コード例 #1
0
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)
コード例 #2
0
        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
        Wire([p1.t, c3.n], kind='-|')
        Wire([p2.t, c4.n], kind='-|')

except Error as e:
    e.report()
except OSError as e:
    error(os_error(e))
コード例 #3
0
        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)

        RG = Box(o=C1.n, yoff=175)
        rg2cmp = Wire([RG.o, cmp.ni], kind='-|-')
コード例 #4
0
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
        s2 = Box(N=dac.S, off=(25, 75), name='Stage 2')
        s3 = Box(W=s2.E, xoff=50, name='Stage 3')
        s4 = Box(W=s3.E, xoff=50, name='4 bit', value='Flash')