45 lines
704 B
Python
45 lines
704 B
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Thu Feb 28 11:00:18 2019
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@author: oyvind
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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def H13(f):
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w = 2 * np.pi * f
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return (w * 10**(-4))/np.sqrt(1+(w*10**(-4))**2)
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def H2(f):
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w = 2 * np.pi * f
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return (1/np.sqrt(1+(w*100*10**(-9)*10**4)**2))
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def H4(f):
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w = 2 * np.pi * f
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R = 99.76
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L = 100 * 10**(-3)
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t = L / R
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return (1/np.sqrt(1+(w*t)**2))
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frq = []
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values = []
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for i in range(2*10**4):
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frq.append(i)
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value = 20 * np.log10(abs(H4(i)))
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values.append(value)
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plt.plot(frq, values)
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plt.xscale('log')
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plt.gca().xaxis.grid(True)
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plt.gca().yaxis.grid(True)
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