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Fundamentals of Electronics 2016/17 Table results Group: 2E Name: Morena Peña, Alejandro Lopez Marcos, Jorge
Pr actical 5.
Amplifi caation with transsitors
TABLAS DE RESULTADOS DE LA PRÁCTICA 5 (Transistores 2)
Página 2
Pr actical 5.
Amplifi caation with transsitors
Simulations: Screenshot of V g(t) and VL(t) 2.0V
1.0V
0V
-1.0V
-2.0V 0s
0.5ms V ( V E)
1.0ms
1.5ms
2.0ms
2.5ms
3.0ms
2.0ms
2.5ms
3.0ms
V 2 (R 6 ) Time
QPoint (VCE AND IC) 6.5V
6.0V
5.5V
5.0V 0s
0.5ms
1.0ms
1.5ms
(V(VQ)-V(VEEE))
Time
-1.6mA
-2.0mA
-2.4mA
-2.8mA 0s
0.5ms
1.0ms
1.5ms
2.0ms
I(R5)
Time
Página 3
2.5ms
3.0ms
Pr actical 5.
Amplifi caation with transsitors
Screenshot with transfer characteristic
GV
1.2/0.5= 2.4V
Experimental results Oscilloscope screenshot of V g(t) and VL(t)
Página 4
Pr actical 5.
Amplifi caation with transsitors
GV (exp.) Oscilloscope screenshot of V g(t) and VL(t) using Vg(t) with 2 V of amplitude.
Página 5
~2v
Pr actical 5.
Amplifi caation with transsitors
Zs simulationn
2.43k
First grapich represent when r l is disconnect , the second one re present VL when RL is 500 hez and the last oneVl when RL is RC.
Página 6
Pr actical 5.
Amplifi caation with transsitors
Screenshot of V s pp used to obtain Z s (oscilloscope) blue The image has changed from the last time, the measure has done incorrectly due to I’ve placed ground instead of leaving r without connecting, but If we took a value like the following one: 7 volts
Página 7
Pr actical 5.
Amplifi caation with transsitors
Screenshot of V L pp used to obtain Z s (oscilloscope) blue with rl
Zs real
4.63Kohms
Graph Vg (simulation) 500mV
0V
-500mV 0s
0.5ms
1.0ms
1.5ms
V(Ve) Time
Página 8
2.0ms
2.5ms
3.0ms
Pr actical 5.
Amplifi caation with transsitors
Graph Ic (simulation) 40uA
0A
-40uA 0s
0.5ms
1.0ms
1.5ms
2.0ms
2.5ms
3.0ms
I(C1) Time
Z e simulation
12.9kΩ
Página 9
Pr actical 5.
Amplifi caation with transsitors
Screenshot of V pp1 and Vpp2 (oscilloscope) Red color-> changes with the last practice , due to I didn’t have the same amount of ohms that were asked. Amplitude = 0.5 v the resitance aux is 1.0 k rl is 2.3k that’s why the values may be a little different than the one obtained by pspice
