2. Consider the variable gain amplifier circuit below. Varying the input VG will let the non-inverting amplifier have a variable gain. Let Võ = 4V, k = 1 mA/v2, 1V ≤ v¡ ≤ 2V and OV ≤ Vg ≤ 12V. U1 Vi o Vo 100 + www 1k VG OM M1 a. Find the range of values for VG such that M1 will always operate in the linear region. b. Using the range of values in a, what is the amplifier gain Ay = range? Vi C. Plot vo when VG = 10V and v; is a 1-2 V, 1kHz triangular wave.

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Analog to Digital Converters

The analog-to-digital converter (ADC) allows circuits controlled by microprocessors, Arduinos, Raspberry Pi, and various reasonable digital circuits to be connected to the real world. In the real world, analog signals have a continuous stream of information from a variety of sources and sensors capable of measuring sound, light, temperature, or movement, in addition to the many digital systems that interact with their environment by measuring analog signals from those transducers.