diff options
Diffstat (limited to '3041/CH8/EX8.4')
| -rwxr-xr-x | 3041/CH8/EX8.4/Ex8_4.sce | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/3041/CH8/EX8.4/Ex8_4.sce b/3041/CH8/EX8.4/Ex8_4.sce new file mode 100755 index 000000000..73bf3be05 --- /dev/null +++ b/3041/CH8/EX8.4/Ex8_4.sce @@ -0,0 +1,37 @@ +//Variable declaration +Vi=25 //input voltage(V) +Vsmax=30 //supply voltage max(V) +Vomin=12 //output minimum voltage or load voltage(V) +Vl=12 +R1=20 //load voltage(V) +Io=15. //output current(mA) +Iq=3. //quinscent current of regulator(mA) +Vo=20. //output voltage(V) + +//Calculations +//Part a +//(i) +Vimax=Vsmax //maximum permissible voltage(V) +Ro=0 //for Vomin=beta=0 +//(ii) +Vomax=Vi-2 +betaVomax=Vomax-Vomin //output voltage(V) +R2max=(R1*betaVomax)/(Vomax-betaVomax) //R2max(k ohms) +//(iii) +R3=betaVomax/Io //R3(k ohms) + +//Part b +Vt=(Iq*betaVomax)/Io //common terminal fall(V) +Vomin1=Vl+Vt //voltage output minimum(V) + +//Part c +betaVo=Vo-Vl //output voltage(V) +beta=betaVo/Vo //current gain +R2=(R1*betaVo)/(Vo-betaVo) //R2(ohms) + +//Results +printf ("a)i)max permissible supply voltage is %.1f V",Vimax) +printf ("ii)output voltage range for Vi=25V is %.1f V to %.1f V and R2max is %.f k ohms",Vomin,Vomax,R2max) +printf ("iii)R3 is %.2f kohms kohms",R3) +printf ("b)Vomin is %.1f V",Vomin1) +printf ("c)R2 is %.2f ohms and R3 is %.3f ohms",R2,R3) |