The ideal op-amps depicted can swing rail-to-rail at output, and Vcc = 12 V. Initially, the output voltage Vo = +12 V and the input voltage is vS = +12 V. The feedback resistors are R1 = 3.5 k0, R2 = 9.5 KQ, R3 = 7.4 k0 and R4 = 7 KQ. = R10 vS = + R4Q www Vcc -Vcc ww www R2 Q R30 If the input voltage is gradually decreased, at what value of vS (to 1% accuracy) does the output voltage (Vo) change to Vo=-Vcc? O vo V

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The ideal op-amps depicted can swing rail-to-rail at output, and Vcc = 12 V. Initially, the output voltage Vo = +12 V and the input voltage is vS = +12 V. The feedback resistors are R1 = 3.5 kn,
R2 = 9.5 KQ, R3 = 7.4 kQ and R4 = 7 k0.
VS
H
VS =
+
R1 Ω
+
R4 Ω
www
|_|vcc |
-Vcc
ww www
R2 Ω
R3 Ω
-O Vo
If the input voltage is gradually decreased, at what value of vS (to 1% accuracy) does the output voltage (Vo) change to Vo=-Vcc?
V
DEKORA
Transcribed Image Text:The ideal op-amps depicted can swing rail-to-rail at output, and Vcc = 12 V. Initially, the output voltage Vo = +12 V and the input voltage is vS = +12 V. The feedback resistors are R1 = 3.5 kn, R2 = 9.5 KQ, R3 = 7.4 kQ and R4 = 7 k0. VS H VS = + R1 Ω + R4 Ω www |_|vcc | -Vcc ww www R2 Ω R3 Ω -O Vo If the input voltage is gradually decreased, at what value of vS (to 1% accuracy) does the output voltage (Vo) change to Vo=-Vcc? V DEKORA
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