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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /2459/CH13 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '2459/CH13')
44 files changed, 368 insertions, 0 deletions
diff --git a/2459/CH13/EX13.1/Ex13_1.PNG b/2459/CH13/EX13.1/Ex13_1.PNG Binary files differnew file mode 100644 index 000000000..9c4034ac9 --- /dev/null +++ b/2459/CH13/EX13.1/Ex13_1.PNG diff --git a/2459/CH13/EX13.1/Ex13_1.sce b/2459/CH13/EX13.1/Ex13_1.sce new file mode 100644 index 000000000..7f1089f3f --- /dev/null +++ b/2459/CH13/EX13.1/Ex13_1.sce @@ -0,0 +1,36 @@ +// chapter 13 +// example 13.1 +// page 272 + +Rc=4 // kilo ohm +Vcc=10 // V +Ib_zero=10d-3 // mA +Ib_max=15d-3 // mA +Ib_min=5d-3 // mA +gain_beta=100 + +Ic_zero=Ib_zero*gain_beta +Ic_max=Ib_max*gain_beta +Ic_min=Ib_min*gain_beta + +Vc_zero=Vcc-Ic_zero*Rc +Vc_max=Vcc-Ic_max*Rc +Vc_min=Vcc-Ic_min*Rc + +printf("As collector current increases from %.3f mA to %.3f mA \noutput voltage decreases from %.3f V to %.3f V \n",Ic_zero,Ic_max,Vc_zero,Vc_max) +printf("As collector current decreases from %.3f mA to %.3f mA \noutput voltage increases from %.3f V to %.3f V \n",Ic_max,Ic_min,Vc_max,Vc_min) +printf("Thus output voltage is 180 degrees out of phase from input voltage \n") + +printf("Note : \ni) input voltage and input current are in phase \nii) input voltage and output current are in phase \niii) output voltage is 180 degrees out of phase with input voltage\n") + + +// plotting base current and collector current and output voltage in same graph using following code instead of xcos +clf() +x=linspace(0,2*%pi,100) +ib=5*sin(x)+10 +ic=0.5*sin(x)+1 +vc=-4*sin(x)+6 +plot2d(x,ib,style=1,rect=[0,0,20,20]) +xtitle("base current(micro ampere) - Black collector current(mA) - Blue output voltage(V) - Green ","t") +plot2d(x,ic,style=2,rect=[0,0,20,20]) +plot2d(x,vc,style=3,rect=[0,0,20,20]) diff --git a/2459/CH13/EX13.1/Figure13_1.JPG b/2459/CH13/EX13.1/Figure13_1.JPG Binary files differnew file mode 100644 index 000000000..ab6fbf903 --- /dev/null +++ b/2459/CH13/EX13.1/Figure13_1.JPG diff --git a/2459/CH13/EX13.10/Ex13_10.PNG b/2459/CH13/EX13.10/Ex13_10.PNG Binary files differnew file mode 100644 index 000000000..9ee77bdff --- /dev/null +++ b/2459/CH13/EX13.10/Ex13_10.PNG diff --git a/2459/CH13/EX13.10/Ex13_10.sce b/2459/CH13/EX13.10/Ex13_10.sce new file mode 100644 index 000000000..de91a22a8 --- /dev/null +++ b/2459/CH13/EX13.10/Ex13_10.sce @@ -0,0 +1,15 @@ +//chapter13
+//example13.10
+//page283
+
+R1=1 // kilo ohm
+R2=2 // kilo ohm
+Vt=6 // V
+
+Vb=Vt*R1/(R1+R2)
+
+if Vb==4
+ printf("circuit is operating properly \n")
+else
+ printf("circuit is not operating properly because voltage at B should be %.1f V instead of 4 V \n",Vb)
+end
diff --git a/2459/CH13/EX13.11/Ex13_11.PNG b/2459/CH13/EX13.11/Ex13_11.PNG Binary files differnew file mode 100644 index 000000000..53f6a5e39 --- /dev/null +++ b/2459/CH13/EX13.11/Ex13_11.PNG diff --git a/2459/CH13/EX13.11/Ex13_11.sce b/2459/CH13/EX13.11/Ex13_11.sce new file mode 100644 index 000000000..d7e17d095 --- /dev/null +++ b/2459/CH13/EX13.11/Ex13_11.sce @@ -0,0 +1,16 @@ +//chapter13
