(a) This circuit sums the input voltage y plus one-half of the oltage t. Thus the output voltage t, can be set to zero even when v ero de component, (b) The three waveforms show t, the input + /2), the balanced-out voltage; and to, the amplified output were directly amplified, the op amp would saturate.

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Chapter1: Introduction
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Electrical Engineering
I looked that the other explnations were
incorrect, so I would like for a better
explanation please, especially when people
were finding the gain and got it at 13000 (they
used +13V in their case)
+10
R,
10 k2
Rp
100 k2
+15 Vo
Time
20 k2
5 k23W
-15 Vô
-10
(b)
(a)
Figure E3.1 (a) This circuit sums the input voltage v plus one-half of the
balancing voltage v. Thus the output voltage v, can be set to zero even when v
has a nonzero de component, (b) The three waveforms show v, the input
voltage; (v + v/2), the balanced-out voltage; and vo, the amplified output
voltage. If vy were directly amplified, the op amp would saturate.
3.3 Use the circuit shown in Figure E3.1 to design a de-coupled one-op-amp
circuit that will amplify the +100 uV EOG to have the maximal gain possible
without exceeding the typical guaranteed linear output range. Include a control
that can balance (remove) series clectrode offset potentials up to +300 m V. Give
all numerical values.
Voltage, V
Transcribed Image Text:Electrical Engineering I looked that the other explnations were incorrect, so I would like for a better explanation please, especially when people were finding the gain and got it at 13000 (they used +13V in their case) +10 R, 10 k2 Rp 100 k2 +15 Vo Time 20 k2 5 k23W -15 Vô -10 (b) (a) Figure E3.1 (a) This circuit sums the input voltage v plus one-half of the balancing voltage v. Thus the output voltage v, can be set to zero even when v has a nonzero de component, (b) The three waveforms show v, the input voltage; (v + v/2), the balanced-out voltage; and vo, the amplified output voltage. If vy were directly amplified, the op amp would saturate. 3.3 Use the circuit shown in Figure E3.1 to design a de-coupled one-op-amp circuit that will amplify the +100 uV EOG to have the maximal gain possible without exceeding the typical guaranteed linear output range. Include a control that can balance (remove) series clectrode offset potentials up to +300 m V. Give all numerical values. Voltage, V
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