text: # -*- coding: utf-8 -*-
  """
  Created on Tue Mar 10 10:46:48 2020
  
  @author: RogelioTESI
  """
  import numpy as np 
  import matplotlib.pyplot as plt
  Em=10
  Ec=20
  fm=5e3
  fc=100e3
  Tm=1/fm
  t=np.linspace(0,2*Tm,num=2000)
  Vm=Em*np.sin(2*np.pi*fm*t)
  Vc=Ec*np.sin(2*np.pi*fc*t)
  Vmod=(Ec+Em*np.sin(2*np.pi*fm*t))*np.sin(2*np.pi*fc*t)
  fig,axes=plt.subplots()
  axes.plot(t*1000,Vm)
  axes.plot(t*1000,Vc)
  axes.set_xlabel('Time(ms)')
  axes.set_ylabel('Amplitud(V)')
  plt.grid(True)
  fig1,axes1=plt.subplots()
  axes1.plot(t*1000,Vmod)
  axes1.set_xlabel('Time(ms)')
  axes1.set_ylabel('Amplitud(V)')
  plt.grid(True)