+//example13.11
+//page284
+
+R1=40 // kilo ohm
+R2=10 // kilo ohm
+Re=2 // kilo ohm
+Vcc=10 // V
+Vbe=0.7 // V
+
+V2=Vcc*R2/(R1+R2) // voltage across R2
+Ve=V2-Vbe // voltage across Re
+Ie=Ve/Re
+re_dash=25/Ie
+
+printf("ac emitter resistance = %.3f ohm \n",re_dash)
diff --git a/2459/CH13/EX13.12/Ex13_12.PNG b/2459/CH13/EX13.12/Ex13_12.PNG Binary files differnew file mode 100644 index 000000000..912933ba7 --- /dev/null +++ b/2459/CH13/EX13.12/Ex13_12.PNG diff --git a/2459/CH13/EX13.12/Ex13_12.sce b/2459/CH13/EX13.12/Ex13_12.sce new file mode 100644 index 000000000..de4340b1e --- /dev/null +++ b/2459/CH13/EX13.12/Ex13_12.sce @@ -0,0 +1,20 @@ +//chapter13
+//example13.12
+//page286
+
+R1=150 // kilo ohm
+R2=20 // kilo ohm
+Re=2.2 // kilo ohm
+Rc=12 // kilo ohm
+Vcc=20 // V
+Vbe=0.7 // V
+
+V2=Vcc*R2/(R1+R2) // voltage across R2
+Ve=V2-Vbe // voltage across Re
+Ie=Ve/Re
+re_dash=1d-3*25/Ie // in kilo ohm
+Av=Rc/re_dash
+
+printf("voltage gain = %.3f \n",Av)
+
+// the accurate answer is 360.642
diff --git a/2459/CH13/EX13.13/Ex13_13.PNG b/2459/CH13/EX13.13/Ex13_13.PNG Binary files differnew file mode 100644 index 000000000..ad8381ec2 --- /dev/null +++ b/2459/CH13/EX13.13/Ex13_13.PNG diff --git a/2459/CH13/EX13.13/Ex13_13.sce b/2459/CH13/EX13.13/Ex13_13.sce new file mode 100644 index 000000000..dd67b8c51 --- /dev/null +++ b/2459/CH13/EX13.13/Ex13_13.sce @@ -0,0 +1,14 @@ +//chapter13
+//example13.13
+//page287
+
+Rc=12 // kilo ohm
+Rl=6 // kilo ohm
+re_dash=33.3d-3 // kilo ohm
+
+R_AC=Rc*Rl/(Rc+Rl)
+Av=R_AC/re_dash
+
+printf("voltage gain = %.3f \n",Av)
+
+// the accurate answer is 120.120
diff --git a/2459/CH13/EX13.14/Ex13_14.PNG b/2459/CH13/EX13.14/Ex13_14.PNG Binary files differnew file mode 100644 index 000000000..919371af1 --- /dev/null +++ b/2459/CH13/EX13.14/Ex13_14.PNG diff --git a/2459/CH13/EX13.14/Ex13_14.sce b/2459/CH13/EX13.14/Ex13_14.sce new file mode 100644 index 000000000..b6e2a0064 --- /dev/null +++ b/2459/CH13/EX13.14/Ex13_14.sce @@ -0,0 +1,21 @@ +//chapter13
+//example13.14
+//page288
+
+R1=45 // kilo ohm
+R2=15 // kilo ohm
+Re=7.5 // kilo ohm
+Vcc=30 // V
+Vbe=0.7 // V
+gain_beta=200
+
+V2=Vcc*R2/(R1+R2) // voltage across R2
+Ve=V2-Vbe // voltage across Re
+Ie=Ve/Re
+re_dash=1d-3*25/Ie // in kilo ohm
+Zin_base=gain_beta*re_dash
+Zin=Zin_base*(R1*R2/(R1+R2))/(Zin_base+R1*R2/(R1+R2))
+
+printf("input impedence of amplifier circuit = %.3f kilo ohm \n",Zin)
+
+// the accurate answer for input impedence is 3.701 kilo ohm but in book it is given as 3.45 kilo ohm
diff --git a/2459/CH13/EX13.15/Ex13_15.PNG b/2459/CH13/EX13.15/Ex13_15.PNG Binary files differnew file mode 100644 index 000000000..5079a789e --- /dev/null +++ b/2459/CH13/EX13.15/Ex13_15.PNG diff --git a/2459/CH13/EX13.15/Ex13_15.sce b/2459/CH13/EX13.15/Ex13_15.sce new file mode 100644 index 000000000..2586001f5 --- /dev/null +++ b/2459/CH13/EX13.15/Ex13_15.sce @@ -0,0 +1,5 @@ +//chapter13 +//example13.15 +//page289 + +//Theory
