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 --- 728/CH8/EX8.13/Ex8_13.sce | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100755 728/CH8/EX8.13/Ex8_13.sce (limited to '728/CH8/EX8.13/Ex8_13.sce') diff --git a/728/CH8/EX8.13/Ex8_13.sce b/728/CH8/EX8.13/Ex8_13.sce new file mode 100755 index 000000000..b1098d54b --- /dev/null +++ b/728/CH8/EX8.13/Ex8_13.sce @@ -0,0 +1,29 @@ +//Caption:Calculate (i)-i/p rf voltage,(ii)-voltage gain, (iii)-efficiency +//Exa:8.13 +clc; +clear; +close; +V_o=1200;//in volts +I_o=30*10^-3;//in A +f=10*10^9;//inHz +d=0.001;//in m +l=0.04;//in m +R_sh=40*10^3;//in ohms +v_o=0.593*10^6*sqrt(V_o); +Theeta_o=2*%pi*f*l/(20.54*10^6); +X=1.84;//for maximum output power +V_max=2*X*V_o/122.347; +Theeta_g=122.347*10^-3/(4*10^-2); +Beeta_i=sin(Theeta_g/2)/(Theeta_g/2); +V_1_max=V_max/Beeta_i; +J=0.58; +Beeta_o=Beeta_i; +I_2=2*I_o*J; +V_2=Beeta_o*I_2*R_sh; +A_v=V_2/V_1_max;//in dB +eff=0.58*(V_2/V_o)*100;//in percentage +disp(V_1_max,'Input rf voltage(in volts) ='); +disp(A_v,'Voltage gain (in dB) ='); +disp(eff,'Maximum efficiency (in percentage) ='); + +//Answer in book is wrongly given as: A_v=24.33 dB \ No newline at end of file -- cgit