Lab 14 RS - Revision history

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts) */

2011-04-08T18:16:14Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts) */

2011-04-08T18:15:41Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts)

Shaproma: /* Sketch the AC equivalent circuit of the common emitter amplifier.(10 pnts) */

2011-04-08T18:15:10Z

Sketch the AC equivalent circuit of the common emitter amplifier.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts) */

2011-04-08T18:12:13Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts) */

2011-04-08T18:11:56Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts) */

2011-04-08T18:11:20Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts)

Shaproma: /* Measure A_v and R_{in} as a function of frequency with C_E removed.(10 pnts) */

2011-04-08T18:09:33Z

Measure A_v and R_{in} as a function of frequency with C_E removed.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts) */

2011-04-08T18:00:07Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts) */

2011-04-08T17:59:56Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in infinite resistance. Check with measurement.(10 pnts)

Shaproma: /* What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts) */

2011-04-08T17:59:20Z

What will the values of V_C, V_E , and I_C be if the transistor burns out resulting in near ZERO resistance (ie short). Check with measurement.(10 pnts)

@@ Line 433: / Line 433: @@
 With burned transistor (with zero resistance) I will end up with the DC following circuit:
-[[File:curcuit0733.png | 190 px]]
+[[File:curcuit0733.png | 250 px]]
 Now we have the perfect voltage divider:

@@ Line 407: / Line 407: @@
 With burned transistor (removed) I will end up with the DC following circuit:
-[[File:curcuit0723.png | 200 px]]
+[[File:curcuit0723.png | 250 px]]
 As we can easily see because we have the open loop there are no current in collector and emitter and all voltage <math>V_{bb}</math> will drop between collector and emitter. As the result:

← Older revision		Revision as of 18:15, 8 April 2011
Line 541:		Line 541:


−	[[File:Circuit08.png \|\| ~~250~~ px]]	+	[[File:Circuit08.png \|\| 400 px]]



	[https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports] [[Forest_Electronic_Instrumentation_and_Measurement]]		[https://wiki.iac.isu.edu/index.php/Electronics_RS Go Back to All Lab Reports] [[Forest_Electronic_Instrumentation_and_Measurement]]

@@ Line 432: / Line 432: @@
 With burned transistor (with zero resistance) I will end up with the DC following circuit:
 [[File:curcuit0733.png | 190 px]]
 Now we have the perfect voltage divider:
@@ Line 464: / Line 462: @@
   <math>I_C = \frac{V_{bb}-V_E}{R_C} = \frac{(11.00\pm 0.01)V-(1.018 \pm 0.005)V}{(2.002 \pm 0.001)k\Omega} = (4.986 \pm 0.009)\ mA</math>

@@ Line 407: / Line 407: @@
 With burned transistor (removed) I will end up with the DC following circuit:
+[[File:curcuit0723.png | 200 px]]
 As we can easily see because we have the open loop there are no current in collector and emitter and all voltage <math>V_{bb}</math> will drop between collector and emitter. As the result:
@@ Line 418: / Line 416: @@
   <math>I_C = 0\ A</math>

@@ Line 415: / Line 415: @@
   <math>V_C = V_{bb} = 11\ V</math>
-  <math>V_E = V_C - V_{BE} = (11 - 11)\ V</math>
+  <math>V_E = V_C - V_{CE} = (11 - 11)\ V</math>
   <math>I_C = 0\ A</math>

← Older revision		Revision as of 18:09, 8 April 2011
Line 387:		Line 387:


−	As we can observe from the table above the measured voltage gain for the case with removed <math>C_E</math> is much less than the measured voltage gain values for the case with <math>C_E</math>. It's in ~~completely~~ agreement with the main function of emitter conductance as <math>C_E</math> to avoid decreasing the gain of amplifier.	+	As we can observe from the table above the measured voltage gain for the case with removed <math>C_E</math> is much less than the measured voltage gain values for the case with <math>C_E</math>. It's in agreement with the main function of emitter conductance <math>C_E</math> to avoid decreasing the gain of amplifier.

	=Questions=		=Questions=

← Older revision		Revision as of 18:00, 8 April 2011
Line 437:		Line 437:


−	[[File:curcuit0733.png \| ~~150~~ px]]	+	[[File:curcuit0733.png \| 190 px]]

← Older revision		Revision as of 17:59, 8 April 2011
Line 408:		Line 408:


−	[[File:curcuit0723.png \| ~~200~~ px]]	+	[[File:curcuit0723.png \| 190 px]]