# Chapter 11: Multiplexing¶

## Example 11.1,Page number 386¶

In [2]:
import math

#given

q=4.9*10**-18;          #in m/W.GHz raman  gain slope
f=100;                  #in GHz
A=50*10**-6;            #cross sectional area in micro  meter square
P0=3.5;                 #in mW
Le=10*10**3;
G=q*f*10**6/2/A;
N=20;
print"G =","{0:.3e}".format(G);
CT=N*(N-1)*(P0*10**-3*G*Le)/2;
print"CT(L) =",round(CT,3);

G = 4.900e-06
CT(L) = 0.033


## Example 11.2,Page number 410¶

In [4]:
import math

#given

K0=2*math.pi*625;    #in MHz/V
Ip=0.6;              #in mA
N=64;
w=2.44;              #in Mhz
Z=5;
Vout=5;              #in V
C=(4*K0*10**6*Ip*10**-3*Z)/(2*math.pi*N*w*w*10**12);
print"The value of capacitance is",round(C*10**9,4),"nF";

The value of capacitance is 19.6835 nF


## Example 11.3,Page number 410¶

In [8]:
import math

#given

K0=2*math.pi*625;       #in MHz/V
Ip=0.35;                #in mA
N=64;
w=2.44;                 #in MHz
Z=5;
Vout=4;                 #in V
C=22;                   #in nF
Z=math.sqrt((2*math.pi*N*w**2*C)/(4*Ip*K0*0.25));
print"Zeta is",round(Z,4);

Zeta is 6.1904