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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2882/CH10/EX10.11 | |
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initial commit / add all books
Diffstat (limited to '2882/CH10/EX10.11')
| -rwxr-xr-x | 2882/CH10/EX10.11/Ex10_11.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/2882/CH10/EX10.11/Ex10_11.sce b/2882/CH10/EX10.11/Ex10_11.sce new file mode 100755 index 000000000..c863dcd26 --- /dev/null +++ b/2882/CH10/EX10.11/Ex10_11.sce @@ -0,0 +1,23 @@ +//Tested on Windows 7 Ultimate 32-bit
+//Chapter 10 Feedback in Amplifiers Pg no. 345
+clear;
+clc;
+
+//Given
+//Figure 10.18
+
+VCC=15;//collector supply voltage in volts
+RC=1.8D3;//collector resistance in ohms
+RB=330;//base resistance in ohms
+RE=390;//emitter resistance in ohms
+hfe=150;//forward current gain
+hie=1000;//input resistance of transistor in ohms
+Vi=5D-3;//input rms voltage in volts
+
+//Solution
+
+A=-hfe/(hie+RE);//open loop gain
+B=-RE;//feedback factor beta
+Afb=A/(1+A*B);//closed loop gain
+AVfb=Afb*RC;//closed loop voltage gain
+printf("Voltage gain of the circuit (Av)fb = %.2f\n ",AVfb);
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