1 files changed, 34 insertions, 0 deletions
diff --git a/281/CH7/EX7.1/example7_1.sce b/281/CH7/EX7.1/example7_1.sce
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+disp('chapter 7 ex7.1')
+disp('given')
+disp('Design a nonsaturating precision half wave rectifier')
+disp('peak output Vo=2volt')
+Vo=2
+disp('input peak value Vi=.5volt')
+Vi=0.5
+disp('frequency f=1MHz')
+f=1*10^(6)
+disp('supply voltage Vcc=+or-15volt and Vee=15volt')  //(using bipolar op-amp)
+Vcc=15
+Vee=15
+disp('I1>IBmax')
+disp('I1=500*10^(-6)A')  //for adequate diode current
+I1=500*10^(-6)
+disp('R1=Vi/I1')
+R1=Vi/I1
+disp('ohms',R1)   //standard value
+disp('R2=Vo/I1')
+R2=Vo/I1
+disp('ohms',R2)
+disp('use 3.9kohm standard value')
+R2=3900
+disp('R3=R1||R2')
+R3=R1*R2/(R1+R2)
+disp('ohms',R3)  //use 820ohm standard value
+disp('for diode D1 and D2')
+disp('Vr>[Vcc-(-Vee)]')
+Vr=[Vcc-(-Vee)]
+disp('volts',Vr)
+disp('trr<T')
+disp('let trrmax=T/10=1/(10*f)')
+trrmax=1/(10*f)
+disp('seconds',trrmax) //compensate the op-amp as a voltage follower
+\ No newline at end of file