\ No newline at end of file diff --git a/2459/CH13/EX13.16/Ex13_16.PNG b/2459/CH13/EX13.16/Ex13_16.PNG Binary files differnew file mode 100644 index 000000000..31ec94350 --- /dev/null +++ b/2459/CH13/EX13.16/Ex13_16.PNG diff --git a/2459/CH13/EX13.16/Ex13_16.sce b/2459/CH13/EX13.16/Ex13_16.sce new file mode 100644 index 000000000..b84af237c --- /dev/null +++ b/2459/CH13/EX13.16/Ex13_16.sce @@ -0,0 +1,15 @@ +//chapter13
+//example13.16
+//page290
+
+Ao=1000
+Rout=1 // ohm
+Rl=4 // ohm
+Rin=2d3 // ohm
+I2=0.5 // A
+
+// here I2/I1=Ao*Rin/(Rout+Rl) so
+I1=I2*(Rout+Rl)/(Ao*Rin)
+V1=I1*Rin // in V
+
+printf("required input signal voltage = %.3f mV \n",V1*1d3)
diff --git a/2459/CH13/EX13.16/Figure13_16.JPG b/2459/CH13/EX13.16/Figure13_16.JPG Binary files differnew file mode 100644 index 000000000..fcfa02775 --- /dev/null +++ b/2459/CH13/EX13.16/Figure13_16.JPG diff --git a/2459/CH13/EX13.17/Ex13_17.PNG b/2459/CH13/EX13.17/Ex13_17.PNG Binary files differnew file mode 100644 index 000000000..e894bf318 --- /dev/null +++ b/2459/CH13/EX13.17/Ex13_17.PNG diff --git a/2459/CH13/EX13.17/Ex13_17.sce b/2459/CH13/EX13.17/Ex13_17.sce new file mode 100644 index 000000000..4f871a1d2 --- /dev/null +++ b/2459/CH13/EX13.17/Ex13_17.sce @@ -0,0 +1,23 @@ +//chapter13
+//example13.17
+//page291
+
+Es=10d-3 // V
+Rs=3d3 // ohm
+Rin=7d3 // ohm
+Rout=15 // ohm
+Rl=35 // ohm
+Ao=1000
+
+I1=Es/(Rs+Rin)
+V1=I1*Rin
+Av=Ao*Rl/(Rout+Rl)
+// since V2/V1=Av, we get
+V2=V1*Av
+
+P2=V2^2/Rl
+P1=V1^2/Rin
+Ap=P2/P1
+
+printf("magnitude of output voltage = %.2f V \n",V2)
+printf("power gain = %.2f \n",Ap)
diff --git a/2459/CH13/EX13.17/Figure13_17.JPG b/2459/CH13/EX13.17/Figure13_17.JPG Binary files differnew file mode 100644 index 000000000..515e946b3 --- /dev/null +++ b/2459/CH13/EX13.17/Figure13_17.JPG diff --git a/2459/CH13/EX13.18/Ex13_18.PNG b/2459/CH13/EX13.18/Ex13_18.PNG Binary files differnew file mode 100644 index 000000000..e69b1e886 --- /dev/null +++ b/2459/CH13/EX13.18/Ex13_18.PNG diff --git a/2459/CH13/EX13.18/Ex13_18.sce b/2459/CH13/EX13.18/Ex13_18.sce new file mode 100644 index 000000000..76ee06ab8 --- /dev/null +++ b/2459/CH13/EX13.18/Ex13_18.sce @@ -0,0 +1,21 @@ +//chapter13
+//example13.18
+//page292
+
+Av=80
+Ai=120
+V2=1 // V
+Rout=1 // ohm
+Rl=2 // ohm
+
+V1=V2/Av // in V
+
+// Av=Ao*Rl/(Rout+Rl) and Ai=Ao*Rin/(Rout+Rl) so
+// Av/Ai=Rl/Rin hence
+Rin=Rl*Ai/Av
+
+I1=V1/Rin // in mA
+Ap=Av*Ai
+
+printf("required signal voltage = %.2f mV and current = %.2f micro ampere \n",V1*1d3,I1*1d3)
+printf("power gain = %.3f \n",Ap)
