if_amp.S, loc='s', name='A=20dB')
Wire([if_bpf.o, if_amp.i])
# IF mixer
if_mixer = Source(W=if_amp.o, xoff=20, kind='mult')
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))
# 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()
except OSError as e: