ov- -5V- V(vo1) 12V- ov -12V V(v2) V(vnoise) 5V- -5V- V(vo2) 12V

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Based on the simulation’s results, explain the function of a differential amplifier.

(Hints: comment on the shape of Vo1 and Vo2, explain what would happen if V1 and V2 were the same, reflect on why it is important that an ideal op-amp has infinite input impedance).

V(v1)
V(vnoise)
5V
ov-
-5V-
V(vo1)
12V-
-12V-
V(v2)
V(vnoise)
5V-
ov-
-5V-
V(vo2)
12V-
ov-
-12V-
V(vo)
3.0V-
0.0v-
-3.0V
Oms
10ms
20ms 30ms 40ms 50ms 60ms 70ms 80ms 90ms 100ms
Transcribed Image Text:V(v1) V(vnoise) 5V ov- -5V- V(vo1) 12V- -12V- V(v2) V(vnoise) 5V- ov- -5V- V(vo2) 12V- ov- -12V- V(vo) 3.0V- 0.0v- -3.0V Oms 10ms 20ms 30ms 40ms 50ms 60ms 70ms 80ms 90ms 100ms
Block 1
Rf1
.tran .1
Vol
R1
Block 3
V1
1k
-15
15
R7
1k
Vo
V1
(U1
SINE(0 2 50 00 90 50)
R2
10k
RS
! 500
U3
10k
Rf2
R6
Vnoise
Vo2 1
Vnoise
I R3
V2
I Ik
1k
10k
PULSE(-5 50 1p 1p 10m 20m 20)
R8
U2
10k
R4
V2
500
SINE(O 2 50 000 100)
Block 2
Figure 5. Circuit to test a differential amplifier.
4 +v2 41 +HVnoise +Hv1>
Transcribed Image Text:Block 1 Rf1 .tran .1 Vol R1 Block 3 V1 1k -15 15 R7 1k Vo V1 (U1 SINE(0 2 50 00 90 50) R2 10k RS ! 500 U3 10k Rf2 R6 Vnoise Vo2 1 Vnoise I R3 V2 I Ik 1k 10k PULSE(-5 50 1p 1p 10m 20m 20) R8 U2 10k R4 V2 500 SINE(O 2 50 000 100) Block 2 Figure 5. Circuit to test a differential amplifier. 4 +v2 41 +HVnoise +Hv1>
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