diff --git a/2459/CH13/EX13.18/Figure13_18.JPG b/2459/CH13/EX13.18/Figure13_18.JPG Binary files differnew file mode 100644 index 000000000..94296469e --- /dev/null +++ b/2459/CH13/EX13.18/Figure13_18.JPG diff --git a/2459/CH13/EX13.2/Ex13_2.PNG b/2459/CH13/EX13.2/Ex13_2.PNG Binary files differnew file mode 100644 index 000000000..0ce3cc266 --- /dev/null +++ b/2459/CH13/EX13.2/Ex13_2.PNG diff --git a/2459/CH13/EX13.2/Ex13_2.sce b/2459/CH13/EX13.2/Ex13_2.sce new file mode 100644 index 000000000..f9ba15390 --- /dev/null +++ b/2459/CH13/EX13.2/Ex13_2.sce @@ -0,0 +1,8 @@ +// chapter 13
+// example 13.2
+// page 274
+
+printf("i)Refering to the Thevenin circuit, we see that voltage source \nis short and resistances except Rc and Re are bypassed.\nThus dc load = Rc + Re \n\n")
+printf(" Refering to ac equivalent circuit, Rc is parallel with Rl.\nThus ac load = Rc*Rl/(Rc+Rl) \n \n \n")
+printf("ii)Since Vcc=Vce+Ic*(Rc+Re) we get \n max Vce = Vcc and max Ic = Vcc/(Rc+Re) \n \n \n")
+printf("iii)On applying ac signal, collector current and collector emitter \nvoltage change about Q point.\nMaximum collector current = Ic.\nMaximum positive swing of ac collector emitter voltage = Ic*R_AC \n So total maximum collector emitter voltage = Vce+Ic*R_AC \n\nMaximum positive swing of ac collector current = Vce/R_AC so \nTotal maximum collector current = Ic+Vce/R_AC \n")
diff --git a/2459/CH13/EX13.2/Figure13_2.JPG b/2459/CH13/EX13.2/Figure13_2.JPG Binary files differnew file mode 100644 index 000000000..e3f0e0c39 --- /dev/null +++ b/2459/CH13/EX13.2/Figure13_2.JPG diff --git a/2459/CH13/EX13.3/Ex13_3.JPG b/2459/CH13/EX13.3/Ex13_3.JPG Binary files differnew file mode 100644 index 000000000..ead76736b --- /dev/null +++ b/2459/CH13/EX13.3/Ex13_3.JPG diff --git a/2459/CH13/EX13.3/Ex13_3.sce b/2459/CH13/EX13.3/Ex13_3.sce new file mode 100644 index 000000000..5ecf2a54d --- /dev/null +++ b/2459/CH13/EX13.3/Ex13_3.sce @@ -0,0 +1,39 @@ +// chapter 13 +// example 13.3 +// page 278 + +Vcc=15 // V +Re=2 // kilo ohm +Rc=1 // kilo ohm +Rl=1 // kilo ohm +Vbe=0.7 // V + +// dc load line + + // when Ic=0, Vce=Vcc i.e. Vce=15 and when Vce=0, Ic=Vcc/(Rc+Re) i.e. Ic=15/3 + // so equation of load line becomes Ic=-(1/3)*Vce+15 + + clf() + x=linspace(0,15,5) + y=-(1/3)*x+5 + plot2d(x,y,style=3,rect=[0,0,16,6]) + xtitle("dc load line-green ac load line-blue","collector emitter voltage(volts)","collector current(mA)") + + V2=5 // V + // since voltage across R2 is V2=5 V and V2=Vbe+Ie*Re we get + Ie=(V2-Vbe)/Re + Ic=Ie + Vce=Vcc-Ic*(Rc+Re) + + printf("the operating point is %.3f V and %.3f mA \n",Vce,Ic) + + +// ac load line + + R_AC=Rc*Rl/(Rc+Rl) // ac load + V_ce=Vce+Ic*R_AC // maximum collector emitter voltage + I_c=Ic+Vce/R_AC // maximum collector current + // the equation of ac load line in terms of V_ce and I_c becomes + y=-(I_c/V_ce)*x+I_c + plot2d(x,y,style=2,rect=[0,0,10,20]) + diff --git a/2459/CH13/EX13.3/Figure13_3.jpg b/2459/CH13/EX13.3/Figure13_3.jpg Binary files differnew file mode 100644 index 000000000..d93fb71bb --- /dev/null +++ b/2459/CH13/EX13.3/Figure13_3.jpg diff --git a/2459/CH13/EX13.4/Ex13_4.PNG b/2459/CH13/EX13.4/Ex13_4.PNG Binary files differnew file mode 100644 index 000000000..776a76cec --- /dev/null +++ b/2459/CH13/EX13.4/Ex13_4.PNG diff --git a/2459/CH13/EX13.4/Ex13_4.sce b/2459/CH13/EX13.4/Ex13_4.sce new file mode 100644 index 000000000..3dd7c236d --- /dev/null +++ b/2459/CH13/EX13.4/Ex13_4.sce @@ -0,0 +1,33 @@ +// chapter 13 +// example 13.4 +// page 279 + +Vcc=20 // V +Re=0 // kilo ohm, since given as negligible +Rc=10 // kilo ohm +Rl=30 // kilo ohm +Vbe=0.7 // V + +Vce=10 // mV +Ic=1 // mA + +// dc load line + + // when Ic=0, Vce=Vcc i.e. Vce=15 and when Vce=0, Ic=Vcc/(Rc+Re) i.e. Ic=20/10 mA + // so equation of load line becomes Ic=-(1/10)*Vce+2 + + clf() + x=linspace(0,20,5) + y=-(1/10)*x+2 + plot2d(x,y,style=3,rect=[0,0,21,6]) + xtitle("dc load line-green ac load line-blue","collector emitter voltage(volts)","collector current(mA)") + +// ac load line + + R_AC=Rc*Rl/(Rc+Rl) // ac load + V_ce=Vce+Ic*R_AC // maximum collector emitter voltage + I_c=Ic+Vce/R_AC // maximum collector current + // the equation of ac load line in terms of V_ce and I_c becomes + x=linspace(0,V_ce,10) + y=-(I_c/V_ce)*x+I_c + plot2d(x,y,style=2,rect=[0,0,21,6]) diff --git a/2459/CH13/EX13.4/Figure13_4.jpg b/2459/CH13/EX13.4/Figure13_4.jpg Binary files differnew file mode 100644 index 000000000..4b8bea025 --- /dev/null +++ b/2459/CH13/EX13.4/Figure13_4.jpg diff --git a/2459/CH13/EX13.5/Ex13_5.PNG b/2459/CH13/EX13.5/Ex13_5.PNG Binary files differnew file mode 100644 index 000000000..340a6112b --- /dev/null +++ b/2459/CH13/EX13.5/Ex13_5.PNG diff --git a/2459/CH13/EX13.5/Ex13_5.sce b/2459/CH13/EX13.5/Ex13_5.sce new file mode 100644 index 000000000..9f6b39c5e --- /dev/null +++ b/2459/CH13/EX13.5/Ex13_5.sce @@ -0,0 +1,32 @@ +// chapter 13
+// example 13.5
+// page 280
+
+printf("operating point is (8V,1mA). During positive half cycle of \nac signal collector current swings from 1 mA to 1.5 mA \nand collector emitter voltage swings from 8 V to 7 V.\nThis is at A.During negative half cycle of \nac signal collector current swings from 1 mA to 0.5 mA \nand collector emitter voltage swings from 8 V to 9 V.\nThis is at B. \n \n")
+
+printf("Note : When ac signal is applied, ac signal collector current and \ncollector emitter voltage variations take place about Q point. \nAlso, operating point moves along load line.\n")
+
+clf()
+x=linspace(-3*%pi,-%pi,10)
+plot(x,-0.5*sin(x)+1)
+
+x=linspace(7,9,10)
+plot(x,5-0.5*x)
+
+x=linspace(-3*%pi,-%pi,10)
+plot(-sin(x)+8,x)
+plot(x,xgrid())
+xtitle("collector current and collector emitter voltage swings","collector emitter voltage (volts)","collector current (mA)")
+a=gca(); // Handle on axes entity
+a.x_location = "origin";
+a.y_location = "origin";
+
+// Some operations on entities created by plot ...
+a=gca();
+a.isoview='on';
+a.children // list the children of the axes : here it is an Compound child composed of 2 entities
+poly1= a.children.children(2); //store polyline handle into poly1
+poly1.foreground = 4; // another way to change the style...
+poly1.thickness = 3; // ...and the tickness of a curve.
