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

---
 181/CH7/EX7.25/example7_25.sce | 22 ++++++++++++++++++++++
 181/CH7/EX7.25/example7_25.txt |  1 +
 2 files changed, 23 insertions(+)
 create mode 100755 181/CH7/EX7.25/example7_25.sce
 create mode 100755 181/CH7/EX7.25/example7_25.txt

(limited to '181/CH7/EX7.25')

diff --git a/181/CH7/EX7.25/example7_25.sce b/181/CH7/EX7.25/example7_25.sce
new file mode 100755
index 000000000..db63c4850
--- /dev/null
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@@ -0,0 +1,22 @@
+// Find pinch off voltage
+// Basic Electronics
+// By Debashis De
+// First Edition, 2010
+// Dorling Kindersley Pvt. Ltd. India
+// Example 7-25 in page 330
+
+clear; clc; close;
+
+// Given data
+Idss=10; // Drain-source current in mA
+Vp=-4; // Original pinch off voltage in V
+Vgs=-2; // Gate-source voltage in V
+gm=4; // Transcondonductance in m-mho
+
+// Calculation
+Ids=Idss*(1-(Vgs/Vp))^2;
+A=(-2*Ids)/gm;
+printf("Pinch off voltage Vp = %0.0f V",A);
+
+// Result
+// Vp at gm = 4 m-mho is -1V
\ No newline at end of file
diff --git a/181/CH7/EX7.25/example7_25.txt b/181/CH7/EX7.25/example7_25.txt
new file mode 100755
index 000000000..611b95992
--- /dev/null
+++ b/181/CH7/EX7.25/example7_25.txt
@@ -0,0 +1 @@
+Pinch off voltage Vp = -1 V 
\ No newline at end of file
-- 
cgit