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//chapter17
//example17.2
//page377
C1=0.001d-6 // F
C2=0.01d-6 // F
L=15d-6 // H
Ct=C1*C2/(C1+C2) // since both are in series
f=1/(2*%pi*(L*Ct)^0.5)
mv=C1/C2
printf("operating frequency = %.3f Hz or %.3f kHz \n",f,f/1000)
printf("feedback function = %.3f",mv)
//in book the answer given is 1361 kHz but accurate answer is 1362.922 kHz
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