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 --- 1574/CH3/EX3.5/M_Ex_3_5.sce | 24 ++++++++++++++++++++++++ 1574/CH3/EX3.5/Result_of_Chapter_3_Ex3_5.JPG | Bin 0 -> 132938 bytes 2 files changed, 24 insertions(+) create mode 100755 1574/CH3/EX3.5/M_Ex_3_5.sce create mode 100755 1574/CH3/EX3.5/Result_of_Chapter_3_Ex3_5.JPG (limited to '1574/CH3/EX3.5') diff --git a/1574/CH3/EX3.5/M_Ex_3_5.sce b/1574/CH3/EX3.5/M_Ex_3_5.sce new file mode 100755 index 000000000..430a0803f --- /dev/null +++ b/1574/CH3/EX3.5/M_Ex_3_5.sce @@ -0,0 +1,24 @@ +clc +//Chapter3: Modulation +//Example3.5b, page no 139 +//Given +Pd=944//Anode dissipation of the class C amplifier in watts +Ma=0.6//modulation depth, +Etta=0.6//efficiency +Pout=(Etta*Pd/(1-Etta))//power dissipation at 60% modulation +Pc=Pout/(1+(Ma^2/2))//Tx power +Psb=Pout-Pc +Pdc1=Pc/Etta//DC power inputto PA +Paf=Psb/Etta// modulation power input to PA +Eff=0.25// efficiency of the modulator +Pdc2=Paf/Eff//DC power input to modulator +Pdct=Pdc1+Pdc2//Total DC power to the system +Effo=Pout/Pdct//Overall Efficiency +Ma=1// 100% modulation +Pt=Pc*(1+(Ma^2)/2) +Psb=(Pc*Ma^2)/2 +Paf=Psb/Etta//modulating input power to PA +Pdc2=Paf/Eff// DC power input to modulator +Pd=Pdc2-Paf//Power dissipation at the modulator +Effo1=Pout/(Pdc1+Pdc2)//Overall Efficiency +mprintf('Tx power:%f Watts\n Power dissipation at the modulator is: %f Watts\n Overall Efficiency at0.6 modulation is:%f%c ',Pc,Pd,100*Effo,'%') diff --git a/1574/CH3/EX3.5/Result_of_Chapter_3_Ex3_5.JPG b/1574/CH3/EX3.5/Result_of_Chapter_3_Ex3_5.JPG new file mode 100755 index 000000000..4fa278333 Binary files /dev/null and b/1574/CH3/EX3.5/Result_of_Chapter_3_Ex3_5.JPG differ -- cgit