Chapter - 31 : TIME BASE CIRCUIT

Ex 31.1 Pg 901

In [2]:
from __future__ import division
from math import log10
R=100*10**3#
C=0.4*10**-6#
n=0.57#
f=1/(2.3*R*C*log10(1/(1-n)))#
print 'f=%0.2f HZ'%f

f=29.66 HZ

Ex 31.2 Pg 901

In [3]:
from __future__ import division
from math import log10
n=0.62#
R=5*10**3#
C=0.05*10**-6#
T=2.3*R*C*log10(1/(1-n))
print 'T=%0.2f msec'%(T*10**3)
f=1/T#
print 'f=%0.2f HZ'%f
f1=50#
T1=1/f1#
R=T1/(2.3*C*log10(1/(1-n)))#
print 'R=%0.2f kohm'%(R*10**-3)
C=0.5*10**-6#
R=T1/(2.3*C*log10(1/(1-n)))#
print 'R=%0.2f kohm'%(R*10**-3)

T=0.24 msec
f=4138.65 HZ
R=413.87 kohm
R=41.39 kohm