From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 2459/CH27/EX27.5/Ex27_5.sce | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 2459/CH27/EX27.5/Ex27_5.sce (limited to '2459/CH27/EX27.5/Ex27_5.sce') diff --git a/2459/CH27/EX27.5/Ex27_5.sce b/2459/CH27/EX27.5/Ex27_5.sce new file mode 100644 index 000000000..aa7b2b3df --- /dev/null +++ b/2459/CH27/EX27.5/Ex27_5.sce @@ -0,0 +1,19 @@ +//chapter27 +//example27.5 +//page582 + +hie=1700 // ohm +hre=1.3d-4 +hoe=6d-6 // mho +hfe=38 +rL=2000 // ohm + +Zin=hie-hre*hfe/(hoe+1/rL) + +Ai=hfe/(1+hoe*rL) + +Av=-hfe/(Zin*(hoe+1/rL)) + +printf("input impedence = %.3f ohm \n",Zin) +printf("current gain = %.3f \n",Ai) +printf("voltage gain = %.3f \n",-Av) // considering magnitude of Av,we neglect its negative sign and so we display -Av instead of Av -- cgit