Example #1
0
import menzalib as l3
import numpy as np

Vout, f = np.loadtxt("2a.txt", unpack=True)
Vin = 1.14
dVin = l3.dVosc(Vin)
dVout = l3.dVosc(Vout)
Av = Vout / Vin
dAv = l3.drapp(Vout, dVout, Vin, dVin)

out = open("output.txt", "w")
for i in range(len(Vout)):
    s = "$%0.1f \pm %0.1f$& $ %0.2f \pm %0.3f$& $%0.3f\pm %0.4f$ \\\ \n" % (
        f[i], f[i] * 0.01, Vout[i], dVout[i], Av[i], dAv[i])
    out.write(s)
out.close()
Example #2
0
    for i in range(0, len(v1)):
        for j in range(0, len(v1)):
            if (s1[i] == v1[j]):
                s2[i] = v2[j]
                break
    return s1, s2


Vt, dVt = [0.260, mz.dVosc(0.260)]  #voltaggio in ingresso

f, df, deltaf, ddeltaf, V = np.genfromtxt(
    'dati/1.txt', unpack='True')  #aggiusta l'errore sullo sfasamento
ddeltaf = np.sqrt((0.02 * deltaf)**2 + ddeltaf**2)
#calcolo la fase
fase = 360 * f / deltaf
dfase = 360 * mz.drapp(f, df, deltaf, ddeltaf)

#metto i dati alla frequenza di taglio
f = np.append(f, 1598.34)  #frequenza di tagli
df = np.append(df, 0.01)
V = np.append(V, 182)  #ampiezza di taglio
fase = np.append(fase, 0)
dfase = np.append(dfase, 0.08)  #aggiusta l'errore sullo sfasamento

#ordino in i dati
f_temp = f
f, fase = ordina_2_vett(f, fase)
f, df = ordina_2_vett(f_temp, df)
f, V = ordina_2_vett(f_temp, V)
f, dfase = ordina_2_vett(f_temp, dfase)
Example #3
0
def lineare(x, a, b):
    return a * x + b


def costante(x, a, b):
    return a


#Punto 1.a
R1 = 1.187e3
dR1 = mz.dRdig(R1)
R2 = 12.16e3
dR2 = mz.dRdig(R2)

Aexp = R2 / R1
dAexp = mz.drapp(R2, dR2, R1, dR1)

#punto 1.c
Vin, Vout = np.genfromtxt('dati/1c.txt', unpack='True')
dVin = mz.dVosc(Vin)
dVout = mz.dVosc(Vout)
A = Vout / Vin
dA = mz.drapp(Vout, dVout, Vin, dVin)

tab1 = [mz.ne_tex(Vin, dVin), mz.ne_tex(Vout, dVout), mz.ne_tex(A, dA)]

mz.stampa_matrice_latex(tab1)
popt, pcov = mz.curve_fitdx(lineare, Vin, Vout, dx=dVin, dy=dVout)
chi2, pval = mz.chi2_pval(lineare,
                          Vin,
                          Vout,
Example #4
0
R1 = 178500
R2 = 17650
Rc = 9820
Re = 1014
dR1, dR2, dRc, dRe = mz.dRdig([R1, R2, Rc, Re])

Cout = 110.7e-9
Cin = 221e-9

Vcc = 19.97
Vbe = 0.7  # ddp base emettitore al punto di lavoro
Vrc = 9.92
dVcc, dVbe, dVrc = mz.dVdig([Vcc, Vbe, Vrc])

Vbb = Vcc / (1 + R1 / R2)
dVbb = mz.drapp(Vcc, dVcc, 1 + R1 / R2, mz.drapp(R1, dR1, R2, dR2))
Ic_q = (Vbb - Vbe) / Re
dIc_q = mz.drapp(Vbb - Vbe, dVbb + dVbe, Re, dRe)
Vce_q = Vcc - Ic_q * (Rc + Re)
dVce_q = dVcc + mz.dprod(Vbb - Vbe, dVbb + dVbe, 1 +
                         (Rc / Re), mz.drapp(Rc, dRc, Re, dRe))

print(Vbb, dVbb)
print("Ic_q %f+-%f\nVce_q %f+-%f" % (Ic_q, dIc_q, Vce_q, dVce_q))
#print(18.24/R1, 1.644/R2, Ic_q/100)
print(Vrc / Rc, mz.drapp(Vrc, dVrc, Rc, dRc))

Vin = 1
#Vout, f = np.genfromtxt("dati/dati.txt", unpack=True)
plt.figure()