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 --- 1184/CH4/EX4.1/Ex4_1.sce | 20 ++++++++++++++++++++ 1184/CH4/EX4.2/Ex4_2.sce | 20 ++++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100755 1184/CH4/EX4.1/Ex4_1.sce create mode 100755 1184/CH4/EX4.2/Ex4_2.sce (limited to '1184/CH4') diff --git a/1184/CH4/EX4.1/Ex4_1.sce b/1184/CH4/EX4.1/Ex4_1.sce new file mode 100755 index 000000000..22280aa84 --- /dev/null +++ b/1184/CH4/EX4.1/Ex4_1.sce @@ -0,0 +1,20 @@ +//Example 4-1, Page No - 129 + +clear +clc + +Vcc =48 +I = 3.5 +effi_percent=70 +modulation_percent= 67 +m = modulation_percent/100 + +Pi = Vcc*I +Pc=Pi +Pm = Pi/2 +Pout = (effi_percent*Pi)/100 +Ps = Pc*((m^2)/4) +max_swing = 2*Vcc + +printf('The input power is %.1f watt \n AF power required for the 100 percent modulation is %.1f watt \n The carrier output power is %.1f watt\n', Pi,Pm,Pout) +printf('The power in one sideband %.2f watt \n Maximum swing = %.1f volt\n Minimum swing =0.0 volt',Ps,max_swing) diff --git a/1184/CH4/EX4.2/Ex4_2.sce b/1184/CH4/EX4.2/Ex4_2.sce new file mode 100755 index 000000000..030561258 --- /dev/null +++ b/1184/CH4/EX4.2/Ex4_2.sce @@ -0,0 +1,20 @@ +//Example 4-2,Page NO - 145 + +clear +clc + +fc =4.2*10^6 +voice_f_l = 300 +voice_f_u = 3400 + +fll_usb = fc + voice_f_l +ful_usb = fc + voice_f_u + +fll_lsb = fc - voice_f_l +ful_lsb = fc - voice_f_u + +flsb = (fll_lsb + ful_lsb)/2 + +printf('The range for USB is %.1f Hz to %.1f Hz',fll_usb,ful_usb) +printf('\n The range for LSB is %.1f Hz to %.1f Hz',fll_lsb,ful_lsb) +printf('\n The approximate center frequency of the filter \n to select the lower sideband is %.1f Hz',flsb) -- cgit