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-rw-r--r--3754/CH28/EX28.1/28_1.sce14
-rw-r--r--3754/CH28/EX28.2/28_2.sce16
-rw-r--r--3754/CH28/EX28.3/28_3.sce14
-rw-r--r--3754/CH28/EX28.4/28_4.sce14
-rw-r--r--3754/CH28/EX28.5/28_5.sce14
-rw-r--r--3754/CH28/EX28.6/28_6.sce19
6 files changed, 91 insertions, 0 deletions
diff --git a/3754/CH28/EX28.1/28_1.sce b/3754/CH28/EX28.1/28_1.sce
new file mode 100644
index 000000000..3e6b05039
--- /dev/null
+++ b/3754/CH28/EX28.1/28_1.sce
@@ -0,0 +1,14 @@
+clear//
+
+//Variables
+
+L = 150.0 * 10**-6 //Inductance (in Henry)
+C = 100.0 * 10**-12 //Capacitance (in Farad)
+
+//Calculation
+
+fo = 0.159 / (L * C)**0.5 //Resonant frequency (in Hertz)
+
+//Result
+
+printf("\n The resonant frequency is %0.1f MHz.",fo * 10**-6)
diff --git a/3754/CH28/EX28.2/28_2.sce b/3754/CH28/EX28.2/28_2.sce
new file mode 100644
index 000000000..aaff26c44
--- /dev/null
+++ b/3754/CH28/EX28.2/28_2.sce
@@ -0,0 +1,16 @@
+clear//
+
+//Variables
+
+L = 100.0 * 10**-6 //Inductance (in Henry)
+C = 100.0 * 10**-12 //Capacitance (in Farad)
+R = 5.0 //Resistance (in ohm)
+
+//Calculation
+
+fo = 0.159 / (L * C)**0.5 //Resonant frequency (in Hertz)
+Zp = L / (C*R) //Circuit impedance at resonance (in ohm)
+
+//Result
+
+printf("\n Resonant frequency is %0.3f MHz.\nCircuit impedance at resonance is %0.3f kilo-ohm.",fo*10**-6,Zp*10**-3)
diff --git a/3754/CH28/EX28.3/28_3.sce b/3754/CH28/EX28.3/28_3.sce
new file mode 100644
index 000000000..7604ada98
--- /dev/null
+++ b/3754/CH28/EX28.3/28_3.sce
@@ -0,0 +1,14 @@
+clear//
+
+//Variables
+
+fo = 1.0 * 10**6 //Resonant frequency (in Hertz)
+Qo = 100.0 //Quality factor
+
+//Calculation
+
+BW = fo / Qo //Bandwidth (in Hertz)
+
+//Result
+
+printf("\n Bandwidth of the circuit is %0.3f kHz.",BW * 10**-3)
diff --git a/3754/CH28/EX28.4/28_4.sce b/3754/CH28/EX28.4/28_4.sce
new file mode 100644
index 000000000..444451960
--- /dev/null
+++ b/3754/CH28/EX28.4/28_4.sce
@@ -0,0 +1,14 @@
+clear//
+
+//Variables
+
+fo = 1600.0 * 10**3 //Resonant frequency (in Hertz)
+BW = 10.0 * 10**3 //Bandwidth (in Hertz)
+
+//Calculation
+
+Qo = fo / BW //Quality factor
+
+//Result
+
+printf("\n The Q-factor is %0.3f .",Qo)
diff --git a/3754/CH28/EX28.5/28_5.sce b/3754/CH28/EX28.5/28_5.sce
new file mode 100644
index 000000000..6a813c7d0
--- /dev/null
+++ b/3754/CH28/EX28.5/28_5.sce
@@ -0,0 +1,14 @@
+clear//
+
+//Variables
+
+fo = 2.0 * 10**6 //Resonant frequency (in Hertz)
+BW = 50.0 * 10**3 //Bandwidth (in Hertz)
+
+//Calculation
+
+Qo = fo / BW //Quality factor
+
+//Result
+
+printf("\n The Q-factor is %0.3f .",Qo)
diff --git a/3754/CH28/EX28.6/28_6.sce b/3754/CH28/EX28.6/28_6.sce
new file mode 100644
index 000000000..0337c1109
--- /dev/null
+++ b/3754/CH28/EX28.6/28_6.sce
@@ -0,0 +1,19 @@
+clear//
+
+//Variables
+
+fo = 455.0 * 10**3 //Resonant frequency (in Hertz)
+BW = 10.0 * 10**3 //Bandwidth (in Hertz)
+XL = 1255.0 //Inductive reactance (in ohm)
+
+//Calculation
+
+Qo = fo / BW //Quality factor
+R = XL / Qo //Resistance (in ohm)
+L = XL / (2*%pi*fo) //Inductance (in Henry)
+C = 1 / (XL*2*%pi*fo) //Capacitance (in Farad)
+Zp = L / (C*R) //Circuit impedance (in ohm)
+
+//Result
+
+printf("\n The value of circuit impedance at resonance is %0.0f kilo-ohm.",Zp * 10**-3)