1. Show that the transfer function of the zero-order hold is $G_{ho}(s) = \frac{1 - e^{-T_s s}}{s}$ and plot the frequency response of $G_{ho}(j\omega)$. 2. Draw a 2-bit Digital-to-Analog Conversion Circuit and use the virtual-short concept to solve the circuit. 3. Suppose that the clock used in a 12-bit A/D conversion is 5MHz, find the maximum conversion time, in seconds, for a successive approximation converter.
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The zero-order hold is a digital-to-analog converter (DAC) that holds the value of the input signal constant for a fixed duration of time. It is commonly used in digital control systems to convert discrete-time signals to continuous-time signals. Show more…
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