Assuming that all components in Figure 6-7 are perfectly matched, find: (a) base-to-ground voltages VB1 and VB2 of each transistor +Vcc (+20V) 1ko Figure 6-7 102 1ko (Ans: 10.7V, 9.3V) (b) the power delivered to the load under maximum signal conditions (Ans: 4.132W) (c) the efficiency under maximum signal conditions, and (Ans: 71.4%) (d) the value of capacitor C, if the amplifier is to be used at signal frequencies down to 20HZ. (Ans: 723 µF)

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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.