A young designer needed to design a low-pass filter with a cutoff of 1 krad/s and a gain of 5. The filter is to fit as an interface between the source and the load. The designer was perplexed when no matter how the stages shown in Figure P12–9 are connected the results are not what were expected. Explain the problem and suggest a way to achieve the desired results.

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50 www 10 w 100 + v1(t) Gain stage 10 v2(t) - Source 10 Load 0.1 F Filter stage FIGURE P12-9