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 --- 2885/CH6/EX6.4/ex6_4.sce | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 2885/CH6/EX6.4/ex6_4.sce (limited to '2885/CH6/EX6.4') diff --git a/2885/CH6/EX6.4/ex6_4.sce b/2885/CH6/EX6.4/ex6_4.sce new file mode 100755 index 000000000..54bb51716 --- /dev/null +++ b/2885/CH6/EX6.4/ex6_4.sce @@ -0,0 +1,33 @@ +//Determine the Q point at two different B +clear; +clc; +//soltion +//given + +//At B=50 + +B=50; //dc beta +Rc=2*10^3;//ohm //resistor connected to collector +Rb=300*10^3;//ohm //resistor connected to base +Vcc=9;//V //Voltage supply across the collector resistor +Ib=Vcc/Rb; //Base current +Ic=B*Ib; //Colletor current +Ics=Vcc/Rc; //Colletor saturation current + +//Actual Ic is the smaller of the above two values + +Vce=Vcc-Ic*Rc; +printf("The Q point (At B=50) is (%.0f V, %.1f mA)\n",Vce,Ic*1000); + +//At B=150 + +B1=150; //dc beta +Ic1=B*Ib; //Colletor current +Ics1=Vcc/Rc; //Colletor saturation current + +//Actual Ic is the smaller of the above two values i.e. Ic(sat) and since the transistor is in saturation mode therefore Vce will become 0 + +Vce=0; +printf("The Q point (At B=150) is (%d V, %.1f mA)\n",Vce,Ics*1000); + +printf("The factor at which collector current increases %.0f",Ics1/Ic); -- cgit