c = Capacitor(W=r.E, name='C', orient='v')
l = Inductor(W=c.E, name='L', orient='v|')
Wire([r.p, c.p, l.p], kind='-|-')
Wire([r.n, c.n, l.n], kind='-|-')
with Schematic(filename="rlc1b.svg"):
r = Resistor(name='R', orient='h')
c = Capacitor(n=r.p, name='C', orient='h|')
l = Inductor(n=c.p, name='L', orient='h')
with Schematic(filename="rlc2.svg"):
r = Resistor(name='R', orient='v')
c = Capacitor(C=r.C, off=(100, 25), name='C', orient='v')
l = Inductor(C=c.C, xoff=100, name='L', orient='v|')
Wire([r.p, c.p, l.p], kind='-|-')
Wire([r.n, c.n, l.n], kind='-|-')
with Schematic(filename="rlc3.svg"):
r = Resistor(name='R', orient='v')
c = Capacitor(C=r.C, xoff=100, name='C', orient='v')
l = Inductor(C=c.C, xoff=100, name='L', orient='v|')
Wire([r.p, shift_y(r.p, -12.5), shift_y(c.p, -12.5), c.p])
Wire([c.p, shift_y(c.p, -12.5), shift_y(l.p, -12.5), l.p])
Wire([r.n, shift_y(r.n, 12.5), shift_y(c.n, 12.5), c.n])
Wire([c.n, shift_y(c.n, 12.5), shift_y(l.n, 12.5), l.n])
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
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)
RG = Box(o=C1.n, yoff=175)
rg2cmp = Wire([RG.o, cmp.ni], kind='-|-')
Dot(C=with_y(rg2cmp.m, fb), color='white')
Wire([
shift_x(RG.C, -30),
shift(RG.C, -25, 25),
shift(RG.C, 25, -25),
shift_x(RG.C, 30)
])
# 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, Pin, Wire, shift_x, shift_y
from inform import Error, error, os_error
try:
with Schematic(filename='pin.svg'):
Wire([(0, -25), (0, 175)], color='cyan')
p = Pin(kind='none', name='none', value='none value', w=5)
Wire([shift_x(p.C, -50), shift_x(p.C, 50)])
p = Pin(kind='dot', name='dot', C=p.C, yoff=50, value='dot value', w=5)
Wire([shift_x(p.C, -50), shift_x(p.C, 50)])
Wire([shift_y(p.C, -25), shift_y(p.C, 25)])
p = Pin(kind='in', name='in', C=p.C, yoff=50, w=5)
Wire([p.C, shift_x(p.C, 25)])
p = Pin(kind='out', name='out', C=p.C, yoff=50, w=5)
Wire([p.C, shift_x(p.C, -50)])
except Error as e:
e.report()
except OSError as e:
error(os_error(e))
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='')
Wire([ll.n, ml.d])
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=50, orient='|')
mr = MOS(d=lr.n, yoff=50, orient='')
Wire([ll.n, ml.d])