A certain instrumentation system for a new hybrid car needs a bandpass filter to limit its output

Question:

A certain instrumentation system for a new hybrid car needs a bandpass filter to limit its output bandwidth prior to digitization. The filter must meet the following specifications:

\[
\begin{array}{ll}
T_{\mathrm{MAX}}=+20 \pm 1 \mathrm{~dB} \omega_{\mathrm{CH}}=5.5 \mathrm{krad} / \mathrm{s}(875.4 \mathrm{~Hz}) \pm 10 \% \\
& \omega_{\mathrm{CL}}=5 \mathrm{krad} / \mathrm{s}(795.8 \mathrm{~Hz}) \pm 10 \% \\
T_{\mathrm{MIN}} \leq-20 \mathrm{~dB} \quad & \omega_{\mathrm{CHMIN}}=55 \mathrm{krad} / \mathrm{s}(8.754 \mathrm{kHz}) \\
& \omega_{\mathrm{CLMIN}}=500 \mathrm{rad} / \mathrm{s}(79.6 \mathrm{~Hz})
\end{array}
\]
Two vendors have submitted proposed solutions in the form of Multisim graphics, shown in Figure P14-46 . As the requirements engineer on the project, you need to select the best one. You must check whether each circuit meets or fails every specification. You should also consider (1) parts count, (2) ease of maintainability and implementation (fewer parts, number of similar parts, adjustments of potentiometers, standard values), (3) frequency-domain response, and (4) cost. You should address each item for each design at least qualitatively. Attach whatever software output you think will support your decision.

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