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//Variable declaration
t=1 //time constant
e=1.8 //e=R1/R2 min=1.8
e1=9. //e1=R1/R2 max=9
//Calculations
Betamin=1/(1+e) //current gain minimum
Betamax=1/(1+e1) //current gain maximum
Tmax=2*t*log((1+Betamin)/(1-Betamin))
Tmin=2*t*log((1+Betamax)/(1-Betamax))
fmin=1/Tmax //minimum freq(Hz)
fmax=1/Tmin //maximum freq(k Hz)
//Results
printf ("fmin is %.f Hz and fmax is %.1f KHz",fmin/1E-3,fmax)
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