Question

Estimate the positive and negative short-circuit output current in the 741op amp .

13
Vcc
220μΑ
Qis
670μΑ
Qs
Q17
R7
27 Ω
Q13
Q2
Rg.
22 2
Q14
R6
Q18
Q3
Q4
40 kΩ
Q16
Vcc
Vcc
Q12
О1ю
18μΑ
Os
R3
R4
R5
R1
R2
50 k2
50 k2
100 2
- VEE = -15 V
1 kol
1 k2
REXT
Second stage
Output stage
Input stage
Figure 16.46 Overall schematic of the classic Fairchild LA741 operational amplifier (the bias network appears in Fig. 16.47).

Image Transcription

13 Vcc 220μΑ Qis 670μΑ Qs Q17 R7 27 Ω Q13 Q2 Rg. 22 2 Q14 R6 Q18 Q3 Q4 40 kΩ Q16 Vcc Vcc Q12 О1ю 18μΑ Os R3 R4 R5 R1 R2 50 k2 50 k2 100 2 - VEE = -15 V 1 kol 1 k2 REXT Second stage Output stage Input stage Figure 16.46 Overall schematic of the classic Fairchild LA741 operational amplifier (the bias network appears in Fig. 16.47).

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