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+//Chapter 16_Bipolar and MOS Digital Gate Circuits
+//Caption : Fanouts
+//Example 16.3: A TTL gate is guartnteed to sink 10mA without exceeding ann output voltage Vol=0.4V and to source 5mA without dropping below Voh=2.4V. If Tih=100uA at 2.4V and Iil=1mA at 0.4V,calculate the low-state and high-state fan-outs.
+// Solution:
+clear;
+clc;
+// for TTL gate
+// fanout at low output is= collector saturation current of output transitor/load current of the driven gate.
+// fanout for high output is=source current in driving gatte/input current of load gate
+// from question given
+Ic3=10*10^-3;// collector saturatioon current at output transistor
+Ie=1*10^-3;// load current of driven gate
+Ie4=5*10^-3;// source current in driving gate
+Ic1=100*10^-6;// input current of load gate
+Fl=Ic3/Ie;
+disp(Fl,'fan out at low output state is:')
+Fh=Ie4/Ic1;
+disp(Fh,'fan out at high output state is:')
+\ No newline at end of file