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Diffstat (limited to '2459/CH16/EX16.19')
| -rw-r--r-- | 2459/CH16/EX16.19/Ex16_19.PNG | bin | 0 -> 4224 bytes | |||
| -rw-r--r-- | 2459/CH16/EX16.19/Ex16_19.sce | 23 |
2 files changed, 23 insertions, 0 deletions
diff --git a/2459/CH16/EX16.19/Ex16_19.PNG b/2459/CH16/EX16.19/Ex16_19.PNG Binary files differnew file mode 100644 index 000000000..deb996a3f --- /dev/null +++ b/2459/CH16/EX16.19/Ex16_19.PNG diff --git a/2459/CH16/EX16.19/Ex16_19.sce b/2459/CH16/EX16.19/Ex16_19.sce new file mode 100644 index 000000000..42c4a9236 --- /dev/null +++ b/2459/CH16/EX16.19/Ex16_19.sce @@ -0,0 +1,23 @@ +//chapter16
+//example16.19
+//page359
+
+Vcc=10 // V
+R1= 10 // kilo ohm
+R2=10 // kilo ohm
+Vbe=0.7 // V
+Re=4.3 // kilo ohm
+gain_beta=200
+Rl=10 // kilo ohm
+
+V2=Vcc*R2/(R1+R2)
+Ve=V2-Vbe
+Ie=Ve/Re
+re_dash=25/Ie
+Re_dash=Re*Rl/(Re+Rl)
+Zin_base=gain_beta*(re_dash+Re_dash)
+Zin=Zin_base*(R1*R2/(R1+R2))/(Zin_base+R1*R2/(R1+R2))
+
+printf("input impedence = %.3f kilo ohm \n",Zin)
+
+// the accurate answer is 4.996 kilo ohm but in book it is given as 4.96 kilo ohm
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