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

---
 3507/CH14/EX14.12/Ex14_12.sce | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 3507/CH14/EX14.12/Ex14_12.sce

(limited to '3507/CH14/EX14.12/Ex14_12.sce')

diff --git a/3507/CH14/EX14.12/Ex14_12.sce b/3507/CH14/EX14.12/Ex14_12.sce
new file mode 100644
index 000000000..f79b65a17
--- /dev/null
+++ b/3507/CH14/EX14.12/Ex14_12.sce
@@ -0,0 +1,16 @@
+// chapter14
+// example14.12
+// page 307
+
+Rin=1d3 // ohm
+Rc= 10d3 // ohm
+Rl=100 // ohm
+gain_beta=100
+
+// effective collector load is
+R_AC=Rc*Rl/(Rc+Rl)
+Av=gain_beta*R_AC/Rin
+
+printf("voltage gain = %.3f \n",Av)
+printf("comment : load is only 100 ohm so efective load of amplifier is too much reduced.\nThus voltage gain is very small.\n")
+printf("In such cases we can use a step down transformer to serve the purpose. \n")
-- 
cgit