+poly1.clip_state='off' // clipping control
+a.isoview='off';
diff --git a/2459/CH13/EX13.5/Figure13_5.JPG b/2459/CH13/EX13.5/Figure13_5.JPG Binary files differnew file mode 100644 index 000000000..4338ebf7c --- /dev/null +++ b/2459/CH13/EX13.5/Figure13_5.JPG diff --git a/2459/CH13/EX13.6/Ex13_6.PNG b/2459/CH13/EX13.6/Ex13_6.PNG Binary files differnew file mode 100644 index 000000000..c4d0cda90 --- /dev/null +++ b/2459/CH13/EX13.6/Ex13_6.PNG diff --git a/2459/CH13/EX13.6/Ex13_6.sce b/2459/CH13/EX13.6/Ex13_6.sce new file mode 100644 index 000000000..1a7872087 --- /dev/null +++ b/2459/CH13/EX13.6/Ex13_6.sce @@ -0,0 +1,13 @@ +//chapter13 +//example13.6 +//page282 + +Rc=2 // kilo ohm +Rl=0.5 // kilo ohm +Rin=1 // kilo ohm +gain_beta=60 + +R_AC=Rc*Rl/(Rc+Rl) +Av=gain_beta*R_AC/Rin + +printf("voltage gain = %.3f \n",Av) diff --git a/2459/CH13/EX13.7/Ex13_7.PNG b/2459/CH13/EX13.7/Ex13_7.PNG Binary files differnew file mode 100644 index 000000000..8fa23948d --- /dev/null +++ b/2459/CH13/EX13.7/Ex13_7.PNG diff --git a/2459/CH13/EX13.7/Ex13_7.sce b/2459/CH13/EX13.7/Ex13_7.sce new file mode 100644 index 000000000..abaf43a45 --- /dev/null +++ b/2459/CH13/EX13.7/Ex13_7.sce @@ -0,0 +1,17 @@ +//chapter13
+//example13.7
+//page282
+
+Rc=10 // kilo ohm
+Rl=10 // kilo ohm
+Rin=2.5 // kilo ohm
+gain_beta=100
+Vin=1 // mV
+
+R_AC=Rc*Rl/(Rc+Rl)
+Av=gain_beta*R_AC/Rin
+
+// since Av=Vout/Vin we get
+Vout=Av*Vin
+
+printf("output voltage = %.3f mV \n",Vout)
diff --git a/2459/CH13/EX13.8/Ex13_8.PNG b/2459/CH13/EX13.8/Ex13_8.PNG Binary files differnew file mode 100644 index 000000000..37f4b8dc9 --- /dev/null +++ b/2459/CH13/EX13.8/Ex13_8.PNG diff --git a/2459/CH13/EX13.8/Ex13_8.sce b/2459/CH13/EX13.8/Ex13_8.sce new file mode 100644 index 000000000..719e13db2 --- /dev/null +++ b/2459/CH13/EX13.8/Ex13_8.sce @@ -0,0 +1,23 @@ +//chapter13
+//example13.8
+//page282
+
+del_Ib=10d-3 // mA
+del_Ic=1 // mA
+del_Vbe=0.02 // V
+Rc=5 // kilo ohm
+Rl=10 // kilo ohm
+
+Ai=del_Ic/del_Ib
+Rin=del_Vbe/del_Ib
+R_AC=Rc*Rl/(Rc+Rl)
+Av=Ai*R_AC/Rin
+Ap=Av*Ai
+
+printf("current gain = %.3f \n",Ai)
+printf("input impedence = %.3f kilo ohm \n",Rin)
+printf("ac load = %.3f kilo ohm \n",R_AC)
+printf("voltage gain = %.3f \n",Av)
+printf("power gain = %.3f \n",Ap)
+
+// the accurate answer for voltage gain = 166.667 and for power gain = 16666.667 but in book they are given as 165 and 16500 respectively.
diff --git a/2459/CH13/EX13.9/Ex13_9.PNG b/2459/CH13/EX13.9/Ex13_9.PNG Binary files differnew file mode 100644 index 000000000..3806aff13 --- /dev/null +++ b/2459/CH13/EX13.9/Ex13_9.PNG diff --git a/2459/CH13/EX13.9/Ex13_9.sce b/2459/CH13/EX13.9/Ex13_9.sce new file mode 100644 index 000000000..d078898cc --- /dev/null +++ b/2459/CH13/EX13.9/Ex13_9.sce @@ -0,0 +1,17 @@ +//chapter13
+//example13.9
+//page283
+
+Rc=3 // kilo ohm
+Rl=6 // kilo ohm
+Rin=0.5 // kilo ohm
+Vin=1 // mV
+gain_beta=50
+
+R_AC=Rc*Rl/(Rc+Rl)
+Av=gain_beta*R_AC/Rin
+
+// since Av=Vout/Vin we get
+Vout=Av*Vin
+
+printf("output voltage = %.3f mV \n",Vout)
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