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 --- 74/CH1/EX1.14/example14_sce.sce | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100755 74/CH1/EX1.14/example14_sce.sce (limited to '74/CH1/EX1.14/example14_sce.sce') diff --git a/74/CH1/EX1.14/example14_sce.sce b/74/CH1/EX1.14/example14_sce.sce new file mode 100755 index 000000000..1b549d812 --- /dev/null +++ b/74/CH1/EX1.14/example14_sce.sce @@ -0,0 +1,29 @@ +// chapter 1 +//example 1.14 +// page 46, figure1.54 +Bac=100;Bdc=100; +Vbe=.715;Vd1=.715; Vz=6.2;Vee=-10;Vcc=10;Vt=26*10^-3;// at room temprature +Re=2700;Rin=10000;Rc=4700;//assuming Rin= 10k +Izt=41*10^-3; +Vin=0;// for dc analysis +//calculation of the value of Ie,Icq1 and Icq2 +Vb3=Vee+Vz+Vd1 +Ve3=Vb3-Vbe +Ie=(Ve3-Vee)/Re; +disp(Ie) +Ie1=Ie/2 +Ie2=Ie/2 +A=B/(1+B); +Icq=A*Ie1;//(B/(B+1))*Ie1 +disp(Icq) +Icq2=Icq; +disp(Icq2) +Gm=Icq/Vt// Vt at room temp 26mA +r=(B*Vt)/Icq +Ib=Icq/B +Ve1=-Ib*Rin-Vbe; +disp(Ve1)//result +Vc1=Vcc-Icq*Rc; +disp(Vc1) +Vceq=Vc1-Ve1; +disp(Vceq,Icq)//result operating point \ No newline at end of file -- cgit