From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 281/CH7/EX7.2/example7_2.sce | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100755 281/CH7/EX7.2/example7_2.sce (limited to '281/CH7/EX7.2') diff --git a/281/CH7/EX7.2/example7_2.sce b/281/CH7/EX7.2/example7_2.sce new file mode 100755 index 000000000..b8b88deed --- /dev/null +++ b/281/CH7/EX7.2/example7_2.sce @@ -0,0 +1,40 @@ +disp('chapter 7 ex7.2') +disp('given') +disp('Design a precision full-wave rectifier circuit') +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') //(using bipolar op-amp) +Vcc=15 +disp('I1>IBmax') +disp('let 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=2*R1') +R2=2*R1 +disp('ohms',R2) //use two 1kohm resistors in series +disp('R3=R1||R2') +R3=R1*R2/(R1+R2) +disp('ohms',R3) //use 680ohm standard value +disp('R4=R5=R1=1kohm') +R4=1000 +R5=1000 +disp('for the output tobe 2volt when the input is 0.5volt') +disp('R6=Vo/Vi*R5') +R6=Vo/Vi*R5 +disp('ohms',R6) +disp('use standard value R6=3.9kohm') +R6=3900 +disp('R7=R4||R5||R6') +R7=R4*R5*R6/(R4*R5+R5*R6+R6*R4) +disp('ohms',R7) //use 470ohm standard value +disp('For diode D1 and D2,Vr>30volt and trrmax=0.1microsec as in ex7.1') +disp('Compensate A1 as a voltage follower') +disp('A2 for gain of R6+R4||R5/(R4||R5)') +A2=(R6+(R4*R5/(R4+R5)))/(R4*R5/(R4+R5)) +disp(A2) \ No newline at end of file -- cgit