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Authors:
J. David Irwin, R. Mark Nelms
Chapter:
Operational Amplifiers
Exercise:
Problems
Question:18 | ISBN:9780470633229 | Edition: 10

Question

In a useful application, the amplifier drives a load. The circuit in Fig. P4.18 models this scenario.
(a) Sketch the gain  \frac{v_{0}}{v_{s}} for 10\Omega \leq R_{L\leq \infty }.
(b) Sketch I0 for 10\Omega \leq R_{L\leq \infty }  if vs=0.1V
(c) Repeat (b) if vs=0.1V
(d) What is the minimum value of RL if I0 must be less than 100 mA for |vs|<0.5V?
(e) What is the current Is if  RL is Repeat for RL=10Kohms.

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