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Diffstat (limited to '1583/CH5/EX5.13/HFAAGC_Ex_5_13.sce')
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1 files changed, 13 insertions, 0 deletions
diff --git a/1583/CH5/EX5.13/HFAAGC_Ex_5_13.sce b/1583/CH5/EX5.13/HFAAGC_Ex_5_13.sce new file mode 100755 index 000000000..e50e962f0 --- /dev/null +++ b/1583/CH5/EX5.13/HFAAGC_Ex_5_13.sce @@ -0,0 +1,13 @@ +clc
+//Chapter 5:High Frequency amplifiers and automatic gain control
+//Example 5.13 page no 184
+//Example on emitter feedback
+disp('The parallel combination of the two base biasing resistors is 2.66k ohm resistor. The parallel combination of this resistor and the 260ohm emitter resistance is 237ohm i.e.rpi=237ohm')
+gm=0.4//transconductance
+rpi=237//base emitter resistance
+RL=600//load resistance (values of resistance are taken from the figure)
+Rs=500//source resistance
+Av=gm*RL*rpi/(rpi+Rs)//Voltage gain
+B=0.84*10^6//Bandwidth (The value of Bandwidth is taken from the Graph firure 5.51)
+GB=Av*B//Gain bandwidth product
+mprintf('The gain bandwidth product is %3.2e Hz ',GB)
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