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/CH5/EX5.16/example5_16.sce | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100755 281/CH5/EX5.16/example5_16.sce (limited to '281/CH5/EX5.16/example5_16.sce') diff --git a/281/CH5/EX5.16/example5_16.sce b/281/CH5/EX5.16/example5_16.sce new file mode 100755 index 000000000..7905cd390 --- /dev/null +++ b/281/CH5/EX5.16/example5_16.sce @@ -0,0 +1,36 @@ +disp('chapter 5 ex5.16') +disp('given') +disp('calculating R4 and C4 for high Zin Mod for ex 5.4') +disp('assuming R3 is a short circuit') +disp('circuit is designed to have Av=1/beta') +beta=0.01 +Av=1/beta +disp(Av,'Av=') +Avindb=20*log10(Av) +disp(Avindb,'Av in db=') +disp('to reduce next compensating components select 1/beta1=1000=60db') +disp('1/beta1=((r1||r4)+r2)/(r1||r4)') +disp('r2=220kohms,r1=2.2kohm') +disp('r14=r1||r4=r2/(1000-1)') +r2=220000 +r1=2200 +r14=r2/(1000-1) +disp('ohms',r14) +disp('(1/r4)=(1/220)-(1/r1)') +g4=(1/r14)-(1/r1) +r4=1/g4 +disp('ohms',r4) +disp('use 220ohm std value') +r4=220 +disp('the compensating components for 1/beta1=60db are c1=10pf,r1=0,c2=3pf') +c1=10*10^(-12) +c2=3*10^(-12) +r1=0 +disp('the frequency at which M*beta=1 is found and is equal to 2MHz') +f2=2000000 +disp('Xc4<