# Chapter - 26 : TUNED AMPLIFIERS¶

## Ex 26.1 Pg 802¶

In [1]:
from __future__ import division
from math import sqrt
L=150*10**-6#
C=100*10**-12#
fo=0.159/sqrt (L*C)#
print 'fo=%0.2f MHZ'%(fo*10**-6)

fo=1.30 MHZ


## Ex 26.2 Pg 803¶

In [2]:
from __future__ import division
from math import sqrt
L=100*10**-6#
C=100*10**-12#
R=5#
fo=0.159/sqrt (L*C)#
print 'fo=%0.2f MHZ'%(fo*10**-6)
Zp=L/(C*R)#
print 'Zp=%0.2f Kohm'%(Zp*10**-3)

fo=1.59 MHZ
Zp=200.00 Kohm


## Ex 26.3 Pg 804¶

In [3]:
from __future__ import division

fo=1*10**6#
Qo=100#
BW=fo/Qo#
print 'BW=%0.2f kHZ'%(BW*10**-3)

BW=10.00 kHZ


## Ex 26.4 Pg 805¶

In [4]:
from __future__ import division

fo=1600*10**3#
BW=10*10**3#
Qo=fo/BW#
print "Qo=%0.2f"%(Qo)#

Qo=160.00


## Ex 26.5 Pg 806¶

In [5]:
from __future__ import division

fo=2*10**6#
BW=50*10**3#
Qo=fo/BW#
print "Qo=%0.2f"%(Qo)#

Qo=40.00


## Ex 26.6 Pg 807¶

In [6]:
from __future__ import division
from math import pi
fo=455*10**3#
BW=10*10**3#
XL=1255#
Qo=fo/BW#
R=XL/Qo#
L=XL/(2*pi*fo)#
C=1/(XL*2*pi*fo)#
Zp=L/(C*R)#
print 'Zp=%0.2f kohm'%(Zp*10**-3)

Zp=57.10 kohm