A useful unidirectional sensing device is the photo emitter sensor [15]. A light source is sensitive to
Question:
where i is the lamp current. The normal operating point is obtained when v0 = 35 V, and vin = 2.0 V.
(a) Determine the closed-loop transfer function of the system.
(b) Determine the sensitivity of the system to changes in the gain, K.
Figure P4.9
Photo sensor system.
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